Add a (timespec) = (timespec) + (nsec) helper, to save intermediate conversions to nanoseconds in its users. Signed-off-by: Daniel Stone <daniels@collabora.com> Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>dev
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/*
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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, 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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