From f709eac3a0cb6ed3e9ee1126863c46a8c6c2b6b8 Mon Sep 17 00:00:00 2001 From: Raimo Niskanen Date: Sat, 12 May 2018 08:32:51 +0200 Subject: Improve handling of ref vals --- lib/stdlib/test/rand_SUITE.erl | 185 ++++++++++++++++++++++------------------- 1 file changed, 99 insertions(+), 86 deletions(-) (limited to 'lib/stdlib/test/rand_SUITE.erl') diff --git a/lib/stdlib/test/rand_SUITE.erl b/lib/stdlib/test/rand_SUITE.erl index d753d929f5..a7094f1987 100644 --- a/lib/stdlib/test/rand_SUITE.erl +++ b/lib/stdlib/test/rand_SUITE.erl @@ -262,17 +262,18 @@ reference(Config) when is_list(Config) -> ok. reference_1(Alg) -> - Refval = reference_val(Alg), - Testval = gen(Alg), - case Refval =:= Testval of - true -> ok; - false when Refval =:= not_implemented -> - exit({not_implemented,Alg}); - false -> - 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)]), - exit(wrong_value) + Refval = reference_val(Alg), + if + Refval =:= not_implemented -> Refval; + true -> + case gen(Alg) of + Refval -> ok; + Testval -> + 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)]), + exit(wrong_value) + end end. gen(Algo) -> @@ -1141,104 +1142,110 @@ reference_jump_state(Config) when is_list(Config) -> ok. reference_jump_1(Alg) -> - Refval = reference_jump_val(Alg), - Testval = gen_jump_1(Alg), - case Refval =:= Testval of - true -> ok; - false -> - 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)]), - io:format("Vals ~p ~p~n",[Refval, Testval]), - exit(wrong_value) + Refval = reference_jump_val(Alg), + if + Refval =:= not_implemented -> Refval; + true -> + case gen_jump_1(Alg) of + Refval -> ok; + Testval -> + 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)]), + io:format( + "Vals ~p ~p~n",[Refval, Testval]), + exit(wrong_value) + end end. gen_jump_1(Algo) -> - State = - case Algo of - exs64 -> %% Test exception of not_implemented notice - try rand:jump(rand:seed_s(exs64)) - catch - error:not_implemented -> not_implemented - end; - _ when Algo =:= exsplus; Algo =:= exsp; Algo =:= exrop -> - %% Printed with orig 'C' code and this seed - rand:seed_s({Algo, [12345678|12345678]}); - _ when Algo =:= exs1024; Algo =:= exs1024s -> - %% Printed with orig 'C' code and this seed - rand:seed_s({Algo, {lists:duplicate(16, 12345678), []}}); - _ -> % unimplemented - not_implemented - end, - case State of - not_implemented -> [not_implemented]; - _ -> - Max = range(State), - gen_jump_1(?LOOP_JUMP, State, Max, []) + case Algo of + exs64 -> %% Test exception of not_implemented notice + try rand:jump(rand:seed_s(exs64)) + catch + error:not_implemented -> [error_not_implemented] + end; + _ when Algo =:= exsplus; Algo =:= exsp; Algo =:= exrop -> + %% Printed with orig 'C' code and this seed + gen_jump_2( + rand:seed_s({Algo, [12345678|12345678]})); + _ when Algo =:= exs1024; Algo =:= exs1024s -> + %% Printed with orig 'C' code and this seed + gen_jump_2( + rand:seed_s({Algo, {lists:duplicate(16, 12345678), []}})) end. -gen_jump_1(N, State0, Max, Acc) when N > 0 -> +gen_jump_2(State) -> + Max = range(State), + gen_jump_3(?LOOP_JUMP, State, Max, []). + +gen_jump_3(N, State0, Max, Acc) when N > 0 -> {_, State1} = rand:uniform_s(Max, State0), {Random, State2} = rand:uniform_s(Max, rand:jump(State1)), case N rem (?LOOP_JUMP div 100) of - 0 -> gen_jump_1(N-1, State2, Max, [Random|Acc]); - _ -> gen_jump_1(N-1, State2, Max, Acc) + 0 -> gen_jump_3(N-1, State2, Max, [Random|Acc]); + _ -> gen_jump_3(N-1, State2, Max, Acc) end; -gen_jump_1(_, _, _, Acc) -> lists:reverse(Acc). +gen_jump_3(_, _, _, Acc) -> lists:reverse(Acc). %% Check if each algorithm generates the proper jump sequence %% with the internal state in the process dictionary. reference_jump_procdict(Config) when is_list(Config) -> - [reference_jump_0(Alg) || Alg <- algs()], + [reference_jump_p1(Alg) || Alg <- algs()], ok. -reference_jump_0(Alg) -> +reference_jump_p1(Alg) -> Refval = reference_jump_val(Alg), - Testval = gen_jump_0(Alg), - case Refval =:= Testval of - true -> ok; - false -> - 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)]), - exit(wrong_value) + if + Refval =:= not_implemented -> Refval; + true -> + case gen_jump_p1(Alg) of + Refval -> ok; + Testval -> + 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)]), + exit(wrong_value) + end end. -gen_jump_0(Algo) -> - Seed = case Algo of - exs64 -> %% Test exception of not_implemented notice - try - _ = rand:seed(exs64), - rand:jump() - catch - error:not_implemented -> not_implemented - end; - _ when Algo =:= exsplus; Algo =:= exsp; Algo =:= exrop -> - %% Printed with orig 'C' code and this seed - rand:seed({Algo, [12345678|12345678]}); - _ when Algo =:= exs1024; Algo =:= exs1024s -> - %% Printed with orig 'C' code and this seed - rand:seed({Algo, {lists:duplicate(16, 12345678), []}}); - _ -> % unimplemented - not_implemented - end, - case Seed of - not_implemented -> [not_implemented]; - _ -> - Max = range(Seed), - gen_jump_0(?LOOP_JUMP, Max, []) +gen_jump_p1(Algo) -> + case Algo of + exs64 -> %% Test exception of not_implemented notice + try + _ = rand:seed(exs64), + rand:jump() + catch + error:not_implemented -> [error_not_implemented] + end; + _ when Algo =:= exsplus; Algo =:= exsp; Algo =:= exrop -> + %% Printed with orig 'C' code and this seed + gen_jump_p2( + rand:seed({Algo, [12345678|12345678]})); + _ when Algo =:= exs1024; Algo =:= exs1024s -> + %% Printed with orig 'C' code and this seed + gen_jump_p2( + rand:seed({Algo, {lists:duplicate(16, 12345678), []}})) end. -gen_jump_0(N, Max, Acc) when N > 0 -> +gen_jump_p2(Seed) -> + Max = range(Seed), + gen_jump_p3(?LOOP_JUMP, Max, []). + +gen_jump_p3(N, Max, Acc) when N > 0 -> _ = rand:uniform(Max), _ = rand:jump(), Random = rand:uniform(Max), case N rem (?LOOP_JUMP div 100) of - 0 -> gen_jump_0(N-1, Max, [Random|Acc]); - _ -> gen_jump_0(N-1, Max, Acc) + 0 -> gen_jump_p3(N-1, Max, [Random|Acc]); + _ -> gen_jump_p3(N-1, Max, Acc) end; -gen_jump_0(_, _, Acc) -> lists:reverse(Acc). +gen_jump_p3(_, _, Acc) -> lists:reverse(Acc). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% Data @@ -1389,7 +1396,10 @@ reference_val(exrop) -> 250789092615679985,78848633178610658,72059442721196128, 98223942961505519,191144652663779840, 102425686803727694,89058927716079076,80721467542933080, - 8462479817391645,2774921106204163]. + 8462479817391645,2774921106204163]; +reference_val(_) -> + not_implemented. + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -1451,7 +1461,7 @@ reference_jump_val(exsp) -> reference_jump_val(exsplus); reference_jump_val(exs1024s) -> reference_jump_val(exs1024); -reference_jump_val(exs64) -> [not_implemented]; +reference_jump_val(exs64) -> [error_not_implemented]; reference_jump_val(exrop) -> %% #include %% #include @@ -1516,7 +1526,10 @@ reference_jump_val(exrop) -> 250227633882474729,171181147785250210,55437891969696407, 241227318715885854,77323084015890802, 1663590009695191,234064400749487599,222983191707424780, - 254956809144783896,203898972156838252]. + 254956809144783896,203898972156838252]; +reference_jump_val(_) -> + not_implemented. + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -- cgit v1.2.3