Update eprof_SUITE with more basic tests

2 files changed, 79 insertions, 2 deletions

diff --git a/lib/tools/test/eprof_SUITE.erl b/lib/tools/test/eprof_SUITE.erl
index cd0a9e8e51..71e7eea56b 100644
--- a/lib/tools/test/eprof_SUITE.erl
+++ b/lib/tools/test/eprof_SUITE.erl
@@ -20,10 +20,78 @@
 
 -include("test_server.hrl").
 
--export([all/1,tiny/1,eed/1]).
+-export([all/1,tiny/1,eed/1,basic/1]).
 
-all(suite) -> [tiny,eed].
+all(suite) -> [basic,tiny,eed].
 
+basic(suite) -> [];
+basic(Config) when is_list(Config) ->
+
+    %% load eprof_test and change directory
+
+    ?line {ok, OldCurDir} = file:get_cwd(),
+    Datadir = ?config(data_dir, Config),
+    Privdir = ?config(priv_dir, Config),
+    ?line {ok,eprof_test} = compile:file(filename:join(Datadir, "eprof_test"),
+					       [trace,{outdir, Privdir}]),
+    ?line ok = file:set_cwd(Privdir),
+    ?line code:purge(eprof_test),
+    ?line {module,eprof_test} = code:load_file(eprof_test),
+
+    %% rootset profiling
+
+    ?line ensure_eprof_stopped(),
+    ?line profiling = eprof:profile([self()]),
+    ?line {error, already_profiling} = eprof:profile([self()]),
+    ?line profiling_stopped = eprof:stop_profiling(),
+    ?line profiling_already_stopped = eprof:stop_profiling(),
+    ?line profiling = eprof:start_profiling([self(),self(),self()]),
+    ?line profiling_stopped = eprof:stop_profiling(),
+
+    %% with patterns
+
+    ?line profiling = eprof:start_profiling([self()], {?MODULE, '_', '_'}),
+    ?line {error, already_profiling} = eprof:start_profiling([self()], {?MODULE, '_', '_'}),
+    ?line profiling_stopped = eprof:stop_profiling(),
+    ?line profiling = eprof:start_profiling([self()], {?MODULE, start_stop, '_'}),
+    ?line profiling_stopped = eprof:stop_profiling(),
+    ?line profiling = eprof:start_profiling([self()], {?MODULE, start_stop, 1}),
+    ?line profiling_stopped = eprof:stop_profiling(),
+
+    %% with fun
+
+    ?line {ok, _} = eprof:profile(fun() -> eprof_test:go(10) end),
+    ?line profiling = eprof:profile([self()]),
+    ?line {error, already_profiling} = eprof:profile(fun() -> eprof_test:go(10) end),
+    ?line profiling_stopped = eprof:stop_profiling(),
+    ?line {ok, _} = eprof:profile(fun() -> eprof_test:go(10) end),
+    ?line {ok, _} = eprof:profile([], fun() -> eprof_test:go(10) end),
+    ?line {ok, _} = eprof:profile(erlang:processes(), fun() -> eprof_test:go(10) end),
+    ?line {ok, _} = eprof:profile([], fun() -> eprof_test:go(10) end, {eprof_test, '_', '_'}),
+    ?line {ok, _} = eprof:profile([], fun() -> eprof_test:go(10) end, {eprof_test, go, '_'}),
+    ?line {ok, _} = eprof:profile([], fun() -> eprof_test:go(10) end, {eprof_test, go, 1}),
+    ?line {ok, _} = eprof:profile([self()], fun() -> eprof_test:go(10) end, {eprof_test, go, 1}),
+    ?line {ok, _} = eprof:profile([], fun() -> eprof_test:go(10) end, {eprof_test, dec, 1}),
+
+    %% with mfa
+
+    ?line {ok, _} = eprof:profile([], eprof_test, go, [10]),
+    ?line {ok, _} = eprof:profile([], {eprof_test, dec, 1}, eprof_test, go, [10]),
+
+    %% dump
+
+    ?line {ok, _} = eprof:profile([], fun() -> eprof_test:go(10) end, {eprof_test, '_', '_'}),
+    ?line [{_, Mfas}] = eprof:dump(),
+    ?line Dec_mfa = {eprof_test, dec, 1},
+    ?line Go_mfa  = {eprof_test, go,  1},
+    ?line {value, {Go_mfa,  { 1, _Time1}}} = lists:keysearch(Go_mfa,  1, Mfas),
+    ?line {value, {Dec_mfa, {11, _Time2}}} = lists:keysearch(Dec_mfa, 1, Mfas),
+
+    %% change current working directory
+
+    ?line ok = file:set_cwd(OldCurDir),
+    ?line stopped = eprof:stop(),
+    ok.
 
 tiny(suite) -> [];
 tiny(Config) when is_list(Config) -> 
diff --git a/lib/tools/test/eprof_SUITE_data/eprof_test.erl b/lib/tools/test/eprof_SUITE_data/eprof_test.erl
new file mode 100644
index 0000000000..33c428e893
--- /dev/null
+++ b/lib/tools/test/eprof_SUITE_data/eprof_test.erl
@@ -0,0 +1,9 @@
+-module(eprof_test).
+-export([go/1]).
+
+go(N) ->
+    0 = dec(N),
+    ok.
+
+dec(0) -> 0;
+dec(N) -> dec(N - 1).