diff options
Diffstat (limited to 'erts/emulator/test/statistics_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/statistics_SUITE.erl | 65 |
1 files changed, 26 insertions, 39 deletions
diff --git a/erts/emulator/test/statistics_SUITE.erl b/erts/emulator/test/statistics_SUITE.erl index 8279d374ee..af55ded470 100644 --- a/erts/emulator/test/statistics_SUITE.erl +++ b/erts/emulator/test/statistics_SUITE.erl @@ -78,9 +78,8 @@ end_per_group(_GroupName, Config) -> %%% Testing statistics(wall_clock). -wall_clock_zero_diff(doc) -> - "Tests that the 'Wall clock since last call' element of the result " - "is zero when statistics(runtime) is called twice in succession."; +%% Tests that the 'Wall clock since last call' element of the result +%% is zero when statistics(runtime) is called twice in succession. wall_clock_zero_diff(Config) when is_list(Config) -> wall_clock_zero_diff1(16). @@ -93,10 +92,9 @@ wall_clock_zero_diff1(N) when N > 0 -> wall_clock_zero_diff1(0) -> ct:fail("Difference never zero."). -wall_clock_update(doc) -> - "Test that the time differences returned by two calls to " - "statistics(wall_clock) are compatible, and are within a small number " - "of ms of the amount of real time we waited for."; +%% Test that the time differences returned by two calls to +%% statistics(wall_clock) are compatible, and are within a small number +%% of ms of the amount of real time we waited for. wall_clock_update(Config) when is_list(Config) -> wall_clock_update1(6). @@ -122,9 +120,8 @@ wall_clock_update1(0) -> %%% Test statistics(runtime). -runtime_zero_diff(doc) -> - "Tests that the difference between the times returned from two consectuitive " - "calls to statistics(runtime) is zero."; +%% Tests that the difference between the times returned from two consectuitive +%% calls to statistics(runtime) is zero. runtime_zero_diff(Config) when is_list(Config) -> ?line runtime_zero_diff1(16). @@ -137,10 +134,9 @@ runtime_zero_diff1(N) when N > 0 -> runtime_zero_diff1(0) -> ct:fail("statistics(runtime) never returned zero difference"). -runtime_update(doc) -> - "Test that the statistics(runtime) returns a substanstially " - "updated difference after running a process that takes all CPU " - " power of the Erlang process for a second."; +%% Test that the statistics(runtime) returns a substanstially +%% updated difference after running a process that takes all CPU +%% power of the Erlang process for a second. runtime_update(Config) when is_list(Config) -> case test_server:is_cover() of false -> @@ -167,10 +163,9 @@ do_runtime_update(N) -> cpu_heavy() -> cpu_heavy(). -runtime_diff(doc) -> - "Test that the difference between two consecutive absolute runtimes is " - "equal to the last relative runtime. The loop runs a lot of times since " - "the bug which this test case tests for showed up only rarely."; +%% Test that the difference between two consecutive absolute runtimes is +%% equal to the last relative runtime. The loop runs a lot of times since +%% the bug which this test case tests for showed up only rarely. runtime_diff(Config) when is_list(Config) -> runtime_diff1(1000). @@ -196,10 +191,9 @@ do_much(N) -> do_much(N-1). -reductions(doc) -> - "Test that statistics(reductions) is callable, and that " - "Total_Reductions and Reductions_Since_Last_Call make sense. " - "(This to fail on pre-R3A version of JAM."; +%% Test that statistics(reductions) is callable, and that +%% Total_Reductions and Reductions_Since_Last_Call make sense. +%% This to fail on pre-R3A version of JAM. reductions(Config) when is_list(Config) -> {Reductions, _} = statistics(reductions), @@ -227,8 +221,7 @@ build_some_garbage() -> %% a garbage collection in the scheduler. processes(). -reductions_big(doc) -> - "Test that the number of reductions can be returned as a big number."; +%% Test that the number of reductions can be returned as a big number. reductions_big(Config) when is_list(Config) -> ?line reductions_big_loop(), ok. @@ -246,9 +239,8 @@ reductions_big_loop() -> %%% Tests of statistics(run_queue). -run_queue_one(doc) -> - "Tests that statistics(run_queue) returns 1 if we start a " - "CPU-bound process."; +%% Tests that statistics(run_queue) returns 1 if we start a +%% CPU-bound process. run_queue_one(Config) when is_list(Config) -> ?line MS = erlang:system_flag(multi_scheduling, block), ?line run_queue_one_test(Config), @@ -294,8 +286,7 @@ hog_iter(0, Mon) -> %%% Tests of statistics(scheduler_wall_time). -scheduler_wall_time(doc) -> - "Tests that statistics(scheduler_wall_time) works as intended"; +%% Tests that statistics(scheduler_wall_time) works as intended scheduler_wall_time(Config) when is_list(Config) -> %% Should return undefined if system_flag is not turned on yet undefined = statistics(scheduler_wall_time), @@ -360,9 +351,8 @@ load_percentage([{Id, WN, TN}|Ss], [{Id, WP, TP}|Ps]) -> load_percentage([], []) -> []. -garbage_collection(doc) -> - "Tests that statistics(garbage_collection) is callable. " - "It is not clear how to test anything more."; +%% Tests that statistics(garbage_collection) is callable. +%% It is not clear how to test anything more. garbage_collection(Config) when is_list(Config) -> ?line Bin = list_to_binary(lists:duplicate(19999, 42)), ?line case statistics(garbage_collection) of @@ -387,16 +377,14 @@ garbage_collection_1(Gcs0, Bin) -> end end. -io(doc) -> - "Tests that statistics(io) is callable. " - "This could be improved to test something more."; +%% Tests that statistics(io) is callable. +%% This could be improved to test something more. io(Config) when is_list(Config) -> ?line case statistics(io) of {{input,In},{output,Out}} when is_integer(In), is_integer(Out) -> ok end. -badarg(doc) -> - "Tests that some illegal arguments to statistics fails."; +%% Tests that some illegal arguments to statistics fails. badarg(Config) when is_list(Config) -> ?line case catch statistics(1) of {'EXIT', {badarg, _}} -> ok @@ -465,8 +453,7 @@ run_queues_lengths_active_tasks(Config) -> ok. -msacc(doc) -> - "Tests that statistics(microstate_statistics) works."; +%% Tests that statistics(microstate_statistics) works. msacc(Config) -> %% Test if crypto nif is available |