aboutsummaryrefslogblamecommitdiffstats
path: root/lib/kernel/test/application_SUITE.erl
blob: f469a0af9834967a384021621fd576d07cf0ef1a (plain) (tree)
1
2
3
4
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464


                   
                                                        















                                                                         
                                                    
 


                                                                    








                                                                                
                                                  
                                                              



                                              
                                                                



                                                      
                                         
 
         



                                                            
                                                                             


                        




                                                        
 





                         
                                     
           

                                    
           
 









                                                       
                                     



                                            
                                  




































































































































































































































































































































































































































































































































































































































































































































































































































































































                                                                                 









                                                                   
                                                                  




















































                                                                              
                                              

                   
                                               






































































                                                                              
                                              








































                                                                               
                                                                





































































































































                                                                                           
                                                                                



                                                                      
                                                                           

































































































































































                                                                            
                                                                    








































































































































































                                                                                       















































































































































































































































































































                                                                                       

























                                                                               








































































































































































































































































































































































































































































































































                                                                                         
                                                                    





































































































































                                                                              
                                                      


                                             
                                                      


                                             
                                                      










                                                                   
                                                    

















                                                                                 
                                                    


















                                                                               
                                                    














                                                                    
                                                     

                          
                                                     

                          
                                                     

                          
                                                     

                          
                                                     

                          
                                                     




















                                                                       
                                                                               




































































                                                                                 
%%
%% %CopyrightBegin%
%% 
%% Copyright Ericsson AB 1996-2011. All Rights Reserved.
%% 
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%% 
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%% 
%% %CopyrightEnd%
%%
-module(application_SUITE).

-include_lib("test_server/include/test_server.hrl").

-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, 
	 init_per_group/2,end_per_group/2, 
	 failover/1, failover_comp/1, permissions/1, load/1,
	 load_use_cache/1,
	 otp_1586/1, otp_2078/1, otp_2012/1, otp_2718/1, otp_2973/1,
	 otp_3002/1, otp_3184/1, otp_4066/1, otp_4227/1, otp_5363/1,
	 otp_5606/1,
	 start_phases/1, get_key/1, 
	 permit_false_start_local/1, permit_false_start_dist/1, script_start/1, 
	 nodedown_start/1, init2973/0, loop2973/0, loop5606/1]).

-export([config_change/1,
	 distr_changed_tc1/1, distr_changed_tc2/1,
	 shutdown_func/1, do_shutdown/1, shutdown_timeout/1]).

-define(TESTCASE, testcase_name).
-define(testcase, ?config(?TESTCASE, Config)).

-export([init_per_testcase/2, end_per_testcase/2, start_type/0, 
	 start_phase/0, conf_change/0]).
% Default timetrap timeout (set in init_per_testcase).
-define(default_timeout, ?t:minutes(2)).

suite() -> [{ct_hooks,[ts_install_cth]}].

all() -> 
    [failover, failover_comp, permissions, load,
     load_use_cache, {group, reported_bugs}, start_phases,
     script_start, nodedown_start, permit_false_start_local,
     permit_false_start_dist, get_key,
     {group, distr_changed}, config_change, shutdown_func, shutdown_timeout].

groups() -> 
    [{reported_bugs, [],
      [otp_1586, otp_2078, otp_2012, otp_2718, otp_2973,
       otp_3002, otp_3184, otp_4066, otp_4227, otp_5363,
       otp_5606]},
     {distr_changed, [],
      [distr_changed_tc1, distr_changed_tc2]}].

init_per_suite(Config) ->
    Config.

end_per_suite(_Config) ->
    ok.

init_per_group(_GroupName, Config) ->
    Config.

end_per_group(_GroupName, Config) ->
    Config.



init_per_testcase(otp_2973=Case, Config) ->
    code:add_path(?config(data_dir,Config)),
    ?line Dog = test_server:timetrap(?default_timeout),
    [{?TESTCASE, Case}, {watchdog, Dog}|Config];
init_per_testcase(Case, Config) ->
    ?line Dog = test_server:timetrap(?default_timeout),
    [{?TESTCASE, Case}, {watchdog, Dog}|Config].

end_per_testcase(otp_2973, Config) ->
    code:del_path(?config(data_dir,Config)),
    Dog=?config(watchdog, Config),
    test_server:timetrap_cancel(Dog),
    ok;
end_per_testcase(_Case, Config) ->
    Dog=?config(watchdog, Config),
    test_server:timetrap_cancel(Dog),
    ok.

-define(UNTIL(Seq), loop_until_true(fun() -> Seq end)).

-record(st, {
          normal = 0,
          local = 0,
          takeover = 0,
          failover = 0
         }).

loop_until_true(Fun) ->
    case Fun() of
	true ->
	    ok;
	_ ->
	    timer:sleep(100),
	    loop_until_true(Fun)
    end.

%%-----------------------------------------------------------------
%% Should be started in a CC view with:
%% erl -sname XXX -rsh ctrsh where XX not in [cp1, cp2, cp3]
%%-----------------------------------------------------------------
failover(suite) -> [];
failover(doc) ->
    ["Tests failover and takeover for distributed applications.  Tests",
     "start, load etc implicitly."];
failover(Conf) when is_list(Conf) ->
    %% start a help process to check the start type
    StPid = spawn_link(?MODULE, start_type, []),
    ?line yes = global:register_name(st_type, StPid),

    NodeNames = [Ncp1, Ncp2, Ncp3] = node_names([cp1, cp2, cp3], Conf),
    NoSyncTime = config_fun_fast(config_fo(NodeNames)),
    WithSyncTime = config_fun(config_fo(NodeNames)),

    % Test [cp1, cp2, cp3]
    ?line {ok, Cp1} = start_node_config(Ncp1, NoSyncTime, Conf),
    ?line {ok, Cp2} = start_node_config(Ncp2, NoSyncTime, Conf),
    ?line {ok, Cp3} = start_node_config(Ncp3, WithSyncTime, Conf),
    Cps = [Cp1, Cp2, Cp3],
    ?line wait_for_ready_net(),

    % Start app1 and make sure cp1 starts it
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall(Cps, application, load, [app1()]),
    ?line ?UNTIL(is_loaded(app1, Cps)),
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall(Cps, application, start, [app1, permanent]),
    ?line ?UNTIL(is_started(app1, Cp1)),
    ?line false = is_started(app1, Cp2),
    ?line ok = get_start_type(#st{normal = 3}),

    % Stop cp1 and make sure cp2 starts app1
    stop_node_nice(Cp1),
    ?line ?UNTIL(is_started(app1, Cp2)),
    ?line ok = get_start_type(#st{normal = 3}),

    % Restart cp1 and make sure it restarts app1
    ?line {ok, Cp1_2} = start_node_config(Ncp1, NoSyncTime, Conf),
    ?line global:sync(),
    ?line ok = rpc:call(Cp1_2, application, load, [app1()]),
    ?line ok = rpc:call(Cp1_2, application, start, [app1, permanent]),
    ?line ?UNTIL(is_started(app1, Cp1)),
    ?line ?UNTIL(not is_started(app1, Cp2)),
    ?line ok = get_start_type(#st{takeover = 3}),

    % Test [{cp1, cp2}, cp3]
    % Start app_sp and make sure cp2 starts it (cp1 has more apps started)
    ?line {[ok,ok,ok],[]} =
        rpc:multicall([Cp1_2, Cp2, Cp3], application, load, [app_sp()]),
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall([Cp1_2, Cp2, Cp3], application, start,[app_sp,permanent]),
    ?line ?UNTIL(is_started(app_sp, Cp2)),
    ?line false = is_started(app_sp, Cp1),
    ?line false = is_started(app_sp, Cp3),
    ?line ok = get_start_type(#st{normal = 3}),
	
    % Stop cp2 and make sure cp1 starts app_sp
    stop_node_nice(Cp2),
    ?line ?UNTIL(is_started(app_sp, Cp1_2)),
    ?line ok = get_start_type(#st{failover = 3}),
	
    % Stop cp1 and make sure cp3 starts app_sp
    stop_node_nice(Cp1_2),
    ?line ?UNTIL(is_started(app_sp, Cp3)),
    ?line ok = get_start_type(#st{normal = 3, failover = 3}),

    % Restart cp2 and make sure it restarts app_sp
    ?line {ok, Cp2_2} = start_node_config(Ncp2, NoSyncTime, Conf),
    ?line global:sync(),
    ?line ok = rpc:call(Cp2_2, application, load, [app_sp()]),
    ?line ok = rpc:call(Cp2_2, application, start, [app_sp, permanent]),
    ?line ?UNTIL(is_started(app_sp, Cp2_2)),
    ?line ?UNTIL(not is_started(app_sp, Cp3)),
    ?line ok = get_start_type(#st{takeover = 3}),

    % Restart cp1 and make sure it doesn't restart app_sp
    ?line {ok, Cp1_3} = start_node_config(Ncp1, NoSyncTime, Conf),
    ?line global:sync(),
    ?line ok = rpc:call(Cp1_3, application, load, [app_sp()]),
    ?line ok = rpc:call(Cp1_3, application, start, [app_sp, permanent]),
    test_server:sleep(500),
    ?line false = is_started(app_sp, Cp1_3),
    ?line true = is_started(app_sp, Cp2_2),

    % Force takeover to cp1
    ?line ok = rpc:call(Cp1_3, application, takeover, [app_sp, permanent]),
    ?line ?UNTIL(is_started(app_sp, Cp1_3)),
    ?line ?UNTIL(not is_started(app_sp, Cp2_2)),
    ?line ok = get_start_type(#st{takeover = 3}),

    %% Kill one child process and see that it is started with type local
    PP = global:whereis_name({ch,3}),
    exit(PP, kill),
    ?line ok = get_start_type(#st{local = 1}),

    global:send(st_type, kill),

    stop_node_nice(Cp1_3),
    stop_node_nice(Cp2_2),
    stop_node_nice(Cp3),
    ok.
    
%%-----------------------------------------------------------------
%% Should be started in a CC view with:
%% erl -sname XXX -rsh ctrsh where XX not in [cp1, cp2, cp3]
%%-----------------------------------------------------------------
failover_comp(suite) -> [];
failover_comp(doc) ->
    ["Tests failover and takeover for distributed applications.  Tests",
     "start, load etc implicitly. The applications do not use start_phases,"
     "i.e the failover should be trasfered to normal start type."];
failover_comp(Conf) when is_list(Conf) ->
    %% start a help process to check the start type
    StPid = spawn_link(?MODULE, start_type, []),
    ?line yes = global:register_name(st_type, StPid),

    NodeNames = [Ncp1, Ncp2, Ncp3] = node_names([cp1, cp2, cp3], Conf),
    NoSyncTime = config_fun_fast(config(NodeNames)),
    WithSyncTime = config_fun(config(NodeNames)),

    % Test [cp1, cp2, cp3]
    ?line {ok, Cp1} = start_node_config(Ncp1, NoSyncTime, Conf),
    ?line {ok, Cp2} = start_node_config(Ncp2, NoSyncTime, Conf),
    ?line {ok, Cp3} = start_node_config(Ncp3, WithSyncTime, Conf),
    Cps = [Cp1, Cp2, Cp3],
    ?line wait_for_ready_net(),

    % Start app1 and make sure cp1 starts it
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall(Cps, application, load, [app1()]),
    ?line ?UNTIL(is_loaded(app1, Cps)),
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall(Cps, application, start, [app1, permanent]),
    ?line ?UNTIL(is_started(app1, Cp1)),
    ?line false = is_started(app1, Cp2),
    ?line ok = get_start_type(#st{normal = 3}),

    % Stop cp1 and make sure cp2 starts app1
    stop_node_nice(Cp1),
    ?line ?UNTIL(is_started(app1, Cp2)),
    ?line ok = get_start_type(#st{normal = 3}),

    % Restart cp1 and make sure it restarts app1
    ?line {ok, Cp1_2} = start_node_config(Ncp1, NoSyncTime, Conf),
    ?line global:sync(),
    ?line ok = rpc:call(Cp1_2, application, load, [app1()]),
    ?line ?UNTIL(is_loaded(app1, Cp1_2)),
    ?line ok = rpc:call(Cp1_2, application, start, [app1, permanent]),
    ?line ?UNTIL(is_started(app1, Cp1_2)),
    ?line ?UNTIL(not is_started(app1, Cp2)),
    ?line ok = get_start_type(#st{takeover = 3}),

    % Test [{cp1, cp2}, cp3]
    % Start app3 and make sure cp2 starts it (cp1 has more apps started)
    ?line {[ok,ok,ok],[]} =
        rpc:multicall([Cp1_2, Cp2, Cp3], application, load, [app3()]),
    ?line ?UNTIL(is_loaded(app3, [Cp1_2, Cp2, Cp3])),
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall([Cp1_2, Cp2, Cp3], application, start,[app3,permanent]),
    ?line ?UNTIL(is_started(app3, Cp2)),
    ?line false = is_started(app3, Cp1),
    ?line false = is_started(app3, Cp3),
    ?line ok = get_start_type(#st{normal = 3}),
	
    % Stop cp2 and make sure cp1 starts app3
    stop_node_nice(Cp2),
    ?line ?UNTIL(is_started(app3, Cp1_2)),
    ?line ok = get_start_type(#st{normal = 3}),
	
    % Stop cp1 and make sure cp3 starts app3
    stop_node_nice(Cp1_2),
    ?line ?UNTIL(is_started(app3, Cp3)),
    ?line ok = get_start_type(#st{normal = 6}),

    % Restart cp2 and make sure it restarts app3
    ?line {ok, Cp2_2} = start_node_config(Ncp2, NoSyncTime, Conf),
    ?line global:sync(),
    ?line ok = rpc:call(Cp2_2, application, load, [app3()]),
    ?line ?UNTIL(is_loaded(app3, Cp2_2)),
    ?line ok = rpc:call(Cp2_2, application, start, [app3, permanent]),
    ?line ?UNTIL(is_started(app3, Cp2_2)),
    ?line ?UNTIL(not is_started(app3, Cp3)),
    ?line ok = get_start_type(#st{takeover = 3}),

    % Restart cp1 and make sure it doesn't restart app3
    ?line {ok, Cp1_3} = start_node_config(Ncp1, NoSyncTime, Conf),
    ?line global:sync(),
    ?line ok = rpc:call(Cp1_3, application, load, [app3()]),
    ?line true = is_loaded(app3, Cp1_3),
    ?line ok = rpc:call(Cp1_3, application, start, [app3, permanent]),
    test_server:sleep(5000),
    ?line false = is_started(app3, Cp1_3),
    ?line true = is_started(app3, Cp2_2),

    % Force takeover to cp1
    ?line ok = rpc:call(Cp1_3, application, takeover, [app3, permanent]),
    ?line ?UNTIL(is_started(app3, Cp1_3)),
    ?line ?UNTIL(not is_started(app3, Cp2_2)),
    ?line ok = get_start_type(#st{takeover = 3}),

    %% Kill one child process and see that it is started with type local
    PP = global:whereis_name({ch,3}),
    exit(PP, kill),
    ?line ok = get_start_type(#st{local = 1}),

    global:send(st_type, kill),

    stop_node_nice(Cp1_3),
    stop_node_nice(Cp2_2),
    stop_node_nice(Cp3),
    ok.

%%-----------------------------------------------------------------
%% Should be started in a CC view with:
%% erl -sname XXX -rsh ctrsh where XX not in [cp1, cp2, cp3]
%%-----------------------------------------------------------------
permissions(suite) -> [];
permissions(doc) ->
    ["Tests permissions for distributed applications."];
permissions(Conf) when is_list(Conf) ->

    NodeNames = [Ncp1, Ncp2, Ncp3] = node_names([cp1, cp2, cp3], Conf),
    NoSyncTime = config_fun_fast(config2(NodeNames)),
    WithSyncTime = config_fun(config2(NodeNames)),

    % Test [cp1, cp2, cp3]
    ?line {ok, Cp1} = start_node_config(Ncp1, NoSyncTime, Conf),
    ?line {ok, Cp2} = start_node_config(Ncp2, NoSyncTime, Conf),
    ?line {ok, Cp3} = start_node_config(Ncp3, WithSyncTime, Conf),
    Cps = [Cp1, Cp2, Cp3],
    ?line wait_for_ready_net(),

    % Start app1 and make sure cp1 starts it
    ?line {[ok,ok,ok],[]} =
        rpc:multicall(Cps, application, load, [app1()]),
    ?line ?UNTIL(is_loaded(app1, Cps)),
    ?line {[ok,ok,ok],[]} =
        rpc:multicall(Cps, application, start, [app1, permanent]),
    ?line ?UNTIL(is_started(app1, Cp1)),
    ?line false = is_started(app1, Cp2),

    % Unpermit app1 on cp1, make sure cp2 starts it
    ?line ok = rpc:call(Cp1, application, permit, [app1, false]),
    ?line false = is_started(app1, Cp1),
    ?line true = is_started(app1, Cp2),

    % Unpermit app1 on cp2, make sure cp3 starts it
    ?line ok = rpc:call(Cp2, application, permit, [app1, false]),
    ?line false = is_started(app1, Cp1),
    ?line false = is_started(app1, Cp2),
    ?line true = is_started(app1, Cp3),

    % Permit cp2 again
    ?line ok = rpc:call(Cp2, application, permit, [app1, true]),
    ?line false = is_started(app1, Cp1),
    ?line false = is_started(app1, Cp3),
    ?line true = is_started(app1, Cp2),

    % Start app3, make sure noone starts it
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall(Cps, application, load, [app3()]),
    ?line ?UNTIL(is_loaded(app3, Cps)),
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall(Cps, application, start, [app3, permanent]),
    test_server:sleep(1000),
    ?line false = is_started(app3, Cp1),
    ?line false = is_started(app3, Cp2),
    ?line false = is_started(app3, Cp3),

    % Permit app3 on Cp3
    ?line ok = rpc:call(Cp3, application, permit, [app3, true]),
    ?line true = is_started(app3, Cp3),

    % Permit app3 on Cp2, make sure it starts it
    ?line ok = rpc:call(Cp2, application, permit, [app3, true]),
    ?line true = is_started(app3, Cp2),
    ?line false = is_started(app3, Cp3),

    % Permit app3 on Cp1, make sure it doesn't start it
    ?line ok = rpc:call(Cp1, application, permit, [app3, true]),
    ?line false = is_started(app3, Cp1),
    ?line true = is_started(app3, Cp2),
    ?line false = is_started(app3, Cp3),

    % Stop Cp2, make sure Cp1 starts app3
    stop_node_nice(Cp2),
    ?line ?UNTIL(is_started(app3, Cp1)),

    stop_node_nice(Cp1),
    stop_node_nice(Cp3),
    ok.

%%-----------------------------------------------------------------
%% Should be started in a CC view with:
%% erl -sname XXX -rsh ctrsh where XX not in [cp1, cp2, cp3]
%%-----------------------------------------------------------------
load(suite) -> [];
load(doc) ->
    ["Tests loading of distributed applications."];
load(Conf) when is_list(Conf) ->
    NodeNames = [Ncp1, Ncp2, Ncp3] = node_names([cp1, cp2, cp3], Conf),
    NoSyncTime = config_fun_fast(config3(NodeNames)),
    WithSyncTime = config_fun(config3(NodeNames)),

    % Test [cp1, cp2, cp3]
    ?line {ok, Cp1} = start_node_config(Ncp1, NoSyncTime, Conf),
    ?line {ok, Cp2} = start_node_config(Ncp2, NoSyncTime, Conf),
    ?line {ok, Cp3} = start_node_config(Ncp3, WithSyncTime, Conf),
    Cps = [Cp1, Cp2, Cp3],
    ?line wait_for_ready_net(),

    ?line {[ok,ok,ok],[]} = 
        rpc:multicall(Cps, application, load, [app1(), d1(NodeNames)]),
    ?line ?UNTIL(is_loaded(app1, Cps)),
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall(Cps, application, start, [app1, permanent]),
    ?line ?UNTIL(is_started(app1, Cp1)),
    ?line false = is_started(app1, Cp2),
    ?line false = is_started(app1, Cp3),

    % Load app1 with different specs and make sure we get an error
    ?line {[{error,_},{error,_}],[]} = 
        rpc:multicall([Cp1, Cp2], application, load, [app1(), d1(NodeNames)]),
    ?line {error, _} = rpc:call(Cp3, application, load, [app1(), d2(NodeNames)]),

    stop_node_nice(Cp1),
    stop_node_nice(Cp2),
    stop_node_nice(Cp3),
    ok.
    
%%-----------------------------------------------------------------
%% Same test as load/1, only with code path cache enabled.
%%-----------------------------------------------------------------
load_use_cache(suite) -> [];
load_use_cache(doc) ->
    ["Tests loading of distributed applications. Code path cache enabled."];
load_use_cache(Conf) when is_list(Conf) ->
    NodeNames = [Ncp1, Ncp2, Ncp3] = node_names([cp1, cp2, cp3], Conf),
    NoSyncTime = config_fun_fast(config3(NodeNames)),
    WithSyncTime = config_fun(config3(NodeNames)),

    % Test [cp1, cp2, cp3]
    ?line {ok, Cp1} = start_node_with_cache(Ncp1, NoSyncTime, Conf),
    ?line {ok, Cp2} = start_node_with_cache(Ncp2, NoSyncTime, Conf),
    ?line {ok, Cp3} = start_node_with_cache(Ncp3, WithSyncTime, Conf),
    Cps = [Cp1, Cp2, Cp3],
    ?line wait_for_ready_net(),

    ?line {[ok,ok,ok],[]} = 
        rpc:multicall(Cps, application, load, [app1(), d1(NodeNames)]),
    ?line ?UNTIL(is_loaded(app1, Cps)),
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall(Cps, application, start, [app1, permanent]),
    ?line ?UNTIL(is_started(app1, Cp1)),
    ?line false = is_started(app1, Cp2),

    % Load app1 with different specs and make sure we get an error
    ?line {[{error,_},{error,_}],[]} = 
        rpc:multicall([Cp1, Cp2], application, load, [app1(), d1(NodeNames)]),
    ?line {error, _} = rpc:call(Cp3, application, load, [app1(), d2(NodeNames)]),

    stop_node_nice(Cp1),
    stop_node_nice(Cp2),
    stop_node_nice(Cp3),
    ok.

%%-----------------------------------------------------------------
%% Should be started in a CC view with:
%% erl -sname XXX -rsh ctrsh where XX not in [cp1, cp2, cp3]
%%-----------------------------------------------------------------
start_phases(suite) -> [];
start_phases(doc) ->
    ["Tests new start phases and failover."];
start_phases(Conf) when is_list(Conf) ->
    %% start a help process to check the start type
    SpPid = spawn_link(?MODULE, start_phase, []),
    ?line yes = global:register_name(start_phase, SpPid),

    NodeNames = [Ncp1, _Ncp2, _Ncp3] = node_names([cp1, cp2, cp3], Conf),
    WithSyncTime = config_fun(config_sf(NodeNames)),

    ?line {ok, Cp1} = start_node_config_sf(Ncp1, WithSyncTime, Conf),
    ?line wait_for_ready_net(),

    %%=============================
    %%Example 1 in the user's guide
    %%=============================
    ?line ok = rpc:call(Cp1, application, load, [myApp, 
                                                 d_any3(myApp, NodeNames)]),
    ?line ?UNTIL(is_loaded(myApp, Cp1)),
    ?line ok = rpc:call(Cp1, application, start, [myApp, permanent]),
    ?line ?UNTIL(is_started(myApp, Cp1)),
    ?line ok = get_start_phase({sp, 0, 1, 0, 0, 1}),
    ?line ok = rpc:call(Cp1, application, stop, [myApp]),

    %%=============================
    %%Example 2 in the user's guide
    %%=============================
    ?line ok = rpc:call(Cp1, application, load, [topApp, 
                                                 d_any3(topApp, NodeNames)]),
    ?line ?UNTIL(is_loaded(topApp, Cp1)),
    ?line ok = rpc:call(Cp1, application, start, [topApp, permanent]),
    ?line ?UNTIL(is_started(topApp, Cp1)),
    ?line ok = get_start_phase({sp, 0, 1, 0, 0, 1}),
    ?line ok = rpc:call(Cp1, application, stop, [topApp]),
	
    %%=============================
    %%Example 3 in the user's guide
    %%=============================
    ?line ok = rpc:call(Cp1, application, load, [topApp2, 
                                                 d_any3(topApp2, NodeNames)]),
    ?line ?UNTIL(is_loaded(topApp2, Cp1)),
    ?line ok = rpc:call(Cp1, application, start, [topApp2, permanent]),
    ?line ?UNTIL(is_started(topApp2, Cp1)),
    ?line ok = get_start_phase({sp, 0, 2, 0, 0, 3}),
    ?line ok = rpc:call(Cp1, application, stop, [topApp2]),

    %%=============================
    %%Example 4 in the user's guide
    %%=============================
    ?line ok = rpc:call(Cp1, application, load, [topApp3, 
                                                 d_any3(topApp3, NodeNames)]),
    ?line ?UNTIL(is_loaded(topApp3, Cp1)),
    ?line ok = rpc:call(Cp1, application, start, [topApp3, permanent]),
    ?line ?UNTIL(is_started(topApp3, Cp1)),
    ?line ok = get_start_phase({sp, 1, 3, 3, 2, 4}),
    ?line ok = rpc:call(Cp1, application, stop, [topApp3]),
	
    global:send(start_phase, kill),

    stop_node_nice(Cp1),
    ok.


script_start(doc) ->
    ["Start distributed applications from within a boot script.  Test ",
     "same as failover."];
script_start(suite) -> [];
script_start(Conf) when is_list(Conf) ->
    %% start a help process to check the start type
    StPid = spawn_link(?MODULE, start_type, []),
    ?line yes = global:register_name(st_type, StPid),


    % Create the .app files and the boot script
    ?line ok = create_app(),
    ?line {{KernelVer,StdlibVer}, _} = create_script("latest"),
    ?line case is_real_system(KernelVer, StdlibVer) of
	      true ->
		  Options = [];
	      false  ->
		  Options = [local]
	  end,
    ?line ok = systools:make_script("latest", Options),

    NodeNames = [Ncp1, Ncp2, Ncp3] = node_names([cp1, cp2, cp3], Conf),
    NoSyncTime = config_fun_fast(config_fo(NodeNames)),
    WithSyncTime = config_fun(config_fo(NodeNames)),

    % Test [cp1, cp2, cp3]
    ?line {ok, Cp1} = start_node_boot_config(Ncp1, NoSyncTime, Conf, latest),
    ?line {ok, Cp2} = start_node_boot_config(Ncp2, NoSyncTime, Conf, latest),
    ?line {ok, Cp3} = start_node_boot_config(Ncp3, WithSyncTime, Conf, latest),
    ?line wait_for_ready_net(),

    ?line ?UNTIL(is_started(app1, Cp1)),
    ?line ?UNTIL(is_started(app2, Cp1)),
    ?line ?UNTIL(is_started(app_sp, Cp1)),
    ?line false = is_started(app1, Cp2),
    ?line ok = get_start_type(#st{normal = 9}),

    % Stop cp1 and make sure cp2 starts app1, app2 normally (no
    % start_phases defined) and app_sp as failover (start_phases
    % defined)
    stop_node_nice(Cp1),
    ?line ?UNTIL(is_started(app1, Cp2)),
    ?line ?UNTIL(is_started(app2, Cp2)),
    ?line ?UNTIL(is_started(app_sp, Cp2)),
    ?line ok = get_start_type(#st{normal = 6, failover = 3}),
	
    % Restart cp1, Cp1 takesover app1 and app2
    ?line {ok, Cp1_2} = start_node_boot_config(Ncp1, NoSyncTime, Conf, latest),
    ?line global:sync(),
    ?line ?UNTIL(is_started(app1, Cp1_2)),
    ?line false = is_started(app1, Cp2),
    ?line ?UNTIL(is_started(app2, Cp1_2)),
    ?line true = is_started(app_sp, Cp2),
    ?line ?UNTIL(not is_started(app1, Cp2)),
    ?line ?UNTIL(not is_started(app2, Cp2)),
    ?line ok = get_start_type(#st{takeover = 6}),
	
    % Stop cp2 and make sure cp1 starts app_sp.
    ?line false = is_started(app_sp, Cp1_2),
    stop_node_nice(Cp2),
    ?line ?UNTIL(is_started(app_sp, Cp1_2)),
    ?line ok = get_start_type(#st{failover = 3}),
	
    % Stop cp1 and make sure cp3 starts app1, app2 and app_sp
    stop_node_nice(Cp1_2),
    ?line ?UNTIL(is_started(app_sp, Cp3)),
    ?line ?UNTIL(is_started(app1, Cp3)),
    ?line ?UNTIL(is_started(app2, Cp3)),
    ?line ok = get_start_type(#st{normal = 6, failover = 3}),
	
    % Restart cp2 and make sure it takesover app1, app2 and app_sp
    ?line {ok, Cp2_2} = start_node_boot_config(Ncp2, NoSyncTime, Conf, latest),
    ?line global:sync(),
    ?line ?UNTIL(is_started(app_sp, Cp2_2)),
    ?line ?UNTIL(is_started(app1, Cp2_2)),
    ?line ?UNTIL(is_started(app2, Cp2_2)),
    ?line ?UNTIL(not is_started(app_sp, Cp3)),
    ?line ?UNTIL(not is_started(app1, Cp3)),
    ?line ?UNTIL(not is_started(app2, Cp3)),
    ?line ok = get_start_type(#st{takeover = 9}),

    % Restart cp1 and make sure it takesover app1, app2
    ?line {ok, Cp1_3} = start_node_boot_config(Ncp1, NoSyncTime, Conf, latest),
    ?line global:sync(),
    ?line ?UNTIL(is_started(app1, Cp1_3)),
    ?line ?UNTIL(is_started(app2, Cp1_3)),
    ?line false = is_started(app_sp, Cp1_3),
    ?line true = is_started(app_sp, Cp2_2),
    ?line ?UNTIL(not is_started(app1, Cp2_2)),
    ?line ?UNTIL(not is_started(app2, Cp2_2)),
    ?line ok = get_start_type(#st{takeover = 6}),

    % Force takeover to cp1
    ?line ok = rpc:call(Cp1_3, application, takeover, [app_sp, permanent]),
    ?line ?UNTIL(is_started(app_sp, Cp1_3)),
    ?line ?UNTIL(not is_started(app_sp, Cp2_2)),
    ?line ok = get_start_type(#st{takeover = 3}),

    %% Kill one child process and see that it is started with type local
    PP = global:whereis_name({ch,3}),
    exit(PP, kill),
    ?line ok = get_start_type(#st{local = 1}),
	
    global:send(st_type, kill),

    stop_node_nice(Cp1_3),
    stop_node_nice(Cp2_2),
    stop_node_nice(Cp3),
    
    ?line ok = file:delete("latest.boot"),
    ?line ok = file:delete("latest.rel"),
    ?line ok = file:delete("latest.script"),

    ok.

permit_false_start_local(doc) ->
    ["Start local applications with permission false.  Set",
     "permit true on different nodes."];
permit_false_start_local(suite) -> [];
permit_false_start_local(Conf) when is_list(Conf) ->
    %% This configuration does not start dist_ac.
    Config = write_config_file(fun config_perm/1, Conf),

    % Test [cp1, cp2, cp3]
    [Ncp1, Ncp2, Ncp3] = node_names([cp1, cp2, cp3], Conf),
    ?line {ok, Cp1} = start_node(Ncp1, Config),
    ?line {ok, Cp2} = start_node(Ncp2, Config),
    ?line {ok, Cp3} = start_node(Ncp3, Config),
    ?line wait_for_ready_net(),

    ?line {[ok,ok,ok],[]} = 
        rpc:multicall([Cp1, Cp2, Cp3], application, load, [app1()]),
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall([Cp1, Cp2, Cp3], application, start, [app1, permanent]),
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall([Cp1, Cp2, Cp3], application, load, [app2()]),
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall([Cp1, Cp2, Cp3], application, start, [app2, permanent]),
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall([Cp1, Cp2, Cp3], application, load, [app3()]),

    test_server:sleep(1000),
    ?line false = is_started(app1, Cp1),
    ?line false = is_started(app1, Cp2),
    ?line false = is_started(app1, Cp3),

    %Permit a not started application
    ?line ok = rpc:call(Cp1, application, permit, [app3, true]),
    test_server:sleep(1000),
    ?line false = is_started(app3, Cp1),
    ?line false = is_started(app3, Cp2),
    ?line false = is_started(app3, Cp3),

    %Permit a not loaded application
    ?line {error,{not_loaded,app_notloaded}} = 
	rpc:call(Cp1, application, permit, [app_notloaded, true]),
    test_server:sleep(1000),
    ?line false = is_started(app_notloaded, Cp1),
    ?line false = is_started(app_notloaded, Cp2),
    ?line false = is_started(app_notloaded, Cp3),

    %Unpermit a not started application
    ?line ok = rpc:call(Cp1, application, permit, [app3, false]),
    test_server:sleep(1000),
    ?line false = is_started(app3, Cp1),
    ?line false = is_started(app3, Cp2),
    ?line false = is_started(app3, Cp3),

    %Unpermit a not loaded application
    ?line {error,{not_loaded,app_notloaded}} = 
	rpc:call(Cp1, application, permit, [app_notloaded, false]),
    test_server:sleep(1000),
    ?line false = is_started(app_notloaded, Cp1),
    ?line false = is_started(app_notloaded, Cp2),
    ?line false = is_started(app_notloaded, Cp3),

    % Permit app1 on CP1 and make sure it is started
    ?line ok = rpc:call(Cp1, application, permit, [app1, true]),
    ?line ?UNTIL(is_started(app1, Cp1)),
    ?line false = is_started(app1, Cp2),
    ?line false = is_started(app1, Cp3),

    % Permit it again
    ?line ok = rpc:call(Cp1, application, permit, [app1, true]),
    test_server:sleep(1000),
    ?line true = is_started(app1, Cp1),
    ?line false = is_started(app1, Cp2),
    ?line false = is_started(app1, Cp3),

    % Permit app2 on CP1 and make sure it is started
    ?line ok = rpc:call(Cp1, application, permit, [app2, true]),
    ?line ?UNTIL(is_started(app2, Cp1)),
    ?line false = is_started(app2, Cp2),
    ?line false = is_started(app2, Cp3),

    % Permit app1 on CP2 and make sure it is started
    ?line ok = rpc:call(Cp2, application, permit, [app1, true]),
    ?line ?UNTIL(is_started(app1, Cp2)),
    ?line true = is_started(app1, Cp1),
    ?line false = is_started(app1, Cp3),

    % Unpermit app1 on CP1 and make sure it is stopped
    ?line ok = rpc:call(Cp1, application, permit, [app1, false]),
    ?line ?UNTIL(false =:= is_started(app1, Cp1)),
    ?line true = is_started(app1, Cp2),
    ?line false = is_started(app1, Cp3),

    % Unpermit it agin
    ?line ok = rpc:call(Cp1, application, permit, [app1, false]),
    test_server:sleep(1000),
    ?line false = is_started(app1, Cp1),
    ?line true = is_started(app1, Cp2),
    ?line false = is_started(app1, Cp3),

    % Permit app1 on CP1 and make sure it is started
    ?line ok = rpc:call(Cp1, application, permit, [app1, true]),
    ?line ?UNTIL(is_started(app1, Cp1)),
    ?line true = is_started(app1, Cp2),
    ?line false = is_started(app1, Cp3),

    % Unpermit app1 on CP1 and make sure it is stopped
    ?line ok = rpc:call(Cp1, application, permit, [app1, false]),
    ?line ?UNTIL(false =:= is_started(app1, Cp1)),
    ?line true = is_started(app1, Cp2),
    ?line false = is_started(app1, Cp3),

    % Unpermit app1 on CP2 and make sure it is stopped
    ?line ok = rpc:call(Cp2, application, permit, [app1, false]),
    test_server:sleep(1000),
    ?line ?UNTIL(false =:= is_started(app1, Cp2)),
    ?line false = is_started(app1, Cp1),
    ?line false = is_started(app1, Cp3),

    % Unpermit app2 on CP1 and make sure it is stopped
    ?line ok = rpc:call(Cp1, application, permit, [app2, false]),
    ?line ?UNTIL(false =:= is_started(app2, Cp2)),
    ?line false = is_started(app2, Cp1),
    ?line false = is_started(app2, Cp3),

    stop_node_nice(Cp1),
    stop_node_nice(Cp2),
    stop_node_nice(Cp3),
    ok.
    

permit_false_start_dist(doc) ->
    ["Start distributed applications with permission false.  Set",
     "permit true on different nodes."];
permit_false_start_dist(suite) -> [];
permit_false_start_dist(Conf) when is_list(Conf) ->
    NodeNames = [Ncp1, Ncp2, Ncp3] = node_names([cp1, cp2, cp3], Conf),
    NoSyncTime = config_fun_fast(config_perm2(NodeNames)),
    WithSyncTime = config_fun(config_perm2(NodeNames)),

    % Test [cp1, cp2, cp3]
    ?line {ok, Cp1} = start_node_config(Ncp1, NoSyncTime, Conf),
    ?line {ok, Cp2} = start_node_config(Ncp2, NoSyncTime, Conf),
    ?line {ok, Cp3} = start_node_config(Ncp3, WithSyncTime, Conf),
    Cps = [Cp1, Cp2, Cp3],
    ?line wait_for_ready_net(),

    ?line {[ok,ok,ok],[]} = 
        rpc:multicall(Cps, application, load, [app1()]),
    ?line ?UNTIL(is_loaded(app1, Cps)),
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall(Cps, application, start, [app1, permanent]),
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall(Cps, application, load, [app2()]),

    test_server:sleep(1000),
    ?line false = is_started(app1, Cp1),
    ?line false = is_started(app1, Cp2),
    ?line false = is_started(app1, Cp3),

    %Permit a not started application
    ?line ok = rpc:call(Cp1, application, permit, [app2, true]),
    test_server:sleep(1000),
    ?line false = is_started(app2, Cp1),
    ?line false = is_started(app2, Cp2),
    ?line false = is_started(app2, Cp3),

    %Permit a not loaded application
    ?line {error,{not_loaded,app3}} = 
	rpc:call(Cp1, application, permit, [app3, true]),
    test_server:sleep(1000),
    ?line false = is_started(app3, Cp1),
    ?line false = is_started(app3, Cp2),
    ?line false = is_started(app3, Cp3),

    %Unpermit a not started application
    ?line ok = rpc:call(Cp1, application, permit, [app2, false]),
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall([Cp1, Cp2, Cp3], application, start, [app2, permanent]),
    test_server:sleep(1000),
    ?line false = is_started(app2, Cp1),
    ?line false = is_started(app2, Cp2),
    ?line false = is_started(app2, Cp3),

    %Unpermit a not loaded application
    ?line {error,{not_loaded,app3}} = 
	rpc:call(Cp1, application, permit, [app3, false]),
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall(Cps, application, load, [app3()]),
    ?line ?UNTIL(is_loaded(app3, Cps)),
    ?line {[ok,ok,ok],[]} = 
        rpc:multicall(Cps, application, start, [app3, permanent]),
    test_server:sleep(1000),
    ?line false = is_started(app3, Cp1),
    ?line false = is_started(app3, Cp2),
    ?line false = is_started(app3, Cp3),

    % Permit app1 on CP1 and make sure it is started
    ?line ok = rpc:call(Cp1, application, permit, [app1, true]),
    ?line ?UNTIL(is_started(app1, Cp1)),
    ?line false = is_started(app1, Cp2),
    ?line false = is_started(app1, Cp3),

    % Permit it again
    ?line ok = rpc:call(Cp1, application, permit, [app1, true]),
    ?line ?UNTIL(is_started(app1, Cp1)),
    ?line false = is_started(app1, Cp2),
    ?line false = is_started(app1, Cp3),

    % Permit app2 on CP1 and make sure it is started
    ?line ok = rpc:call(Cp1, application, permit, [app2, true]),
    ?line ?UNTIL(is_started(app2, Cp1)),
    ?line false = is_started(app2, Cp2),
    ?line false = is_started(app2, Cp3),

    % Permit app1 on CP2 and make sure it is not started
    ?line ok = rpc:call(Cp2, application, permit, [app1, true]),
    test_server:sleep(1000),
    ?line true = is_started(app1, Cp1),
    ?line false = is_started(app1, Cp2),
    ?line false = is_started(app1, Cp3),

    % Crash CP1 and make sure app1, but not app2, is started on CP2
    stop_node_nice(Cp1),
    ?line ?UNTIL(is_started(app1, Cp2)),
    ?line false = is_started(app2, Cp2),

    % Restart CP1 again, check nothing is running on it
    ?line {ok, Cp1_2} = start_node_config(Ncp1, NoSyncTime, Conf),
    ?line global:sync(),
    ?line ok = rpc:call(Cp1_2, application, load, [app1()]),
    ?line ?UNTIL(is_loaded(app1, Cp1_2)),
    ?line ok = rpc:call(Cp1_2, application, start, [app1, permanent]),
    ?line ok = rpc:call(Cp1_2, application, load, [app2()]),
    ?line ?UNTIL(is_loaded(app2, Cp1_2)),
    ?line ok = rpc:call(Cp1_2, application, start, [app2, permanent]),
    ?line ok = rpc:call(Cp1_2, application, load, [app3()]),
    ?line ?UNTIL(is_loaded(app3, Cp1_2)),
    ?line ok = rpc:call(Cp1_2, application, start, [app3, permanent]),
    ?line false = is_started(app1, Cp1_2),
    ?line false = is_started(app2, Cp1_2),

    % Permit app3 on CP3 and make sure it is started
    ?line ok = rpc:call(Cp3, application, permit, [app3, true]),
    ?line ?UNTIL(is_started(app3, Cp3)),
    ?line false = is_started(app3, Cp1_2),
    ?line false = is_started(app3, Cp2),

    % Permit app3 on CP1 and make sure it is moved there from CP3
    ?line ok = rpc:call(Cp1_2, application, permit, [app3, true]),
    ?line ?UNTIL(is_started(app3, Cp1_2)),
    ?line false = is_started(app3, Cp2),
    ?line false = is_started(app3, Cp3),

    % Unpermit app3 on CP3 and CP1 and make sure it is stopped
    ?line ok = rpc:call(Cp3, application, permit, [app3, false]),
    ?line ok = rpc:call(Cp1_2, application, permit, [app3, false]),
    ?line ?UNTIL(false =:= is_started(app3, Cp1_2)),
    ?line false = is_started(app3, Cp2),
    ?line false = is_started(app3, Cp3),

    stop_node_nice(Cp1_2),
    stop_node_nice(Cp2),
    stop_node_nice(Cp3),
    ok.

nodedown_start(doc) ->
    ["app1 distributed as [cp1, cp2].  Call application:start(app1) on",
     "cp2, but not on cp1.  Kill cp1.  Make sure app1 is started on cp2."];
nodedown_start(suite) -> [];
nodedown_start(Conf) when is_list(Conf) ->
    NodeNames = [Ncp1, Ncp2] = node_names([cp1, cp2], Conf),
    NoSyncTime = config_fun_fast(config4(NodeNames)),
    WithSyncTime = config_fun(config4(NodeNames)),

    % Test [cp1, cp2]
    ?line {ok, Cp1} = start_node_config(Ncp1, NoSyncTime, Conf),
    ?line {ok, Cp2} = start_node_config(Ncp2, WithSyncTime, Conf),
    ?line wait_for_ready_net(),

    % Start app1 and make sure cp1 starts it
    ?line {[ok,ok],[]} = 
        rpc:multicall([Cp1, Cp2], application, load, [app1()]),
    ?line _ = rpc:cast(Cp2, application, start, [app1, permanent]),
    test_server:sleep(1000),

    % Crash CP1 and make sure app1 is started on CP2
    stop_node_nice(Cp1),
    ?line ?UNTIL(is_started(app1, Cp2)),
    
    stop_node_nice(Cp2),
    ok.

%%%-----------------------------------------------------------------
%%% Testing of reported bugs and other tickets.
%%%-----------------------------------------------------------------

%%-----------------------------------------------------------------
%% Ticket: OTP-1586
%% Slogan: recursive load of applications fails
%%-----------------------------------------------------------------
otp_1586(suite) -> [];
otp_1586(doc) ->
    ["Test recursive load of applications."];
otp_1586(Conf) when is_list(Conf) ->
    Dir = ?config(priv_dir,Conf),
    {ok, Fd} = file:open(filename:join(Dir, "app5.app"), [write]),
    w_app5(Fd),
    file:close(Fd),
    ?line code:add_patha(Dir),
    ?line ok = application:load(app4()),
    ?line ok = application:unload(app4),
    ok.

%%-----------------------------------------------------------------
%% Ticket: OTP-2078
%% Slogan: start of distrib apps fails when the nodes start
%%         simultaneously
%%-----------------------------------------------------------------
otp_2078(suite) -> [];
otp_2078(doc) ->
    ["Test start of distrib apps fails when the nodes start simultaneously."];
otp_2078(Conf) when is_list(Conf) ->
    NodeNames = [Ncp1, Ncp2] = node_names([cp1, cp2], Conf),
    NoSyncTime = config_fun_fast(config4(NodeNames)),
    WithSyncTime = config_fun(config4(NodeNames)),

    % Test [cp1, cp2]
    ?line {ok, Cp1} = start_node_config(Ncp1, NoSyncTime, Conf),
    ?line {ok, Cp2} = start_node_config(Ncp2, WithSyncTime, Conf),
    Cps = [Cp1, Cp2],
    ?line wait_for_ready_net(),

    % Start app1 and make sure cp1 starts it
    ?line {[ok,ok],[]} = 
        rpc:multicall(Cps, application, load, [app1()]),
    ?line ?UNTIL(is_loaded(app1, Cps)),
    ?line ok = rpc:call(Cp1, application, start, [app1, permanent]),
    ?line ?UNTIL(is_started(app1, Cp1)),
    ?line false = is_started(app1, Cp2),

    % Start app1 on cp2; make sure it works (the bug was that this start
    % returned error)
    ?line ok = rpc:call(Cp2, application, start, [app1, permanent]),
    ?line true = is_started(app1, Cp1),
    ?line false = is_started(app1, Cp2),
    
    stop_node_nice(Cp1),
    stop_node_nice(Cp2),
    ok.

otp_2012(suite) -> [];
otp_2012(doc) ->
    ["Test change of configuration parameters without changing code."];
otp_2012(Conf) when is_list(Conf) ->
    %% start a help process to check the config change
    CcPid = spawn_link(?MODULE, conf_change, []),
    ?line yes = global:register_name(conf_change, CcPid),

    % Write a .app file
    {ok, Fd} = file:open("app1.app", [write]),
    w_app1(Fd),
    file:close(Fd),
    {ok, Fd2} = file:open("app2.app", [write]),
    w_app1(Fd2),
    file:close(Fd2),

    % Start app1 
    ?line ok = application:load(app1()),
    ?line ok = application:start(app1, permanent),

    %% Read the current configuration parameters, and change them
    EnvBefore = application_controller:prep_config_change(),
    application_controller:test_change_apps([app1],[[{app1,[{new1, hi}, 
                                                            {new2, moi}]}]]),
    ?line ok = application_controller:config_change(EnvBefore),
    ?line ok = get_conf_change([{[], [{new1, hi}, {new2, moi}], []}]),
    
    % Start app2
    ?line ok = application:load(app2()),
    ?line ok = application:start(app2, permanent),

    %% Read the current configuration parameters, and change them again
    EnvBefore2 = application_controller:prep_config_change(),
    application_controller:test_change_apps([app1],[[{app1,[{new1, hello}, 
                                                            {new3, mors}]}]]),
    application_controller:test_change_apps([app2],[[{app2,[{new1, si}, 
                                                            {new2, no}]}]]),
    _EnvBefore22 = application_controller:prep_config_change(),
    ?line ok = application_controller:config_change(EnvBefore2),
    
    ?line ok = get_conf_change([{[],[{new1,si},{new2,no}],[]},
                                {[{new1,hello}],[{new3,mors}],[new2]}]),
    
    ?line ok = application:stop(app1),
    ?line ok = application:stop(app2),
    ok.

%%-----------------------------------------------------------------
%% Ticket: OTP-2718
%% Slogan: transient app which fails during start is ignored
%%-----------------------------------------------------------------
otp_2718(suite) -> [];
otp_2718(doc) ->
    ["Test fail of transient app at start."];
otp_2718(Conf) when is_list(Conf) ->
    ?line {ok, Cp1} = start_node_args(cp1, "-pa " ++ ?config(data_dir,Conf)),
    ?line wait_for_ready_net(),

    %% normal exit from the application
    ?line ok = rpc:call(Cp1, application, load, [app_trans_normal()]),
    ?line ?UNTIL(is_loaded(trans_normal, Cp1)),
    ?line {error, {{'EXIT',normal},_}} =
	rpc:call(Cp1, application, start, [trans_normal, transient]),
    test_server:sleep(2000),
    ?line false = is_started(trans_normal, Cp1),

    %% abnormal exit from the application
    ?line ok = rpc:call(Cp1, application, load, [app_trans_abnormal()]),
    ?line {error, {bad_return,{{trans_abnormal_sup,start,[normal,[]]},
			       {'EXIT',abnormal}}}} =
	rpc:call(Cp1, application, start, [trans_abnormal, transient]),
    test_server:sleep(3000),
    ?line {badrpc,nodedown} = which_applications(Cp1),
    ok.

%%-----------------------------------------------------------------
%% Ticket: OTP-2973
%% Slogan: application:start does not test if an appl is already starting...
%%-----------------------------------------------------------------
otp_2973(suite) -> [];
otp_2973(doc) ->
    ["Test of two processes simultanously starting the same application."];
otp_2973(Conf) when is_list(Conf) ->
    % Write a .app file
    {ok, Fd} = file:open("app0.app", [write]),
    w_app(Fd, app0()),
    file:close(Fd),

    ?line Pid1 =  spawn_link(?MODULE, init2973, []),
    ?line Pid2 =  spawn_link(?MODULE, init2973, []),

    ?line Pid1 ! {start, self(), app0},
    ?line Pid2 ! {start, self(), app0},
    
    ?line {Res1, Res2} = receive 
			     {Pid1, res, Res1x} ->
				 receive 
				     {Pid2, res, Res2x} ->
					 {Res1x, Res2x}
				   after 2000 ->
					   ?line test_server:fail(timeout_pid2)
				   end;
			     {Pid2, res, Res2x} ->
				 receive 
				     {Pid1, res, Res1x} ->
					 {Res1x, Res2x}
				 after 2000 ->
					 ?line test_server:fail(timeout_pid1)
				 end
			 end,

    %% Stop it. Inteferes with other global.
    ?line ok = application:stop(app0),

    %% Test result.
    case {Res1, Res2} of
	{ok, ok} ->
	    ok;
	_ ->
	    ?line Txt = io_lib:format("Illegal results from start: ~p ~p ",
				      [Res1, Res2]),
	    ?line test_server:fail(lists:flatten(Txt))
    end,


    % Write a .app file
    ?line {ok, Fda} = file:open("app_start_error.app", [write]),
    ?line w_app_start_error(Fda),
    ?line file:close(Fda),

    ?line Pid1 ! {start, self(), app_start_error},
    ?line Pid2 ! {start, self(), app_start_error},
    
    ?line {Res1a, Res2a} = receive 
			       {Pid1, res, Res1y} ->
				   receive 
				       {Pid2, res, Res2y} ->
					   {Res1y, Res2y}
				   after 2000 ->
					   ?line test_server:fail(timeout_pid2)
				   end;
			       {Pid2, res, Res2y} ->
				   receive 
				       {Pid1, res, Res1y} ->
					   {Res1y, Res2y}
				   after 2000 ->
					   ?line test_server:fail(timeout_pid1)
				   end
			   end,

    case {Res1a, Res2a} of
	{{error,{'start error',{app_start_error,start,[normal,[]]}}}, 
	 {error,{'start error',{app_start_error,start,[normal,[]]}}}} ->
	    ok;
	_ ->
	    ?line Txta = io_lib:format("Illegal results from start ~p ~p ",[Res1a, Res2a]),
	    ?line test_server:fail(lists:flatten(Txta))
    end,

    ok.



%%-----------------------------------------------------------------
%% Ticket: OTP-3184
%% Slogan: crash the node if permanent appl has illegal env parameter values
%%-----------------------------------------------------------------
otp_3184(suite) -> [];
otp_3184(doc) ->
    ["When a distributed application is started the permit flag is checked "
     "that the permit flag is not changed during the start. "
     "Te check must only be made if the application is started on the own node"];
otp_3184(Conf) when is_list(Conf) ->
    NodeNames = [Ncp1, Ncp2] = node_names([cp1, cp2], Conf),
    NoSyncTime = config_fun_fast(config3184(NodeNames)),
    WithSyncTime = config_fun(config3184(NodeNames)),

    % Test [cp1, cp2]
    ?line {ok, Cp1} = start_node_config(Ncp1, NoSyncTime, Conf),
    ?line {ok, Cp2} = start_node_config(Ncp2, WithSyncTime, Conf),
    ?line wait_for_ready_net(),

    % Start app1 and make sure it is not started
    ?line {[ok,ok],[]} = 
        rpc:multicall([Cp1, Cp2], application, load, [app1()]),
    test_server:sleep(3000),
    ?line false = is_started(app1, Cp1),
    ?line false = is_started(app1, Cp2),

    % Start app1 on cp1
    ?line ok = rpc:call(Cp1, application, permit, [app1, true]),
    ?line ok = rpc:call(Cp1, application, start, [app1, permanent]),
    ?line ok = rpc:call(Cp2, application, start, [app1, permanent]),
    ?line ?UNTIL(is_started(app1, Cp1)),
    ?line false = is_started(app1, Cp2),
    
    % Check that the application is marked as running in application_controller
    ?line X = rpc:call(Cp1, application_controller, info, []),
    ?line {value, {running, Xrunning}} = lists:keysearch(running, 1, X),
    ?line {value, Xapp1} = lists:keysearch(app1, 1, Xrunning),
    ?line {app1, _Xpid} = Xapp1,

    ?line Y = rpc:call(Cp2, application_controller, info, []),
    ?line {value, {running, Yrunning}} = lists:keysearch(running, 1, Y),
    ?line {value, Yapp1} = lists:keysearch(app1, 1, Yrunning),
    ?line {app1, {distributed, Cp1}} = Yapp1,

    stop_node_nice(Cp1),
    stop_node_nice(Cp2),
    ok.

%%-----------------------------------------------------------------
%% Ticket: OTP-3002
%% Slogan: crash the node if permanent appl has illegal env parameter values
%%-----------------------------------------------------------------
otp_3002(suite) -> [];
otp_3002(doc) ->
    ["crash the node if permanent appl has illegal env parameter values."];
otp_3002(Conf) when is_list(Conf) ->
    % Create the boot script
    ?line {{KernelVer,StdlibVer}, {LatestDir, LatestName}} =
	create_script_3002("script_3002"),
    ?t:format(0, "LatestDir = ~p~n", [LatestDir]),
    ?t:format(0, "LatestName = ~p~n", [LatestName]),

    ?line case is_real_system(KernelVer, StdlibVer) of
	      true ->
		  Options = [];
	      false  ->
		  Options = [local]
	  end,

    ?line ok = systools:make_script("script_3002", Options),
    ?line ok = systools:script2boot("script_3002"),

    ?line {error, timeout} = start_node_boot_3002(cp1, "script_3002"),

    ?line ok = file:delete("script_3002.boot"),
    ?line ok = file:delete("script_3002.rel"),
    ?line ok = file:delete("script_3002.script"),
    ok.

%%-----------------------------------------------------------------
%% Ticket: OTP-4066
%% Slogan: dist_ac crashed if a distributed application that it
%%         didn't know of was stopped by another dist_ac (bad_match
%%         when it received dist_ac_app_stopped).
%%-----------------------------------------------------------------

otp_4066(suite) -> [];
otp_4066(doc) -> ["Check that application stop don't cause dist_ac crash"];
otp_4066(Conf) when is_list(Conf) ->
    % Write config files
    [Ncp1, Ncp2] = node_names([cp1, cp2], Conf),
    Host = from($@, atom_to_list(node())),
    Cp1 = list_to_atom(Ncp1 ++ "@" ++ Host),
    Cp2 = list_to_atom(Ncp2 ++ "@" ++ Host),
    AllNodes = [Cp1, Cp2],
    App1Nodes = {app1, AllNodes},

    Dir = ?config(priv_dir,Conf),
    ?line {ok, FdC} = file:open(filename:join(Dir, "otp_4066.config"), [write]),
    ?line write_config(FdC, config_4066(AllNodes, 5000, [App1Nodes])),
    ?line file:close(FdC),

    % Write the app1.app file
    ?line {ok, FdA12} = file:open(filename:join(Dir, "app1.app"), [write]),
    ?line w_app1(FdA12),
    ?line file:close(FdA12),

    Args1 = "-pa " ++ Dir ++ " -config " ++ filename:join(Dir, "otp_4066"),
    Args2 =  "-pa " ++ Dir ++ " -kernel start_dist_ac true",

    ?line {ok, Cp2} = start_node_args(Ncp2, Args2),
    %% Cp1 syncs with cp2 (which is known to be up).
    ?line {ok, Cp1} = start_node_args(Ncp1, Args1),
    ?line wait_for_ready_net(),

    ?line ok = rpc:call(Cp1, application, start, [app1]),
    ?line wait_until_started(app1, [Cp1]),
    ?line test_server:format("--- App1 started at Cp1 ---~n", []),
    ?line print_dac_state(AllNodes),

    % Cp2 previously crashed on this stop
    ?line ok = rpc:call(Cp1, application, stop, [app1]),
    ?line wait_until_stopped(app1, [Cp1]),
    ?line test_server:format("--- App1 stopped at Cp1 ---~n", []),
    ?line print_dac_state(AllNodes),

    ?line ok = rpc:call(Cp1, application, start, [app1]),
    ?line wait_until_started(app1, [Cp1]),
    ?line test_server:format("--- App1 started at Cp1 ---~n", []),
    ?line print_dac_state(AllNodes),

    ?line ok = rpc:call(Cp2, application, load, [app1, App1Nodes]),
    ?line ok = rpc:call(Cp2, application, start, [app1]),
    ?line test_server:format("--- App1 started at Cp2 ---~n", []),
    ?line print_dac_state(AllNodes),


    ?line stop_node_nice(Cp1),
    ?line wait_until_started(app1, [Cp2]),
    ?line test_server:format("--- Cp1 crashed; failover to Cp2  ---~n", []),
    ?line print_dac_state(Cp2),

    ?line stop_node_nice(Cp2),
    ok.

config_4066(SyncNodesOptional, SyncNodesTimeout, Distributed) ->
    [{kernel, [{sync_nodes_optional,SyncNodesOptional},
	       {sync_nodes_timeout, SyncNodesTimeout},
	       {distributed, Distributed}]}].

write_config(Fd, Config) ->
    io:format(Fd, "~p.~n", [Config]).

print_dac_state(Node) when is_atom(Node) ->
    State = gen_server:call({dist_ac, Node}, info),
    test_server:format(" * dist_ac state on node ~p:~n    ~p~n",
                       [Node, State]);
print_dac_state(Nodes) when is_list(Nodes) ->
    lists:foreach(fun (N) -> print_dac_state(N) end, Nodes).
				

%%-----------------------------------------------------------------
%% Ticket: OTP-4227
%% Slogan: Bad return value from application.
%%-----------------------------------------------------------------
otp_4227(suite) -> [];
otp_4227(doc) ->
    ["Test start of depending app when required app crashed."];
otp_4227(Conf) when is_list(Conf) ->
    NodeNames = [Ncp1, Ncp2] = node_names([cp1, cp2], Conf),
    NoSyncTime = config_fun_fast(config_4227(NodeNames)),
    WithSyncTime = config_fun(config_4227(NodeNames)),

    %% Test [cp1, cp2]
    ?line {ok, Cp1} = start_node_config(Ncp1, NoSyncTime, Conf),
    ?line {ok, Cp2} = start_node_config(Ncp2, WithSyncTime, Conf),
    Cps = [Cp1, Cp2],
    ?line wait_for_ready_net(),

    %% Try to start app10 which should fail since app9 is not started
    ?line {[ok,ok],[]} = 
        rpc:multicall(Cps, application, load, [app9()]),
    ?line ?UNTIL(is_loaded(app9, Cps)),
    ?line {[ok,ok],[]} = 
        rpc:multicall(Cps, application, load, [app10_dep9()]),
    ?line {error, {not_started, app9}} = 
	rpc:call(Cp1, application, start, [app10]),

    %% Start app9 and brutally kill it, then try to start app10
    ?line ok = rpc:call(Cp1, application, start, [app9]),
    ?line test_server:sleep(1000),
    ?line Pid9 = rpc:call(Cp1, erlang, whereis, [ch_sup19]),
    ?line true = erlang:is_pid(Pid9),
    ?line true = erlang:exit(Pid9, kill),
    ?line test_server:sleep(1000),

    %% This gave {error, no_report} before the patch
    ?line {error, {not_running, app9}} = 
	rpc:call(Cp1, application, start, [app10]),

    ?line stop_node_nice(Cp1),
    ?line stop_node_nice(Cp2),
    ok.

config_4227([Ncp1, Ncp2]) ->
    fun(Fd, SyncNodesTimeout) ->
            M = from($@, atom_to_list(node())),
            io:format(Fd, 
                      "[{kernel, "
                      "  [{sync_nodes_optional, ['~s@~s','~s@~s']},"
                      "   {sync_nodes_timeout, ~w},"
                      "   {start_dist_ac, true},"
                      "   {distributed, "
                      "    [{app9,  ['~s@~s','~s@~s']}, "
                      "     {app10, ['~s@~s','~s@~s']}]}]}].~n",
                      [Ncp1, M, Ncp2, M,  
                       SyncNodesTimeout,  
                       Ncp1, M, Ncp2, M,  
                       Ncp1, M, Ncp2, M])
    end.

%%-----------------------------------------------------------------
%% Ticket: OTP-5363
%% Slogan: Slow termination in application_master
%%-----------------------------------------------------------------
otp_5363(Conf) when is_list(Conf) ->
    %% When stopping an application, all processes having the
    %% application master as group leader should get killed.
    %% The killing was done in an inefficient way.
    %%   In this test case, we will not test the efficiency of
    %% the code, but only that the correct processes ARE killed.

    OldPath = code:get_path(),
    code:add_patha(?config(data_dir,Conf)),
    try
	?line ok = application:load(app_group_leader()),
	?line ok = application:start(group_leader),
	?line case whereis(nisse) of
		  Pid when is_pid(Pid) ->
		      ?line Mref = erlang:monitor(process, Pid),
		      ?line ok = application:stop(group_leader),
		      receive
			  {'DOWN',Mref,_,_,_} -> ok
		      end,
		      ?line undefined = whereis(nisse);
		  Bad ->
		      ?line io:format("~p\n", [Bad]),
		      ?t:fail()
	      end
    after
        code:set_path(OldPath)
    end,
    ok.

%%-----------------------------------------------------------------
%% Ticket: OTP-5606
%% Slogan: Problems with starting a distributed application
%%-----------------------------------------------------------------
otp_5606(suite) -> [];
otp_5606(doc) ->
    ["Test of several processes simultanously starting the same "
     "distributed application."];
otp_5606(Conf) when is_list(Conf) ->

    %% Write a config file
    Dir = ?config(priv_dir, Conf),
    {ok, Fd} = file:open(filename:join(Dir, "sys.config"), [write]),
    NodeNames = [Ncp1, Ncp2] = node_names([cp1, cp2], Conf),
    (config4(NodeNames))(Fd, 10000),
    file:close(Fd),
    Config = filename:join(Dir, "sys"),
    
    %% Test [cp1, cp2]
    ?line {ok, Cp1} = start_node(Ncp1, Config),
    ?line {ok, Cp2} = start_node(Ncp2, Config),
    Cps = [Cp1, Cp2],
    ?line wait_for_ready_net(),

    %% Load app1 on both nodes
    ?line {[ok, ok], []} =
	rpc:multicall(Cps, application, load, [app1()]),

    %% Attempt to start app1 from different processes simultaneously
    ?line Pid11 =  spawn_link(Cp1, ?MODULE, loop5606, [self()]),
    ?line Pid12 =  spawn_link(Cp1, ?MODULE, loop5606, [self()]),
    ?line Pid13 =  spawn_link(Cp1, ?MODULE, loop5606, [self()]),
    ?line Pid2  =  spawn_link(Cp2, ?MODULE, loop5606, [self()]),

    ?line Pid2 ! start,
    ?line Pid11 ! start,
    ?line Pid12 ! start,
    ?line Pid13 ! start,

    ResL = otp_5606_loop([]),

    case ResL of
	[ok, ok, ok, ok] ->
	    ok;
	[Res1, Res2, Res3, Res4] ->
	    Txt = io_lib:format("Illegal results from start ~p ~p ~p ~p",
				[Res1, Res2, Res3, Res4]),
	    ?line test_server:fail(lists:flatten(Txt))
    end,

    ?line {error, {already_started, app1}} = 
	rpc:call(Cp1, application, start, [app1]),

    stop_node_nice(Cp1),
    stop_node_nice(Cp2),
    ok.

otp_5606_loop(ResL) when length(ResL)<4 ->
    receive 
	{_Pid, Res} ->
	    otp_5606_loop([Res|ResL])
    after 5000 ->
	    ?line test_server:fail(timeout_waiting_for_res)
    end;
otp_5606_loop(ResL) ->
    ResL.

loop5606(Pid) ->
    receive
	start ->
	    Res = application:start(app1),
	    Pid ! {self(), Res}
    end.
	    

%%-----------------------------------------------------------------
%% Should be started in a CC view with:
%% erl -sname XXX -rsh ctrsh where XX not in [cp1, cp2, cp3]
%%-----------------------------------------------------------------
get_key(suite) -> [];
get_key(doc) ->
    ["Tests read the .app keys."];
get_key(Conf) when is_list(Conf) ->
    NodeNames = [Ncp1, _Ncp2, _Ncp3] = node_names([cp1, cp2, cp3], Conf),
    WithSyncTime = config_fun(config_inc(NodeNames)),

    % Test [cp1, cp2, cp3]
    ?line {ok, Cp1} = start_node_config(Ncp1, WithSyncTime, Conf),

    ?line ok = rpc:call(Cp1, application, load, [appinc(), d3(NodeNames)]),
    ?line ?UNTIL(is_loaded(appinc, Cp1)),
    ?line ok = rpc:call(Cp1, application, start, [appinc, permanent]),
    ?line ?UNTIL(is_started(appinc, Cp1)),
    
    ?line {ok, "Test of new app file, including appnew"} =
	rpc:call(Cp1, application, get_key, [appinc, description]),
    ?line {ok, "CXC 138 ai"} = rpc:call(Cp1, application, get_key, [appinc ,id]),
    ?line {ok, "2.0"} = rpc:call(Cp1, application, get_key, [appinc, vsn]),
    ?line {ok, [kernel]} = rpc:call(Cp1, application, get_key, [appinc, applications]),
    ?line {ok, [appinc1, appinc2]} = 
	rpc:call(Cp1, application, get_key, [appinc, included_applications]),
    ?line {ok, []} = rpc:call(Cp1, application, get_key, [appinc, registered]),
    ?line {ok, [{init, [kalle]}, {takeover, []}, {go, [sune]}]} =
	rpc:call(Cp1, application, get_key, [appinc, start_phases]),
    ?line {ok, Env} = rpc:call(Cp1, application, get_key, [appinc ,env]),
    ?line [{included_applications,[appinc1,appinc2]},
	   {own2,val2},{own_env1,value1}] = lists:sort(Env),
    ?line {ok, []} = rpc:call(Cp1, application, get_key, [appinc, modules]),
    ?line {ok, {application_starter, [ch_sup, {appinc, 41, 43}] }} = 
	rpc:call(Cp1, application, get_key, [appinc, mod]),
    ?line {ok, infinity} = rpc:call(Cp1, application, get_key, [appinc, maxP]),
    ?line {ok, infinity} = rpc:call(Cp1, application, get_key, [appinc, maxT]),
    ?line undefined = rpc:call(Cp1, application, get_key, [appinc, very_unknown]),

    ?line {ok, [{description, "Test of new app file, including appnew"}, 
		{id, "CXC 138 ai"}, 
		{vsn, "2.0"}, 
		{modules, []}, 
		{maxP, infinity}, 
		{maxT, infinity}, 
		{registered, []}, 
		{included_applications, [appinc1, appinc2]}, 
		{applications, [kernel]}, 
		{env, Env}, 
		{mod, {application_starter, [ch_sup, {appinc, 41, 43}] }}, 
		{start_phases, [{init, [kalle]}, {takeover, []}, {go, [sune]}]}]} = 
	rpc:call(Cp1, application, get_all_key, [appinc]),
    ?line [{included_applications,[appinc1,appinc2]},
	   {own2,val2},{own_env1,value1}] = lists:sort(Env),

    ?line {ok, "Test of new app file, including appnew"} =
	gen_server:call({global, {ch,41}}, {get_pid_key, description}),
    ?line {ok, "CXC 138 ai"} = 
	gen_server:call({global, {ch,41}}, {get_pid_key, id}),
    ?line {ok, "2.0"} = 
	gen_server:call({global, {ch,41}}, {get_pid_key, vsn}),
    ?line {ok, [kernel]} = 
	gen_server:call({global, {ch,41}}, {get_pid_key, applications}),
    ?line {ok, [appinc1, appinc2]} = 
	gen_server:call({global, {ch,41}}, {get_pid_key, included_applications}),
    ?line {ok, []} = 
	gen_server:call({global, {ch,41}}, {get_pid_key, registered}),
    ?line {ok, [{init, [kalle]}, {takeover, []}, {go, [sune]}]} =
	gen_server:call({global, {ch,41}}, {get_pid_key, start_phases}),
    ?line {ok, Env} = gen_server:call({global, {ch,41}}, {get_pid_key, env}),
    ?line [{included_applications,[appinc1,appinc2]},
	   {own2,val2},{own_env1,value1}] = lists:sort(Env),
    ?line {ok, []} = 
	gen_server:call({global, {ch,41}}, {get_pid_key, modules}),
    ?line {ok, {application_starter, [ch_sup, {appinc, 41, 43}] }} = 
	gen_server:call({global, {ch,41}}, {get_pid_key, mod}),
    ?line {ok, infinity} = 
	gen_server:call({global, {ch,41}}, {get_pid_key, maxP}),
    ?line {ok, infinity} = 
	gen_server:call({global, {ch,41}}, {get_pid_key, maxT}),
    ?line undefined = 
	gen_server:call({global, {ch,41}}, {get_pid_key, very_unknown}),



    ?line {ok, [{description, "Test of new app file, including appnew"}, 
		{id, "CXC 138 ai"}, 
		{vsn, "2.0"}, 
		{modules, []}, 
		{maxP, infinity}, 
		{maxT, infinity}, 
		{registered, []}, 
		{included_applications, [appinc1, appinc2]}, 
		{applications, [kernel]}, 
		{env, Env}, 
		{mod, {application_starter, [ch_sup, {appinc, 41, 43}] }}, 
		{start_phases, [{init, [kalle]}, {takeover, []}, {go, [sune]}]}]} = 
	gen_server:call({global, {ch,41}}, get_pid_all_key),
    ?line [{included_applications,[appinc1,appinc2]},
	   {own2,val2},{own_env1,value1}] = lists:sort(Env),
    
    stop_node_nice(Cp1),
    ok.

%%%-----------------------------------------------------------------
%%% Testing of change of distributed parameter.
%%%-----------------------------------------------------------------

distr_changed_tc1(suite) -> [];
distr_changed_tc1(doc) -> ["Test change of distributed parameter."];
distr_changed_tc1(Conf) when is_list(Conf) ->

    {OldKernel, OldEnv, {Cp1, Cp2, Cp3}, {_Ncp1, _Ncp2, _Ncp3}, _Config2} = 
	distr_changed_prep(Conf),

    ?line NewDist = {distributed, [{app1, [Cp3]},
				   {app2, 5000, [Cp2]},
				   {app3, [Cp3, {Cp1, Cp2}]},
				   {app6, [Cp1, {Cp3, Cp2}]},
				   {app7, 1000, [Cp3]},
				   {app8, [Cp1, {Cp2, Cp3}]}]},
    
    ?line NewKernel = [{kernel, lists:keyreplace(distributed, 1, OldKernel, NewDist)}],
    ?line ok = rpc:call(Cp1, application_controller, test_change_apps, 
			[[kernel], [NewKernel]]),
    ?line ok = rpc:call(Cp2, application_controller, test_change_apps, 
			[[kernel], [NewKernel]]),
    ?line ok = rpc:call(Cp3, application_controller, test_change_apps, 
			[[kernel], [NewKernel]]),
    
    ?line {[ok,ok,ok],[]} = 
	rpc:multicall([Cp1, Cp2, Cp3], 
		      application_controller, config_change, [OldEnv]),
    
    ?line test_server:sleep(7000),
    
    ?line DcInfo1 = rpc:call(Cp1, dist_ac, info, []),
    ?line DcInfo2 = rpc:call(Cp2, dist_ac, info, []),
    ?line DcInfo3 = rpc:call(Cp3, dist_ac, info, []),

    ?line DcWa1 = which_applications(Cp1),
    ?line DcWa2 = which_applications(Cp2),
    ?line DcWa3 = which_applications(Cp3),
    
    ?line Wa1 = lists:foldl(fun({A1, _N1, _V1}, AccIn) -> [A1 | AccIn] end,
			    [], DcWa1),
    ?line Wa2 = lists:foldl(fun({A2, _N2, _V2}, AccIn) -> [A2 | AccIn] end,
			    [], DcWa2),
    ?line Wa3 = lists:foldl(fun({A3, _N3, _V3}, AccIn) -> [A3 | AccIn] end,
			    [], DcWa3),
    ?line case lists:sort(Wa1) of
	      [app1, app2, app3, kernel, stdlib] ->
		  ok;
	      EWa1 ->
		  X1 = io_lib:format("distribution error: Cp1 ~p ",[EWa1]),
		  ?line test_server:fail(lists:flatten(X1))
	  end,
		  
    ?line case lists:sort(Wa2) of
	      [app6, app8, kernel, stdlib] ->
		  ok;
	      EWa2 ->
		  X2 = io_lib:format("distribution error: Cp2 ~p ",[EWa2]),
		  ?line test_server:fail(lists:flatten(X2))
	  end,
		  
    ?line case lists:sort(Wa3) of
	      [app7, kernel, stdlib] ->
		  ok;
	      EWa3 ->
		  X3 = io_lib:format("distribution error: Cp3 ~p ",[EWa3]),
		  ?line test_server:fail(lists:flatten(X3))
	  end,
		  
    ?line DcInfo1n = rpc:call(Cp1, dist_ac, info, []),
    ?line DcInfo2n = rpc:call(Cp2, dist_ac, info, []),
    ?line DcInfo3n = rpc:call(Cp3, dist_ac, info, []),

    %% Added afterwards. Got rid of some warnings for unused variables.
    ?line true = DcInfo1 =:= DcInfo1n,
    ?line true = DcInfo2 =:= DcInfo2n,
    ?line true = DcInfo3 =:= DcInfo3n,

    stop_node_nice(Cp1),
    stop_node_nice(Cp2),   
    stop_node_nice(Cp3),   

    ?line ok = file:delete("dc.boot"),
    ?line ok = file:delete("dc.rel"),
    ?line ok = file:delete("dc.script"),

    ok.

distr_changed_tc2(suite) -> [];
distr_changed_tc2(doc) -> ["Test change of distributed parameter, "
			   "move appls by crashing a node."];
distr_changed_tc2(Conf) when is_list(Conf) ->

    {OldKernel, OldEnv, {Cp1, Cp2, Cp3}, {Ncp1, _Ncp2, _Ncp3}, Config2} = 
	distr_changed_prep(Conf),

    ?line NewDist = {distributed, [{app1, [Cp3]},
				   {app2, 5000, [Cp2]},
				   {app3, [Cp3, {Cp1, Cp2}]},
				   {app6, [Cp1, {Cp3, Cp2}]},
				   {app7, 1000, [Cp3]},
				   {app8, [Cp1, {Cp2, Cp3}]}]},
    
    ?line NewKernel = [{kernel, lists:keyreplace(distributed, 1, OldKernel, NewDist)}],
    ?line ok = rpc:call(Cp1, application_controller, test_change_apps, 
			[[kernel], [NewKernel]]),
    ?line ok = rpc:call(Cp2, application_controller, test_change_apps, 
			[[kernel], [NewKernel]]),
    ?line ok = rpc:call(Cp3, application_controller, test_change_apps, 
			[[kernel], [NewKernel]]),
    
    ?line {[ok,ok,ok],[]} = 
	rpc:multicall([Cp1, Cp2, Cp3], 
		      application_controller, config_change, [OldEnv]),
    
    ?line test_server:sleep(4000),
    ?line stop_node_nice(Cp1),   
    ?line test_server:sleep(10000),

%    ?line _DcInfo1 = rpc:call(Cp1, dist_ac, info, []),
    ?line _DcInfo2 = rpc:call(Cp2, dist_ac, info, []),
    ?line _DcInfo3 = rpc:call(Cp3, dist_ac, info, []),
%    ?t:format(0,"#### DcInfo1 ~n~p~n",[_DcInfo1]),

%    ?line DcWa1 = which_applications(Cp1),
    ?line DcWa2 = which_applications(Cp2),
    ?line DcWa3 = which_applications(Cp3),
    
%    ?line Wa1 = lists:foldl(fun({A1, _N1, _V1}, AccIn) -> [A1 | AccIn] end,
%			    [], DcWa1),
    ?line Wa2 = lists:foldl(fun({A2, _N2, _V2}, AccIn) -> [A2 | AccIn] end,
			    [], DcWa2),
    ?line Wa3 = lists:foldl(fun({A3, _N3, _V3}, AccIn) -> [A3 | AccIn] end,
			    [], DcWa3),
		  

    ?line case lists:sort(Wa2) of
	      [app2, app6, app8, kernel, stdlib] ->
		  ok;
	      EWa2 ->
		  X2 = io_lib:format("distribution error: Cp2 ~p ",[EWa2]),
		  ?line test_server:fail(lists:flatten(X2))
	  end,
		  
    ?line case lists:sort(Wa3) of
	      [app1, app3, app7, kernel, stdlib] ->
		  ok;
	      EWa3 ->
		  X3 = io_lib:format("distribution error: Cp3 ~p ",[EWa3]),
		  ?line test_server:fail(lists:flatten(X3))
	  end,


    ?line {ok, Cp1} = start_node_boot(Ncp1, Config2, dc),
    ?line test_server:sleep(10000),

    ?line _DcInfo1rs = rpc:call(Cp1, dist_ac, info, []),
    ?line _DcInfo2rs = rpc:call(Cp2, dist_ac, info, []),
    ?line _DcInfo3rs = rpc:call(Cp3, dist_ac, info, []),

    ?line DcWa1rs = which_applications(Cp1),
    ?line DcWa2rs = which_applications(Cp2),
    ?line DcWa3rs = which_applications(Cp3),
    
    ?line Wa1rs = lists:foldl(fun({A1, _N1, _V1}, AccIn) -> [A1 | AccIn] end,
			      [], DcWa1rs),
    ?line Wa2rs = lists:foldl(fun({A2, _N2, _V2}, AccIn) -> [A2 | AccIn] end,
			      [], DcWa2rs),
    ?line Wa3rs = lists:foldl(fun({A3, _N3, _V3}, AccIn) -> [A3 | AccIn] end,
			      [], DcWa3rs),
		  
    ?line case lists:sort(Wa1rs) of
	      [app6, app8, kernel, stdlib] ->
		  ok;
	      EWa1rs ->
		  X1rs = io_lib:format("distribution error: Cp1 ~p ",[EWa1rs]),
		  ?line test_server:fail(lists:flatten(X1rs))
	  end,
		  
    ?line case lists:sort(Wa2rs) of
	      [app2, kernel, stdlib] ->
		  ok;
	      EWa2rs ->
		  X2rs = io_lib:format("distribution error: Cp2 ~p ",[EWa2rs]),
		  ?line test_server:fail(lists:flatten(X2rs))
	  end,
		  
    ?line case lists:sort(Wa3rs) of
	      [app1, app3, app7, kernel, stdlib] ->
		  ok;
	      EWa3rs ->
		  X3rs = io_lib:format("distribution error: Cp3 ~p ",[EWa3rs]),
		  ?line test_server:fail(lists:flatten(X3rs))
	  end,


    stop_node_nice(Cp1),
    stop_node_nice(Cp2),
    stop_node_nice(Cp3),

    ?line ok = file:delete("dc.boot"),
    ?line ok = file:delete("dc.rel"),
    ?line ok = file:delete("dc.script"),

    ok.



%%%-----------------------------------------------------------------
%%% Testing of application configuration change
%%%-----------------------------------------------------------------
config_change(suite) ->
    [];
config_change(doc) ->
    ["Test change of application configuration"];
config_change(Conf) when is_list(Conf) ->

    %% Change to data_dir
    ?line {ok, CWD} = file:get_cwd(),
    ?line DataDir = ?config(data_dir, Conf),
    ?line ok = file:set_cwd(DataDir),

    %% Find out application data from boot script
    ?line Boot = filename:join([code:root_dir(), "bin", "start.boot"]),
    ?line {ok, Bin} = file:read_file(Boot),
    ?line Appls = get_appls(binary_to_term(Bin)),

    %% Simulate contents of "sys.config"
    ?line Config = [{stdlib, [{par1,sys},{par2,sys}]},
		    "t1",
		    "t2.config",
		    filename:join([DataDir, "subdir", "t3"]),
		    {stdlib, [{par6,sys}]}],

    %% Order application_controller to update configuration
    ?line ok = application_controller:change_application_data(Appls,
							      Config),

    %% Check that stdlib parameters are correctly set
    ?line Env = application:get_all_env(stdlib),
    ?line {value, {par1,sys}} = lists:keysearch(par1, 1, Env),
    ?line {value, {par2,t1}}  = lists:keysearch(par2, 1, Env),
    ?line {value, {par3,t1}}  = lists:keysearch(par3, 1, Env),
    ?line {value, {par4,t2}}  = lists:keysearch(par4, 1, Env),
    ?line {value, {par5,t3}}  = lists:keysearch(par5, 1, Env),
    ?line {value, {par6,sys}} = lists:keysearch(par6, 1, Env),

    ?line ok = file:set_cwd(CWD).

%% This function is stolen from SASL module release_handler, OTP R10B
get_appls({script, _, Script}) ->
    get_appls(Script, []).

%% kernel is taken care of separately
get_appls([{kernelProcess, application_controller, 
	    {application_controller, start, [App]}} | T], Res) ->
    get_appls(T, [App | Res]);
%% other applications but kernel
get_appls([{apply, {application, load, [App]}} | T], Res) ->
    get_appls(T, [App | Res]);
get_appls([_ | T], Res) ->
    get_appls(T, Res);
get_appls([], Res) ->
    Res.

%%%-----------------------------------------------------------------
%%% Tests the 'shutdown_func' kernel config parameter
%%%-----------------------------------------------------------------
shutdown_func(suite) ->
    [];
shutdown_func(doc) ->
    ["Tests the 'shutdown_func' kernel config parameter"];
shutdown_func(Config) when is_list(Config) ->
    ?line {ok,Cp1} = start_node(?MODULE_STRING++"_shutdown_func"),
    ?line wait_for_ready_net(),
    ?line Tag = make_ref(),
    ?line ok = rpc:call(Cp1, application, set_env, 
                        [kernel, shutdown_func, {?MODULE, do_shutdown}]),
    ?line ok = rpc:call(Cp1, application, set_env,
                        [kernel, shutdown_func_test, {self(), Tag}]),
    ?line _ = rpc:call(Cp1, init, stop, []),
    ?line receive
	      {Pid, Tag, shutting_down, shutdown} ->
		  ?line Mref = erlang:monitor(process, Pid),
		  ?line Pid ! {self(), Tag, ok},
		  receive
		      {'DOWN', Mref, _, Pid, noconnection} ->
			  ok
		  after 10000 ->
			  test_server:fail(timeout)
		  end
	  after 10000 ->
		  test_server:fail(timeout)
	  end.



do_shutdown(Reason) ->
    {ok, {Pid, Tag}} = application:get_env(kernel, shutdown_func_test),
    Pid ! {self(), Tag, shutting_down, Reason},
    receive 
	{Pid, Tag, ok} -> ok 
    end.



%%%-----------------------------------------------------------------
%%% Tests the 'shutdown_timeout' kernel config parameter
%%%-----------------------------------------------------------------
shutdown_timeout(Config) when is_list(Config) ->
    DataDir = ?config(data_dir,Config),
    {ok,Cp1} = start_node(?MODULE_STRING++"_shutdown_timeout"),
    wait_for_ready_net(),
    ok = rpc:call(Cp1, application, set_env, [kernel, shutdown_timeout, 1000]),
    rpc:call(Cp1, code, add_path, [filename:join([DataDir,deadlock])]),
    ok = rpc:call(Cp1, application, start, [sasl]),
    ok = rpc:call(Cp1, application, start, [deadlock]),
    rpc:call(Cp1, deadlock, restart_and_fail, []),

    ok = net_kernel:monitor_nodes(true),
    _ = rpc:call(Cp1, init, stop, []),
    receive
	{nodedown,Cp1} ->
	    ok
    after 10000 ->
	    ct:fail("timeout 10 sec: node termination hangs")
    end,
    ok.




%%-----------------------------------------------------------------
%% Utility functions
%%-----------------------------------------------------------------
app0() ->
    {application, app0,
     [{description, "ERTS  CXC 138 10"},
      {vsn, "2.0"},
      {modules, []},
      {registered, []},
      {applications, [kernel]},
      {mod, {ch_sup, {app0, 77, 80}}}]}.

app1() ->
    {application, app1,
     [{description, "ERTS  CXC 138 10"},
      {vsn, "2.0"},
      {modules, []},
      {registered, []},
      {applications, [kernel]},
      {mod, {ch_sup, {app1, 1, 3}}}]}.

app2() ->
    {application, app2,
     [{description, "ERTS  CXC 138 10"},
      {vsn, "2.0"},
      {modules, []},
      {registered, []},
      {applications, [kernel]},
      {mod, {ch_sup, {app2, 4, 6}}}]}.

app3() ->
    {application, app3,
     [{description, "ERTS  CXC 138 10"},
      {vsn, "2.0"},
      {modules, []},
      {registered, []},
      {applications, [kernel]},
      {mod, {ch_sup, {app3, 7, 9}}}]}.

app4() ->
    {application, app4,
     [{description, "ERTS  CXC 138 10"},
      {vsn, "2.0"},
      {applications, [kernel]},
      {included_applications, [app5]},
      {mod, {ch_sup, {app3, 7, 9}}}]}.

app5() ->
    {application, app5,
     [{description, "ERTS  CXC 138 10"},
      {vsn, "2.0"},
      {applications, [kernel]},
      {mod, {ch_sup, {app3, 7, 9}}}]}.

app6() ->
    {application, app6,
     [{description, "ERTS  CXC 138 10"},
      {vsn, "2.0"},
      {modules, []},
      {registered, []},
      {applications, [kernel]},
      {mod, {ch_sup, {app6, 10, 12}}}]}.

app7() ->
    {application, app7,
     [{description, "ERTS  CXC 138 10"},
      {vsn, "2.0"},
      {modules, []},
      {registered, []},
      {applications, [kernel]},
      {mod, {ch_sup, {app7, 13, 15}}}]}.

app8() ->
    {application, app8,
     [{description, "ERTS  CXC 138 10"},
      {vsn, "2.0"},
      {modules, []},
      {registered, []},
      {applications, [kernel]},
      {mod, {ch_sup, {app7, 16, 18}}}]}.

app9() ->
    {application, app9,
     [{description, "ERTS  CXC 138 10"},
      {vsn, "2.0"},
      {modules, []},
      {registered, []},
      {applications, [kernel]},
      {mod, {ch_sup, {app9, 19, 19}}}]}.

app10_dep9() ->
    {application, app10,
     [{description, "ERTS  CXC 138 10"},
      {vsn, "2.0"},
      {modules, []},
      {registered, []},
      {applications, [kernel, app9]},
      {mod, {ch_sup, {app10, 20, 20}}}]}.

appinc() ->
    {application, appinc,
     [{description, "Test of new app file, including appnew"},
      {id, "CXC 138 ai"},
      {vsn, "2.0"},
      {applications, [kernel]},
      {modules, []},
      {registered, []},
      {env, [{own_env1, value1}, {own2, val2}]},
      {included_applications, [appinc1, appinc2]},
      {start_phases, [{init, [kalle]}, {takeover, []}, {go, [sune]}]},
      {mod, {application_starter, [ch_sup, {appinc, 41, 43}] }}]}. 


app_sp() ->
    {application, app_sp,
     [{description, "ERTS  CXC 138 10"},
      {vsn, "2.0"},
      {start_phases, [{init, [kurt]}, {go, [sune]}]},
      {applications, [kernel]},
      {modules, []},
      {registered, []},
      {mod, {application_starter, [ch_sup, {app_sp, 31, 33}] }}]}. 

app_trans_normal() ->
    {application, trans_normal,
     [{description, "A  CXC 138 11"},
      {vsn, "1.0"},
      {modules, [{transient, 1}, {trans_normal_sup,1}]},
      {registered, [trans_normal_sup]},
      {applications, [kernel, stdlib]},
      {mod, {trans_normal_sup, []}}]}.

app_trans_abnormal() ->
    {application, trans_abnormal,
     [{description, "A  CXC 138 11"},
      {vsn, "1.0"},
      {modules, [{transient, 1}, {trans_abnormal_sup,1}]},
      {registered, [trans_abnormal_sup]},
      {applications, [kernel, stdlib]},
      {mod, {trans_abnormal_sup, []}}]}.

app_start_error() ->
    {application, app_start_error,
     [{description, "ERTS  CXC 138 10"},
      {vsn, "2.0"},
      {modules, []},
      {registered, []},
      {applications, [kernel]},
      {mod, {app_start_error, []}}]}.

app_group_leader() ->
    {application, group_leader,
     [{description, "GROUP_LEADER  CXC 138 11"},
      {vsn, "1.0"},
      {modules, [group_leader,group_leader_sup]},
      {registered, [group_leader_sup]},
      {applications, [kernel,stdlib]},
      {mod, {group_leader_sup, []}}]}.


d1([Ncp1, Ncp2, Ncp3]) ->
    M = from($@, atom_to_list(node())),
    {app1, [list_to_atom(Ncp1 ++ "@" ++ M),
	    list_to_atom(Ncp2 ++ "@" ++ M),
	    list_to_atom(Ncp3 ++ "@" ++ M)]}.

d2([Ncp1, _Ncp2, Ncp3]) ->
    M = from($@, atom_to_list(node())),
    {app1, [list_to_atom(Ncp1 ++ "@" ++ M),
	    list_to_atom(Ncp3 ++ "@" ++ M)]}.

d3([Ncp1, Ncp2, Ncp3]) ->
    M = from($@, atom_to_list(node())),
    {appinc, [list_to_atom(Ncp1 ++ "@" ++ M),
              list_to_atom(Ncp2 ++ "@" ++ M),
              list_to_atom(Ncp3 ++ "@" ++ M)]}.

d_any3(Any, [Ncp1, Ncp2, Ncp3]) ->
    M = from($@, atom_to_list(node())),
    {Any, [list_to_atom(Ncp1 ++ "@" ++ M),
           list_to_atom(Ncp2 ++ "@" ++ M),
           list_to_atom(Ncp3 ++ "@" ++ M)]}.


config([Ncp1, Ncp2, Ncp3]) ->
    fun(Fd, SyncNodesTimeout) ->
            M = from($@, atom_to_list(node())),
            io:format(Fd, "[{kernel, [{sync_nodes_optional, "
                      "['~s@~s','~s@~s','~s@~s']},"
                      "{sync_nodes_timeout, ~w},"
                      "{distributed, [{app1, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{app2, 1000, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{app3, 1000, [{'~s@~s', '~s@~s'}, '~s@~s']}]}]}].~n",
                      [Ncp1, M, Ncp2, M, Ncp3, M,  
                       SyncNodesTimeout,  Ncp1, M, Ncp2, M, Ncp3, M,  
                       Ncp1, M, Ncp2, M, Ncp3, M,  
                       Ncp1, M, Ncp2, M, Ncp3, M])
    end.

config2([Ncp1, Ncp2, Ncp3]) ->
    fun(Fd, SyncNodesTimeout) ->
            M = from($@, atom_to_list(node())),
            io:format(Fd, "[{kernel, [{sync_nodes_optional, "
                      "['~s@~s','~s@~s','~s@~s']},"
                      "{sync_nodes_timeout, ~w},"
                      "{permissions, [{app3, false}]},"
                      "{distributed, [{app1, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{app2, 10000, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{app3, 5000, [{'~s@~s', '~s@~s'}, '~s@~s']}]}]}].~n",
                      [Ncp1, M, Ncp2, M, Ncp3, M,  
                       SyncNodesTimeout,  
                       Ncp1, M, Ncp2, M, Ncp3, M,  
                       Ncp1, M, Ncp2, M, Ncp3, M,  
                       Ncp1, M, Ncp2, M, Ncp3, M])
    end.

config3([Ncp1, Ncp2, Ncp3]) ->
    fun(Fd, SyncNodesTimeout) ->
            M = from($@, atom_to_list(node())),
            io:format(Fd, "[{kernel, [{sync_nodes_optional, "
                      "['~s@~s','~s@~s','~s@~s']},"
                      "{sync_nodes_timeout, ~w},"
                      "{start_dist_ac, true},"
                      "{permissions, [{app3, false}]}]}].~n",
                      [Ncp1, M, Ncp2, M, Ncp3, M,  
                       SyncNodesTimeout])
    end.

config4([Ncp1, Ncp2]) ->
    fun(Fd, SyncNodesTimeout) ->
            M = from($@, atom_to_list(node())),
            io:format(Fd, "[{kernel, [{sync_nodes_optional, "
                      "['~s@~s','~s@~s']},"
                      "{sync_nodes_timeout, ~w},"
                      "{start_dist_ac, true},"
                      "{distributed, [{app1, ['~s@~s', '~s@~s']}]}]}].~n",
                      [Ncp1, M, Ncp2, M,  SyncNodesTimeout,  
                       Ncp1, M, Ncp2, M])
    end.

config3184([Ncp1, Ncp2]) ->
    fun(Fd, SyncNodesTimeout) ->
            M = from($@, atom_to_list(node())),
            io:format(Fd, "[{kernel, [{sync_nodes_optional, "
                      "['~s@~s','~s@~s']},"
                      "{sync_nodes_timeout, ~w},"
                      "{permissions, [{app1, false}]},"
                      "{distributed, [{app1, ['~s@~s', '~s@~s']}]}]}].~n",
                      [Ncp1, M, Ncp2, M,  SyncNodesTimeout,  
                       Ncp1, M, Ncp2, M])
    end.

config_perm(Fd) ->
    io:format(Fd, "[{kernel, [{permissions, "
	      "[{app1, false}, {app2, false}, {app3, false}]} ]}].~n",[]).

config_perm2([Ncp1, Ncp2, Ncp3]) ->
    fun(Fd, SyncNodesTimeout) ->
            M = from($@, atom_to_list(node())),
            io:format(Fd, "[{kernel, [{sync_nodes_optional, "
                      "['~s@~s','~s@~s','~s@~s']},"
                      "{sync_nodes_timeout, ~w},"
                      "{permissions, [{app1, false}, {app2, false}, {app3, false}]},"
                      "{distributed, [{app1, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{app2, 10000, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{app3, 5000, [{'~s@~s', '~s@~s'}, '~s@~s']}]}]}].~n",
                      [Ncp1, M, Ncp2, M, Ncp3, M,
                       SyncNodesTimeout,
                       Ncp1, M, Ncp2, M, Ncp3, M,
                       Ncp1, M, Ncp2, M, Ncp3, M,
                       Ncp1, M, Ncp2, M, Ncp3, M])
    end.

config_inc([Ncp1, Ncp2, Ncp3]) ->
    fun(Fd, SyncNodesTimeout) ->
            M = from($@, atom_to_list(node())),
            io:format(Fd, "[{kernel, [{sync_nodes_optional, "
                      "['~s@~s','~s@~s','~s@~s']},"
                      "{sync_nodes_timeout, ~w},"
                      "{distributed, [{appinc, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{app2, 10000, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{app3, 5000, [{'~s@~s', '~s@~s'}, '~s@~s']}]}]}].~n",
                      [Ncp1, M, Ncp2, M, Ncp3, M,  
                       SyncNodesTimeout,  
                       Ncp1, M, Ncp2, M, Ncp3, M,  
                       Ncp1, M, Ncp2, M, Ncp3, M,  
                       Ncp1, M, Ncp2, M, Ncp3, M])
    end.

config_sf([Ncp1, Ncp2, Ncp3]) ->
    fun(Fd, SyncNodesTimeout) ->
            M = from($@, atom_to_list(node())),
            io:format(Fd, "[{kernel, [{sync_nodes_optional, "
                      "['~s@~s','~s@~s','~s@~s']},"
                      "{sync_nodes_timeout, ~w},"
                      "{distributed, [{myApp, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{topApp, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{inclOne, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{inclTwo, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{inclTwoTop, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{incl2A, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{incl2B, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{with, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{wrapper, ['~s@~s', '~s@~s', '~s@~s']}]}]}].~n",
                      [Ncp1, M, Ncp2, M, Ncp3, M,  
                       SyncNodesTimeout,   
                       Ncp1, M, Ncp2, M, Ncp3, M,  
                       Ncp1, M, Ncp2, M, Ncp3, M,  
                       Ncp1, M, Ncp2, M, Ncp3, M,  
                       Ncp1, M, Ncp2, M, Ncp3, M,  
                       Ncp1, M, Ncp2, M, Ncp3, M,  
                       Ncp1, M, Ncp2, M, Ncp3, M,  
                       Ncp1, M, Ncp2, M, Ncp3, M,  
                       Ncp1, M, Ncp2, M, Ncp3, M,  
                       Ncp1, M, Ncp2, M, Ncp3, M])
    end.

config_fo([Ncp1, Ncp2, Ncp3]) ->
    fun(Fd, SyncNodesTimeout) ->
            M = from($@, atom_to_list(node())),
            io:format(Fd, "[{kernel, [{sync_nodes_optional, "
                      "['~s@~s','~s@~s','~s@~s']},"
                      "{sync_nodes_timeout, ~w},"
                      "{distributed, [{app1, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{app2, 2000, ['~s@~s', '~s@~s', '~s@~s']},"
                      "{app_sp, 1000, [{'~s@~s', '~s@~s'}, '~s@~s']}]}]}].~n",
                      [Ncp1, M, Ncp2, M, Ncp3, M,
                       SyncNodesTimeout,
                       Ncp1, M, Ncp2, M, Ncp3, M,
                       Ncp1, M, Ncp2, M, Ncp3, M,
                       Ncp1, M, Ncp2, M, Ncp3, M])
    end.

config_dc([Ncp1, Ncp2, Ncp3]) ->
    fun(Fd, SyncNodesTimeout) ->
            M = from($@, atom_to_list(node())),
            io:format(Fd, "[{kernel, [{sync_nodes_optional, "
                      "['~s@~s','~s@~s','~s@~s']},"
                      "{sync_nodes_timeout, ~w},"
                      "{distributed, [{app1, ['~s@~s', '~s@~s']},"
                      "               {app2, 10000, ['~s@~s']},"
                      "               {app3, [{'~s@~s', '~s@~s'}]}, "
                      "               {app6, [{'~s@~s', '~s@~s'}]}, "
                      "               {app7, ['~s@~s']}, "
                      "               {app8, ['~s@~s', {'~s@~s', '~s@~s'}]}"
                      "              ]}]}].~n",
                      [Ncp1, M, Ncp2, M, Ncp3, M,  
                       SyncNodesTimeout,  
                       Ncp1, M, Ncp2, M,  
                       Ncp1, M,  
                       Ncp1, M, Ncp2, M,  
                       Ncp3, M, Ncp2, M,  
                       Ncp3, M,  
                       Ncp2, M, Ncp1, M, Ncp3, M])
    end.

config_dc2([Ncp1, Ncp2, Ncp3]) ->
    fun(Fd) ->
            M = from($@, atom_to_list(node())),
            io:format(Fd, "[{kernel, [{sync_nodes_optional, "
                      "['~s@~s','~s@~s','~s@~s']},"
                      "{sync_nodes_timeout, 10000},"
                      "{distributed, [{app1, ['~s@~s']},"
                      "               {app2, 5000, ['~s@~s']},"
                      "               {app3, ['~s@~s', {'~s@~s', '~s@~s'}]}, "
                      "               {app6, ['~s@~s', {'~s@~s', '~s@~s'}]}, "
                      "               {app7, 1000, ['~s@~s']}, "
                      "               {app8, ['~s@~s', {'~s@~s', '~s@~s'}]}"
                      "              ]}]}].~n",
                      [Ncp1, M, Ncp2, M, Ncp3, M,  
                       Ncp3, M, 
                       Ncp2, M, 
                       Ncp3, M, Ncp1, M, Ncp2, M, 
                       Ncp1, M, Ncp3, M, Ncp2, M, 
                       Ncp3, M,  
                       Ncp1, M, Ncp2, M, Ncp3, M])
    end.

w_app1(Fd) ->
    io:format(Fd, "~p.\n", [app1()]).

w_app2(Fd) ->
    io:format(Fd, "~p.\n", [app2()]).

w_app3(Fd) ->
    io:format(Fd, "~p.\n", [app3()]).

w_app5(Fd) ->
    io:format(Fd, "~p.\n", [app5()]).

w_app6(Fd) ->
    io:format(Fd, "~p.\n", [app6()]).

w_app7(Fd) ->
    io:format(Fd, "~p.\n", [app7()]).

w_app8(Fd) ->
    io:format(Fd, "~p.\n", [app8()]).

w_app_start_error(Fd) ->
    io:format(Fd, "~p.\n", [app_start_error()]).

w_app(Fd, AppData) ->
    io:format(Fd, "~p.\n", [AppData]).

from(H, [H | T]) -> T;
from(H, [_ | T]) -> from(H, T);
from(_H, []) -> [].

is_loaded(Name, [Node | Nodes]) ->
    Apps = rpc:call(Node, application, loaded_applications, []),
    case lists:keysearch(Name, 1, Apps) of
	{value, _} -> is_loaded(Name, Nodes);
	false -> false
    end;
is_loaded(_Name, []) ->
    true;
is_loaded(Name, Node) ->
    is_loaded(Name, [Node]).

is_started(Name, Node) ->
    Apps = which_applications(Node),
    case lists:keysearch(Name, 1, Apps) of
	{value, _} -> true;
	false -> false
    end.

% Waits until application Name is started on at least one node.
wait_until_started(Name, Nodes) ->
    case lists:member(true,
		      lists:map(fun (N) ->
					is_started(Name, N)
				end,
				Nodes)) of
	true ->
	    true;
	false ->
	    test_server:sleep(500),
	    wait_until_started(Name, Nodes)
    end.

% Waits until application Name is stopped on all nodes.
wait_until_stopped(Name, Nodes) ->
    case lists:member(true,
		      lists:map(fun (N) ->
					is_started(Name, N)
				end,
				Nodes)) of
	false ->
	    true;
	true ->
	    test_server:sleep(500),
	    wait_until_stopped(Name, Nodes)
    end.

%% The test server has no support for starting nodes in parallel. To
%% avoid long delays a small sync_nodes_timeout is used. Use this
%% function when starting all nodes but the last one, and when
%% restarting nodes (then use global:sync() to synchronize).
config_fun_fast(SysConfigFun) ->
    fun(Fd) -> SysConfigFun(Fd, 1) end.

config_fun(SysConfigFun) ->
    fun(Fd) -> SysConfigFun(Fd, 10000) end.

start_node_config(Name, SysConfigFun, Conf) ->
    ConfigFile = write_config_file(SysConfigFun, Conf),
    start_node(Name, ConfigFile, "").

start_node(Name) ->
    Pa = filename:dirname(code:which(?MODULE)),
    test_server:start_node(Name, slave, [{args, " -pa " ++ Pa}]).

start_node(Name, ConfigFile) ->
    start_node(Name, ConfigFile, "").

start_node(Name, ConfigFile, ExtraArgs) ->
    Pa = filename:dirname(code:which(?MODULE)),
    test_server:start_node(Name, slave, [{args, 
                                          " -pa " ++ Pa ++ 
                                          " -config " ++ ConfigFile ++ 
                                          ExtraArgs}]).

start_node_with_cache(Name, SysConfigFun, Conf) ->
    ConfigFile = write_config_file(SysConfigFun, Conf),
    start_node(Name, ConfigFile, " -code_path_cache").

start_node_args(Name, Args) ->
    Pa = filename:dirname(code:which(?MODULE)),
    test_server:start_node(Name, slave, [{args, " -pa " ++ Pa ++ " " ++ Args}]).

start_node_boot_3002(Name, Boot) ->
    Pa = filename:dirname(code:which(?MODULE)),
    ?t:format(0, "start_node_boot ~p~n",
	      [" -pa " ++ Pa ++ " -env ERL_CRASH_DUMP erl_crash_dump." ++ 
	       atom_to_list(Name) ++ " -boot " ++ Boot ++ 
	       " -sasl dummy \"missing "]),
    test_server:start_node(Name, slave, 
                           [{args, " -pa " ++ Pa ++
                             " -env ERL_CRASH_DUMP erl_crash_dump." ++ 
                             atom_to_list(Name) ++ " -boot " ++ Boot ++ 
                             " -sasl dummy \"missing "}]).

start_node_boot_config(Name, SysConfigFun, Conf, Boot) ->
    ConfigFile = write_config_file(SysConfigFun, Conf),
    start_node(Name, ConfigFile, " -boot " ++ atom_to_list(Boot)).

start_node_boot(Name, Config, Boot) ->
    Pa = filename:dirname(code:which(?MODULE)),
    ?t:format(0, "start_node_boot ~p~n",[" -pa " ++ Pa ++ " -config " ++ Config ++
						" -boot " ++ atom_to_list(Boot)]),
    test_server:start_node(Name, slave, [{args, " -pa " ++ Pa ++ " -config " ++ Config ++
						" -boot " ++ atom_to_list(Boot)}]).

start_node_config_sf(Name, SysConfigFun, Conf) ->
    ConfigFile = write_config_file(SysConfigFun, Conf),
    DataDir = ?config(data_dir, Conf), % is it used?
    start_node(Name, ConfigFile, " -pa " ++ DataDir).

write_config_file(SysConfigFun, Conf) ->
    Dir = ?config(priv_dir, Conf),
    {ok, Fd} = file:open(filename:join(Dir, "sys.config"), [write]),
    SysConfigFun(Fd),
    file:close(Fd),
    filename:join(Dir,"sys").

node_names(Names, Config) ->
    [node_name(Name, Config) || Name <- Names].

node_name(Name, Config) ->
    U = "_",
    {{Y,M,D}, {H,Min,S}} = calendar:now_to_local_time(now()),
    Date = io_lib:format("~4w_~2..0w_~2..0w__~2..0w_~2..0w_~2..0w", 
                         [Y,M,D, H,Min,S]),
    L = lists:flatten(Date),
    lists:concat([Name,U,?testcase,U,U,L]).

stop_node_nice(Node) when is_atom(Node) ->
    ?line test_server:stop_node(Node);
stop_node_nice(Nodes) when is_list(Nodes) ->
    ?line lists:foreach(fun (N) -> stop_node_nice(N) end, Nodes).


get_start_type(Expected) ->
    get_start_type(Expected, 30*5, #st{}).

get_start_type(_Expected, 0, Ack) ->
    test_server:format("====== ~p ======~n", [Ack]),
    test_server:fail(not_valid_start_type);
get_start_type(Expected, Times, Ack0) ->
    #st{normal = N0, local = L0, takeover = T0, failover = F0} = Ack0,
    global:send(st_type, {st, read, self()}),
    receive
        {st, N, L, T, F} ->
            Ack = #st{normal = N0 + N, local = L0 + L, 
                      takeover = T0 + T, failover = F0 + F},
            if
                Ack =:= Expected ->
                    ok;
                true -> 
                    timer:sleep(200),
                    get_start_type(Expected, Times-1, Ack)
            end
    after 30*1000 ->
            get_start_type(Expected, 0, Ack0)
    end.

start_type() ->
    st(0, 0, 0, 0).

st(Normal, Local, Takeover, Failover) ->
    receive
	{st, normal} ->
	    st(Normal+1, Local, Takeover, Failover);
	{st, local} ->
	    st(Normal, Local+1, Takeover, Failover);
	{st, takeover} ->
	    st(Normal, Local, Takeover+1, Failover);
	{st, failover} ->
	    st(Normal, Local, Takeover, Failover+1);
	{st, read, From} ->
	    From ! {st, Normal, Local, Takeover, Failover},
	    st(0, 0, 0, 0);
	kill ->
	    exit(normal)
    end.


get_start_phase(Expected) ->
    global:send(start_phase, {sp, read, self()}),
    receive
	Expected ->
	    ok;
	{sp, T1, I1, So1, Sp1, G1} ->
           test_server:format("=============== {sp,T,I,So,Sp,G} ~p ~n",[" "]),
           test_server:format("=========== got ~p ~n",
                              [{sp, T1, I1, So1, Sp1, G1}]),
           test_server:format("====== expected ~p ~n", [Expected]),
           test_server:fail(not_valid_start_phase)
    after 5000 ->
           test_server:fail(not_valid_start_phase)
    end.

start_phase() ->
    sp(0, 0, 0, 0, 0).

sp(Top, Init, Some, Spec, Go) ->
    receive
	{sp, top} ->
	    sp(Top+1, Init, Some, Spec, Go);
	{sp, init} ->
	    sp(Top, Init+1, Some, Spec, Go);
	{sp, some} ->
	    sp(Top, Init, Some+1, Spec, Go);
	{sp, spec} ->
	    sp(Top, Init, Some, Spec+1, Go);
	{sp, go} ->
	    sp(Top, Init, Some, Spec, Go+1);
	{sp, read, From} ->
	    From ! {sp, Top, Init, Some, Spec, Go},
	    sp(0, 0, 0, 0, 0);
	kill ->
	    exit(normal)
    end.

get_conf_change(Expected) ->
    global:send(conf_change, {cc, read, self()}),
    receive
	{cc, Expected} ->
	    ok;
	{cc, List} ->
	    ?line test_server:format("====== ~p ======~n",[{cc, List}]),
	    ?line test_server:fail(not_valid_conf_change)
    after 5000 ->
	    ?line test_server:fail(not_valid_conf_change_to)
    end.

conf_change() ->
    cc([]).

cc(List) ->
    receive
	{cc, New} ->
	    cc(List ++ New);
	{cc, read, From} ->
	    From ! {cc, List},
	    cc([]);
	kill ->
	    exit(normal)
    end.



create_app() ->
    ?line Dir = "./",
    ?line App1 = Dir ++ "app1",
    ?line {ok, Fd1} = file:open(App1++".app",[write]),
    ?line io:format(Fd1, "~p. \n", [app1()]),
    ?line file:close(Fd1),
    ?line App2 = Dir ++ "app2",
    ?line {ok, Fd2} = file:open(App2++".app",[write]),
    ?line io:format(Fd2, "~p. \n", [app2()]),
    ?line file:close(Fd2),
    ?line App3 = Dir ++ "app_sp",
    ?line {ok, Fd3} = file:open(App3++".app",[write]),
    ?line io:format(Fd3, "~p. \n", [app_sp()]),
    ?line file:close(Fd3),
    ok.


create_script(ScriptName) ->
    ?line Dir = "./",
    ?line Name = Dir ++ ScriptName,
    ?line Apps = which_applications(),
    ?line {value,{_,_,KernelVer}} = lists:keysearch(kernel,1,Apps),
    ?line {value,{_,_,StdlibVer}} = lists:keysearch(stdlib,1,Apps),
    ?line {ok,Fd} = file:open(Name++".rel",[write]),
    ?line io:format(Fd,
		    "{release, {\"Test release 3\", \"LATEST\"}, \n"
		    " {erts, \"4.4\"}, \n"
		    " [{kernel, \"~s\"}, {stdlib, \"~s\"}, \n"
		    "  {app1, \"2.0\"}, {app2, \"2.0\"}, {app_sp, \"2.0\"}]}.\n",
		    [KernelVer,StdlibVer]),
    ?line file:close(Fd),
    {{KernelVer,StdlibVer},
     {filename:dirname(Name), filename:basename(Name)}}.



create_script_dc(ScriptName) ->
    ?line Dir = "./",
    ?line Name = Dir ++ ScriptName,
    ?line Apps = which_applications(),
    ?line {value,{_,_,KernelVer}} = lists:keysearch(kernel,1,Apps),
    ?line {value,{_,_,StdlibVer}} = lists:keysearch(stdlib,1,Apps),
    ?line {ok,Fd} = file:open(Name++".rel",[write]),
    ?line io:format(Fd,
		    "{release, {\"Test release 3\", \"LATEST\"}, \n"
		    " {erts, \"4.4\"}, \n"
		    " [{kernel, \"~s\"}, {stdlib, \"~s\"}, \n"
		    "  {app1, \"2.0\"}, {app2, \"2.0\"}, {app3, \"2.0\"}, \n"
		    "  {app6, \"2.0\"}, {app7, \"2.0\"}, {app8, \"2.0\"}]}.\n",
		    [KernelVer,StdlibVer]),
    ?line file:close(Fd),
    {{KernelVer,StdlibVer},
     {filename:dirname(Name), filename:basename(Name)}}.


create_script_3002(ScriptName) ->
    ?line Dir = "./",
    ?line Name = Dir ++ ScriptName,
    ?line Apps = which_applications(),
    ?line {value,{_,_,KernelVer}} = lists:keysearch(kernel,1,Apps),
    ?line {value,{_,_,StdlibVer}} = lists:keysearch(stdlib,1,Apps),
    ?line {value,{_,_,SaslVer}} = lists:keysearch(sasl,1,Apps),
    ?line {ok,Fd} = file:open(Name++".rel",[write]),
    ?line io:format(Fd,
		    "{release, {\"Test release 3\", \"LATEST\"}, \n"
		    " {erts, \"4.4\"}, \n"
		    " [{kernel, \"~s\"}, {stdlib, \"~s\"}, \n"
		    "  {sasl, \"~s\"}]}.\n",
		    [KernelVer, StdlibVer, SaslVer]),
    ?line file:close(Fd),
    {{KernelVer,StdlibVer},
     {filename:dirname(Name), filename:basename(Name)}}.



distr_changed_prep(Conf) when is_list(Conf) ->

    % Write .app files
    ?line {ok, Fd1} = file:open("app1.app", [write]),
    ?line w_app1(Fd1),
    ?line file:close(Fd1),
    ?line {ok, Fd2} = file:open("app2.app", [write]),
    ?line w_app2(Fd2),
    ?line file:close(Fd2),
    ?line {ok, Fd3} = file:open("app3.app", [write]),
    ?line w_app3(Fd3),
    ?line file:close(Fd3),
    ?line {ok, Fd4} = file:open("app6.app", [write]),
    ?line w_app6(Fd4),
    ?line file:close(Fd4),
    ?line {ok, Fd5} = file:open("app7.app", [write]),
    ?line w_app7(Fd5),
    ?line file:close(Fd5),
    ?line {ok, Fd6} = file:open("app8.app", [write]),
    ?line w_app8(Fd6),
    ?line file:close(Fd6),


    % Create the .app files and the boot script
    ?line {{KernelVer,StdlibVer}, _} = create_script_dc("dc"),

    ?line case is_real_system(KernelVer, StdlibVer) of
	      true ->
		  Options = [];
	      false  ->
		  Options = [local]
	  end,

    ?line ok = systools:make_script("dc", Options),
    
    NodeNames = [Ncp1, Ncp2, Ncp3] = node_names([cp1, cp2, cp3], Conf),
    NoSyncTime = config_fun_fast(config_dc(NodeNames)),
    WithSyncTime = config_fun(config_dc(NodeNames)),

    ?line Dir = ?config(priv_dir,Conf),
    ?line {ok, Fd_dc2} = file:open(filename:join(Dir, "sys2.config"), [write]),
    ?line (config_dc2(NodeNames))(Fd_dc2),
    ?line file:close(Fd_dc2),
    ?line Config2 = filename:join(Dir, "sys2"),
    
    % Test [cp1, cp2, cp3]
    ?line {ok, Cp1} = start_node_boot_config(Ncp1, NoSyncTime, Conf, dc),
    ?line {ok, Cp2} = start_node_boot_config(Ncp2, NoSyncTime, Conf, dc),
    ?line {ok, Cp3} = start_node_boot_config(Ncp3, WithSyncTime, Conf, dc),
    ?line global:sync(),

    %% Read the current configuration parameters, and change them
    ?line OldEnv = rpc:call(Cp1, application_controller, prep_config_change, []),
    ?line {value, {kernel, OldKernel}} = lists:keysearch(kernel, 1, OldEnv),
    {OldKernel, OldEnv, {Cp1, Cp2, Cp3}, {Ncp1, Ncp2, Ncp3}, Config2}.


%%% Copied from init_SUITE.erl.
is_real_system(KernelVsn, StdlibVsn) ->
    LibDir = code:lib_dir(),
    case file:read_file_info(LibDir ++ "/kernel-" ++ KernelVsn) of
	{ok, _} ->
	    case file:read_file_info(LibDir ++ "/stdlib-" ++ StdlibVsn) of
		{ok, _} ->
		    true;
		_ ->
		    false
	    end;
	_ ->
	    false
    end.
    
init2973() -> 
    loop2973().


loop2973() -> 
    receive
	{start, From, App} ->
	    Res = application:start(App),
	    From ! {self(), res, Res},
	    loop2973();

	kill ->
	    exit(normal)
    end.

wait_for_ready_net() ->
    Nodes = lists:sort([node() | nodes()]),
    ?UNTIL(begin
               lists:all(fun(N) -> Nodes =:= get_known(N) end, Nodes) and
               lists:all(fun(N) -> 
                                 LNs = rpc:call(N, erlang, nodes, []),
                                 Nodes =:= lists:sort([N | LNs])
                         end, Nodes)
           end).

get_known(Node) ->
    case catch gen_server:call({global_name_server,Node}, get_known) of
        {'EXIT', _} ->
            [list, without, nodenames];
        Known -> 
            lists:sort([Node | Known])
    end.

which_applications() ->
    application_controller:which_applications(infinity).

which_applications(Node) ->
    rpc:call(Node, application, which_applications, [infinity]).