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There are no tests specifically focused on the functions time, gettimeofday and clock_gettime, although there are some incidental uses in tests of other functions. Add tests specifically for these three functions. Tested for x86_64 and x86.
52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
/* Test time function.
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Copyright (C) 2024 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 <time.h>
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#include <unistd.h>
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#include <support/check.h>
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#include <support/test-driver.h>
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int
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do_test (void)
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{
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time_t t1, t2, t3, t4, t5, t6;
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/* Verify that the calls to time succeed, that the value returned
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directly equals that returned through the pointer passed, and
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that the time does not decrease. */
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t1 = time (&t2);
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TEST_VERIFY_EXIT (t1 != (time_t) -1);
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TEST_VERIFY (t1 == t2);
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t3 = time (NULL);
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TEST_VERIFY_EXIT (t3 != (time_t) -1);
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TEST_VERIFY (t3 >= t1);
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/* Also verify that after sleeping, the time returned has
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increased. */
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sleep (2);
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t4 = time (&t5);
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TEST_VERIFY_EXIT (t4 != (time_t) -1);
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TEST_VERIFY (t4 == t5);
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TEST_VERIFY (t4 > t3);
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t6 = time (NULL);
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TEST_VERIFY_EXIT (t6 != (time_t) -1);
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TEST_VERIFY (t6 >= t4);
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return 0;
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}
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#include <support/test-driver.c>
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