Add test suite for the tools application

1 files changed, 309 insertions, 0 deletions

diff --git a/lib/tools/test/cprof_SUITE.erl b/lib/tools/test/cprof_SUITE.erl
new file mode 100644
index 0000000000..e697cc1571
--- /dev/null
+++ b/lib/tools/test/cprof_SUITE.erl
@@ -0,0 +1,309 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2002-2010. 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%
+%%
+
+%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%
+%%% Define to run outside of test server
+%%%
+%%% -define(STANDALONE,1).
+%%%
+%%%
+%%% Define for debug output
+%%%
+%%% -define(debug,1).
+
+-module(cprof_SUITE).
+
+%% Exported end user tests
+-export([basic_test/0, on_load_test/1, modules_test/1]).
+
+%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Test server related stuff
+%%
+
+-ifdef(STANDALONE).
+-define(config(A,B),config(A,B)).
+-export([config/2]).
+-else.
+-include("test_server.hrl").
+-endif.
+ 
+-ifdef(debug).
+-ifdef(STANDALONE).
+-define(line, erlang:display({?MODULE,?LINE}), ).
+-endif.
+-define(dbgformat(A,B),io:format(A,B)).
+-else.
+-ifdef(STANDALONE).
+-define(line, noop, ).
+-endif.
+-define(dbgformat(A,B),noop).
+-endif.
+ 
+-ifdef(STANDALONE).
+config(priv_dir, _) ->
+    ".";
+config(data_dir, _) ->
+    "cprof_SUITE_data".
+-else.
+%% When run in test server.
+-export([all/1, init_per_testcase/2, fin_per_testcase/2, not_run/1]).
+-export([basic/1, on_load/1, modules/1]).
+	 
+init_per_testcase(_Case, Config) ->
+    ?line Dog=test_server:timetrap(test_server:seconds(30)),
+    [{watchdog, Dog}|Config].
+
+fin_per_testcase(_Case, Config) ->
+    erlang:trace_pattern({'_','_','_'}, false, [local,meta,call_count]),
+    erlang:trace_pattern(on_load, false, [local,meta,call_count]),
+    erlang:trace(all, false, [all]),
+    Dog=?config(watchdog, Config),
+    test_server:timetrap_cancel(Dog),
+    ok.
+
+all(doc) ->
+    ["Test the cprof profiling tool."];
+all(suite) ->
+    case test_server:is_native(?MODULE) of
+	true -> [not_run];
+	false -> [basic, on_load, modules]
+%, on_and_off, info, 
+%		  pause_and_restart, combo]
+    end.
+
+not_run(Config) when is_list(Config) -> 
+    {skipped,"Native code"}.
+
+basic(suite) ->
+    [];
+basic(doc) ->
+    ["Tests basic profiling"];
+basic(Config) when is_list(Config) ->
+    basic_test().
+
+on_load(suite) ->
+    [];
+on_load(doc) ->
+    ["Tests profiling of unloaded module"];
+on_load(Config) when is_list(Config) ->
+    on_load_test(Config).
+
+modules(suite) ->
+    [];
+modules(doc) ->
+    ["Tests profiling of several modules"];
+modules(Config) when is_list(Config) ->
+    modules_test(Config).
+
+-endif. %-ifdef(STANDALONE). ... -else.
+
+%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%% The Tests
+%%%
+
+basic_test() ->
+    ?line M = 1000,
+    %%
+    ?line M2 = M*2,
+    ?line M3 = M*3,
+    ?line M2__1 = M2 + 1,
+    ?line M3__1 = M3 + 1,
+    ?line N = cprof:stop(),
+    %%
+    ?line 2 = cprof:start(?MODULE, seq_r),
+    ?line 1 = cprof:start(?MODULE, seq, 3),
+    ?line L = seq(1, M, fun succ/1),
+    ?line Lr = seq_r(1, M, fun succ/1),
+    ?line L = lists:reverse(Lr),
+    %%
+    ?line io:format("~p~n~p~n~p~n", 
+		    [erlang:trace_info({?MODULE,sec_r,3}, all),
+		     erlang:trace_info({?MODULE,sec_r,4}, all),
+		     erlang:trace_info({?MODULE,sec,3}, all)]),
+    %%
+    ?line ModAna1 = {?MODULE,M2__1,[{{?MODULE,seq_r,4},M},
+				   {{?MODULE,seq,3},M},
+				   {{?MODULE,seq_r,3},1}]},
+    ?line ModAna1 = cprof:analyse(?MODULE,0),
+    ?line {M2__1, [ModAna1]} = cprof:analyse(),
+    ?line ModAna1 = cprof:analyse(?MODULE, 1),
+    ?line {M2__1, [ModAna1]} = cprof:analyse(1),
+    %%
+    ?line ModAna2 = {?MODULE,M2__1,[{{?MODULE,seq_r,4},M},
+				   {{?MODULE,seq,3},M}]},
+    ?line ModAna2 = cprof:analyse(?MODULE, 2),
+    ?line {M2__1, [ModAna2]} = cprof:analyse(2),
+    %%
+    2 = cprof:pause(?MODULE, seq_r),
+    ?line L = seq(1, M, fun succ/1),
+    ?line Lr = seq_r(1, M, fun succ/1),
+    %%
+    ?line ModAna3 = {?MODULE,M3__1,[{{?MODULE,seq,3},M2},
+				   {{?MODULE,seq_r,4},M},
+				   {{?MODULE,seq_r,3},1}]},
+    ?line ModAna3 = cprof:analyse(?MODULE),
+    %%
+    ?line N = cprof:pause(),
+    ?line L = seq(1, M, fun succ/1),
+    ?line Lr = seq_r(1, M, fun succ/1),
+    %%
+    ?line {M3__1, [ModAna3]} = cprof:analyse(),
+    %%
+    ?line N = cprof:restart(),
+    ?line L = seq(1, M, fun succ/1),
+    ?line Lr = seq_r(1, M, fun succ/1),
+    %%
+    ?line ModAna1 = cprof:analyse(?MODULE),
+    %%
+    ?line N = cprof:stop(),
+    ?line {?MODULE,0,[]} = cprof:analyse(?MODULE),
+    ?line {0,[]} = cprof:analyse(),
+    ok.
+
+%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+on_load_test(Config) ->
+    ?line Priv = ?config(priv_dir, Config),
+    ?line Data = ?config(data_dir, Config),
+    ?line File = filename:join(Data, "cprof_SUITE_test"),
+    ?line Module = cprof_SUITE_test,
+    ?line M = 1000,
+    %%
+    ?line M2 = M*2,
+    ?line M2__1 = M2 + 1,
+    ?line N1 = cprof:start(),
+
+    ?line {ok,Module} = c:c(File, [{outdir,Priv}]),
+
+    %% If this system is hipe-enabled, the loader may have called module_info/1
+    %% when Module was loaded above. Reset the call count to avoid seeing
+    %% the call in the analysis below.
+
+    ?line 1 = cprof:restart(Module, module_info, 1),
+
+    ?line L = Module:seq(1, M, fun succ/1),
+    ?line Lr = Module:seq_r(1, M, fun succ/1),
+    ?line Lr = lists:reverse(L),
+    ?line N2 = cprof:pause(),
+    ?line N3 = cprof:pause(Module),
+    ?line {Module,M2__1,[{{Module,seq_r,4},M},
+			 {{Module,seq,3},M},
+			 {{Module,seq_r,3},1}]} = cprof:analyse(Module),
+    ?line io:format("~p ~p ~p~n", [N1, N2, N3]),
+    ?line code:purge(Module),
+    ?line code:delete(Module),
+    ?line N4 = N2 - N3,
+    %%
+    ?line N4 = cprof:restart(),
+    ?line {ok,Module} = c:c(File, [{outdir,Priv}]),
+    ?line L = Module:seq(1, M, fun succ/1),
+    ?line Lr = Module:seq_r(1, M, fun succ/1),
+    ?line L = seq(1, M, fun succ/1),
+    ?line Lr = seq_r(1, M, fun succ/1),
+    ?line N2 = cprof:pause(),
+    ?line {Module,0,[]} = cprof:analyse(Module),
+    ?line M_1 = M - 1,
+    ?line M4__4 = M*4 - 4,
+    ?line M10_7 = M*10 - 7,
+    ?line {?MODULE,M10_7,[{{?MODULE,succ,1},M4__4},
+			  {{?MODULE,seq_r,4},M},
+			  {{?MODULE,seq,3},M},
+			  {{?MODULE,'-on_load_test/1-fun-5-',1},M_1},
+			  {{?MODULE,'-on_load_test/1-fun-4-',1},M_1},
+			  {{?MODULE,'-on_load_test/1-fun-3-',1},M_1},
+			  {{?MODULE,'-on_load_test/1-fun-2-',1},M_1},
+			  {{?MODULE,seq_r,3},1}]} 
+	= cprof:analyse(?MODULE),
+    ?line N2 = cprof:stop(),
+    ok.
+
+%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+modules_test(Config) ->
+    ?line Priv = ?config(priv_dir, Config),
+    ?line Data = ?config(data_dir, Config),
+    ?line File = filename:join(Data, "cprof_SUITE_test"),
+    ?line Module = cprof_SUITE_test,
+    ?line {ok,Module} = c:c(File, [{outdir,Priv}]),
+    ?line M = 10,
+    %%
+    ?line M2 = M*2,
+    ?line M2__1 = M2 + 1,
+    ?line erlang:yield(),
+    ?line N = cprof:start(),
+    ?line L = Module:seq(1, M, fun succ/1),
+    ?line Lr = Module:seq_r(1, M, fun succ/1),
+    ?line L = seq(1, M, fun succ/1),
+    ?line Lr = seq_r(1, M, fun succ/1),
+    ?line N = cprof:pause(),
+    ?line Lr = lists:reverse(L),
+    ?line M_1 = M - 1,
+    ?line M4_4 = M*4 - 4,
+    ?line M10_7 = M*10 - 7,
+    ?line M2__1 = M*2 + 1,
+    ?line {Tot,ModList} = cprof:analyse(),
+    ?line {value,{?MODULE,M10_7,[{{?MODULE,succ,1},M4_4},
+				 {{?MODULE,seq_r,4},M},
+				 {{?MODULE,seq,3},M},
+				 {{?MODULE,'-modules_test/1-fun-3-',1},M_1},
+				 {{?MODULE,'-modules_test/1-fun-2-',1},M_1},
+				 {{?MODULE,'-modules_test/1-fun-1-',1},M_1},
+				 {{?MODULE,'-modules_test/1-fun-0-',1},M_1},
+				 {{?MODULE,seq_r,3},1}]}} =
+	lists:keysearch(?MODULE, 1, ModList),
+    ?line {value,{Module,M2__1,[{{Module,seq_r,4},M},
+				{{Module,seq,3},M},
+				{{Module,seq_r,3},1}]}} = 
+	lists:keysearch(Module, 1, ModList),
+    ?line Tot = lists:foldl(fun ({_,C,_}, A) -> C+A end, 0, ModList),
+    ?line {cprof,_,Prof} = cprof:analyse(cprof),
+    ?line {value,{{cprof,pause,0},1}} = 
+	lists:keysearch({cprof,pause,0}, 1, Prof),
+    ?line N = cprof:stop(),
+    ok.
+
+
+
+%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Local helpers
+
+
+
+%% Stack recursive seq
+seq(Stop, Stop, Succ) when is_function(Succ) ->
+    [Stop];
+seq(Start, Stop, Succ) when is_function(Succ) ->
+    [Start | seq(Succ(Start), Stop, Succ)].
+
+
+
+%% Tail recursive seq, result list is reversed
+seq_r(Start, Stop, Succ) when is_function(Succ) ->
+    seq_r(Start, Stop, Succ, []).
+
+seq_r(Stop, Stop, _, R) ->
+    [Stop | R];
+seq_r(Start, Stop, Succ, R) ->
+    seq_r(Succ(Start), Stop, Succ, [Start | R]).
+
+
+
+%% Successor
+succ(X) -> X+1.