diff options
Diffstat (limited to 'erts/emulator/test/float_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/float_SUITE.erl | 54 |
1 files changed, 47 insertions, 7 deletions
diff --git a/erts/emulator/test/float_SUITE.erl b/erts/emulator/test/float_SUITE.erl index 102e472ea6..736510339f 100644 --- a/erts/emulator/test/float_SUITE.erl +++ b/erts/emulator/test/float_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2009. All Rights Reserved. +%% Copyright Ericsson AB 1997-2011. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -19,21 +19,61 @@ -module(float_SUITE). --include("test_server.hrl"). +-include_lib("test_server/include/test_server.hrl"). + +-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, + fpe/1,fp_drv/1,fp_drv_thread/1,denormalized/1,match/1, + bad_float_unpack/1]). +-export([otp_7178/1]). --export([all/1,init_per_testcase/2,fin_per_testcase/2, - fpe/1,fp_drv/1,fp_drv_thread/1,denormalized/1,match/1,bad_float_unpack/1]). init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) -> Dog = ?t:timetrap(?t:minutes(3)), [{watchdog, Dog},{testcase,Func}|Config]. -fin_per_testcase(_Func, Config) -> +end_per_testcase(_Func, Config) -> Dog = ?config(watchdog, Config), ?t:timetrap_cancel(Dog). -all(suite) -> - [fpe,fp_drv,fp_drv_thread,denormalized,match,bad_float_unpack]. +suite() -> [{ct_hooks,[ts_install_cth]}]. + +all() -> + [fpe, fp_drv, fp_drv_thread, otp_7178, denormalized, + match, bad_float_unpack]. + +groups() -> + []. + +init_per_suite(Config) -> + Config. + +end_per_suite(_Config) -> + ok. + +init_per_group(_GroupName, Config) -> + Config. + +end_per_group(_GroupName, Config) -> + Config. + + +%% +%% OTP-7178, list_to_float on very small numbers should give 0.0 +%% instead of exception, i.e. ignore underflow. +%% +otp_7178(suite) -> + []; +otp_7178(doc) -> + ["test that list_to_float on very small numbers give 0.0"]; +otp_7178(Config) when is_list(Config) -> + ?line X = list_to_float("1.0e-325"), + ?line true = (X < 0.00000001) and (X > -0.00000001), + ?line Y = list_to_float("1.0e-325325325"), + ?line true = (Y < 0.00000001) and (Y > -0.00000001), + ?line {'EXIT', {badarg,_}} = (catch list_to_float("1.0e83291083210")), + ok. %% Forces floating point exceptions and tests that subsequent, legal, %% operations are calculated correctly. Original version by Sebastian |