// Copyright 2016 PDFium Authors. All rights reserved.
|
// Use of this source code is governed by a BSD-style license that can be
|
// found in the LICENSE file.
|
|
#include "core/fxcrt/include/cfx_retain_ptr.h"
|
|
#include <utility>
|
|
#include "testing/fx_string_testhelpers.h"
|
#include "testing/gtest/include/gtest/gtest.h"
|
|
namespace {
|
|
class PseudoRetainable {
|
public:
|
PseudoRetainable() : retain_count_(0), release_count_(0) {}
|
void Retain() { ++retain_count_; }
|
void Release() { ++release_count_; }
|
int retain_count() const { return retain_count_; }
|
int release_count() const { return release_count_; }
|
|
private:
|
int retain_count_;
|
int release_count_;
|
};
|
|
} // namespace
|
|
TEST(fxcrt, RetainPtrNull) {
|
CFX_RetainPtr<PseudoRetainable> ptr;
|
EXPECT_EQ(nullptr, ptr.Get());
|
}
|
|
TEST(fxcrt, RetainPtrNormal) {
|
PseudoRetainable obj;
|
{
|
CFX_RetainPtr<PseudoRetainable> ptr(&obj);
|
EXPECT_EQ(&obj, ptr.Get());
|
EXPECT_EQ(1, obj.retain_count());
|
EXPECT_EQ(0, obj.release_count());
|
}
|
EXPECT_EQ(1, obj.retain_count());
|
EXPECT_EQ(1, obj.release_count());
|
}
|
|
TEST(fxcrt, RetainPtrCopyCtor) {
|
PseudoRetainable obj;
|
{
|
CFX_RetainPtr<PseudoRetainable> ptr1(&obj);
|
{
|
CFX_RetainPtr<PseudoRetainable> ptr2(ptr1);
|
EXPECT_EQ(2, obj.retain_count());
|
EXPECT_EQ(0, obj.release_count());
|
}
|
EXPECT_EQ(2, obj.retain_count());
|
EXPECT_EQ(1, obj.release_count());
|
}
|
EXPECT_EQ(2, obj.retain_count());
|
EXPECT_EQ(2, obj.release_count());
|
}
|
|
TEST(fxcrt, RetainPtrMoveCtor) {
|
PseudoRetainable obj;
|
{
|
CFX_RetainPtr<PseudoRetainable> ptr1(&obj);
|
{
|
CFX_RetainPtr<PseudoRetainable> ptr2(std::move(ptr1));
|
EXPECT_EQ(1, obj.retain_count());
|
EXPECT_EQ(0, obj.release_count());
|
}
|
EXPECT_EQ(1, obj.retain_count());
|
EXPECT_EQ(1, obj.release_count());
|
}
|
EXPECT_EQ(1, obj.retain_count());
|
EXPECT_EQ(1, obj.release_count());
|
}
|
|
TEST(fxcrt, RetainPtrResetNull) {
|
PseudoRetainable obj;
|
{
|
CFX_RetainPtr<PseudoRetainable> ptr(&obj);
|
ptr.Reset();
|
EXPECT_EQ(1, obj.retain_count());
|
EXPECT_EQ(1, obj.release_count());
|
}
|
EXPECT_EQ(1, obj.retain_count());
|
EXPECT_EQ(1, obj.release_count());
|
}
|
|
TEST(fxcrt, RetainPtrReset) {
|
PseudoRetainable obj1;
|
PseudoRetainable obj2;
|
{
|
CFX_RetainPtr<PseudoRetainable> ptr(&obj1);
|
ptr.Reset(&obj2);
|
EXPECT_EQ(1, obj1.retain_count());
|
EXPECT_EQ(1, obj1.release_count());
|
EXPECT_EQ(1, obj2.retain_count());
|
EXPECT_EQ(0, obj2.release_count());
|
}
|
EXPECT_EQ(1, obj1.retain_count());
|
EXPECT_EQ(1, obj1.release_count());
|
EXPECT_EQ(1, obj2.retain_count());
|
EXPECT_EQ(1, obj2.release_count());
|
}
|
|
TEST(fxcrt, RetainPtrSwap) {
|
PseudoRetainable obj1;
|
PseudoRetainable obj2;
|
{
|
CFX_RetainPtr<PseudoRetainable> ptr1(&obj1);
|
{
|
CFX_RetainPtr<PseudoRetainable> ptr2(&obj2);
|
ptr1.Swap(ptr2);
|
EXPECT_EQ(1, obj1.retain_count());
|
EXPECT_EQ(0, obj1.release_count());
|
EXPECT_EQ(1, obj2.retain_count());
|
EXPECT_EQ(0, obj2.release_count());
|
}
|
EXPECT_EQ(1, obj1.retain_count());
|
EXPECT_EQ(1, obj1.release_count());
|
EXPECT_EQ(1, obj2.retain_count());
|
EXPECT_EQ(0, obj2.release_count());
|
}
|
EXPECT_EQ(1, obj1.retain_count());
|
EXPECT_EQ(1, obj1.release_count());
|
EXPECT_EQ(1, obj2.retain_count());
|
EXPECT_EQ(1, obj2.release_count());
|
}
|
|
TEST(fxcrt, RetainPtrSwapNull) {
|
PseudoRetainable obj1;
|
{
|
CFX_RetainPtr<PseudoRetainable> ptr1(&obj1);
|
{
|
CFX_RetainPtr<PseudoRetainable> ptr2;
|
ptr1.Swap(ptr2);
|
EXPECT_FALSE(ptr1);
|
EXPECT_TRUE(ptr2);
|
EXPECT_EQ(1, obj1.retain_count());
|
EXPECT_EQ(0, obj1.release_count());
|
}
|
EXPECT_EQ(1, obj1.retain_count());
|
EXPECT_EQ(1, obj1.release_count());
|
}
|
EXPECT_EQ(1, obj1.retain_count());
|
EXPECT_EQ(1, obj1.release_count());
|
}
|
|
TEST(fxcrt, RetainPtrAssign) {
|
PseudoRetainable obj;
|
{
|
CFX_RetainPtr<PseudoRetainable> ptr(&obj);
|
{
|
CFX_RetainPtr<PseudoRetainable> ptr2;
|
ptr2 = ptr;
|
EXPECT_EQ(2, obj.retain_count());
|
EXPECT_EQ(0, obj.release_count());
|
}
|
EXPECT_EQ(2, obj.retain_count());
|
EXPECT_EQ(1, obj.release_count());
|
}
|
EXPECT_EQ(2, obj.retain_count());
|
EXPECT_EQ(2, obj.release_count());
|
}
|
|
TEST(fxcrt, RetainPtrEquals) {
|
PseudoRetainable obj1;
|
PseudoRetainable obj2;
|
CFX_RetainPtr<PseudoRetainable> null_ptr1;
|
CFX_RetainPtr<PseudoRetainable> obj1_ptr1(&obj1);
|
CFX_RetainPtr<PseudoRetainable> obj2_ptr1(&obj2);
|
{
|
CFX_RetainPtr<PseudoRetainable> null_ptr2;
|
EXPECT_TRUE(null_ptr1 == null_ptr2);
|
|
CFX_RetainPtr<PseudoRetainable> obj1_ptr2(&obj1);
|
EXPECT_TRUE(obj1_ptr1 == obj1_ptr2);
|
|
CFX_RetainPtr<PseudoRetainable> obj2_ptr2(&obj2);
|
EXPECT_TRUE(obj2_ptr1 == obj2_ptr2);
|
}
|
EXPECT_FALSE(null_ptr1 == obj1_ptr1);
|
EXPECT_FALSE(null_ptr1 == obj2_ptr1);
|
EXPECT_FALSE(obj1_ptr1 == obj2_ptr1);
|
}
|
|
TEST(fxcrt, RetainPtrNotEquals) {
|
PseudoRetainable obj1;
|
PseudoRetainable obj2;
|
CFX_RetainPtr<PseudoRetainable> null_ptr1;
|
CFX_RetainPtr<PseudoRetainable> obj1_ptr1(&obj1);
|
CFX_RetainPtr<PseudoRetainable> obj2_ptr1(&obj2);
|
{
|
CFX_RetainPtr<PseudoRetainable> null_ptr2;
|
CFX_RetainPtr<PseudoRetainable> obj1_ptr2(&obj1);
|
CFX_RetainPtr<PseudoRetainable> obj2_ptr2(&obj2);
|
EXPECT_FALSE(null_ptr1 != null_ptr2);
|
EXPECT_FALSE(obj1_ptr1 != obj1_ptr2);
|
EXPECT_FALSE(obj2_ptr1 != obj2_ptr2);
|
}
|
EXPECT_TRUE(null_ptr1 != obj1_ptr1);
|
EXPECT_TRUE(null_ptr1 != obj2_ptr1);
|
EXPECT_TRUE(obj1_ptr1 != obj2_ptr1);
|
}
|
|
TEST(fxcrt, RetainPtrBool) {
|
PseudoRetainable obj1;
|
CFX_RetainPtr<PseudoRetainable> null_ptr;
|
CFX_RetainPtr<PseudoRetainable> obj1_ptr(&obj1);
|
bool null_bool = null_ptr;
|
bool obj1_bool = obj1_ptr;
|
EXPECT_FALSE(null_bool);
|
EXPECT_TRUE(obj1_bool);
|
}
|
