1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
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
|
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2006-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%
-module(andor_SUITE).
-export([all/0, suite/0,groups/0,init_per_group/2,end_per_group/2,
init_per_testcase/2,end_per_testcase/2,
init_per_suite/1,end_per_suite/1,
t_andalso/1,t_orelse/1,inside/1,overlap/1,
combined/1,in_case/1]).
-include_lib("common_test/include/ct.hrl").
suite() ->
[{ct_hooks,[ts_install_cth]},
{timetrap,{minutes,1}}].
all() ->
cases().
groups() ->
[].
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
init_per_testcase(_Case, Config) ->
test_lib:interpret(?MODULE),
Config.
end_per_testcase(_Case, _Config) ->
ok.
init_per_suite(Config) when is_list(Config) ->
?line test_lib:interpret(?MODULE),
?line true = lists:member(?MODULE, int:interpreted()),
Config.
end_per_suite(Config) when is_list(Config) ->
ok.
cases() ->
[t_andalso, t_orelse, inside, overlap, combined,
in_case].
t_andalso(Config) when is_list(Config) ->
Bs = [true,false],
Ps = [{X,Y} || X <- Bs, Y <- Bs],
lists:foreach(fun (P) -> t_andalso_1(P) end, Ps),
?line true = true andalso true,
?line false = true andalso false,
?line false = false andalso true,
?line false = false andalso false,
?line false = false andalso glurf,
?line false = false andalso exit(exit_now),
?line true = not id(false) andalso not id(false),
?line false = not id(false) andalso not id(true),
?line false = not id(true) andalso not id(false),
?line false = not id(true) andalso not id(true),
?line {'EXIT',{badarg,_}} = (catch not id(glurf) andalso id(true)),
?line {'EXIT',{badarg,_}} = (catch not id(false) andalso not id(glurf)),
?line false = id(false) andalso not id(glurf),
?line false = false andalso not id(glurf),
ok.
t_orelse(Config) when is_list(Config) ->
Bs = [true,false],
Ps = [{X,Y} || X <- Bs, Y <- Bs],
lists:foreach(fun (P) -> t_orelse_1(P) end, Ps),
?line true = true orelse true,
?line true = true orelse false,
?line true = false orelse true,
?line false = false orelse false,
?line true = true orelse glurf,
?line true = true orelse exit(exit_now),
?line true = not id(false) orelse not id(false),
?line true = not id(false) orelse not id(true),
?line true = not id(true) orelse not id(false),
?line false = not id(true) orelse not id(true),
?line {'EXIT',{badarg,_}} = (catch not id(glurf) orelse id(true)),
?line {'EXIT',{badarg,_}} = (catch not id(true) orelse not id(glurf)),
?line true = id(true) orelse not id(glurf),
?line true = true orelse not id(glurf),
ok.
t_andalso_1({X,Y}) ->
io:fwrite("~w andalso ~w: ",[X,Y]),
V1 = echo(X) andalso echo(Y),
V1 = if
X andalso Y -> true;
true -> false
end,
check(V1, X and Y).
t_orelse_1({X,Y}) ->
io:fwrite("~w orelse ~w: ",[X,Y]),
V1 = echo(X) orelse echo(Y),
V1 = if
X orelse Y -> true;
true -> false
end,
check(V1, X or Y).
inside(Config) when is_list(Config) ->
?line true = inside(-8, 1),
?line false = inside(-53.5, -879798),
?line false = inside(1.0, -879),
?line false = inside(59, -879),
?line false = inside(-11, 1.0),
?line false = inside(100, 0.2),
?line false = inside(100, 1.2),
?line false = inside(-53.5, 4),
?line false = inside(1.0, 5.3),
?line false = inside(59, 879),
ok.
inside(Xm, Ym) ->
X = -10.0,
Y = -2.0,
W = 20.0,
H = 4.0,
Res = inside(Xm, Ym, X, Y, W, H),
Res = if
X =< Xm andalso Xm < X+W andalso Y =< Ym andalso Ym < Y+H -> true;
true -> false
end,
case not id(Res) of
Outside ->
Outside = if
not(X =< Xm andalso Xm < X+W andalso Y =< Ym andalso Ym < Y+H) -> true;
true -> false
end
end,
{Res,Xm,Ym,X,Y,W,H} = inside_guard(Xm, Ym, X, Y, W, H),
io:format("~p =< ~p andalso ~p < ~p andalso ~p =< ~p andalso ~p < ~p ==> ~p",
[X,Xm,Xm,X+W,Y,Ym,Ym,Y+H,Res]),
Res.
inside(Xm, Ym, X, Y, W, H) ->
X =< Xm andalso Xm < X+W andalso Y =< Ym andalso Ym < Y+H.
inside_guard(Xm, Ym, X, Y, W, H) when X =< Xm andalso Xm < X+W
andalso Y =< Ym andalso Ym < Y+H ->
{true,Xm,Ym,X,Y,W,H};
inside_guard(Xm, Ym, X, Y, W, H) ->
{false,Xm,Ym,X,Y,W,H}.
overlap(Config) when is_list(Config) ->
?line true = overlap(7.0, 2.0, 8.0, 0.5),
?line true = overlap(7.0, 2.0, 8.0, 2.5),
?line true = overlap(7.0, 2.0, 5.3, 2),
?line true = overlap(7.0, 2.0, 0.0, 100.0),
?line false = overlap(-1, 2, -35, 0.5),
?line false = overlap(-1, 2, 777, 0.5),
?line false = overlap(-1, 2, 2, 10),
?line false = overlap(2, 10, 12, 55.3),
ok.
overlap(Pos1, Len1, Pos2, Len2) ->
Res = case Pos1 of
Pos1 when (Pos2 =< Pos1 andalso Pos1 < Pos2+Len2)
orelse (Pos1 =< Pos2 andalso Pos2 < Pos1+Len1) ->
true;
Pos1 -> false
end,
Res = (Pos2 =< Pos1 andalso Pos1 < Pos2+Len2)
orelse (Pos1 =< Pos2 andalso Pos2 < Pos1+Len1),
Res = case Pos1 of
Pos1 when (Pos2 =< Pos1 andalso Pos1 < Pos2+Len2)
orelse (Pos1 =< Pos2 andalso Pos2 < Pos1+Len1) ->
true;
Pos1 -> false
end,
id(Res).
-define(COMB(A,B,C), (A andalso B orelse C)).
combined(Config) when is_list(Config) ->
?line false = comb(false, false, false),
?line true = comb(false, false, true),
?line false = comb(false, true, false),
?line true = comb(false, true, true),
?line false = comb(true, false, false),
?line true = comb(true, true, false),
?line true = comb(true, false, true),
?line true = comb(true, true, true),
?line false = comb(false, blurf, false),
?line true = comb(false, blurf, true),
?line true = comb(true, true, blurf),
?line false = ?COMB(false, false, false),
?line true = ?COMB(false, false, true),
?line false = ?COMB(false, true, false),
?line true = ?COMB(false, true, true),
?line false = ?COMB(true, false, false),
?line true = ?COMB(true, true, false),
?line true = ?COMB(true, false, true),
?line true = ?COMB(true, true, true),
?line false = ?COMB(false, blurf, false),
?line true = ?COMB(false, blurf, true),
?line true = ?COMB(true, true, blurf),
ok.
-undef(COMB).
comb(A, B, C) ->
Res = A andalso B orelse C,
Res = if
A andalso B orelse C -> true;
true -> false
end,
NotRes = if
not(A andalso B orelse C) -> true;
true -> false
end,
NotRes = id(not Res),
Res = A andalso B orelse C,
Res = if
A andalso B orelse C -> true;
true -> false
end,
NotRes = id(not Res),
Res = if
A andalso B orelse C -> true;
true -> false
end,
id(Res).
%% Test that a boolean expression in a case expression is properly
%% optimized (in particular, that the error behaviour is correct).
in_case(Config) when is_list(Config) ->
?line edge_rings = in_case_1(1, 1, 1, 1, 1),
?line not_loop = in_case_1(0.5, 1, 1, 1, 1),
?line loop = in_case_1(0.5, 0.9, 1.1, 1, 4),
?line {'EXIT',{badarith,_}} = (catch in_case_1(1, 1, 1, 1, 0)),
?line {'EXIT',{badarith,_}} = (catch in_case_1(1, 1, 1, 1, nan)),
?line {'EXIT',{badarg,_}} = (catch in_case_1(1, 1, 1, blurf, 1)),
?line {'EXIT',{badarith,_}} = (catch in_case_1([nan], 1, 1, 1, 1)),
ok.
in_case_1(LenUp, LenDw, LenN, Rotation, Count) ->
Res = in_case_1_body(LenUp, LenDw, LenN, Rotation, Count),
Res = in_case_1_guard(LenUp, LenDw, LenN, Rotation, Count),
Res.
in_case_1_body(LenUp, LenDw, LenN, Rotation, Count) ->
case (LenUp/Count > 0.707) and (LenN/Count > 0.707) and
(abs(Rotation) > 0.707) of
true ->
edge_rings;
false ->
case (LenUp >= 1) or (LenDw >= 1) or
(LenN =< 1) or (Count < 4) of
true ->
not_loop;
false ->
loop
end
end.
in_case_1_guard(LenUp, LenDw, LenN, Rotation, Count) ->
case (LenUp/Count > 0.707) andalso (LenN/Count > 0.707) andalso
(abs(Rotation) > 0.707) of
true -> edge_rings;
false when LenUp >= 1 orelse LenDw >= 1 orelse
LenN =< 1 orelse Count < 4 -> not_loop;
false -> loop
end.
check(V1, V0) ->
if V1 /= V0 ->
io:fwrite("error: ~w.\n", [V1]),
?t:fail();
true ->
io:fwrite("ok: ~w.\n", [V1])
end.
echo(X) ->
io:fwrite("eval(~w); ",[X]),
X.
id(I) -> I.
|
