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Diffstat (limited to 'tests/test-stdbool.c')
| -rw-r--r-- | tests/test-stdbool.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/tests/test-stdbool.c b/tests/test-stdbool.c new file mode 100644 index 0000000..30d5321 --- /dev/null +++ b/tests/test-stdbool.c @@ -0,0 +1,95 @@ +/* Test of <stdbool.h> substitute. + Copyright (C) 2002-2007 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2007. */ + +#include <config.h> + +#include <stdbool.h> + +#ifndef bool + "error: bool is not defined" +#endif +#ifndef false + "error: false is not defined" +#endif +#if false + "error: false is not 0" +#endif +#ifndef true + "error: true is not defined" +#endif +#if true != 1 + "error: true is not 1" +#endif +#ifndef __bool_true_false_are_defined + "error: __bool_true_false_are_defined is not defined" +#endif + +#if 0 /* Cannot be guaranteed with gnulib's <stdbool.h>. */ +struct s { _Bool s: 1; _Bool t; } s; +#endif + +char a[true == 1 ? 1 : -1]; +char b[false == 0 ? 1 : -1]; +char c[__bool_true_false_are_defined == 1 ? 1 : -1]; +#if 0 /* Cannot be guaranteed with gnulib's <stdbool.h>. */ +char d[(bool) 0.5 == true ? 1 : -1]; +bool e = &s; +#endif +char f[(_Bool) 0.0 == false ? 1 : -1]; +char g[true]; +char h[sizeof (_Bool)]; +#if 0 /* See above. */ +char i[sizeof s.t]; +#endif +enum { j = false, k = true, l = false * true, m = true * 256 }; +_Bool n[m]; +char o[sizeof n == m * sizeof n[0] ? 1 : -1]; +char p[-1 - (_Bool) 0 < 0 && -1 - (bool) 0 < 0 ? 1 : -1]; +#if 0 /* Cannot be guaranteed with gnulib's <stdbool.h>. */ +#if defined __xlc__ || defined __GNUC__ + /* Catch a bug in IBM AIX xlc compiler version 6.0.0.0 + reported by James Lemley on 2005-10-05; see + http://lists.gnu.org/archive/html/bug-coreutils/2005-10/msg00086.html + This test is not quite right, since xlc is allowed to + reject this program, as the initializer for xlcbug is + not one of the forms that C requires support for. + However, doing the test right would require a run-time + test, and that would make cross-compilation harder. + Let us hope that IBM fixes the xlc bug, and also adds + support for this kind of constant expression. In the + meantime, this test will reject xlc, which is OK, since + our stdbool.h substitute should suffice. We also test + this with GCC, where it should work, to detect more + quickly whether someone messes up the test in the + future. */ + char digs[] = "0123456789"; + int xlcbug = 1 / (&(digs + 5)[-2 + (bool) 1] == &digs[4] ? 1 : -1); +#endif +#endif +/* Catch a bug in an HP-UX C compiler. See + http://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html + http://lists.gnu.org/archive/html/bug-coreutils/2005-11/msg00161.html + */ +_Bool q = true; +_Bool *pq = &q; + +int +main () +{ + return 0; +} |