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Only Constants.h remains in no namespace; but it may be addressed in the future as well. Bug: dawn:302 Change-Id: Ib9b9ab4b974ad1de1bb9f2302f4d24d8216f55e4 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/132841 Kokoro: Austin Eng <enga@chromium.org> Auto-Submit: Austin Eng <enga@chromium.org> Reviewed-by: Loko Kung <lokokung@google.com> Commit-Queue: Austin Eng <enga@chromium.org>
102 lines
3.0 KiB
C++
102 lines
3.0 KiB
C++
// Copyright 2023 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "dawn/common/Mutex.h"
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#include "gtest/gtest.h"
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namespace dawn {
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namespace {
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#if defined(DAWN_ENABLE_ASSERTS)
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constexpr bool kAssertEnabled = true;
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#else
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constexpr bool kAssertEnabled = false;
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#endif
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class MutexTest : public ::testing::Test {
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protected:
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void SetUp() override {
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// IsLockedByCurrentThread() requires DAWN_ENABLE_ASSERTS flag enabled.
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if (!kAssertEnabled) {
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GTEST_SKIP() << "DAWN_ENABLE_ASSERTS is not enabled";
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}
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}
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Mutex mMutex;
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};
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// Simple Lock() then Unlock() test.
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TEST_F(MutexTest, SimpleLockUnlock) {
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mMutex.Lock();
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EXPECT_TRUE(mMutex.IsLockedByCurrentThread());
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mMutex.Unlock();
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EXPECT_FALSE(mMutex.IsLockedByCurrentThread());
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}
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// Test AutoLock automatically locks the mutex and unlocks it when out of scope.
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TEST_F(MutexTest, AutoLock) {
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{
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Mutex::AutoLock autoLock(&mMutex);
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EXPECT_TRUE(mMutex.IsLockedByCurrentThread());
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}
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EXPECT_FALSE(mMutex.IsLockedByCurrentThread());
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}
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// Test AutoLockAndHoldRef will keep the mutex alive
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TEST_F(MutexTest, AutoLockAndHoldRef) {
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auto* mutex = new Mutex();
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EXPECT_EQ(mutex->GetRefCountForTesting(), 1u);
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{
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Mutex::AutoLockAndHoldRef autoLock(mutex);
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EXPECT_TRUE(mutex->IsLockedByCurrentThread());
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EXPECT_EQ(mutex->GetRefCountForTesting(), 2u);
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mutex->Release();
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EXPECT_EQ(mutex->GetRefCountForTesting(), 1u);
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}
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}
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using MutexDeathTest = MutexTest;
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// Test that Unlock() call on unlocked mutex will cause assertion failure.
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TEST_F(MutexDeathTest, UnlockWhenNotLocked) {
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ASSERT_DEATH({ mMutex.Unlock(); }, "");
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}
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// Double Lock() calls should be cause assertion failure
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TEST_F(MutexDeathTest, DoubleLockCalls) {
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mMutex.Lock();
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EXPECT_TRUE(mMutex.IsLockedByCurrentThread());
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ASSERT_DEATH({ mMutex.Lock(); }, "");
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mMutex.Unlock();
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}
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// Lock() then use AutoLock should cause assertion failure.
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TEST_F(MutexDeathTest, LockThenAutoLock) {
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mMutex.Lock();
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EXPECT_TRUE(mMutex.IsLockedByCurrentThread());
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ASSERT_DEATH({ Mutex::AutoLock autoLock(&mMutex); }, "");
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mMutex.Unlock();
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}
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// Use AutoLock then call Lock() should cause assertion failure.
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TEST_F(MutexDeathTest, AutoLockThenLock) {
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Mutex::AutoLock autoLock(&mMutex);
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EXPECT_TRUE(mMutex.IsLockedByCurrentThread());
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ASSERT_DEATH({ mMutex.Lock(); }, "");
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}
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} // anonymous namespace
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} // namespace dawn
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