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/*
*
* Copyright (c) 2021 Project CHIP Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <system/SystemConfig.h>
#include <lib/core/ErrorStr.h>
#include <lib/support/CodeUtils.h>
#include <lib/support/TimeUtils.h>
#include <lib/support/UnitTestRegistration.h>
#include <nlunit-test.h>
#include <system/SystemClock.h>
#if !CHIP_SYSTEM_CONFIG_PLATFORM_PROVIDES_TIME
#if CHIP_SYSTEM_CONFIG_USE_LWIP_MONOTONIC_TIME
#include <lwip/sys.h>
#endif // CHIP_SYSTEM_CONFIG_USE_LWIP_MONOTONIC_TIME
#if CHIP_SYSTEM_CONFIG_USE_POSIX_TIME_FUNCTS
#include <errno.h>
#include <time.h>
#endif // CHIP_SYSTEM_CONFIG_USE_POSIX_TIME_FUNCTS
#endif // !CHIP_SYSTEM_CONFIG_PLATFORM_PROVIDES_TIME
using namespace chip::System;
namespace {
void TestRealClock(nlTestSuite * inSuite, void * inContext)
{
Clock::Milliseconds64 oldMilli = SystemClock().GetMonotonicMilliseconds64();
Clock::Milliseconds64 newMilli = SystemClock().GetMonotonicMilliseconds64();
NL_TEST_ASSERT(inSuite, newMilli >= oldMilli);
Clock::Microseconds64 oldMicro = SystemClock().GetMonotonicMicroseconds64();
Clock::Microseconds64 newMicro = SystemClock().GetMonotonicMicroseconds64();
NL_TEST_ASSERT(inSuite, newMicro >= oldMicro);
Clock::Microseconds64::rep microseconds = newMicro.count();
NL_TEST_ASSERT(inSuite, (microseconds & 0x8000'0000'0000'0000) == 0);
#if !CHIP_SYSTEM_CONFIG_PLATFORM_PROVIDES_TIME && \
(CHIP_SYSTEM_CONFIG_USE_LWIP_MONOTONIC_TIME || CHIP_SYSTEM_CONFIG_USE_POSIX_TIME_FUNCTS)
constexpr int kDelayMilliseconds = 3;
#if CHIP_SYSTEM_CONFIG_USE_LWIP_MONOTONIC_TIME
sys_msleep(kDelayMilliseconds);
#endif // CHIP_SYSTEM_CONFIG_USE_LWIP
#if CHIP_SYSTEM_CONFIG_USE_POSIX_TIME_FUNCTS
struct timespec delay = { 0, kDelayMilliseconds * chip::kNanosecondsPerMillisecond };
while (nanosleep(&delay, &delay) == -1 && errno == EINTR)
{
}
#endif // CHIP_SYSTEM_CONFIG_USE_POSIX_TIME_FUNCTS
newMilli = SystemClock().GetMonotonicMilliseconds64();
NL_TEST_ASSERT(inSuite, newMilli > oldMilli);
newMicro = SystemClock().GetMonotonicMicroseconds64();
NL_TEST_ASSERT(inSuite, newMicro > oldMicro);
#endif // !CHIP_SYSTEM_CONFIG_PLATFORM_PROVIDES_TIME && (CHIP_SYSTEM_CONFIG_USE_LWIP_MONOTONIC_TIME ||
// CHIP_SYSTEM_CONFIG_USE_POSIX_TIME_FUNCTS)
}
void TestMockClock(nlTestSuite * inSuite, void * inContext)
{
Clock::Internal::MockClock clock;
Clock::ClockBase * savedRealClock = &SystemClock();
Clock::Internal::SetSystemClockForTesting(&clock);
NL_TEST_ASSERT(inSuite, SystemClock().GetMonotonicMilliseconds64() == Clock::kZero);
NL_TEST_ASSERT(inSuite, SystemClock().GetMonotonicMicroseconds64() == Clock::kZero);
constexpr Clock::Milliseconds64 k1234 = Clock::Milliseconds64(1234);
clock.SetMonotonic(k1234);
NL_TEST_ASSERT(inSuite, SystemClock().GetMonotonicMilliseconds64() == k1234);
NL_TEST_ASSERT(inSuite, SystemClock().GetMonotonicMicroseconds64() == k1234);
Clock::Internal::SetSystemClockForTesting(savedRealClock);
}
} // namespace
/**
* Test Suite. It lists all the test functions.
*/
// clang-format off
static const nlTest sTests[] =
{
NL_TEST_DEF("TestRealClock", TestRealClock),
NL_TEST_DEF("TestMockClock", TestMockClock),
NL_TEST_SENTINEL()
};
// clang-format on
int TestSystemClock()
{
nlTestSuite theSuite = {
"chip-systemclock", &sTests[0], nullptr /* setup */, nullptr /* teardown */
};
// Run test suite against one context.
nlTestRunner(&theSuite, nullptr /* context */);
return (nlTestRunnerStats(&theSuite));
}
CHIP_REGISTER_TEST_SUITE(TestSystemClock)