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/* Test of error.h functions.
Copyright (C) 2023-2024 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/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2023. */
#include <config.h>
/* Specification. */
#include <error.h>
#include <errno.h>
#include "macros.h"
/* Custom function to not show the program name in error messages. */
static void
print_no_progname (void)
{
}
int
main ()
{
/* Test error() function with zero STATUS and zero ERRNUM. */
error (0, 0, "bummer");
/* With format string arguments. */
errno = EINVAL; /* should be ignored */
error (0, 0, "Zonk %d%d%d is too large", 1, 2, 3);
/* With non-ASCII characters. */
error (0, 0, "Pokémon started");
/* Verify error_message_count. */
ASSERT (error_message_count == 3);
/* Test error_at_line() function with zero STATUS and zero ERRNUM. */
error_at_line (0, 0, "d1/foo.c", 10, "invalid blub");
error_at_line (0, 0, "d1/foo.c", 10, "invalid blarn");
/* Verify error_message_count. */
ASSERT (error_message_count == 5);
/* Test error_one_per_line. */
error_one_per_line = 1;
error_at_line (0, 0, "d1/foo.c", 10, "unsupported glink");
/* Another line number. */
error_at_line (0, 0, "d1/foo.c", 13, "invalid brump");
/* Another file name. */
error_at_line (0, 0, "d2/foo.c", 13, "unsupported flinge");
/* Same file name and same line number => message not shown. */
error_at_line (0, 0, "d2/foo.c", 13, "invalid bark");
/* Verify error_message_count. */
ASSERT (error_message_count == 8);
error_one_per_line = 0;
/* Test error_print_progname. */
error_print_progname = print_no_progname;
error (0, 0, "hammer");
error (0, 0, "boing %d%d%d is too large", 1, 2, 3);
#if 0
/* The documentation does not describe the output if the file name is NULL. */
error_at_line (0, 0, NULL, 42, "drummer too loud");
#endif
error_at_line (0, 0, "d2/bar.c", 11, "bark too loud");
/* Verify error_message_count. */
ASSERT (error_message_count == 11);
error_print_progname = NULL;
/* Test error() function with nonzero ERRNUM. */
errno = EINVAL; /* should be ignored */
error (0, EACCES, "can't steal");
/* Verify error_message_count. */
ASSERT (error_message_count == 12);
/* Test error() function with nonzero STATUS. */
error (4, 0, "fatal error");
return 0;
}
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