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author | Bruno Haible <bruno@clisp.org> | 2009-01-18 03:22:58 +0100 |
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committer | Bruno Haible <bruno@clisp.org> | 2009-01-18 03:22:58 +0100 |
commit | d200156fc3c54bb24a2fbbe45ec299c6ca348283 (patch) | |
tree | edef3ef2b1088e274571260b0ac6fab6e520b779 /tests/test-dprintf-posix.c | |
parent | bad6928fe426d5e31de71516a5a48286c6267824 (diff) | |
download | gnulib-d200156fc3c54bb24a2fbbe45ec299c6ca348283.tar.gz |
Tests for module 'dprintf-posix'.
Diffstat (limited to 'tests/test-dprintf-posix.c')
-rw-r--r-- | tests/test-dprintf-posix.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/tests/test-dprintf-posix.c b/tests/test-dprintf-posix.c new file mode 100644 index 0000000000..c8eb3f5832 --- /dev/null +++ b/tests/test-dprintf-posix.c @@ -0,0 +1,179 @@ +/* Test of POSIX compatible dprintf() function. + Copyright (C) 2007-2009 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>, 2009. */ + +#include <config.h> + +#include <stdio.h> + +#include <stddef.h> +#include <stdint.h> +#include <stdlib.h> +#include <string.h> + +#define ASSERT(expr) \ + do \ + { \ + if (!(expr)) \ + { \ + fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ + fflush (stderr); \ + abort (); \ + } \ + } \ + while (0) + +static void +test_function (int (*my_dprintf) (int, const char *, ...)) +{ + /* Here we don't test output that may be platform dependent. + The bulk of the tests is done as part of the 'vasnprintf-posix' module. */ + + /* Test support of size specifiers as in C99. */ + + my_dprintf (fileno (stdout), "%ju %d\n", (uintmax_t) 12345671, 33, 44, 55); + + my_dprintf (fileno (stdout), "%zu %d\n", (size_t) 12345672, 33, 44, 55); + + my_dprintf (fileno (stdout), "%tu %d\n", (ptrdiff_t) 12345673, 33, 44, 55); + + /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal + output of floating-point numbers. */ + + /* Positive zero. */ + my_dprintf (fileno (stdout), "%a %d\n", 0.0, 33, 44, 55); + + /* Positive infinity. */ + my_dprintf (fileno (stdout), "%a %d\n", 1.0 / 0.0, 33, 44, 55); + + /* Negative infinity. */ + my_dprintf (fileno (stdout), "%a %d\n", -1.0 / 0.0, 33, 44, 55); + + /* FLAG_ZERO with infinite number. */ + my_dprintf (fileno (stdout), "%010a %d\n", 1.0 / 0.0, 33, 44, 55); + + /* Test the support of the %f format directive. */ + + /* A positive number. */ + my_dprintf (fileno (stdout), "%f %d\n", 12.75, 33, 44, 55); + + /* A larger positive number. */ + my_dprintf (fileno (stdout), "%f %d\n", 1234567.0, 33, 44, 55); + + /* A negative number. */ + my_dprintf (fileno (stdout), "%f %d\n", -0.03125, 33, 44, 55); + + /* Positive zero. */ + my_dprintf (fileno (stdout), "%f %d\n", 0.0, 33, 44, 55); + + /* FLAG_ZERO. */ + my_dprintf (fileno (stdout), "%015f %d\n", 1234.0, 33, 44, 55); + + /* Precision. */ + my_dprintf (fileno (stdout), "%.f %d\n", 1234.0, 33, 44, 55); + + /* Precision with no rounding. */ + my_dprintf (fileno (stdout), "%.2f %d\n", 999.95, 33, 44, 55); + + /* Precision with rounding. */ + my_dprintf (fileno (stdout), "%.2f %d\n", 999.996, 33, 44, 55); + + /* A positive number. */ + my_dprintf (fileno (stdout), "%Lf %d\n", 12.75L, 33, 44, 55); + + /* A larger positive number. */ + my_dprintf (fileno (stdout), "%Lf %d\n", 1234567.0L, 33, 44, 55); + + /* A negative number. */ + my_dprintf (fileno (stdout), "%Lf %d\n", -0.03125L, 33, 44, 55); + + /* Positive zero. */ + my_dprintf (fileno (stdout), "%Lf %d\n", 0.0L, 33, 44, 55); + + /* FLAG_ZERO. */ + my_dprintf (fileno (stdout), "%015Lf %d\n", 1234.0L, 33, 44, 55); + + /* Precision. */ + my_dprintf (fileno (stdout), "%.Lf %d\n", 1234.0L, 33, 44, 55); + + /* Precision with no rounding. */ + my_dprintf (fileno (stdout), "%.2Lf %d\n", 999.95L, 33, 44, 55); + + /* Precision with rounding. */ + my_dprintf (fileno (stdout), "%.2Lf %d\n", 999.996L, 33, 44, 55); + + /* Test the support of the %F format directive. */ + + /* A positive number. */ + my_dprintf (fileno (stdout), "%F %d\n", 12.75, 33, 44, 55); + + /* A larger positive number. */ + my_dprintf (fileno (stdout), "%F %d\n", 1234567.0, 33, 44, 55); + + /* A negative number. */ + my_dprintf (fileno (stdout), "%F %d\n", -0.03125, 33, 44, 55); + + /* Positive zero. */ + my_dprintf (fileno (stdout), "%F %d\n", 0.0, 33, 44, 55); + + /* FLAG_ZERO. */ + my_dprintf (fileno (stdout), "%015F %d\n", 1234.0, 33, 44, 55); + + /* Precision. */ + my_dprintf (fileno (stdout), "%.F %d\n", 1234.0, 33, 44, 55); + + /* Precision with no rounding. */ + my_dprintf (fileno (stdout), "%.2F %d\n", 999.95, 33, 44, 55); + + /* Precision with rounding. */ + my_dprintf (fileno (stdout), "%.2F %d\n", 999.996, 33, 44, 55); + + /* A positive number. */ + my_dprintf (fileno (stdout), "%LF %d\n", 12.75L, 33, 44, 55); + + /* A larger positive number. */ + my_dprintf (fileno (stdout), "%LF %d\n", 1234567.0L, 33, 44, 55); + + /* A negative number. */ + my_dprintf (fileno (stdout), "%LF %d\n", -0.03125L, 33, 44, 55); + + /* Positive zero. */ + my_dprintf (fileno (stdout), "%LF %d\n", 0.0L, 33, 44, 55); + + /* FLAG_ZERO. */ + my_dprintf (fileno (stdout), "%015LF %d\n", 1234.0L, 33, 44, 55); + + /* Precision. */ + my_dprintf (fileno (stdout), "%.LF %d\n", 1234.0L, 33, 44, 55); + + /* Precision with no rounding. */ + my_dprintf (fileno (stdout), "%.2LF %d\n", 999.95L, 33, 44, 55); + + /* Precision with rounding. */ + my_dprintf (fileno (stdout), "%.2LF %d\n", 999.996L, 33, 44, 55); + + /* Test the support of the POSIX/XSI format strings with positions. */ + + my_dprintf (fileno (stdout), "%2$d %1$d\n", 33, 55); +} + +int +main (int argc, char *argv[]) +{ + test_function (dprintf); + return 0; +} |