37ad7e3bae
Paralleling timespec_to_nsec, converts to milliseconds. Signed-off-by: Daniel Stone <daniels@collabora.com> Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk> [Pekka: added doc about flooring] Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
145 lines
3.6 KiB
C
145 lines
3.6 KiB
C
/*
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* Copyright © 2016 Collabora, Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <errno.h>
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#include <unistd.h>
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#include "timespec-util.h"
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#include "shared/helpers.h"
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#include "zunitc/zunitc.h"
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ZUC_TEST(timespec_test, timespec_sub)
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{
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struct timespec a, b, r;
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a.tv_sec = 1;
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a.tv_nsec = 1;
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b.tv_sec = 0;
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b.tv_nsec = 2;
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timespec_sub(&r, &a, &b);
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ZUC_ASSERT_EQ(r.tv_sec, 0);
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ZUC_ASSERT_EQ(r.tv_nsec, NSEC_PER_SEC - 1);
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}
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ZUC_TEST(timespec_test, timespec_to_nsec)
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{
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struct timespec a;
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a.tv_sec = 4;
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a.tv_nsec = 4;
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ZUC_ASSERT_EQ(timespec_to_nsec(&a), (NSEC_PER_SEC * 4ULL) + 4);
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}
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ZUC_TEST(timespec_test, timespec_to_msec)
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{
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struct timespec a;
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a.tv_sec = 4;
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a.tv_nsec = 4000000;
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ZUC_ASSERT_EQ(timespec_to_msec(&a), (4000ULL) + 4);
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}
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ZUC_TEST(timespec_test, millihz_to_nsec)
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{
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ZUC_ASSERT_EQ(millihz_to_nsec(60000), 16666666);
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}
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ZUC_TEST(timespec_test, timespec_add_nsec)
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{
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struct timespec a, r;
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a.tv_sec = 0;
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a.tv_nsec = NSEC_PER_SEC - 1;
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timespec_add_nsec(&r, &a, 1);
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ZUC_ASSERT_EQ(1, r.tv_sec);
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ZUC_ASSERT_EQ(0, r.tv_nsec);
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timespec_add_nsec(&r, &a, 2);
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ZUC_ASSERT_EQ(1, r.tv_sec);
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ZUC_ASSERT_EQ(1, r.tv_nsec);
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timespec_add_nsec(&r, &a, (NSEC_PER_SEC * 2ULL));
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ZUC_ASSERT_EQ(2, r.tv_sec);
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ZUC_ASSERT_EQ(NSEC_PER_SEC - 1, r.tv_nsec);
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timespec_add_nsec(&r, &a, (NSEC_PER_SEC * 2ULL) + 2);
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ZUC_ASSERT_EQ(r.tv_sec, 3);
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ZUC_ASSERT_EQ(r.tv_nsec, 1);
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a.tv_sec = 1;
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a.tv_nsec = 1;
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timespec_add_nsec(&r, &a, -2);
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ZUC_ASSERT_EQ(r.tv_sec, 0);
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ZUC_ASSERT_EQ(r.tv_nsec, NSEC_PER_SEC - 1);
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a.tv_nsec = 0;
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timespec_add_nsec(&r, &a, -NSEC_PER_SEC);
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ZUC_ASSERT_EQ(0, r.tv_sec);
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ZUC_ASSERT_EQ(0, r.tv_nsec);
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a.tv_nsec = 0;
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timespec_add_nsec(&r, &a, -NSEC_PER_SEC + 1);
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ZUC_ASSERT_EQ(0, r.tv_sec);
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ZUC_ASSERT_EQ(1, r.tv_nsec);
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a.tv_nsec = 50;
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timespec_add_nsec(&r, &a, (-NSEC_PER_SEC * 10ULL));
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ZUC_ASSERT_EQ(-9, r.tv_sec);
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ZUC_ASSERT_EQ(50, r.tv_nsec);
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r.tv_sec = 4;
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r.tv_nsec = 0;
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timespec_add_nsec(&r, &r, NSEC_PER_SEC + 10ULL);
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ZUC_ASSERT_EQ(5, r.tv_sec);
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ZUC_ASSERT_EQ(10, r.tv_nsec);
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timespec_add_nsec(&r, &r, (NSEC_PER_SEC * 3ULL) - 9ULL);
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ZUC_ASSERT_EQ(8, r.tv_sec);
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ZUC_ASSERT_EQ(1, r.tv_nsec);
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timespec_add_nsec(&r, &r, (NSEC_PER_SEC * 7ULL) + (NSEC_PER_SEC - 1ULL));
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ZUC_ASSERT_EQ(16, r.tv_sec);
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ZUC_ASSERT_EQ(0, r.tv_nsec);
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}
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ZUC_TEST(timespec_test, timespec_add_msec)
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{
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struct timespec a, r;
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a.tv_sec = 1000;
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a.tv_nsec = 1;
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timespec_add_msec(&r, &a, 2002);
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ZUC_ASSERT_EQ(1002, r.tv_sec);
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ZUC_ASSERT_EQ(2000001, r.tv_nsec);
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}
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