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//===-- Unittests for timespec_get ----------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "hdr/time_macros.h"
#include "hdr/types/struct_timespec.h"
#include "src/__support/macros/properties/architectures.h"
#include "src/time/timespec_get.h"
#include "test/UnitTest/Test.h"
TEST(LlvmLibcTimespecGet, Utc) {
timespec ts;
int result;
result = LIBC_NAMESPACE::timespec_get(&ts, TIME_UTC);
#ifdef LIBC_TARGET_ARCH_IS_GPU
ASSERT_EQ(result, 0);
#else
ASSERT_EQ(result, TIME_UTC);
ASSERT_GT(ts.tv_sec, time_t(0));
#endif
}
// Baremetal implementation currently only supports TIME_UTC
#ifndef LIBC_TARGET_OS_IS_BAREMETAL
TEST(LlvmLibcTimespecGet, Monotonic) {
timespec ts1, ts2;
int result;
result = LIBC_NAMESPACE::timespec_get(&ts1, TIME_MONOTONIC);
ASSERT_EQ(result, TIME_MONOTONIC);
ASSERT_GT(ts1.tv_sec, time_t(0));
result = LIBC_NAMESPACE::timespec_get(&ts2, TIME_MONOTONIC);
ASSERT_EQ(result, TIME_MONOTONIC);
ASSERT_GE(ts2.tv_sec, ts1.tv_sec); // The monotonic time should increase.
if (ts2.tv_sec == ts1.tv_sec) {
ASSERT_GE(ts2.tv_nsec, ts1.tv_nsec);
}
}
#endif
TEST(LlvmLibcTimespecGet, Unknown) {
timespec ts;
int result;
result = LIBC_NAMESPACE::timespec_get(&ts, 0);
ASSERT_EQ(result, 0);
}
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