16958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org/* 26958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. 36958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org * 46958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org * Use of this source code is governed by a BSD-style license 56958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org * that can be found in the LICENSE file in the root of the source 66958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org * tree. An additional intellectual property rights grant can be found 76958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org * in the file PATENTS. All contributing project authors may 86958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org * be found in the AUTHORS file in the root of the source tree. 96958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org */ 106958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 116958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org// Borrowed from Chromium's src/base/memory/scoped_vector_unittest.cc 126958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 136958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org#include "webrtc/system_wrappers/interface/scoped_vector.h" 146958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 156958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org#include "webrtc/system_wrappers/interface/scoped_ptr.h" 166958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org#include "testing/gtest/include/gtest/gtest.h" 176958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 186958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgnamespace webrtc { 196958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgnamespace { 206958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 216958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org// The LifeCycleObject notifies its Observer upon construction & destruction. 226958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgclass LifeCycleObject { 236958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org public: 246958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org class Observer { 256958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org public: 266958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org virtual void OnLifeCycleConstruct(LifeCycleObject* o) = 0; 276958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org virtual void OnLifeCycleDestroy(LifeCycleObject* o) = 0; 286958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 296958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org protected: 306958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org virtual ~Observer() {} 316958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org }; 326958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 336958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ~LifeCycleObject() { 346958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org observer_->OnLifeCycleDestroy(this); 356958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org } 366958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 376958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org private: 386958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org friend class LifeCycleWatcher; 396958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 406958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org explicit LifeCycleObject(Observer* observer) 416958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org : observer_(observer) { 426958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org observer_->OnLifeCycleConstruct(this); 436958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org } 446958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 456958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org Observer* observer_; 466958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 476958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org DISALLOW_COPY_AND_ASSIGN(LifeCycleObject); 486958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org}; 496958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 506958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org// The life cycle states we care about for the purposes of testing ScopedVector 516958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org// against objects. 526958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgenum LifeCycleState { 536958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LC_INITIAL, 546958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LC_CONSTRUCTED, 556958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LC_DESTROYED, 566958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org}; 576958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 586958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org// Because we wish to watch the life cycle of an object being constructed and 596958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org// destroyed, and further wish to test expectations against the state of that 606958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org// object, we cannot save state in that object itself. Instead, we use this 616958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org// pairing of the watcher, which observes the object and notifies of 626958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org// construction & destruction. Since we also may be testing assumptions about 636958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org// things not getting freed, this class also acts like a scoping object and 646958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org// deletes the |constructed_life_cycle_object_|, if any when the 656958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org// LifeCycleWatcher is destroyed. To keep this simple, the only expected state 666958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org// changes are: 676958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org// INITIAL -> CONSTRUCTED -> DESTROYED. 686958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org// Anything more complicated than that should start another test. 696958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgclass LifeCycleWatcher : public LifeCycleObject::Observer { 706958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org public: 716958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LifeCycleWatcher() : life_cycle_state_(LC_INITIAL) {} 726958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org virtual ~LifeCycleWatcher() {} 736958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 746958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org // Assert INITIAL -> CONSTRUCTED and no LifeCycleObject associated with this 756958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org // LifeCycleWatcher. 766958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org virtual void OnLifeCycleConstruct(LifeCycleObject* object) OVERRIDE { 776958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ASSERT_EQ(LC_INITIAL, life_cycle_state_); 786958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ASSERT_EQ(NULL, constructed_life_cycle_object_.get()); 796958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org life_cycle_state_ = LC_CONSTRUCTED; 806958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org constructed_life_cycle_object_.reset(object); 816958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org } 826958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 836958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org // Assert CONSTRUCTED -> DESTROYED and the |object| being destroyed is the 846958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org // same one we saw constructed. 856958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org virtual void OnLifeCycleDestroy(LifeCycleObject* object) OVERRIDE { 866958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ASSERT_EQ(LC_CONSTRUCTED, life_cycle_state_); 876958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LifeCycleObject* constructed_life_cycle_object = 886958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org constructed_life_cycle_object_.release(); 896958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ASSERT_EQ(constructed_life_cycle_object, object); 906958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org life_cycle_state_ = LC_DESTROYED; 916958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org } 926958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 936958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LifeCycleState life_cycle_state() const { return life_cycle_state_; } 946958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 956958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org // Factory method for creating a new LifeCycleObject tied to this 966958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org // LifeCycleWatcher. 976958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LifeCycleObject* NewLifeCycleObject() { 986958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org return new LifeCycleObject(this); 996958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org } 1006958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 1016958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org // Returns true iff |object| is the same object that this watcher is tracking. 1026958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org bool IsWatching(LifeCycleObject* object) const { 1036958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org return object == constructed_life_cycle_object_.get(); 1046958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org } 1056958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 1066958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org private: 1076958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LifeCycleState life_cycle_state_; 1086958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org scoped_ptr<LifeCycleObject> constructed_life_cycle_object_; 1096958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 1106958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org DISALLOW_COPY_AND_ASSIGN(LifeCycleWatcher); 1116958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org}; 1126958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 1136958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgTEST(ScopedVectorTest, LifeCycleWatcher) { 1146958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LifeCycleWatcher watcher; 1156958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_INITIAL, watcher.life_cycle_state()); 1166958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LifeCycleObject* object = watcher.NewLifeCycleObject(); 1176958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, watcher.life_cycle_state()); 1186958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org delete object; 1196958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_DESTROYED, watcher.life_cycle_state()); 1206958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org} 1216958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 1226958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgTEST(ScopedVectorTest, PopBack) { 1236958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LifeCycleWatcher watcher; 1246958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_INITIAL, watcher.life_cycle_state()); 1256958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ScopedVector<LifeCycleObject> scoped_vector; 1266958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org scoped_vector.push_back(watcher.NewLifeCycleObject()); 1276958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, watcher.life_cycle_state()); 1286958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(watcher.IsWatching(scoped_vector.back())); 1296958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org scoped_vector.pop_back(); 1306958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_DESTROYED, watcher.life_cycle_state()); 1316958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(scoped_vector.empty()); 1326958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org} 1336958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 1346958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgTEST(ScopedVectorTest, Clear) { 1356958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LifeCycleWatcher watcher; 1366958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_INITIAL, watcher.life_cycle_state()); 1376958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ScopedVector<LifeCycleObject> scoped_vector; 1386958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org scoped_vector.push_back(watcher.NewLifeCycleObject()); 1396958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, watcher.life_cycle_state()); 1406958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(watcher.IsWatching(scoped_vector.back())); 1416958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org scoped_vector.clear(); 1426958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_DESTROYED, watcher.life_cycle_state()); 1436958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(scoped_vector.empty()); 1446958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org} 1456958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 1466958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgTEST(ScopedVectorTest, WeakClear) { 1476958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LifeCycleWatcher watcher; 1486958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_INITIAL, watcher.life_cycle_state()); 1496958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ScopedVector<LifeCycleObject> scoped_vector; 1506958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org scoped_vector.push_back(watcher.NewLifeCycleObject()); 1516958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, watcher.life_cycle_state()); 1526958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(watcher.IsWatching(scoped_vector.back())); 1536958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org scoped_vector.weak_clear(); 1546958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, watcher.life_cycle_state()); 1556958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(scoped_vector.empty()); 1566958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org} 1576958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 1586958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgTEST(ScopedVectorTest, ResizeShrink) { 1596958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LifeCycleWatcher first_watcher; 1606958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_INITIAL, first_watcher.life_cycle_state()); 1616958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LifeCycleWatcher second_watcher; 1626958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_INITIAL, second_watcher.life_cycle_state()); 1636958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ScopedVector<LifeCycleObject> scoped_vector; 1646958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 1656958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org scoped_vector.push_back(first_watcher.NewLifeCycleObject()); 1666958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, first_watcher.life_cycle_state()); 1676958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_INITIAL, second_watcher.life_cycle_state()); 1686958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(first_watcher.IsWatching(scoped_vector[0])); 1696958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_FALSE(second_watcher.IsWatching(scoped_vector[0])); 1706958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 1716958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org scoped_vector.push_back(second_watcher.NewLifeCycleObject()); 1726958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, first_watcher.life_cycle_state()); 1736958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, second_watcher.life_cycle_state()); 1746958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_FALSE(first_watcher.IsWatching(scoped_vector[1])); 1756958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(second_watcher.IsWatching(scoped_vector[1])); 1766958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 1776958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org // Test that shrinking a vector deletes elements in the disappearing range. 1786958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org scoped_vector.resize(1); 1796958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, first_watcher.life_cycle_state()); 1806958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_DESTROYED, second_watcher.life_cycle_state()); 1816958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(1u, scoped_vector.size()); 1826958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(first_watcher.IsWatching(scoped_vector[0])); 1836958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org} 1846958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 1856958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgTEST(ScopedVectorTest, ResizeGrow) { 1866958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LifeCycleWatcher watcher; 1876958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_INITIAL, watcher.life_cycle_state()); 1886958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ScopedVector<LifeCycleObject> scoped_vector; 1896958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org scoped_vector.push_back(watcher.NewLifeCycleObject()); 1906958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, watcher.life_cycle_state()); 1916958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(watcher.IsWatching(scoped_vector.back())); 1926958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 1936958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org scoped_vector.resize(5); 1946958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, watcher.life_cycle_state()); 1956958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ASSERT_EQ(5u, scoped_vector.size()); 1966958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(watcher.IsWatching(scoped_vector[0])); 1976958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_FALSE(watcher.IsWatching(scoped_vector[1])); 1986958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_FALSE(watcher.IsWatching(scoped_vector[2])); 1996958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_FALSE(watcher.IsWatching(scoped_vector[3])); 2006958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_FALSE(watcher.IsWatching(scoped_vector[4])); 2016958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org} 2026958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 2036958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgTEST(ScopedVectorTest, Scope) { 2046958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LifeCycleWatcher watcher; 2056958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_INITIAL, watcher.life_cycle_state()); 2066958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org { 2076958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ScopedVector<LifeCycleObject> scoped_vector; 2086958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org scoped_vector.push_back(watcher.NewLifeCycleObject()); 2096958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, watcher.life_cycle_state()); 2106958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(watcher.IsWatching(scoped_vector.back())); 2116958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org } 2126958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_DESTROYED, watcher.life_cycle_state()); 2136958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org} 2146958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 2156958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgTEST(ScopedVectorTest, MoveConstruct) { 2166958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LifeCycleWatcher watcher; 2176958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_INITIAL, watcher.life_cycle_state()); 2186958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org { 2196958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ScopedVector<LifeCycleObject> scoped_vector; 2206958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org scoped_vector.push_back(watcher.NewLifeCycleObject()); 2216958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_FALSE(scoped_vector.empty()); 2226958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(watcher.IsWatching(scoped_vector.back())); 2236958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 2246958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ScopedVector<LifeCycleObject> scoped_vector_copy(scoped_vector.Pass()); 2256958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(scoped_vector.empty()); 2266958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_FALSE(scoped_vector_copy.empty()); 2276958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(watcher.IsWatching(scoped_vector_copy.back())); 2286958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 2296958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, watcher.life_cycle_state()); 2306958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org } 2316958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_DESTROYED, watcher.life_cycle_state()); 2326958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org} 2336958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 2346958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgTEST(ScopedVectorTest, MoveAssign) { 2356958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LifeCycleWatcher watcher; 2366958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_INITIAL, watcher.life_cycle_state()); 2376958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org { 2386958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ScopedVector<LifeCycleObject> scoped_vector; 2396958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org scoped_vector.push_back(watcher.NewLifeCycleObject()); 2406958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ScopedVector<LifeCycleObject> scoped_vector_assign; 2416958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_FALSE(scoped_vector.empty()); 2426958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(watcher.IsWatching(scoped_vector.back())); 2436958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 2446958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org scoped_vector_assign = scoped_vector.Pass(); 2456958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(scoped_vector.empty()); 2466958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_FALSE(scoped_vector_assign.empty()); 2476958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_TRUE(watcher.IsWatching(scoped_vector_assign.back())); 2486958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 2496958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, watcher.life_cycle_state()); 2506958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org } 2516958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_DESTROYED, watcher.life_cycle_state()); 2526958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org} 2536958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 2546958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgclass DeleteCounter { 2556958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org public: 2566958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org explicit DeleteCounter(int* deletes) 2576958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org : deletes_(deletes) { 2586958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org } 2596958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 2606958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ~DeleteCounter() { 2616958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org (*deletes_)++; 2626958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org } 2636958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 2646958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org void VoidMethod0() {} 2656958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 2666958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org private: 2676958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org int* const deletes_; 2686958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 2696958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org DISALLOW_COPY_AND_ASSIGN(DeleteCounter); 2706958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org}; 2716958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 2726958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org// This class is used in place of Chromium's base::Callback. 2736958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgtemplate <typename T> 2746958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgclass PassThru { 2756958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org public: 2766958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org explicit PassThru(ScopedVector<T> scoper) : scoper_(scoper.Pass()) {} 2776958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 2786958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ScopedVector<T> Run() { 2796958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org return scoper_.Pass(); 2806958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org } 2816958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 2826958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org private: 2836958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ScopedVector<T> scoper_; 2846958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org}; 2856958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 2866958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgTEST(ScopedVectorTest, Passed) { 2876958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org int deletes = 0; 2886958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ScopedVector<DeleteCounter> deleter_vector; 2896958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org deleter_vector.push_back(new DeleteCounter(&deletes)); 2906958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(0, deletes); 2916958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org PassThru<DeleteCounter> pass_thru(deleter_vector.Pass()); 2926958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(0, deletes); 2936958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ScopedVector<DeleteCounter> result = pass_thru.Run(); 2946958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(0, deletes); 2956958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org result.clear(); 2966958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(1, deletes); 2976958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org}; 2986958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 2996958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.orgTEST(ScopedVectorTest, InsertRange) { 3006958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org LifeCycleWatcher watchers[5]; 3016958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org size_t watchers_size = sizeof(watchers) / sizeof(*watchers); 3026958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 3036958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org std::vector<LifeCycleObject*> vec; 3046958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org for (LifeCycleWatcher* it = watchers; it != watchers + watchers_size; 3056958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ++it) { 3066958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_INITIAL, it->life_cycle_state()); 3076958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org vec.push_back(it->NewLifeCycleObject()); 3086958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, it->life_cycle_state()); 3096958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org } 3106958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org // Start scope for ScopedVector. 3116958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org { 3126958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ScopedVector<LifeCycleObject> scoped_vector; 3136958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org scoped_vector.insert(scoped_vector.end(), vec.begin() + 1, vec.begin() + 3); 3146958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org for (LifeCycleWatcher* it = watchers; it != watchers + watchers_size; 3156958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ++it) 3166958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, it->life_cycle_state()); 3176958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org } 3186958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org for (LifeCycleWatcher* it = watchers; it != watchers + 1; ++it) 3196958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, it->life_cycle_state()); 3206958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org for (LifeCycleWatcher* it = watchers + 1; it != watchers + 3; ++it) 3216958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_DESTROYED, it->life_cycle_state()); 3226958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org for (LifeCycleWatcher* it = watchers + 3; it != watchers + watchers_size; 3236958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org ++it) 3246958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org EXPECT_EQ(LC_CONSTRUCTED, it->life_cycle_state()); 3256958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org} 3266958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org 3276958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org} // namespace 3286958c0fa5ef13bb11a209e003aca5a2a32e28c06andrew@webrtc.org} // namespace webrtc 329