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-rw-r--r--lib/stdlib/test/rand_SUITE.erl85
1 files changed, 27 insertions, 58 deletions
diff --git a/lib/stdlib/test/rand_SUITE.erl b/lib/stdlib/test/rand_SUITE.erl
index ab260da950..cb778c96d4 100644
--- a/lib/stdlib/test/rand_SUITE.erl
+++ b/lib/stdlib/test/rand_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2000-2011. All Rights Reserved.
+%% Copyright Ericsson AB 2000-2016. 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.
@@ -18,55 +18,35 @@
%% %CopyrightEnd%
-module(rand_SUITE).
--export([all/0, suite/0,groups/0,
- init_per_suite/1, end_per_suite/1,
- init_per_group/2,end_per_group/2,
- init_per_testcase/2, end_per_testcase/2
- ]).
+-export([all/0, suite/0,groups/0]).
-export([interval_int/1, interval_float/1, seed/1,
api_eq/1, reference/1,
basic_stats_uniform_1/1, basic_stats_uniform_2/1,
basic_stats_normal/1,
- plugin/1, measure/1
- ]).
+ plugin/1, measure/1]).
-export([test/0, gen/1]).
-include_lib("common_test/include/ct.hrl").
-% Default timetrap timeout (set in init_per_testcase).
--define(default_timeout, ?t:minutes(3)).
-define(LOOP, 1000000).
-init_per_testcase(_Case, Config) ->
- Dog = ?t:timetrap(?default_timeout),
- [{watchdog, Dog} | Config].
-end_per_testcase(_Case, Config) ->
- Dog = ?config(watchdog, Config),
- test_server:timetrap_cancel(Dog),
- ok.
-
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+ [{ct_hooks,[ts_install_cth]},
+ {timetrap,{minutes,3}}].
all() ->
[seed, interval_int, interval_float,
api_eq,
reference,
{group, basic_stats},
- plugin, measure
- ].
+ plugin, measure].
groups() ->
[{basic_stats, [parallel],
[basic_stats_uniform_1, basic_stats_uniform_2, basic_stats_normal]}].
-init_per_suite(Config) -> Config.
-end_per_suite(_Config) -> ok.
-
-init_per_group(_GroupName, Config) -> Config.
-end_per_group(_GroupName, Config) -> Config.
-
%% A simple helper to test without test_server during dev
test() ->
Tests = all(),
@@ -85,16 +65,13 @@ algs() ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-seed(doc) ->
- ["Test that seed and seed_s and export_seed/0 is working."];
-seed(suite) ->
- [];
+%% Test that seed and seed_s and export_seed/0 is working.
seed(Config) when is_list(Config) ->
Algs = algs(),
Test = fun(Alg) ->
try seed_1(Alg)
catch _:Reason ->
- test_server:fail({Alg, Reason, erlang:get_stacktrace()})
+ ct:fail({Alg, Reason, erlang:get_stacktrace()})
end
end,
[Test(Alg) || Alg <- Algs],
@@ -139,10 +116,7 @@ seed_1(Alg) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-api_eq(doc) ->
- ["Check that both api's are consistent with each other."];
-api_eq(suite) ->
- [];
+%% Check that both APIs are consistent with each other.
api_eq(_Config) ->
Algs = algs(),
Small = fun(Alg) ->
@@ -188,10 +162,7 @@ api_eq_1(S00) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-interval_int(doc) ->
- ["Check that uniform/1 returns values within the proper interval."];
-interval_int(suite) ->
- [];
+%% Check that uniform/1 returns values within the proper interval.
interval_int(Config) when is_list(Config) ->
Algs = algs(),
Small = fun(Alg) ->
@@ -225,10 +196,7 @@ interval_int_1(N, Top, Max) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-interval_float(doc) ->
- ["Check that uniform/0 returns values within the proper interval."];
-interval_float(suite) ->
- [];
+%% Check that uniform/0 returns values within the proper interval.
interval_float(Config) when is_list(Config) ->
Algs = algs(),
Test = fun(Alg) ->
@@ -252,8 +220,7 @@ interval_float_1(N) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-reference(doc) -> ["Check if exs64 algorithm generates the proper sequence."];
-reference(suite) -> [];
+%% Check if exs64 algorithm generates the proper sequence.
reference(Config) when is_list(Config) ->
[reference_1(Alg) || Alg <- algs()],
ok.
@@ -267,7 +234,6 @@ reference_1(Alg) ->
io:format("Failed: ~p~n",[Alg]),
io:format("Length ~p ~p~n",[length(Refval), length(Testval)]),
io:format("Head ~p ~p~n",[hd(Refval), hd(Testval)]),
- %% test_server:fail({Alg, Refval -- Testval}),
ok
end.
@@ -301,16 +267,19 @@ gen(_, _, Acc) -> lists:reverse(Acc).
%% Check that the algorithms generate sound values.
basic_stats_uniform_1(Config) when is_list(Config) ->
+ ct:timetrap({minutes,6}), %% valgrind needs a lot of time
[basic_uniform_1(?LOOP, rand:seed_s(Alg), 0.0, array:new([{default, 0}]))
|| Alg <- algs()],
ok.
basic_stats_uniform_2(Config) when is_list(Config) ->
+ ct:timetrap({minutes,6}), %% valgrind needs a lot of time
[basic_uniform_2(?LOOP, rand:seed_s(Alg), 0, array:new([{default, 0}]))
|| Alg <- algs()],
ok.
basic_stats_normal(Config) when is_list(Config) ->
+ ct:timetrap({minutes,6}), %% valgrind needs a lot of time
io:format("Testing normal~n",[]),
[basic_normal_1(?LOOP, rand:seed_s(Alg), 0, 0) || Alg <- algs()],
ok.
@@ -330,9 +299,9 @@ basic_uniform_1(0, {#{type:=Alg}, _}, Sum, A) ->
%% Verify that the basic statistics are ok
%% be gentle we don't want to see to many failing tests
- abs(0.5 - AverN) < 0.005 orelse test_server:fail({average, Alg, AverN}),
- abs(?LOOP div 100 - Min) < 1000 orelse test_server:fail({min, Alg, Min}),
- abs(?LOOP div 100 - Max) < 1000 orelse test_server:fail({max, Alg, Max}),
+ abs(0.5 - AverN) < 0.005 orelse ct:fail({average, Alg, AverN}),
+ abs(?LOOP div 100 - Min) < 1000 orelse ct:fail({min, Alg, Min}),
+ abs(?LOOP div 100 - Max) < 1000 orelse ct:fail({max, Alg, Max}),
ok.
basic_uniform_2(N, S0, Sum, A0) when N > 0 ->
@@ -349,9 +318,9 @@ basic_uniform_2(0, {#{type:=Alg}, _}, Sum, A) ->
%% Verify that the basic statistics are ok
%% be gentle we don't want to see to many failing tests
- abs(50.5 - AverN) < 0.5 orelse test_server:fail({average, Alg, AverN}),
- abs(?LOOP div 100 - Min) < 1000 orelse test_server:fail({min, Alg, Min}),
- abs(?LOOP div 100 - Max) < 1000 orelse test_server:fail({max, Alg, Max}),
+ abs(50.5 - AverN) < 0.5 orelse ct:fail({average, Alg, AverN}),
+ abs(?LOOP div 100 - Min) < 1000 orelse ct:fail({min, Alg, Min}),
+ abs(?LOOP div 100 - Max) < 1000 orelse ct:fail({max, Alg, Max}),
ok.
basic_normal_1(N, S0, Sum, Sq) when N > 0 ->
@@ -363,14 +332,13 @@ basic_normal_1(0, {#{type:=Alg}, _}, Sum, SumSq) ->
io:format("~.10w: Average: ~7.4f StdDev ~6.4f~n", [Alg, Mean, StdDev]),
%% Verify that the basic statistics are ok
%% be gentle we don't want to see to many failing tests
- abs(Mean) < 0.005 orelse test_server:fail({average, Alg, Mean}),
- abs(StdDev - 1.0) < 0.005 orelse test_server:fail({stddev, Alg, StdDev}),
+ abs(Mean) < 0.005 orelse ct:fail({average, Alg, Mean}),
+ abs(StdDev - 1.0) < 0.005 orelse ct:fail({stddev, Alg, StdDev}),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-plugin(doc) -> ["Test that the user can write algorithms"];
-plugin(suite) -> [];
+%% Test that the user can write algorithms.
plugin(Config) when is_list(Config) ->
_ = lists:foldl(fun(_, S0) ->
{V1, S1} = rand:uniform_s(10000, S0),
@@ -394,7 +362,7 @@ crypto_seed() ->
crypto_next(<<Num:64, Bin/binary>>) ->
{Num, Bin};
crypto_next(_) ->
- crypto_next(crypto:rand_bytes((64 div 8)*100)).
+ crypto_next(crypto:strong_rand_bytes((64 div 8)*100)).
crypto_uniform({Api, Data0}) ->
{Int, Data} = crypto_next(Data0),
@@ -412,6 +380,7 @@ crypto_uniform_n(N, State0) ->
%% Not a test but measures the time characteristics of the different algorithms
measure(Suite) when is_atom(Suite) -> [];
measure(_Config) ->
+ ct:timetrap({minutes,6}), %% valgrind needs a lot of time
Algos = [crypto64|algs()],
io:format("RNG uniform integer performance~n",[]),
_ = measure_1(random, fun(State) -> {int, random:uniform_s(10000, State)} end),
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 17:50:04 +0000