chromium/third_party/dawn/src/dawn/tests/unittests/RefCountedTests.cpp

// Copyright 2017 The Dawn & Tint Authors
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#include <thread>
#include <utility>

#include "dawn/common/Ref.h"
#include "dawn/common/RefCounted.h"
#include "gtest/gtest.h"
#include "partition_alloc/pointers/raw_ptr.h"

namespace dawn {
namespace {

class RCTest : public RefCounted { … };

struct RCTestDerived : public RCTest { … };

TEST(RefCount, Increment) { … }

// Test that RCs start with one ref, and removing it destroys the object.
TEST(RefCounted, StartsWithOneRef) { … }

// Test adding refs keep the RC alive.
TEST(RefCounted, AddingRefKeepsAlive) { … }

// Test that AddRef and Release atomically change the refcount.
TEST(RefCounted, RaceOnAddRefRelease) { … }

// Test Ref remove reference when going out of scope
TEST(Ref, EndOfScopeRemovesRef) { … }

// Test getting pointer out of the Ref
TEST(Ref, Gets) { … }

// Test Refs default to null
TEST(Ref, DefaultsToNull) { … }

// Test Ref's copy constructor
TEST(Ref, CopyConstructor) { … }

// Test Ref's copy assignment
TEST(Ref, CopyAssignment) { … }

// Test Ref's move constructor
TEST(Ref, MoveConstructor) { … }

// Test Ref's move assignment
TEST(Ref, MoveAssignment) { … }

// Test move assigment where the destination and source
// point to the same underlying object.
TEST(Ref, MoveAssignmentSameObject) { … }

// Test the payload initial value is set correctly
TEST(Ref, InitialPayloadValue) { … }

// Test that the payload survives ref and release operations
TEST(Ref, PayloadUnchangedByRefCounting) { … }

// Test that Detach pulls out the pointer and stops tracking it.
TEST(Ref, Detach) { … }

// Test constructor passed a derived pointer
TEST(Ref, DerivedPointerConstructor) { … }

// Test copy constructor of derived class
TEST(Ref, DerivedCopyConstructor) { … }

// Test Ref constructed with nullptr
TEST(Ref, ConstructedWithNullptr) { … }

// Test Ref's copy assignment with derived class
TEST(Ref, CopyAssignmentDerived) { … }

// Test Ref's move constructor with derived class
TEST(Ref, MoveConstructorDerived) { … }

// Test Ref's move assignment with derived class
TEST(Ref, MoveAssignmentDerived) { … }

// Test Ref's InitializeInto.
TEST(Ref, InitializeInto) { … }

}  // anonymous namespace
}  // namespace dawn