glibc/time/tst-ftime.c

55 lines
1.5 KiB
C

/* Verify that ftime is sane.
Copyright (C) 2014-2022 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
<https://www.gnu.org/licenses/>. */
#include <features.h>
#include <sys/timeb.h>
#include <libc-diag.h>
#include <support/check.h>
static int
do_test (void)
{
struct timeb prev, curr = {.time = 0, .millitm = 0};
int sec = 0;
while (sec != 3)
{
prev = curr;
/* ftime was deprecated on 2.31. */
DIAG_PUSH_NEEDS_COMMENT;
DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wdeprecated-declarations");
TEST_COMPARE (ftime (&curr), 0);
DIAG_POP_NEEDS_COMMENT;
TEST_VERIFY (curr.time >= prev.time);
if (curr.time == prev.time)
TEST_VERIFY (curr.millitm >= prev.millitm);
if (curr.time > prev.time)
sec ++;
}
return 0;
}
#include <support/test-driver.c>