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125 lines
2.9 KiB
C
125 lines
2.9 KiB
C
/* Test for the long double conversions in *err* functions.
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Copyright (C) 2018-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <err.h>
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#include <errno.h>
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#include <error.h>
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#include <stdarg.h>
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#include <string.h>
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#include <support/capture_subprocess.h>
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#include <support/check.h>
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struct tests
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{
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void *callback;
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const char *expected;
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};
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va_list args;
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static void
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callback_err (void *closure)
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{
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errno = 0;
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err (0, "%Lf", (long double) -1);
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}
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static void
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callback_errx (void *closure)
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{
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errno = 0;
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errx (0, "%Lf", (long double) -1);
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}
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static void
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callback_verr (void *closure)
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{
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errno = 0;
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verr (0, "%Lf", args);
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}
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static void
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callback_verrx (void *closure)
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{
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errno = 0;
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verrx (0, "%Lf", args);
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}
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static void
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callback_error (void *closure)
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{
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errno = 0;
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error (0, 0, "%Lf", (long double) -1);
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}
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static void
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callback_error_at_line (void *closure)
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{
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errno = 0;
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error_at_line (0, 0, "", 0, "%Lf", (long double) -1);
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}
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static void
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do_one_test (void *callback, const char *expected, ...)
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{
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struct support_capture_subprocess result;
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va_start (args, expected);
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/* Call 'callback', which fills in the output and error buffers. */
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result = support_capture_subprocess (callback, NULL);
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/* Filter out the name of the program (which should always end with
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-error), so that the test case can be reused by ldbl-opt and
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ldbl-128ibm-compat. */
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const char *needle = "-error:";
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char *message;
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message = strstr (result.err.buffer, needle);
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if (message == NULL)
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FAIL_EXIT1 ("test case error");
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message += strlen (needle);
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/* Verify that the output message is as expected. */
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TEST_COMPARE_STRING (message, expected);
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va_end (args);
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}
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static int
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do_test (void)
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{
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struct tests tests[] = {
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{ &callback_err, " -1.000000: Success\n" },
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{ &callback_errx, " -1.000000\n" },
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{ &callback_verr, " -1.000000: Success\n" },
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{ &callback_verrx, " -1.000000\n" },
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{ &callback_error, " -1.000000\n" },
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{ &callback_error_at_line, ":0: -1.000000\n" }
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};
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for (int i = 0; i < sizeof (tests) / sizeof (tests[0]); i++)
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{
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do_one_test (tests[i].callback, tests[i].expected, (long double) -1);
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}
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return 0;
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}
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#include <support/test-driver.c>
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