1// Copyright 2013 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4// 5// The original source code is from: 6// http://src.chromium.org/viewvc/chrome/trunk/src/base/memory/scoped_ptr_unittest.cc?revision=79524 7 8#include <libaddressinput/util/scoped_ptr.h> 9 10#include <libaddressinput/util/basictypes.h> 11 12#include <gtest/gtest.h> 13 14namespace { 15 16using i18n::addressinput::scoped_ptr; 17 18class ConDecLogger { 19 public: 20 ConDecLogger() : ptr_(NULL) { } 21 explicit ConDecLogger(int* ptr) { set_ptr(ptr); } 22 ~ConDecLogger() { --*ptr_; } 23 24 void set_ptr(int* ptr) { ptr_ = ptr; ++*ptr_; } 25 26 int SomeMeth(int x) { return x; } 27 28 private: 29 int* ptr_; 30 DISALLOW_COPY_AND_ASSIGN(ConDecLogger); 31}; 32 33TEST(ScopedPtrTest, ScopedPtr) { 34 int constructed = 0; 35 36 { 37 scoped_ptr<ConDecLogger> scoper(new ConDecLogger(&constructed)); 38 EXPECT_EQ(1, constructed); 39 EXPECT_TRUE(scoper.get()); 40 41 EXPECT_EQ(10, scoper->SomeMeth(10)); 42 EXPECT_EQ(10, scoper.get()->SomeMeth(10)); 43 EXPECT_EQ(10, (*scoper).SomeMeth(10)); 44 } 45 EXPECT_EQ(0, constructed); 46 47 // Test reset() and release() 48 { 49 scoped_ptr<ConDecLogger> scoper(new ConDecLogger(&constructed)); 50 EXPECT_EQ(1, constructed); 51 EXPECT_TRUE(scoper.get()); 52 53 scoper.reset(new ConDecLogger(&constructed)); 54 EXPECT_EQ(1, constructed); 55 EXPECT_TRUE(scoper.get()); 56 57 scoper.reset(); 58 EXPECT_EQ(0, constructed); 59 EXPECT_FALSE(scoper.get()); 60 61 scoper.reset(new ConDecLogger(&constructed)); 62 EXPECT_EQ(1, constructed); 63 EXPECT_TRUE(scoper.get()); 64 65 ConDecLogger* take = scoper.release(); 66 EXPECT_EQ(1, constructed); 67 EXPECT_FALSE(scoper.get()); 68 delete take; 69 EXPECT_EQ(0, constructed); 70 71 scoper.reset(new ConDecLogger(&constructed)); 72 EXPECT_EQ(1, constructed); 73 EXPECT_TRUE(scoper.get()); 74 } 75 EXPECT_EQ(0, constructed); 76 77 // Test swap(), == and != 78 { 79 scoped_ptr<ConDecLogger> scoper1; 80 scoped_ptr<ConDecLogger> scoper2; 81 EXPECT_TRUE(scoper1 == scoper2.get()); 82 EXPECT_FALSE(scoper1 != scoper2.get()); 83 84 ConDecLogger* logger = new ConDecLogger(&constructed); 85 scoper1.reset(logger); 86 EXPECT_EQ(logger, scoper1.get()); 87 EXPECT_FALSE(scoper2.get()); 88 EXPECT_FALSE(scoper1 == scoper2.get()); 89 EXPECT_TRUE(scoper1 != scoper2.get()); 90 91 scoper2.swap(scoper1); 92 EXPECT_EQ(logger, scoper2.get()); 93 EXPECT_FALSE(scoper1.get()); 94 EXPECT_FALSE(scoper1 == scoper2.get()); 95 EXPECT_TRUE(scoper1 != scoper2.get()); 96 } 97 EXPECT_EQ(0, constructed); 98} 99 100} // namespace 101