glibc/misc/tst-ldbl-error.c
Gabriel F. T. Gomes 43257c335a Use TEST_COMPARE_STRING in recently added test
The commit

commit 1df872fd74
Author: Florian Weimer <fweimer@redhat.com>
Date:   Wed Nov 7 12:42:44 2018 +0100

    support: Implement TEST_COMPARE_STRING

added the new macro TEST_COMPARE_STRING, which compares the output of
functions under test against expected strings, and, when there's a
mismatch, automatically reports an error and prints the differences.
This patch adapts recently added test cases to use this new macro.

Tested for powerpc64le (as is, and locally patched to intentionally fail
and produce error output).

	* argp/tst-ldbl-argp.c (do_one_test): Use TEST_COMPARE_STRING,
	instead of manually comparing and reporting mismatching strings.
	* misc/tst-ldbl-error.c (do_one_test): Likewise.
	* misc/tst-ldbl-warn.c (do_one_test): Likewise.
2018-11-08 22:42:01 -02:00

124 lines
3.1 KiB
C

/* Test for the long double conversions in *err* functions.
Copyright (C) 2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <err.h>
#include <errno.h>
#include <error.h>
#include <stdarg.h>
#include <string.h>
#include <support/capture_subprocess.h>
#include <support/check.h>
struct tests
{
void *callback;
const char *expected;
};
va_list args;
static void
callback_err (void *closure)
{
errno = 0;
err (0, "%Lf", (long double) -1);
}
static void
callback_errx (void *closure)
{
errno = 0;
errx (0, "%Lf", (long double) -1);
}
static void
callback_verr (void *closure)
{
errno = 0;
verr (0, "%Lf", args);
}
static void
callback_verrx (void *closure)
{
errno = 0;
verrx (0, "%Lf", args);
}
static void
callback_error (void *closure)
{
errno = 0;
error (0, 0, "%Lf", (long double) -1);
}
static void
callback_error_at_line (void *closure)
{
errno = 0;
error_at_line (0, 0, "", 0, "%Lf", (long double) -1);
}
static void
do_one_test (void *callback, const char *expected, ...)
{
struct support_capture_subprocess result;
va_start (args, expected);
/* Call 'callback', which fills in the output and error buffers. */
result = support_capture_subprocess (callback, NULL);
/* The functions err, errx, verr, and verrx print just the program
name followed by a colon, whereas error and error_at_line print the
whole path to the program. Since the whole path depends on the
working directory used to build and test glibc, remove it from the
comparison against the expected result. */
const char *needle = "tst-ldbl-error:";
char *message;
message = strstr (result.err.buffer, needle);
/* Verify that the output message is as expected. */
TEST_COMPARE_STRING (message, expected);
va_end (args);
}
static int
do_test (void)
{
struct tests tests[] = {
{ &callback_err, "tst-ldbl-error: -1.000000: Success\n" },
{ &callback_errx, "tst-ldbl-error: -1.000000\n" },
{ &callback_verr, "tst-ldbl-error: -1.000000: Success\n" },
{ &callback_verrx, "tst-ldbl-error: -1.000000\n" },
{ &callback_error, "tst-ldbl-error: -1.000000\n" },
{ &callback_error_at_line, "tst-ldbl-error::0: -1.000000\n" }
};
for (int i = 0; i < sizeof (tests) / sizeof (tests[0]); i++)
{
do_one_test (tests[i].callback, tests[i].expected, (long double) -1);
}
return 0;
}
#include <support/test-driver.c>