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-rw-r--r--inet/tst-deadline.c188
1 files changed, 0 insertions, 188 deletions
diff --git a/inet/tst-deadline.c b/inet/tst-deadline.c
deleted file mode 100644
index ed04345c35..0000000000
--- a/inet/tst-deadline.c
+++ /dev/null
@@ -1,188 +0,0 @@
-/* Tests for computing deadlines for timeouts.
- Copyright (C) 2017 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 <inet/net-internal.h>
-#include <limits.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <support/check.h>
-
-/* Find the maximum value which can be represented in a time_t. */
-static time_t
-time_t_max (void)
-{
- _Static_assert (0 > (time_t) -1, "time_t is signed");
- uintmax_t current = 1;
- while (true)
- {
- uintmax_t next = current * 2;
- /* This cannot happen because time_t is signed. */
- TEST_VERIFY_EXIT (next > current);
- ++next;
- if ((time_t) next < 0 || next != (uintmax_t) (time_t) next)
- /* Value cannot be represented in time_t. Return the previous
- value. */
- return current;
- current = next;
- }
-}
-
-static int
-do_test (void)
-{
- {
- struct deadline_current_time current_time = __deadline_current_time ();
- TEST_VERIFY (current_time.current.tv_sec >= 0);
- current_time = __deadline_current_time ();
- /* Due to CLOCK_MONOTONIC, either seconds or nanoseconds are
- greater than zero. This is also true for the gettimeofday
- fallback. */
- TEST_VERIFY (current_time.current.tv_sec >= 0);
- TEST_VERIFY (current_time.current.tv_sec > 0
- || current_time.current.tv_nsec > 0);
- }
-
- /* Check basic computations of deadlines. */
- struct deadline_current_time current_time = { { 1, 123456789 } };
- struct deadline deadline = __deadline_from_timeval
- (current_time, (struct timeval) { 0, 1 });
- TEST_VERIFY (deadline.absolute.tv_sec == 1);
- TEST_VERIFY (deadline.absolute.tv_nsec == 123457789);
- TEST_VERIFY (__deadline_to_ms (current_time, deadline) == 1);
-
- deadline = __deadline_from_timeval
- (current_time, ((struct timeval) { 0, 2 }));
- TEST_VERIFY (deadline.absolute.tv_sec == 1);
- TEST_VERIFY (deadline.absolute.tv_nsec == 123458789);
- TEST_VERIFY (__deadline_to_ms (current_time, deadline) == 1);
-
- deadline = __deadline_from_timeval
- (current_time, ((struct timeval) { 1, 0 }));
- TEST_VERIFY (deadline.absolute.tv_sec == 2);
- TEST_VERIFY (deadline.absolute.tv_nsec == 123456789);
- TEST_VERIFY (__deadline_to_ms (current_time, deadline) == 1000);
-
- /* Check if timeouts are correctly rounded up to the next
- millisecond. */
- for (int i = 0; i < 999999; ++i)
- {
- ++current_time.current.tv_nsec;
- TEST_VERIFY (__deadline_to_ms (current_time, deadline) == 1000);
- }
-
- /* A full millisecond has elapsed, so the time to the deadline is
- now less than 1000. */
- ++current_time.current.tv_nsec;
- TEST_VERIFY (__deadline_to_ms (current_time, deadline) == 999);
-
- /* Check __deadline_to_ms carry-over. */
- current_time = (struct deadline_current_time) { { 9, 123456789 } };
- deadline = (struct deadline) { { 10, 122456789 } };
- TEST_VERIFY (__deadline_to_ms (current_time, deadline) == 999);
- deadline = (struct deadline) { { 10, 122456790 } };
- TEST_VERIFY (__deadline_to_ms (current_time, deadline) == 1000);
- deadline = (struct deadline) { { 10, 123456788 } };
- TEST_VERIFY (__deadline_to_ms (current_time, deadline) == 1000);
- deadline = (struct deadline) { { 10, 123456789 } };
- TEST_VERIFY (__deadline_to_ms (current_time, deadline) == 1000);
-
- /* Check __deadline_to_ms overflow. */
- deadline = (struct deadline) { { INT_MAX - 1, 1 } };
- TEST_VERIFY (__deadline_to_ms (current_time, deadline) == INT_MAX);
-
- /* Check __deadline_to_ms for elapsed deadlines. */
- current_time = (struct deadline_current_time) { { 9, 123456789 } };
- deadline.absolute = current_time.current;
- TEST_VERIFY (__deadline_to_ms (current_time, deadline) == 0);
- current_time = (struct deadline_current_time) { { 9, 123456790 } };
- TEST_VERIFY (__deadline_to_ms (current_time, deadline) == 0);
- current_time = (struct deadline_current_time) { { 10, 0 } };
- TEST_VERIFY (__deadline_to_ms (current_time, deadline) == 0);
- current_time = (struct deadline_current_time) { { 10, 123456788 } };
- TEST_VERIFY (__deadline_to_ms (current_time, deadline) == 0);
- current_time = (struct deadline_current_time) { { 10, 123456789 } };
- TEST_VERIFY (__deadline_to_ms (current_time, deadline) == 0);
-
- /* Check carry-over in __deadline_from_timeval. */
- current_time = (struct deadline_current_time) { { 9, 998000001 } };
- for (int i = 0; i < 2000; ++i)
- {
- deadline = __deadline_from_timeval
- (current_time, (struct timeval) { 1, i });
- TEST_VERIFY (deadline.absolute.tv_sec == 10);
- TEST_VERIFY (deadline.absolute.tv_nsec == 998000001 + i * 1000);
- }
- for (int i = 2000; i < 3000; ++i)
- {
- deadline = __deadline_from_timeval
- (current_time, (struct timeval) { 2, i });
- TEST_VERIFY (deadline.absolute.tv_sec == 12);
- TEST_VERIFY (deadline.absolute.tv_nsec == 1 + (i - 2000) * 1000);
- }
-
- /* Check infinite deadlines. */
- deadline = __deadline_from_timeval
- ((struct deadline_current_time) { { 0, 1000 * 1000 * 1000 - 1000 } },
- (struct timeval) { time_t_max (), 1 });
- TEST_VERIFY (__deadline_is_infinite (deadline));
- deadline = __deadline_from_timeval
- ((struct deadline_current_time) { { 0, 1000 * 1000 * 1000 - 1001 } },
- (struct timeval) { time_t_max (), 1 });
- TEST_VERIFY (!__deadline_is_infinite (deadline));
- deadline = __deadline_from_timeval
- ((struct deadline_current_time)
- { { time_t_max (), 1000 * 1000 * 1000 - 1000 } },
- (struct timeval) { 0, 1 });
- TEST_VERIFY (__deadline_is_infinite (deadline));
- deadline = __deadline_from_timeval
- ((struct deadline_current_time)
- { { time_t_max () / 2 + 1, 0 } },
- (struct timeval) { time_t_max () / 2 + 1, 0 });
- TEST_VERIFY (__deadline_is_infinite (deadline));
-
- /* Check __deadline_first behavior. */
- deadline = __deadline_first
- ((struct deadline) { { 1, 2 } },
- (struct deadline) { { 1, 3 } });
- TEST_VERIFY (deadline.absolute.tv_sec == 1);
- TEST_VERIFY (deadline.absolute.tv_nsec == 2);
- deadline = __deadline_first
- ((struct deadline) { { 1, 3 } },
- (struct deadline) { { 1, 2 } });
- TEST_VERIFY (deadline.absolute.tv_sec == 1);
- TEST_VERIFY (deadline.absolute.tv_nsec == 2);
- deadline = __deadline_first
- ((struct deadline) { { 1, 2 } },
- (struct deadline) { { 2, 1 } });
- TEST_VERIFY (deadline.absolute.tv_sec == 1);
- TEST_VERIFY (deadline.absolute.tv_nsec == 2);
- deadline = __deadline_first
- ((struct deadline) { { 1, 2 } },
- (struct deadline) { { 2, 4 } });
- TEST_VERIFY (deadline.absolute.tv_sec == 1);
- TEST_VERIFY (deadline.absolute.tv_nsec == 2);
- deadline = __deadline_first
- ((struct deadline) { { 2, 4 } },
- (struct deadline) { { 1, 2 } });
- TEST_VERIFY (deadline.absolute.tv_sec == 1);
- TEST_VERIFY (deadline.absolute.tv_nsec == 2);
-
- return 0;
-}
-
-#include <support/test-driver.c>
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-26 13:23:53 +0000