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Diffstat (limited to 'gnulib-tests/macros.h')
| -rw-r--r-- | gnulib-tests/macros.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/gnulib-tests/macros.h b/gnulib-tests/macros.h new file mode 100644 index 0000000..7f5eb2d --- /dev/null +++ b/gnulib-tests/macros.h @@ -0,0 +1,109 @@ +/* Common macros used by gnulib tests. + Copyright (C) 2006-2022 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 <https://www.gnu.org/licenses/>. */ + + +/* This file contains macros that are used by many gnulib tests. + Put here only frequently used macros, say, used by 10 tests or more. */ + +#include <stdio.h> +#include <stdlib.h> + +#ifndef FALLTHROUGH +# if (__GNUC__ >= 7) || (__clang_major__ >= 10) +# define FALLTHROUGH __attribute__ ((__fallthrough__)) +# else +# define FALLTHROUGH ((void) 0) +# endif +#endif + +/* Define ASSERT_STREAM before including this file if ASSERT must + target a stream other than stderr. */ +#ifndef ASSERT_STREAM +# define ASSERT_STREAM stderr +#endif + +/* ASSERT (condition); + verifies that the specified condition is fulfilled. If not, a message + is printed to ASSERT_STREAM if defined (defaulting to stderr if + undefined) and the program is terminated with an error code. + + This macro has the following properties: + - The programmer specifies the expected condition, not the failure + condition. This simplifies thinking. + - The condition is tested always, regardless of compilation flags. + (Unlike the macro from <assert.h>.) + - On Unix platforms, the tester can debug the test program with a + debugger (provided core dumps are enabled: "ulimit -c unlimited"). + - For the sake of platforms where no debugger is available (such as + some mingw systems), an error message is printed on the error + stream that includes the source location of the ASSERT invocation. + */ +#define ASSERT(expr) \ + do \ + { \ + if (!(expr)) \ + { \ + fprintf (ASSERT_STREAM, "%s:%d: assertion '%s' failed\n", \ + __FILE__, __LINE__, #expr); \ + fflush (ASSERT_STREAM); \ + abort (); \ + } \ + } \ + while (0) + +/* Like ASSERT, except that it uses no stdio. + Requires #include <string.h> and #include <unistd.h>. */ +#define ASSERT_NO_STDIO(expr) \ + do \ + { \ + if (!(expr)) \ + { \ + WRITE_TO_STDERR (__FILE__); \ + WRITE_TO_STDERR (":"); \ + WRITE_MACROEXPANDED_INTEGER_TO_STDERR (__LINE__); \ + WRITE_TO_STDERR (": assertion '"); \ + WRITE_TO_STDERR (#expr); \ + WRITE_TO_STDERR ("' failed\n"); \ + abort (); \ + } \ + } \ + while (0) +#define WRITE_MACROEXPANDED_INTEGER_TO_STDERR(integer) \ + WRITE_INTEGER_TO_STDERR(integer) +#define WRITE_INTEGER_TO_STDERR(integer) \ + WRITE_TO_STDERR (#integer) +#define WRITE_TO_STDERR(string_literal) \ + { \ + const char *s = string_literal; \ + int ret = write (2, s, strlen (s)); \ + (void) ret; \ + } + +/* SIZEOF (array) + returns the number of elements of an array. It works for arrays that are + declared outside functions and for local variables of array type. It does + *not* work for function parameters of array type, because they are actually + parameters of pointer type. */ +#define SIZEOF(array) (sizeof (array) / sizeof (array[0])) + +/* STREQ (str1, str2) + Return true if two strings compare equal. */ +#define STREQ(a, b) (strcmp (a, b) == 0) + +/* Some numbers in the interval [0,1). */ +extern const float randomf[1000]; +extern const double randomd[1000]; +extern const long double randoml[1000]; |