113481Sgiacomo.travaglini@arm.com// Copyright 2003, Google Inc. 213481Sgiacomo.travaglini@arm.com// All rights reserved. 313481Sgiacomo.travaglini@arm.com// 413481Sgiacomo.travaglini@arm.com// Redistribution and use in source and binary forms, with or without 513481Sgiacomo.travaglini@arm.com// modification, are permitted provided that the following conditions are 613481Sgiacomo.travaglini@arm.com// met: 713481Sgiacomo.travaglini@arm.com// 813481Sgiacomo.travaglini@arm.com// * Redistributions of source code must retain the above copyright 913481Sgiacomo.travaglini@arm.com// notice, this list of conditions and the following disclaimer. 1013481Sgiacomo.travaglini@arm.com// * Redistributions in binary form must reproduce the above 1113481Sgiacomo.travaglini@arm.com// copyright notice, this list of conditions and the following disclaimer 1213481Sgiacomo.travaglini@arm.com// in the documentation and/or other materials provided with the 1313481Sgiacomo.travaglini@arm.com// distribution. 1413481Sgiacomo.travaglini@arm.com// * Neither the name of Google Inc. nor the names of its 1513481Sgiacomo.travaglini@arm.com// contributors may be used to endorse or promote products derived from 1613481Sgiacomo.travaglini@arm.com// this software without specific prior written permission. 1713481Sgiacomo.travaglini@arm.com// 1813481Sgiacomo.travaglini@arm.com// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1913481Sgiacomo.travaglini@arm.com// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2013481Sgiacomo.travaglini@arm.com// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2113481Sgiacomo.travaglini@arm.com// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2213481Sgiacomo.travaglini@arm.com// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2313481Sgiacomo.travaglini@arm.com// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2413481Sgiacomo.travaglini@arm.com// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2513481Sgiacomo.travaglini@arm.com// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2613481Sgiacomo.travaglini@arm.com// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2713481Sgiacomo.travaglini@arm.com// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2813481Sgiacomo.travaglini@arm.com// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2913481Sgiacomo.travaglini@arm.com// 3013481Sgiacomo.travaglini@arm.com// Authors: Dan Egnor (egnor@google.com) 3113481Sgiacomo.travaglini@arm.com// Ported to Windows: Vadim Berman (vadimb@google.com) 3213481Sgiacomo.travaglini@arm.com 3313481Sgiacomo.travaglini@arm.com#include "gtest/internal/gtest-linked_ptr.h" 3413481Sgiacomo.travaglini@arm.com 3513481Sgiacomo.travaglini@arm.com#include <stdlib.h> 3613481Sgiacomo.travaglini@arm.com#include "gtest/gtest.h" 3713481Sgiacomo.travaglini@arm.com 3813481Sgiacomo.travaglini@arm.comnamespace { 3913481Sgiacomo.travaglini@arm.com 4013481Sgiacomo.travaglini@arm.comusing testing::Message; 4113481Sgiacomo.travaglini@arm.comusing testing::internal::linked_ptr; 4213481Sgiacomo.travaglini@arm.com 4313481Sgiacomo.travaglini@arm.comint num; 4413481Sgiacomo.travaglini@arm.comMessage* history = NULL; 4513481Sgiacomo.travaglini@arm.com 4613481Sgiacomo.travaglini@arm.com// Class which tracks allocation/deallocation 4713481Sgiacomo.travaglini@arm.comclass A { 4813481Sgiacomo.travaglini@arm.com public: 4913481Sgiacomo.travaglini@arm.com A(): mynum(num++) { *history << "A" << mynum << " ctor\n"; } 5013481Sgiacomo.travaglini@arm.com virtual ~A() { *history << "A" << mynum << " dtor\n"; } 5113481Sgiacomo.travaglini@arm.com virtual void Use() { *history << "A" << mynum << " use\n"; } 5213481Sgiacomo.travaglini@arm.com protected: 5313481Sgiacomo.travaglini@arm.com int mynum; 5413481Sgiacomo.travaglini@arm.com}; 5513481Sgiacomo.travaglini@arm.com 5613481Sgiacomo.travaglini@arm.com// Subclass 5713481Sgiacomo.travaglini@arm.comclass B : public A { 5813481Sgiacomo.travaglini@arm.com public: 5913481Sgiacomo.travaglini@arm.com B() { *history << "B" << mynum << " ctor\n"; } 6013481Sgiacomo.travaglini@arm.com ~B() { *history << "B" << mynum << " dtor\n"; } 6113481Sgiacomo.travaglini@arm.com virtual void Use() { *history << "B" << mynum << " use\n"; } 6213481Sgiacomo.travaglini@arm.com}; 6313481Sgiacomo.travaglini@arm.com 6413481Sgiacomo.travaglini@arm.comclass LinkedPtrTest : public testing::Test { 6513481Sgiacomo.travaglini@arm.com public: 6613481Sgiacomo.travaglini@arm.com LinkedPtrTest() { 6713481Sgiacomo.travaglini@arm.com num = 0; 6813481Sgiacomo.travaglini@arm.com history = new Message; 6913481Sgiacomo.travaglini@arm.com } 7013481Sgiacomo.travaglini@arm.com 7113481Sgiacomo.travaglini@arm.com virtual ~LinkedPtrTest() { 7213481Sgiacomo.travaglini@arm.com delete history; 7313481Sgiacomo.travaglini@arm.com history = NULL; 7413481Sgiacomo.travaglini@arm.com } 7513481Sgiacomo.travaglini@arm.com}; 7613481Sgiacomo.travaglini@arm.com 7713481Sgiacomo.travaglini@arm.comTEST_F(LinkedPtrTest, GeneralTest) { 7813481Sgiacomo.travaglini@arm.com { 7913481Sgiacomo.travaglini@arm.com linked_ptr<A> a0, a1, a2; 8013481Sgiacomo.travaglini@arm.com // Use explicit function call notation here to suppress self-assign warning. 8113481Sgiacomo.travaglini@arm.com a0.operator=(a0); 8213481Sgiacomo.travaglini@arm.com a1 = a2; 8313481Sgiacomo.travaglini@arm.com ASSERT_EQ(a0.get(), static_cast<A*>(NULL)); 8413481Sgiacomo.travaglini@arm.com ASSERT_EQ(a1.get(), static_cast<A*>(NULL)); 8513481Sgiacomo.travaglini@arm.com ASSERT_EQ(a2.get(), static_cast<A*>(NULL)); 8613481Sgiacomo.travaglini@arm.com ASSERT_TRUE(a0 == NULL); 8713481Sgiacomo.travaglini@arm.com ASSERT_TRUE(a1 == NULL); 8813481Sgiacomo.travaglini@arm.com ASSERT_TRUE(a2 == NULL); 8913481Sgiacomo.travaglini@arm.com 9013481Sgiacomo.travaglini@arm.com { 9113481Sgiacomo.travaglini@arm.com linked_ptr<A> a3(new A); 9213481Sgiacomo.travaglini@arm.com a0 = a3; 9313481Sgiacomo.travaglini@arm.com ASSERT_TRUE(a0 == a3); 9413481Sgiacomo.travaglini@arm.com ASSERT_TRUE(a0 != NULL); 9513481Sgiacomo.travaglini@arm.com ASSERT_TRUE(a0.get() == a3); 9613481Sgiacomo.travaglini@arm.com ASSERT_TRUE(a0 == a3.get()); 9713481Sgiacomo.travaglini@arm.com linked_ptr<A> a4(a0); 9813481Sgiacomo.travaglini@arm.com a1 = a4; 9913481Sgiacomo.travaglini@arm.com linked_ptr<A> a5(new A); 10013481Sgiacomo.travaglini@arm.com ASSERT_TRUE(a5.get() != a3); 10113481Sgiacomo.travaglini@arm.com ASSERT_TRUE(a5 != a3.get()); 10213481Sgiacomo.travaglini@arm.com a2 = a5; 10313481Sgiacomo.travaglini@arm.com linked_ptr<B> b0(new B); 10413481Sgiacomo.travaglini@arm.com linked_ptr<A> a6(b0); 10513481Sgiacomo.travaglini@arm.com ASSERT_TRUE(b0 == a6); 10613481Sgiacomo.travaglini@arm.com ASSERT_TRUE(a6 == b0); 10713481Sgiacomo.travaglini@arm.com ASSERT_TRUE(b0 != NULL); 10813481Sgiacomo.travaglini@arm.com a5 = b0; 10913481Sgiacomo.travaglini@arm.com a5 = b0; 11013481Sgiacomo.travaglini@arm.com a3->Use(); 11113481Sgiacomo.travaglini@arm.com a4->Use(); 11213481Sgiacomo.travaglini@arm.com a5->Use(); 11313481Sgiacomo.travaglini@arm.com a6->Use(); 11413481Sgiacomo.travaglini@arm.com b0->Use(); 11513481Sgiacomo.travaglini@arm.com (*b0).Use(); 11613481Sgiacomo.travaglini@arm.com b0.get()->Use(); 11713481Sgiacomo.travaglini@arm.com } 11813481Sgiacomo.travaglini@arm.com 11913481Sgiacomo.travaglini@arm.com a0->Use(); 12013481Sgiacomo.travaglini@arm.com a1->Use(); 12113481Sgiacomo.travaglini@arm.com a2->Use(); 12213481Sgiacomo.travaglini@arm.com 12313481Sgiacomo.travaglini@arm.com a1 = a2; 12413481Sgiacomo.travaglini@arm.com a2.reset(new A); 12513481Sgiacomo.travaglini@arm.com a0.reset(); 12613481Sgiacomo.travaglini@arm.com 12713481Sgiacomo.travaglini@arm.com linked_ptr<A> a7; 12813481Sgiacomo.travaglini@arm.com } 12913481Sgiacomo.travaglini@arm.com 13013481Sgiacomo.travaglini@arm.com ASSERT_STREQ( 13113481Sgiacomo.travaglini@arm.com "A0 ctor\n" 13213481Sgiacomo.travaglini@arm.com "A1 ctor\n" 13313481Sgiacomo.travaglini@arm.com "A2 ctor\n" 13413481Sgiacomo.travaglini@arm.com "B2 ctor\n" 13513481Sgiacomo.travaglini@arm.com "A0 use\n" 13613481Sgiacomo.travaglini@arm.com "A0 use\n" 13713481Sgiacomo.travaglini@arm.com "B2 use\n" 13813481Sgiacomo.travaglini@arm.com "B2 use\n" 13913481Sgiacomo.travaglini@arm.com "B2 use\n" 14013481Sgiacomo.travaglini@arm.com "B2 use\n" 14113481Sgiacomo.travaglini@arm.com "B2 use\n" 14213481Sgiacomo.travaglini@arm.com "B2 dtor\n" 14313481Sgiacomo.travaglini@arm.com "A2 dtor\n" 14413481Sgiacomo.travaglini@arm.com "A0 use\n" 14513481Sgiacomo.travaglini@arm.com "A0 use\n" 14613481Sgiacomo.travaglini@arm.com "A1 use\n" 14713481Sgiacomo.travaglini@arm.com "A3 ctor\n" 14813481Sgiacomo.travaglini@arm.com "A0 dtor\n" 14913481Sgiacomo.travaglini@arm.com "A3 dtor\n" 15013481Sgiacomo.travaglini@arm.com "A1 dtor\n", 15113481Sgiacomo.travaglini@arm.com history->GetString().c_str()); 15213481Sgiacomo.travaglini@arm.com} 15313481Sgiacomo.travaglini@arm.com 15413481Sgiacomo.travaglini@arm.com} // Unnamed namespace 155