| 1 | /* Test return value when setting FE_NOMASK_ENV (BZ16918, BZ17009). |
|---|---|
| 2 | Copyright (C) 2014-2022 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <fenv.h> |
| 20 | #include <stdio.h> |
| 21 | #include <math-tests.h> |
| 22 | |
| 23 | static int count_errors; |
| 24 | |
| 25 | static void |
| 26 | test_feenableexcept (void) |
| 27 | { |
| 28 | #if defined FE_ALL_EXCEPT |
| 29 | int res; |
| 30 | |
| 31 | fedisableexcept (FE_ALL_EXCEPT); |
| 32 | |
| 33 | res = feenableexcept (FE_ALL_EXCEPT); |
| 34 | |
| 35 | if (!EXCEPTION_ENABLE_SUPPORTED (FE_ALL_EXCEPT) && (res == -1)) |
| 36 | { |
| 37 | puts (s: "feenableexcept (FE_ALL_EXCEPT) not supported, cannot test."); |
| 38 | return; |
| 39 | } |
| 40 | else if (res != 0) |
| 41 | { |
| 42 | puts (s: "feenableexcept (FE_ALL_EXCEPT) failed"); |
| 43 | count_errors++; |
| 44 | } |
| 45 | |
| 46 | if (fegetexcept () != FE_ALL_EXCEPT) |
| 47 | { |
| 48 | puts (s: "feenableexcept did not set all exceptions"); |
| 49 | count_errors++; |
| 50 | } |
| 51 | #endif |
| 52 | } |
| 53 | |
| 54 | static void |
| 55 | test_fesetenv (void) |
| 56 | { |
| 57 | #if defined FE_NOMASK_ENV && defined FE_ALL_EXCEPT |
| 58 | int res; |
| 59 | |
| 60 | fedisableexcept (FE_ALL_EXCEPT); |
| 61 | |
| 62 | res = fesetenv (FE_NOMASK_ENV); |
| 63 | |
| 64 | if (!EXCEPTION_ENABLE_SUPPORTED (FE_ALL_EXCEPT) && (res != 0)) |
| 65 | { |
| 66 | puts (s: "fesetenv (FE_NOMASK_ENV) not supported, cannot test."); |
| 67 | return; |
| 68 | } |
| 69 | else if (res != 0) |
| 70 | { |
| 71 | puts (s: "fesetenv (FE_NOMASK_ENV) failed"); |
| 72 | count_errors++; |
| 73 | } |
| 74 | |
| 75 | if (fegetexcept () != FE_ALL_EXCEPT) |
| 76 | { |
| 77 | puts (s: "fesetenv did not set all exceptions"); |
| 78 | count_errors++; |
| 79 | } |
| 80 | #endif |
| 81 | } |
| 82 | |
| 83 | static void |
| 84 | test_feupdateenv (void) |
| 85 | { |
| 86 | #if defined FE_NOMASK_ENV && defined FE_ALL_EXCEPT |
| 87 | int res; |
| 88 | |
| 89 | fedisableexcept (FE_ALL_EXCEPT); |
| 90 | |
| 91 | res = feupdateenv (FE_NOMASK_ENV); |
| 92 | |
| 93 | if (!EXCEPTION_ENABLE_SUPPORTED (FE_ALL_EXCEPT) && (res != 0)) |
| 94 | { |
| 95 | puts (s: "feupdateenv (FE_NOMASK_ENV)) not supported, cannot test."); |
| 96 | return; |
| 97 | } |
| 98 | else if (res != 0) |
| 99 | { |
| 100 | puts (s: "feupdateenv (FE_NOMASK_ENV) failed"); |
| 101 | count_errors++; |
| 102 | } |
| 103 | |
| 104 | if (fegetexcept () != FE_ALL_EXCEPT) |
| 105 | { |
| 106 | puts (s: "feupdateenv did not set all exceptions"); |
| 107 | count_errors++; |
| 108 | } |
| 109 | #endif |
| 110 | } |
| 111 | |
| 112 | static int |
| 113 | do_test (void) |
| 114 | { |
| 115 | test_feenableexcept (); |
| 116 | test_fesetenv (); |
| 117 | test_feupdateenv (); |
| 118 | |
| 119 | return count_errors != 0 ? 1 : 0; |
| 120 | } |
| 121 | |
| 122 | #define TEST_FUNCTION do_test () |
| 123 | #include "../test-skeleton.c" |
| 124 |