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/*
* Copyright (C) 2021-2022 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/utilities/wait_util.h"
#include "shared/test/common/helpers/debug_manager_state_restore.h"
#include "shared/test/common/helpers/variable_backup.h"
#include "shared/test/common/test_macros/hw_test.h"
#include "gtest/gtest.h"
using namespace NEO;
namespace CpuIntrinsicsTests {
extern std::atomic<uint32_t> pauseCounter;
} // namespace CpuIntrinsicsTests
TEST(WaitTest, givenDefaultSettingsWhenNoPollAddressProvidedThenPauseDefaultTimeAndReturnFalse) {
EXPECT_EQ(1u, WaitUtils::defaultWaitCount);
WaitUtils::init();
EXPECT_EQ(WaitUtils::defaultWaitCount, WaitUtils::waitCount);
uint32_t oldCount = CpuIntrinsicsTests::pauseCounter.load();
bool ret = WaitUtils::waitFunction(nullptr, 0u);
EXPECT_FALSE(ret);
EXPECT_EQ(oldCount + WaitUtils::waitCount, CpuIntrinsicsTests::pauseCounter);
}
TEST(WaitTest, givenDebugFlagOverridesWhenNoPollAddressProvidedThenPauseDefaultTimeAndReturnFalse) {
DebugManagerStateRestore restore;
VariableBackup<uint32_t> backupWaitCount(&WaitUtils::waitCount);
uint32_t count = 10u;
DebugManager.flags.WaitLoopCount.set(count);
WaitUtils::init();
EXPECT_EQ(count, WaitUtils::waitCount);
uint32_t oldCount = CpuIntrinsicsTests::pauseCounter.load();
bool ret = WaitUtils::waitFunction(nullptr, 0u);
EXPECT_FALSE(ret);
EXPECT_EQ(oldCount + count, CpuIntrinsicsTests::pauseCounter);
}
TEST(WaitTest, givenDefaultSettingsWhenPollAddressProvidedDoesNotMeetCriteriaThenPauseDefaultTimeAndReturnFalse) {
WaitUtils::init();
EXPECT_EQ(WaitUtils::defaultWaitCount, WaitUtils::waitCount);
volatile uint32_t pollValue = 1u;
uint32_t expectedValue = 3;
uint32_t oldCount = CpuIntrinsicsTests::pauseCounter.load();
bool ret = WaitUtils::waitFunction(&pollValue, expectedValue);
EXPECT_FALSE(ret);
EXPECT_EQ(oldCount + WaitUtils::waitCount, CpuIntrinsicsTests::pauseCounter);
}
TEST(WaitTest, givenDefaultSettingsWhenPollAddressProvidedMeetsCriteriaThenPauseDefaultTimeAndReturnTrue) {
WaitUtils::init();
EXPECT_EQ(WaitUtils::defaultWaitCount, WaitUtils::waitCount);
volatile uint32_t pollValue = 3u;
uint32_t expectedValue = 1;
uint32_t oldCount = CpuIntrinsicsTests::pauseCounter.load();
bool ret = WaitUtils::waitFunction(&pollValue, expectedValue);
EXPECT_TRUE(ret);
EXPECT_EQ(oldCount + WaitUtils::waitCount, CpuIntrinsicsTests::pauseCounter);
}
TEST(WaitTest, givenDebugFlagSetZeroWhenPollAddressProvidedMeetsCriteriaThenPauseZeroTimesAndReturnTrue) {
DebugManagerStateRestore restore;
VariableBackup<uint32_t> backupWaitCount(&WaitUtils::waitCount);
uint32_t count = 0u;
DebugManager.flags.WaitLoopCount.set(count);
WaitUtils::init();
EXPECT_EQ(count, WaitUtils::waitCount);
volatile uint32_t pollValue = 3u;
uint32_t expectedValue = 1;
uint32_t oldCount = CpuIntrinsicsTests::pauseCounter.load();
bool ret = WaitUtils::waitFunction(&pollValue, expectedValue);
EXPECT_TRUE(ret);
EXPECT_EQ(oldCount + WaitUtils::waitCount, CpuIntrinsicsTests::pauseCounter);
}
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