| 1 | #include <utility> |
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| 2 | #include <gtest/gtest.h> |
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| 3 | #include "core/object/StrongPtr.h" |
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| 4 | |
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| 5 | namespace orxonox |
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| 6 | { |
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| 7 | namespace |
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| 8 | { |
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| 9 | class DestroyableTest : public Destroyable |
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| 10 | { |
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| 11 | public: |
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| 12 | DestroyableTest(bool& destroyed) : destroyed_(destroyed) { destroyed_ = false; } |
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| 13 | virtual ~DestroyableTest() { destroyed_ = true; } |
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| 14 | |
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| 15 | private: |
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| 16 | bool& destroyed_; |
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| 17 | }; |
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| 18 | } |
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| 19 | |
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| 20 | TEST(StrongPtrTest, CanReferenceObject) |
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| 21 | { |
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| 22 | bool bla; |
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| 23 | DestroyableTest* test = new DestroyableTest(bla); |
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| 24 | StrongPtr<DestroyableTest> strongPtr = test; |
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| 25 | EXPECT_EQ(test, strongPtr.get()); |
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| 26 | EXPECT_EQ(test, &(*strongPtr)); |
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| 27 | EXPECT_EQ(static_cast<Destroyable*>(test), strongPtr.getBase()); |
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| 28 | test->destroy(); |
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| 29 | } |
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| 30 | |
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| 31 | TEST(StrongPtrTest, CanHaveMultiplePointers) |
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| 32 | { |
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| 33 | bool bla; |
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| 34 | DestroyableTest* test = new DestroyableTest(bla); |
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| 35 | StrongPtr<DestroyableTest> strongPtr1 = test; |
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| 36 | StrongPtr<DestroyableTest> strongPtr2 = test; |
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| 37 | StrongPtr<DestroyableTest> strongPtr3 = test; |
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| 38 | EXPECT_EQ(test, strongPtr1.get()); |
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| 39 | EXPECT_EQ(test, strongPtr2.get()); |
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| 40 | EXPECT_EQ(test, strongPtr3.get()); |
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| 41 | EXPECT_EQ(3u, test->getReferenceCount()); |
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| 42 | test->destroy(); |
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| 43 | } |
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| 44 | |
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| 45 | TEST(StrongPtrTest, IncreasesReferenceCount) |
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| 46 | { |
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| 47 | bool bla; |
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| 48 | DestroyableTest* test = new DestroyableTest(bla); |
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| 49 | EXPECT_EQ(0u, test->getReferenceCount()); |
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| 50 | { |
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| 51 | StrongPtr<DestroyableTest> strongPtr = test; |
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| 52 | EXPECT_EQ(1u, test->getReferenceCount()); |
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| 53 | } |
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| 54 | EXPECT_EQ(0u, test->getReferenceCount()); |
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| 55 | test->destroy(); |
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| 56 | } |
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| 57 | |
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| 58 | TEST(StrongPtrTest, DestroyDeletesInstance) |
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| 59 | { |
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| 60 | bool destroyed = false; |
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| 61 | DestroyableTest* test = new DestroyableTest(destroyed); |
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| 62 | EXPECT_FALSE(destroyed); |
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| 63 | test->destroy(); |
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| 64 | EXPECT_TRUE(destroyed); |
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| 65 | } |
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| 66 | |
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| 67 | TEST(StrongPtrTest, PreventsDestruction) |
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| 68 | { |
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| 69 | bool destroyed = false; |
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| 70 | DestroyableTest* test = new DestroyableTest(destroyed); |
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| 71 | EXPECT_FALSE(destroyed); |
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| 72 | StrongPtr<DestroyableTest> strongPtr = test; |
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| 73 | test->destroy(); |
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| 74 | EXPECT_FALSE(destroyed); |
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| 75 | } |
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| 76 | |
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| 77 | TEST(StrongPtrTest, DestroysIfStrongPtrRemoved) |
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| 78 | { |
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| 79 | bool destroyed = false; |
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| 80 | DestroyableTest* test = new DestroyableTest(destroyed); |
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| 81 | EXPECT_FALSE(destroyed); |
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| 82 | { |
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| 83 | StrongPtr<DestroyableTest> strongPtr = test; |
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| 84 | test->destroy(); |
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| 85 | EXPECT_FALSE(destroyed); |
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| 86 | } |
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| 87 | EXPECT_TRUE(destroyed); |
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| 88 | } |
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| 89 | |
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| 90 | TEST(StrongPtrTest, DestroysIfAllStrongPtrsRemoved) |
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| 91 | { |
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| 92 | bool destroyed = false; |
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| 93 | DestroyableTest* test = new DestroyableTest(destroyed); |
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| 94 | EXPECT_FALSE(destroyed); |
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| 95 | { |
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| 96 | StrongPtr<DestroyableTest> strongPtr1 = test; |
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| 97 | { |
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| 98 | StrongPtr<DestroyableTest> strongPtr2 = test; |
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| 99 | { |
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| 100 | StrongPtr<DestroyableTest> strongPtr3 = test; |
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| 101 | test->destroy(); |
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| 102 | EXPECT_FALSE(destroyed); |
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| 103 | } |
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| 104 | EXPECT_FALSE(destroyed); |
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| 105 | } |
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| 106 | EXPECT_FALSE(destroyed); |
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| 107 | } |
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| 108 | EXPECT_TRUE(destroyed); |
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| 109 | } |
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| 110 | |
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| 111 | void isNull(const StrongPtr<DestroyableTest> strongPtr) |
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| 112 | { |
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| 113 | EXPECT_TRUE(strongPtr == nullptr); |
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| 114 | EXPECT_TRUE(strongPtr == nullptr); |
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| 115 | EXPECT_TRUE(!strongPtr); |
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| 116 | EXPECT_FALSE(strongPtr != nullptr); |
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| 117 | EXPECT_FALSE(strongPtr != nullptr); |
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| 118 | EXPECT_FALSE(strongPtr); |
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| 119 | } |
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| 120 | |
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| 121 | TEST(StrongPtrTest, IsNull) |
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| 122 | { |
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| 123 | { |
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| 124 | StrongPtr<DestroyableTest> strongPtr; |
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| 125 | isNull(strongPtr); |
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| 126 | } |
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| 127 | { |
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| 128 | StrongPtr<DestroyableTest> strongPtr = nullptr; |
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| 129 | isNull(strongPtr); |
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| 130 | } |
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| 131 | { |
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| 132 | StrongPtr<DestroyableTest> strongPtr; |
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| 133 | strongPtr = nullptr; |
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| 134 | isNull(strongPtr); |
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| 135 | } |
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| 136 | { |
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| 137 | StrongPtr<DestroyableTest> strongPtr = nullptr; |
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| 138 | isNull(strongPtr); |
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| 139 | } |
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| 140 | { |
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| 141 | StrongPtr<DestroyableTest> strongPtr; |
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| 142 | strongPtr = nullptr; |
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| 143 | isNull(strongPtr); |
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| 144 | } |
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| 145 | } |
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| 146 | |
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| 147 | TEST(StrongPtrTest, IsNotNull) |
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| 148 | { |
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| 149 | bool destroyed = false; |
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| 150 | DestroyableTest* test = new DestroyableTest(destroyed); |
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| 151 | StrongPtr<DestroyableTest> strongPtr = test; |
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| 152 | EXPECT_FALSE(strongPtr == nullptr); |
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| 153 | EXPECT_FALSE(strongPtr == nullptr); |
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| 154 | EXPECT_FALSE(!strongPtr); |
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| 155 | EXPECT_TRUE(strongPtr != nullptr); |
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| 156 | EXPECT_TRUE(strongPtr != nullptr); |
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| 157 | EXPECT_TRUE(strongPtr); |
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| 158 | test->destroy(); |
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| 159 | } |
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| 160 | |
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| 161 | TEST(StrongPtrTest, TestConstructors) |
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| 162 | { |
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| 163 | bool bla; |
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| 164 | DestroyableTest* test = new DestroyableTest(bla); |
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| 165 | |
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| 166 | // default |
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| 167 | StrongPtr<DestroyableTest> strongPtr1; |
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| 168 | EXPECT_EQ(nullptr, strongPtr1.get()); |
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| 169 | |
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| 170 | // pointer |
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| 171 | StrongPtr<DestroyableTest> strongPtr2a = test; |
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| 172 | StrongPtr<DestroyableTest> strongPtr2b(test); |
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| 173 | EXPECT_EQ(test, strongPtr2a.get()); |
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| 174 | EXPECT_EQ(test, strongPtr2b.get()); |
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| 175 | |
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| 176 | // copy |
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| 177 | StrongPtr<DestroyableTest> strongPtr3a = strongPtr2a; |
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| 178 | StrongPtr<DestroyableTest> strongPtr3b(strongPtr2b); |
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| 179 | EXPECT_EQ(test, strongPtr3a.get()); |
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| 180 | EXPECT_EQ(test, strongPtr3b.get()); |
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| 181 | |
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| 182 | // move |
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| 183 | StrongPtr<DestroyableTest> strongPtr4a = std::move(strongPtr3a); |
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| 184 | StrongPtr<DestroyableTest> strongPtr4b(std::move(strongPtr3b)); |
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| 185 | EXPECT_EQ(test, strongPtr4a.get()); |
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| 186 | EXPECT_EQ(test, strongPtr4b.get()); |
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| 187 | |
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| 188 | // other |
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| 189 | StrongPtr<Destroyable> strongPtr5a = strongPtr4a; |
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| 190 | StrongPtr<Destroyable> strongPtr5b(strongPtr4b); |
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| 191 | EXPECT_EQ(test, strongPtr5a.get()); |
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| 192 | EXPECT_EQ(test, strongPtr5b.get()); |
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| 193 | |
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| 194 | // weakPtr |
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| 195 | WeakPtr<DestroyableTest> weakPtr = test; |
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| 196 | StrongPtr<DestroyableTest> strongPtr6a = weakPtr; |
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| 197 | StrongPtr<DestroyableTest> strongPtr6b(weakPtr); |
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| 198 | EXPECT_EQ(test, strongPtr6a.get()); |
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| 199 | EXPECT_EQ(test, strongPtr6b.get()); |
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| 200 | |
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| 201 | // weakPtr other |
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| 202 | StrongPtr<Destroyable> strongPtr7a = weakPtr; |
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| 203 | StrongPtr<Destroyable> strongPtr7b(weakPtr); |
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| 204 | EXPECT_EQ(test, strongPtr7a.get()); |
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| 205 | EXPECT_EQ(test, strongPtr7b.get()); |
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| 206 | |
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| 207 | test->destroy(); |
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| 208 | } |
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| 209 | |
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| 210 | TEST(StrongPtrTest, TestAssignments) |
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| 211 | { |
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| 212 | bool bla; |
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| 213 | DestroyableTest* test = new DestroyableTest(bla); |
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| 214 | |
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| 215 | // pointer |
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| 216 | StrongPtr<DestroyableTest> strongPtr1; |
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| 217 | strongPtr1 = test; |
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| 218 | EXPECT_EQ(test, strongPtr1.get()); |
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| 219 | |
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| 220 | // copy |
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| 221 | StrongPtr<DestroyableTest> strongPtr2; |
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| 222 | strongPtr2 = strongPtr1; |
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| 223 | EXPECT_EQ(test, strongPtr2.get()); |
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| 224 | |
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| 225 | // move |
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| 226 | StrongPtr<DestroyableTest> strongPtr3; |
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| 227 | strongPtr3 = std::move(strongPtr2); |
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| 228 | EXPECT_EQ(test, strongPtr3.get()); |
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| 229 | |
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| 230 | // other |
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| 231 | StrongPtr<Destroyable> strongPtr4; |
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| 232 | strongPtr4 = strongPtr3; |
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| 233 | EXPECT_EQ(test, strongPtr4.get()); |
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| 234 | |
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| 235 | // weakPtr |
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| 236 | WeakPtr<DestroyableTest> weakPtr = test; |
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| 237 | StrongPtr<DestroyableTest> strongPtr5; |
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| 238 | strongPtr5 = weakPtr; |
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| 239 | EXPECT_EQ(test, strongPtr5.get()); |
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| 240 | |
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| 241 | // weakPtr other |
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| 242 | StrongPtr<Destroyable> strongPtr6; |
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| 243 | strongPtr6 = weakPtr; |
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| 244 | EXPECT_EQ(test, strongPtr6.get()); |
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| 245 | |
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| 246 | test->destroy(); |
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| 247 | } |
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| 248 | |
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| 249 | TEST(StrongPtrTest, TestStrongPtrInVector) |
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| 250 | { |
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| 251 | bool bla; |
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| 252 | DestroyableTest* test = new DestroyableTest(bla); |
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| 253 | |
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| 254 | std::vector<StrongPtr<DestroyableTest>> vector; |
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| 255 | vector.push_back(test); |
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| 256 | vector.push_back(test); |
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| 257 | vector.push_back(test); |
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| 258 | |
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| 259 | ASSERT_EQ(3u, vector.size()); |
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| 260 | EXPECT_EQ(test, vector[0].get()); |
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| 261 | EXPECT_EQ(test, vector[1].get()); |
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| 262 | EXPECT_EQ(test, vector[2].get()); |
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| 263 | EXPECT_EQ(3u, test->getReferenceCount()); |
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| 264 | |
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| 265 | vector.clear(); |
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| 266 | EXPECT_EQ(0u, test->getReferenceCount()); |
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| 267 | |
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| 268 | test->destroy(); |
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| 269 | } |
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| 270 | |
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| 271 | TEST(StrongPtrTest, TestReset) |
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| 272 | { |
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| 273 | bool bla; |
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| 274 | DestroyableTest* test = new DestroyableTest(bla); |
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| 275 | StrongPtr<DestroyableTest> strongPtr(test); |
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| 276 | EXPECT_EQ(test, strongPtr.get()); |
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| 277 | EXPECT_EQ(1u, test->getReferenceCount()); |
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| 278 | strongPtr.reset(); |
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| 279 | EXPECT_EQ(nullptr, strongPtr.get()); |
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| 280 | EXPECT_EQ(0u, test->getReferenceCount()); |
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| 281 | |
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| 282 | test->destroy(); |
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| 283 | } |
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| 284 | |
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| 285 | TEST(StrongPtrTest, TestSwap) |
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| 286 | { |
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| 287 | bool bla; |
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| 288 | DestroyableTest* test1 = new DestroyableTest(bla); |
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| 289 | DestroyableTest* test2 = new DestroyableTest(bla); |
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| 290 | |
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| 291 | StrongPtr<DestroyableTest> strongPtr1(test1); |
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| 292 | StrongPtr<DestroyableTest> strongPtr2(test2); |
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| 293 | EXPECT_EQ(test1, strongPtr1.get()); |
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| 294 | EXPECT_EQ(test2, strongPtr2.get()); |
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| 295 | EXPECT_EQ(1u, test1->getReferenceCount()); |
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| 296 | EXPECT_EQ(1u, test2->getReferenceCount()); |
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| 297 | |
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| 298 | strongPtr1.swap(strongPtr2); |
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| 299 | |
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| 300 | EXPECT_EQ(test2, strongPtr1.get()); |
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| 301 | EXPECT_EQ(test1, strongPtr2.get()); |
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| 302 | EXPECT_EQ(1u, test1->getReferenceCount()); |
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| 303 | EXPECT_EQ(1u, test2->getReferenceCount()); |
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| 304 | |
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| 305 | test1->destroy(); |
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| 306 | test2->destroy(); |
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| 307 | } |
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| 308 | } |
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