diff options
author | Sverker Eriksson <sverker@erlang.org> | 2016-12-16 14:58:22 +0100 |
---|---|---|
committer | Sverker Eriksson <sverker@erlang.org> | 2016-12-16 14:58:22 +0100 |
commit | 277d97ce2a00087b878698506bbea0ef1e3070b6 (patch) | |
tree | c9f9472e09cf9e5bc473e1150314f2844c389f3c /lib/hipe/test | |
parent | 8bc83e63e39a255baea8a361888a9dfcc155b530 (diff) | |
parent | 029cf2d296304e7559449fb48d6e2ee756f19e12 (diff) | |
download | otp-277d97ce2a00087b878698506bbea0ef1e3070b6.tar.gz otp-277d97ce2a00087b878698506bbea0ef1e3070b6.tar.bz2 otp-277d97ce2a00087b878698506bbea0ef1e3070b6.zip |
Merge branch 'maint'
Diffstat (limited to 'lib/hipe/test')
-rw-r--r-- | lib/hipe/test/basic_SUITE_data/basic_num_bif.erl | 217 | ||||
-rw-r--r-- | lib/hipe/test/hipe_SUITE.erl | 6 | ||||
-rw-r--r-- | lib/hipe/test/opt_verify_SUITE.erl | 39 |
3 files changed, 243 insertions, 19 deletions
diff --git a/lib/hipe/test/basic_SUITE_data/basic_num_bif.erl b/lib/hipe/test/basic_SUITE_data/basic_num_bif.erl new file mode 100644 index 0000000000..807c4b0d0d --- /dev/null +++ b/lib/hipe/test/basic_SUITE_data/basic_num_bif.erl @@ -0,0 +1,217 @@ +%%% -*- erlang-indent-level: 2 -*- +%%%------------------------------------------------------------------- +%%% File : basic_num_bif.erl +%%% Description : Taken from the compiler test suite +%%%------------------------------------------------------------------- +-module(basic_num_bif). + +-export([test/0]). + +%% Tests optimization of the BIFs: +%% abs/1 +%% float/1 +%% float_to_list/1 +%% integer_to_list/1 +%% list_to_float/1 +%% list_to_integer/1 +%% round/1 +%% trunc/1 + +test() -> + Funs = [fun t_abs/0, fun t_float/0, + fun t_float_to_list/0, fun t_integer_to_list/0, + fun t_list_to_float_safe/0, fun t_list_to_float_risky/0, + fun t_list_to_integer/0, fun t_round/0, fun t_trunc/0], + lists:foreach(fun (F) -> ok = F() end, Funs). + +t_abs() -> + %% Floats. + 5.5 = abs(5.5), + 0.0 = abs(0.0), + 100.0 = abs(-100.0), + %% Integers. + 5 = abs(5), + 0 = abs(0), + 100 = abs(-100), + %% The largest smallnum. OTP-3190. + X = (1 bsl 27) - 1, + X = abs(X), + X = abs(X-1)+1, + X = abs(X+1)-1, + X = abs(-X), + X = abs(-X-1)-1, + X = abs(-X+1)+1, + %% Bignums. + BigNum = 13984792374983749, + BigNum = abs(BigNum), + BigNum = abs(-BigNum), + ok. + +t_float() -> + 0.0 = float(0), + 2.5 = float(2.5), + 0.0 = float(0.0), + -100.55 = float(-100.55), + 42.0 = float(42), + -100.0 = float(-100), + %% Bignums. + 4294967305.0 = float(4294967305), + -4294967305.0 = float(-4294967305), + %% Extremely big bignums. + Big = list_to_integer(lists:duplicate(2000, $1)), + {'EXIT', {badarg, _}} = (catch float(Big)), + ok. + +%% Tests float_to_list/1. + +t_float_to_list() -> + test_ftl("0.0e+0", 0.0), + test_ftl("2.5e+1", 25.0), + test_ftl("2.5e+0", 2.5), + test_ftl("2.5e-1", 0.25), + test_ftl("-3.5e+17", -350.0e15), + ok. + +test_ftl(Expect, Float) -> + %% No on the next line -- we want the line number from t_float_to_list. + Expect = remove_zeros(lists:reverse(float_to_list(Float)), []). + +%% Removes any non-significant zeros in a floating point number. +%% Example: 2.500000e+01 -> 2.5e+1 + +remove_zeros([$+, $e|Rest], [$0, X|Result]) -> + remove_zeros([$+, $e|Rest], [X|Result]); +remove_zeros([$-, $e|Rest], [$0, X|Result]) -> + remove_zeros([$-, $e|Rest], [X|Result]); +remove_zeros([$0, $.|Rest], [$e|Result]) -> + remove_zeros(Rest, [$., $0, $e|Result]); +remove_zeros([$0|Rest], [$e|Result]) -> + remove_zeros(Rest, [$e|Result]); +remove_zeros([Char|Rest], Result) -> + remove_zeros(Rest, [Char|Result]); +remove_zeros([], Result) -> + Result. + +%% Tests integer_to_list/1. + +t_integer_to_list() -> + "0" = integer_to_list(0), + "42" = integer_to_list(42), + "-42" = integer_to_list(-42), + "-42" = integer_to_list(-42), + "32768" = integer_to_list(32768), + "268435455" = integer_to_list(268435455), + "-268435455" = integer_to_list(-268435455), + "123456932798748738738" = integer_to_list(123456932798748738738), + Big_List = lists:duplicate(2000, $1), + Big = list_to_integer(Big_List), + Big_List = integer_to_list(Big), + ok. + +%% Tests list_to_float/1. + +t_list_to_float_safe() -> + 0.0 = list_to_float("0.0"), + 0.0 = list_to_float("-0.0"), + 0.5 = list_to_float("0.5"), + -0.5 = list_to_float("-0.5"), + 100.0 = list_to_float("1.0e2"), + 127.5 = list_to_float("127.5"), + -199.5 = list_to_float("-199.5"), + ok. + +%% This might crash the emulator... +%% (Known to crash the Unix version of Erlang 4.4.1) + +t_list_to_float_risky() -> + Many_Ones = lists:duplicate(25000, $1), + _ = list_to_float("2."++Many_Ones), + {'EXIT', {badarg, _}} = (catch list_to_float("2"++Many_Ones)), + ok. + +%% Tests list_to_integer/1. + +t_list_to_integer() -> + 0 = list_to_integer("0"), + 0 = list_to_integer("00"), + 0 = list_to_integer("-0"), + 1 = list_to_integer("1"), + -1 = list_to_integer("-1"), + 42 = list_to_integer("42"), + -12 = list_to_integer("-12"), + 32768 = list_to_integer("32768"), + 268435455 = list_to_integer("268435455"), + -268435455 = list_to_integer("-268435455"), + %% Bignums. + 123456932798748738738 = list_to_integer("123456932798748738738"), + _ = list_to_integer(lists:duplicate(2000, $1)), + ok. + +%% Tests round/1. + +t_round() -> + 0 = round(0.0), + 0 = round(0.4), + 1 = round(0.5), + 0 = round(-0.4), + -1 = round(-0.5), + 255 = round(255.3), + 256 = round(255.6), + -1033 = round(-1033.3), + -1034 = round(-1033.6), + %% OTP-3722: + X = (1 bsl 27) - 1, + MX = -X, + MXm1 = -X-1, + MXp1 = -X+1, + F = X + 0.0, + X = round(F), + X = round(F+1)-1, + X = round(F-1)+1, + MX = round(-F), + MXm1 = round(-F-1), + MXp1 = round(-F+1), + X = round(F+0.1), + X = round(F+1+0.1)-1, + X = round(F-1+0.1)+1, + MX = round(-F+0.1), + MXm1 = round(-F-1+0.1), + MXp1 = round(-F+1+0.1), + X = round(F-0.1), + X = round(F+1-0.1)-1, + X = round(F-1-0.1)+1, + MX = round(-F-0.1), + MXm1 = round(-F-1-0.1), + MXp1 = round(-F+1-0.1), + 0.5 = abs(round(F+0.5)-(F+0.5)), + 0.5 = abs(round(F-0.5)-(F-0.5)), + 0.5 = abs(round(-F-0.5)-(-F-0.5)), + 0.5 = abs(round(-F+0.5)-(-F+0.5)), + %% Bignums. + 4294967296 = round(4294967296.1), + 4294967297 = round(4294967296.9), + -4294967296 = -round(4294967296.1), + -4294967297 = -round(4294967296.9), + ok. + +t_trunc() -> + 0 = trunc(0.0), + 5 = trunc(5.3333), + -10 = trunc(-10.978987), + %% The largest smallnum, converted to float (OTP-3722): + X = (1 bsl 27) - 1, + F = X + 0.0, + %% io:format("X = ~p/~w/~w, F = ~p/~w/~w, trunc(F) = ~p/~w/~w~n", + %% [X, X, binary_to_list(term_to_binary(X)), + %% F, F, binary_to_list(term_to_binary(F)), + %% trunc(F), trunc(F), binary_to_list(term_to_binary(trunc(F)))]), + X = trunc(F), + X = trunc(F+1)-1, + X = trunc(F-1)+1, + X = -trunc(-F), + X = -trunc(-F-1)-1, + X = -trunc(-F+1)+1, + %% Bignums. + 4294967305 = trunc(4294967305.7), + -4294967305 = trunc(-4294967305.7), + ok. diff --git a/lib/hipe/test/hipe_SUITE.erl b/lib/hipe/test/hipe_SUITE.erl index a5b3924aa8..b9adb660f2 100644 --- a/lib/hipe/test/hipe_SUITE.erl +++ b/lib/hipe/test/hipe_SUITE.erl @@ -16,7 +16,11 @@ %% -module(hipe_SUITE). --compile([export_all]). +-export([all/0, groups/0, + init_per_suite/1, end_per_suite/1, + init_per_group/2, end_per_group/2, + app/0, app/1, appup/0, appup/1]). + -include_lib("common_test/include/ct.hrl"). all() -> diff --git a/lib/hipe/test/opt_verify_SUITE.erl b/lib/hipe/test/opt_verify_SUITE.erl index 61952e81d7..86083fa02b 100644 --- a/lib/hipe/test/opt_verify_SUITE.erl +++ b/lib/hipe/test/opt_verify_SUITE.erl @@ -1,6 +1,9 @@ -module(opt_verify_SUITE). --compile([export_all]). +-export([all/0, groups/0, + init_per_suite/1, end_per_suite/1, + init_per_group/2, end_per_group/2, + call_elim/0, call_elim/1]). all() -> [call_elim]. @@ -23,23 +26,6 @@ init_per_group(_GroupName, Config) -> end_per_group(_GroupName, Config) -> Config. -call_elim_test_file(Config, FileName, Option) -> - PrivDir = test_server:lookup_config(priv_dir, Config), - TempOut = test_server:temp_name(filename:join(PrivDir, "call_elim_out")), - {ok, TestCase} = compile:file(FileName), - {ok, TestCase} = hipe:c(TestCase, [Option, {pp_range_icode, {file, TempOut}}]), - {ok, Icode} = file:read_file(TempOut), - ok = file:delete(TempOut), - Icode. - -substring_count(Icode, Substring) -> - substring_count(Icode, Substring, 0). -substring_count(Icode, Substring, N) -> - case string:str(Icode, Substring) of - 0 -> N; - I -> substring_count(lists:nthtail(I, Icode), Substring, N+1) - end. - call_elim() -> [{doc, "Test that the call elimination optimization pass is ok"}]. call_elim(Config) -> @@ -60,3 +46,20 @@ call_elim(Config) -> Icode6 = call_elim_test_file(Config, F3, no_icode_call_elim), 3 = substring_count(binary:bin_to_list(Icode6), "is_key"), ok. + +call_elim_test_file(Config, FileName, Option) -> + PrivDir = test_server:lookup_config(priv_dir, Config), + TempOut = test_server:temp_name(filename:join(PrivDir, "call_elim_out")), + {ok, TestCase} = compile:file(FileName), + {ok, TestCase} = hipe:c(TestCase, [Option, {pp_range_icode, {file, TempOut}}]), + {ok, Icode} = file:read_file(TempOut), + ok = file:delete(TempOut), + Icode. + +substring_count(Icode, Substring) -> + substring_count(Icode, Substring, 0). +substring_count(Icode, Substring, N) -> + case string:str(Icode, Substring) of + 0 -> N; + I -> substring_count(lists:nthtail(I, Icode), Substring, N+1) + end. |