diff options
Diffstat (limited to 'math/test-fexcept-traps.c')
-rw-r--r-- | math/test-fexcept-traps.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/math/test-fexcept-traps.c b/math/test-fexcept-traps.c new file mode 100644 index 0000000000..428a444ca3 --- /dev/null +++ b/math/test-fexcept-traps.c @@ -0,0 +1,84 @@ +/* Test fegetexceptflag and fesetexceptflag: exception traps enabled. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <fenv.h> +#include <stdio.h> +#include <math-tests.h> + +static int +do_test (void) +{ + int result = 0; + + fedisableexcept (FE_ALL_EXCEPT); + int ret = feraiseexcept (FE_ALL_EXCEPT); + if (ret != 0) + { + if (EXCEPTION_TESTS (float)) + { + puts ("feraiseexcept (FE_ALL_EXCEPT) failed"); + result = 1; + return result; + } + else + { + puts ("feraiseexcept (FE_ALL_EXCEPT) unsupported, cannot test"); + return 77; + } + } + fexcept_t saved; + ret = fegetexceptflag (&saved, FE_ALL_EXCEPT); + if (ret != 0) + { + puts ("fegetexceptflag failed"); + result = 1; + return result; + } + feclearexcept (FE_ALL_EXCEPT); + + ret = feenableexcept (FE_ALL_EXCEPT); + if (!EXCEPTION_ENABLE_SUPPORTED (FE_ALL_EXCEPT) && (ret == -1)) + { + puts ("feenableexcept (FE_ALL_EXCEPT) not supported, cannot test"); + return 77; + } + else if (ret != 0) + { + puts ("feenableexcept (FE_ALL_EXCEPT) failed"); + result = 1; + } + + if (EXCEPTION_SET_FORCES_TRAP) + { + puts ("setting exceptions traps, cannot test on this architecture"); + return 77; + } + /* The test is that this does not cause exception traps. */ + ret = fesetexceptflag (&saved, FE_ALL_EXCEPT); + if (ret != 0) + { + puts ("fesetexceptflag failed"); + result = 1; + } + feclearexcept (FE_ALL_EXCEPT); + + return result; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |