1aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// Copyright 2003, Google Inc. 2aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// All rights reserved. 3aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// 4aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// Redistribution and use in source and binary forms, with or without 5aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// modification, are permitted provided that the following conditions are 6aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// met: 7aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// 8aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// * Redistributions of source code must retain the above copyright 9aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// notice, this list of conditions and the following disclaimer. 10aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// * Redistributions in binary form must reproduce the above 11aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// copyright notice, this list of conditions and the following disclaimer 12aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// in the documentation and/or other materials provided with the 13aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// distribution. 14aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// * Neither the name of Google Inc. nor the names of its 15aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// contributors may be used to endorse or promote products derived from 16aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// this software without specific prior written permission. 17aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// 18aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// 30aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// Authors: Dan Egnor (egnor@google.com) 31aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// Ported to Windows: Vadim Berman (vadimb@google.com) 32aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter 33aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter#include "gtest/internal/gtest-linked_ptr.h" 34aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter 35aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter#include <stdlib.h> 36aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter#include "gtest/gtest.h" 37aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter 38aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchternamespace { 39aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter 40aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchterusing testing::Message; 41aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchterusing testing::internal::linked_ptr; 42aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter 43aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchterint num; 44aa46da279e2426caf1e103eb079dfec8124c5feeCourtney GoeltzenleuchterMessage* history = NULL; 45aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter 46aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// Class which tracks allocation/deallocation 47aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchterclass A { 48aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter public: 49aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter A(): mynum(num++) { *history << "A" << mynum << " ctor\n"; } 50aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter virtual ~A() { *history << "A" << mynum << " dtor\n"; } 51aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter virtual void Use() { *history << "A" << mynum << " use\n"; } 52aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter protected: 53aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter int mynum; 54aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter}; 55aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter 56aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter// Subclass 57aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchterclass B : public A { 58aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter public: 59aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter B() { *history << "B" << mynum << " ctor\n"; } 60aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter ~B() { *history << "B" << mynum << " dtor\n"; } 61aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter virtual void Use() { *history << "B" << mynum << " use\n"; } 62aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter}; 63aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter 64aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchterclass LinkedPtrTest : public testing::Test { 65aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter public: 66aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter LinkedPtrTest() { 67aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter num = 0; 68aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter history = new Message; 69aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter } 70aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter 71aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter virtual ~LinkedPtrTest() { 72aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter delete history; 73aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter history = NULL; 74aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter } 75aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter}; 76aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter 77aa46da279e2426caf1e103eb079dfec8124c5feeCourtney GoeltzenleuchterTEST_F(LinkedPtrTest, GeneralTest) { 78aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter { 79aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter linked_ptr<A> a0, a1, a2; 80aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter // Use explicit function call notation here to suppress self-assign warning. 81aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter a0.operator=(a0); 82aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter a1 = a2; 83aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter ASSERT_EQ(a0.get(), static_cast<A*>(NULL)); 84aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter ASSERT_EQ(a1.get(), static_cast<A*>(NULL)); 85aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter ASSERT_EQ(a2.get(), static_cast<A*>(NULL)); 86aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter ASSERT_TRUE(a0 == NULL); 87aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter ASSERT_TRUE(a1 == NULL); 88aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter ASSERT_TRUE(a2 == NULL); 89aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter 90aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter { 91aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter linked_ptr<A> a3(new A); 92aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter a0 = a3; 93aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter ASSERT_TRUE(a0 == a3); 94aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter ASSERT_TRUE(a0 != NULL); 95aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter ASSERT_TRUE(a0.get() == a3); 96aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter ASSERT_TRUE(a0 == a3.get()); 97aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter linked_ptr<A> a4(a0); 98aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter a1 = a4; 99aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter linked_ptr<A> a5(new A); 100aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter ASSERT_TRUE(a5.get() != a3); 101aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter ASSERT_TRUE(a5 != a3.get()); 102aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter a2 = a5; 103aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter linked_ptr<B> b0(new B); 104aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter linked_ptr<A> a6(b0); 105aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter ASSERT_TRUE(b0 == a6); 106aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter ASSERT_TRUE(a6 == b0); 107aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter ASSERT_TRUE(b0 != NULL); 108aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter a5 = b0; 109aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter a5 = b0; 110aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter a3->Use(); 111aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter a4->Use(); 112aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter a5->Use(); 113aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter a6->Use(); 114aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter b0->Use(); 115aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter (*b0).Use(); 116aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter b0.get()->Use(); 117aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter } 118aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter 119aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter a0->Use(); 120aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter a1->Use(); 121aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter a2->Use(); 122aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter 123aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter a1 = a2; 124aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter a2.reset(new A); 125aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter a0.reset(); 126aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter 127aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter linked_ptr<A> a7; 128aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter } 129aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter 130aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter ASSERT_STREQ( 131aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "A0 ctor\n" 132aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "A1 ctor\n" 133aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "A2 ctor\n" 134aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "B2 ctor\n" 135aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "A0 use\n" 136aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "A0 use\n" 137aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "B2 use\n" 138aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "B2 use\n" 139aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "B2 use\n" 140aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "B2 use\n" 141aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "B2 use\n" 142aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "B2 dtor\n" 143aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "A2 dtor\n" 144aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "A0 use\n" 145aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "A0 use\n" 146aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "A1 use\n" 147aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "A3 ctor\n" 148aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "A0 dtor\n" 149aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "A3 dtor\n" 150aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter "A1 dtor\n", 151aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter history->GetString().c_str()); 152aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter} 153aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter 154aa46da279e2426caf1e103eb079dfec8124c5feeCourtney Goeltzenleuchter} // Unnamed namespace 155