133 lines
3.8 KiB
C++
133 lines
3.8 KiB
C++
/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/base/gunit.h"
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#include "webrtc/base/referencecountedsingletonfactory.h"
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namespace rtc {
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class MyExistenceWatcher {
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public:
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MyExistenceWatcher() { create_called_ = true; }
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~MyExistenceWatcher() { delete_called_ = true; }
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static bool create_called_;
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static bool delete_called_;
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};
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bool MyExistenceWatcher::create_called_ = false;
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bool MyExistenceWatcher::delete_called_ = false;
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class TestReferenceCountedSingletonFactory :
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public ReferenceCountedSingletonFactory<MyExistenceWatcher> {
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protected:
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virtual bool SetupInstance() {
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instance_.reset(new MyExistenceWatcher());
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return true;
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}
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virtual void CleanupInstance() {
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instance_.reset();
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}
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};
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static void DoCreateAndGoOutOfScope(
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ReferenceCountedSingletonFactory<MyExistenceWatcher> *factory) {
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rcsf_ptr<MyExistenceWatcher> ptr(factory);
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ptr.get();
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// and now ptr should go out of scope.
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}
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TEST(ReferenceCountedSingletonFactory, ZeroReferenceCountCausesDeletion) {
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TestReferenceCountedSingletonFactory factory;
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MyExistenceWatcher::delete_called_ = false;
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DoCreateAndGoOutOfScope(&factory);
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EXPECT_TRUE(MyExistenceWatcher::delete_called_);
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}
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TEST(ReferenceCountedSingletonFactory, NonZeroReferenceCountDoesNotDelete) {
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TestReferenceCountedSingletonFactory factory;
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rcsf_ptr<MyExistenceWatcher> ptr(&factory);
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ptr.get();
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MyExistenceWatcher::delete_called_ = false;
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DoCreateAndGoOutOfScope(&factory);
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EXPECT_FALSE(MyExistenceWatcher::delete_called_);
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}
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TEST(ReferenceCountedSingletonFactory, ReturnedPointersReferToSameThing) {
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TestReferenceCountedSingletonFactory factory;
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rcsf_ptr<MyExistenceWatcher> one(&factory), two(&factory);
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EXPECT_EQ(one.get(), two.get());
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}
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TEST(ReferenceCountedSingletonFactory, Release) {
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TestReferenceCountedSingletonFactory factory;
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rcsf_ptr<MyExistenceWatcher> one(&factory);
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one.get();
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MyExistenceWatcher::delete_called_ = false;
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one.release();
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EXPECT_TRUE(MyExistenceWatcher::delete_called_);
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}
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TEST(ReferenceCountedSingletonFactory, GetWithoutRelease) {
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TestReferenceCountedSingletonFactory factory;
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rcsf_ptr<MyExistenceWatcher> one(&factory);
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one.get();
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MyExistenceWatcher::create_called_ = false;
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one.get();
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EXPECT_FALSE(MyExistenceWatcher::create_called_);
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}
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TEST(ReferenceCountedSingletonFactory, GetAfterRelease) {
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TestReferenceCountedSingletonFactory factory;
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rcsf_ptr<MyExistenceWatcher> one(&factory);
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MyExistenceWatcher::create_called_ = false;
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one.release();
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one.get();
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EXPECT_TRUE(MyExistenceWatcher::create_called_);
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}
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TEST(ReferenceCountedSingletonFactory, MultipleReleases) {
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TestReferenceCountedSingletonFactory factory;
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rcsf_ptr<MyExistenceWatcher> one(&factory), two(&factory);
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MyExistenceWatcher::create_called_ = false;
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MyExistenceWatcher::delete_called_ = false;
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one.release();
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EXPECT_FALSE(MyExistenceWatcher::delete_called_);
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one.release();
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EXPECT_FALSE(MyExistenceWatcher::delete_called_);
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one.release();
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EXPECT_FALSE(MyExistenceWatcher::delete_called_);
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one.get();
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EXPECT_TRUE(MyExistenceWatcher::create_called_);
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}
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TEST(ReferenceCountedSingletonFactory, Existentialism) {
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TestReferenceCountedSingletonFactory factory;
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rcsf_ptr<MyExistenceWatcher> one(&factory);
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MyExistenceWatcher::create_called_ = false;
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MyExistenceWatcher::delete_called_ = false;
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one.get();
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EXPECT_TRUE(MyExistenceWatcher::create_called_);
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one.release();
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EXPECT_TRUE(MyExistenceWatcher::delete_called_);
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}
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} // namespace rtc
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