aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/test/smoke_test_SUITE.erl
blob: 45b28b28a5cbb8c09e44850b89052c6998ec6d17 (plain) (blame)
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
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2011-2016. 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(smoke_test_SUITE).

-include_lib("common_test/include/ct.hrl").

%-compile(export_all).
-export([all/0, suite/0,
	 init_per_testcase/2, end_per_testcase/2]).

-export([boot_combo/1, native_atomics/1, jump_table/1]).

suite() ->
    [{ct_hooks,[ts_install_cth]},
     {timetrap, {minutes, 2}}].

all() -> 
    [boot_combo, native_atomics, jump_table].

init_per_testcase(boot_combo = Case, Config) when is_list(Config) ->
    case erlang:system_info(build_type) of
	opt ->
	    init_per_tc(Case, Config);
	_ ->
	    {skip,"Cannot test boot_combo in special builds since beam.* may not exist"}
    end;
init_per_testcase(Case, Config) when is_list(Config) ->
    init_per_tc(Case, Config).

init_per_tc(Case, Config) ->
    [{testcase, Case}|Config].

end_per_testcase(_Case, Config) when is_list(Config) ->
    ok.

%%%
%%% The test cases -------------------------------------------------------------
%%%

boot_combo(Config) when is_list(Config) ->
    ZFlags = os:getenv("ERL_ZFLAGS"),
    NOOP = fun () -> ok end,
    A42 = fun () ->
		  case erlang:system_info(threads) of
		      true ->
			  42 = erlang:system_info(thread_pool_size);
		      false ->
			  ok
		  end
	  end,
    try
	chk_boot(Config, "+Ktrue", NOOP),
	chk_boot(Config, "+A42", A42),
	chk_boot(Config, "+Ktrue +A42", A42),
	%% A lot more combos could be implemented...
	ok
    after
	os:putenv("ERL_ZFLAGS", case ZFlags of
				    false -> "";
				    _ -> ZFlags
				end)
    end.

native_atomics(Config) when is_list(Config) ->
    NA32Key = "32-bit native atomics",
    NA64Key = "64-bit native atomics",
    DWNAKey = "Double word native atomics",
    EthreadInfo = erlang:system_info(ethread_info),
    io:format("~p~n", [EthreadInfo]),
    {value,{NA32Key, NA32, _}} = lists:keysearch(NA32Key, 1, EthreadInfo),
    {value,{NA64Key, NA64, _}} = lists:keysearch(NA64Key, 1, EthreadInfo),
    {value,{DWNAKey, DWNA, _}} = lists:keysearch(DWNAKey, 1, EthreadInfo),
    case {erlang:system_info(build_type), erlang:system_info(smp_support), NA32, NA64, DWNA} of
	{opt, true, "no", "no", _} ->
	    ct:fail(optimized_smp_runtime_without_native_atomics);
	{_, false, "no", "no", _} ->
	    {comment, "No native atomics"};
	_ ->
	    {comment,
	     NA32 ++ " 32-bit, "
	     ++ NA64 ++ " 64-bit, and "
	     ++ DWNA ++ " double word native atomics"}
    end.

jump_table(Config) when is_list(Config) ->
    case erlang:system_info(beam_jump_table) of
	true ->
	    ok;
	false ->
	    case erlang:system_info(build_type) of
		opt ->
		    ct:fail(optimized_without_beam_jump_table);
		BT ->
		    {comment, "No beam jump table, but build type is " ++ atom_to_list(BT)}
	    end
    end.
	    

%%%
%%% Aux functions --------------------------------------------------------------
%%%

chk_boot(Config, Args, Fun) ->
    true = os:putenv("ERL_ZFLAGS", Args),
    Success = make_ref(),
    Parent = self(),
    io:format("--- Testing ~s~n", [Args]),
    {ok, Node} = start_node(Config),
    Pid = spawn_link(Node, fun () ->
				   Fun(),
				   Parent ! {self(), Success}
			   end),
    receive
	{Pid, Success} ->
	    Node = node(Pid),
	    stop_node(Node),
	    io:format("--- Success!~n", []),
	    ok
    end.

start_node(Config) ->
    start_node(Config, "").

start_node(Config, Args) when is_list(Config) ->
    Pa = filename:dirname(code:which(?MODULE)),
    Name = list_to_atom(atom_to_list(?MODULE)
	      ++ "-"
	      ++ atom_to_list(proplists:get_value(testcase, Config))
	      ++ "-"
	      ++ integer_to_list(erlang:system_time(second))
	      ++ "-"
	      ++ integer_to_list(erlang:unique_integer([positive]))),
    Opts = [{args, "-pa "++Pa++" "++Args}],
    test_server:start_node(Name, slave, Opts).

stop_node(Node) ->
    test_server:stop_node(Node).