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| 1 // Copyright (c) 2006-2008 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 #include "gpu/np_utils/np_class.h" | |
| 6 #include "gpu/np_utils/np_object_mock.h" | |
| 7 #include "gpu/np_utils/np_browser_stub.h" | |
| 8 #include "gpu/np_utils/np_object_pointer.h" | |
| 9 #include "testing/gmock/include/gmock/gmock.h" | |
| 10 #include "testing/gtest/include/gtest/gtest.h" | |
| 11 | |
| 12 using testing::Return; | |
| 13 using testing::StrictMock; | |
| 14 | |
| 15 namespace np_utils { | |
| 16 | |
| 17 class DerivedNPObject : public MockNPObject { | |
| 18 public: | |
| 19 explicit DerivedNPObject(NPP npp) : MockNPObject(npp) { | |
| 20 } | |
| 21 }; | |
| 22 | |
| 23 class NPObjectPointerTest : public testing::Test { | |
| 24 protected: | |
| 25 virtual void SetUp() { | |
| 26 np_class_ = NPGetClass<StrictMock<MockNPObject> >(); | |
| 27 | |
| 28 raw_pointer_ = static_cast<MockNPObject*>( | |
| 29 NPBrowser::get()->CreateObject(NULL, np_class_)); | |
| 30 | |
| 31 raw_derived_pointer_ = static_cast<DerivedNPObject*>( | |
| 32 NPBrowser::get()->CreateObject(NULL, np_class_)); | |
| 33 } | |
| 34 | |
| 35 virtual void TearDown() { | |
| 36 NPBrowser::get()->ReleaseObject(raw_pointer_); | |
| 37 NPBrowser::get()->ReleaseObject(raw_derived_pointer_); | |
| 38 } | |
| 39 | |
| 40 StubNPBrowser stub_browser_; | |
| 41 const NPClass* np_class_; | |
| 42 MockNPObject* raw_pointer_; | |
| 43 DerivedNPObject* raw_derived_pointer_; | |
| 44 }; | |
| 45 | |
| 46 TEST_F(NPObjectPointerTest, PointerIsNullByDefault) { | |
| 47 NPObjectPointer<MockNPObject> p; | |
| 48 ASSERT_TRUE(NULL == p.Get()); | |
| 49 } | |
| 50 | |
| 51 TEST_F(NPObjectPointerTest, PointerCanBeExplicitlyConstructedFromRawPointer) { | |
| 52 EXPECT_EQ(1, raw_pointer_->referenceCount); | |
| 53 { | |
| 54 NPObjectPointer<MockNPObject> p(raw_pointer_); | |
| 55 ASSERT_TRUE(raw_pointer_ == p.Get()); | |
| 56 EXPECT_EQ(2, raw_pointer_->referenceCount); | |
| 57 } | |
| 58 EXPECT_EQ(1, raw_pointer_->referenceCount); | |
| 59 } | |
| 60 | |
| 61 TEST_F(NPObjectPointerTest, | |
| 62 PointerCanBeExplicitlyConstructedFromNullRawPointer) { | |
| 63 NPObjectPointer<MockNPObject> p(NULL); | |
| 64 ASSERT_TRUE(NULL == p.Get()); | |
| 65 } | |
| 66 | |
| 67 TEST_F(NPObjectPointerTest, PointerCanBeCopyConstructed) { | |
| 68 NPObjectPointer<MockNPObject> p1(raw_pointer_); | |
| 69 EXPECT_EQ(2, raw_pointer_->referenceCount); | |
| 70 { | |
| 71 NPObjectPointer<MockNPObject> p2(p1); | |
| 72 ASSERT_TRUE(raw_pointer_ == p2.Get()); | |
| 73 EXPECT_EQ(3, raw_pointer_->referenceCount); | |
| 74 } | |
| 75 EXPECT_EQ(2, raw_pointer_->referenceCount); | |
| 76 } | |
| 77 | |
| 78 TEST_F(NPObjectPointerTest, PointerCanBeConstructedFromDerived) { | |
| 79 NPObjectPointer<DerivedNPObject> p1(raw_derived_pointer_); | |
| 80 EXPECT_EQ(2, raw_derived_pointer_->referenceCount); | |
| 81 { | |
| 82 NPObjectPointer<MockNPObject> p2(p1); | |
| 83 ASSERT_TRUE(raw_derived_pointer_ == p2.Get()); | |
| 84 EXPECT_EQ(3, raw_derived_pointer_->referenceCount); | |
| 85 } | |
| 86 EXPECT_EQ(2, raw_derived_pointer_->referenceCount); | |
| 87 } | |
| 88 | |
| 89 TEST_F(NPObjectPointerTest, | |
| 90 PointerCanBeCopyConstructedFromNull) { | |
| 91 NPObjectPointer<MockNPObject> p(NULL); | |
| 92 ASSERT_TRUE(NULL == p.Get()); | |
| 93 } | |
| 94 | |
| 95 TEST_F(NPObjectPointerTest, PointerCanBeAssigned) { | |
| 96 NPObjectPointer<MockNPObject> p1(raw_pointer_); | |
| 97 EXPECT_EQ(2, raw_pointer_->referenceCount); | |
| 98 { | |
| 99 NPObjectPointer<MockNPObject> p2; | |
| 100 p2 = p1; | |
| 101 ASSERT_TRUE(raw_pointer_ == p2.Get()); | |
| 102 EXPECT_EQ(3, raw_pointer_->referenceCount); | |
| 103 | |
| 104 p2 = NPObjectPointer<MockNPObject>(); | |
| 105 ASSERT_TRUE(NULL == p2.Get()); | |
| 106 EXPECT_EQ(2, raw_pointer_->referenceCount); | |
| 107 | |
| 108 p2 = p1; | |
| 109 ASSERT_TRUE(raw_pointer_ == p2.Get()); | |
| 110 EXPECT_EQ(3, raw_pointer_->referenceCount); | |
| 111 } | |
| 112 EXPECT_EQ(2, raw_pointer_->referenceCount); | |
| 113 } | |
| 114 | |
| 115 TEST_F(NPObjectPointerTest, PointerCanBeAssignedToSelf) { | |
| 116 NPObjectPointer<MockNPObject> p(raw_pointer_); | |
| 117 NPBrowser::get()->ReleaseObject(raw_pointer_); | |
| 118 EXPECT_EQ(1, raw_pointer_->referenceCount); | |
| 119 p = p; | |
| 120 EXPECT_EQ(1, raw_pointer_->referenceCount); | |
| 121 NPBrowser::get()->RetainObject(raw_pointer_); | |
| 122 } | |
| 123 | |
| 124 TEST_F(NPObjectPointerTest, PointerCanBeAssignedDerived) { | |
| 125 NPObjectPointer<DerivedNPObject> p1(raw_derived_pointer_); | |
| 126 EXPECT_EQ(2, raw_derived_pointer_->referenceCount); | |
| 127 { | |
| 128 NPObjectPointer<MockNPObject> p2; | |
| 129 p2 = p1; | |
| 130 ASSERT_TRUE(raw_derived_pointer_ == p2.Get()); | |
| 131 EXPECT_EQ(3, raw_derived_pointer_->referenceCount); | |
| 132 | |
| 133 p2 = NPObjectPointer<MockNPObject>(); | |
| 134 ASSERT_TRUE(NULL == p2.Get()); | |
| 135 EXPECT_EQ(2, raw_derived_pointer_->referenceCount); | |
| 136 | |
| 137 p2 = p1; | |
| 138 ASSERT_TRUE(raw_derived_pointer_ == p2.Get()); | |
| 139 EXPECT_EQ(3, raw_derived_pointer_->referenceCount); | |
| 140 } | |
| 141 EXPECT_EQ(2, raw_derived_pointer_->referenceCount); | |
| 142 } | |
| 143 | |
| 144 TEST_F(NPObjectPointerTest, DerivedPointerCanBeAssignedToSelf) { | |
| 145 NPObjectPointer<MockNPObject> p1(raw_derived_pointer_); | |
| 146 NPObjectPointer<DerivedNPObject> p2(raw_derived_pointer_); | |
| 147 NPBrowser::get()->ReleaseObject(raw_derived_pointer_); | |
| 148 NPBrowser::get()->ReleaseObject(raw_derived_pointer_); | |
| 149 EXPECT_EQ(1, raw_derived_pointer_->referenceCount); | |
| 150 p1 = p2; | |
| 151 EXPECT_EQ(1, raw_derived_pointer_->referenceCount); | |
| 152 NPBrowser::get()->RetainObject(raw_derived_pointer_); | |
| 153 NPBrowser::get()->RetainObject(raw_derived_pointer_); | |
| 154 } | |
| 155 | |
| 156 TEST_F(NPObjectPointerTest, CanComparePointersForEqual) { | |
| 157 NPObjectPointer<MockNPObject> p1(raw_pointer_); | |
| 158 NPObjectPointer<DerivedNPObject> p2(raw_derived_pointer_); | |
| 159 EXPECT_TRUE(p1 == p1); | |
| 160 EXPECT_FALSE(p1 == p2); | |
| 161 EXPECT_FALSE(p2 == p1); | |
| 162 EXPECT_FALSE(p1 == NPObjectPointer<MockNPObject>()); | |
| 163 } | |
| 164 | |
| 165 TEST_F(NPObjectPointerTest, CanComparePointersForNotEqual) { | |
| 166 NPObjectPointer<MockNPObject> p1(raw_pointer_); | |
| 167 NPObjectPointer<DerivedNPObject> p2(raw_derived_pointer_); | |
| 168 EXPECT_FALSE(p1 != p1); | |
| 169 EXPECT_TRUE(p1 != p2); | |
| 170 EXPECT_TRUE(p2 != p1); | |
| 171 EXPECT_TRUE(p1 != NPObjectPointer<MockNPObject>()); | |
| 172 } | |
| 173 | |
| 174 TEST_F(NPObjectPointerTest, ArrowOperatorCanBeUsedToAccessNPObjectMembers) { | |
| 175 NPIdentifier name = NPBrowser::get()->GetStringIdentifier("hello"); | |
| 176 | |
| 177 EXPECT_CALL(*raw_pointer_, HasProperty(name)).WillOnce(Return(true)); | |
| 178 | |
| 179 NPObjectPointer<MockNPObject> p(raw_pointer_); | |
| 180 EXPECT_TRUE(p->HasProperty(name)); | |
| 181 } | |
| 182 | |
| 183 TEST_F(NPObjectPointerTest, StarOperatorReturnsNPObjectReference) { | |
| 184 NPObjectPointer<MockNPObject> p(raw_pointer_); | |
| 185 EXPECT_EQ(raw_pointer_, &*p); | |
| 186 } | |
| 187 | |
| 188 TEST_F(NPObjectPointerTest, PointerCanBeConstructedFromReturnedNPObject) { | |
| 189 NPBrowser::get()->RetainObject(raw_pointer_); | |
| 190 EXPECT_EQ(2, raw_pointer_->referenceCount); | |
| 191 { | |
| 192 NPObjectPointer<MockNPObject> p( | |
| 193 NPObjectPointer<MockNPObject>::FromReturned(raw_pointer_)); | |
| 194 EXPECT_EQ(2, raw_pointer_->referenceCount); | |
| 195 } | |
| 196 EXPECT_EQ(1, raw_pointer_->referenceCount); | |
| 197 } | |
| 198 | |
| 199 TEST_F(NPObjectPointerTest, PointerCanBeConstructedFromReturnedNullNPObject) { | |
| 200 NPObjectPointer<MockNPObject> p( | |
| 201 NPObjectPointer<MockNPObject>::FromReturned(NULL)); | |
| 202 EXPECT_TRUE(NULL == p.Get()); | |
| 203 } | |
| 204 | |
| 205 TEST_F(NPObjectPointerTest, PointerCanBeReturnedAsARawNPObject) { | |
| 206 NPObjectPointer<MockNPObject> p(raw_pointer_); | |
| 207 EXPECT_EQ(raw_pointer_, p.ToReturned()); | |
| 208 | |
| 209 // Check reference count is incremented before return for caller. | |
| 210 EXPECT_EQ(3, raw_pointer_->referenceCount); | |
| 211 | |
| 212 NPBrowser::get()->ReleaseObject(raw_pointer_); | |
| 213 } | |
| 214 | |
| 215 TEST_F(NPObjectPointerTest, NULLPointerCanBeReturnedAsARawNPObject) { | |
| 216 NPObjectPointer<MockNPObject> p; | |
| 217 EXPECT_TRUE(NULL == p.ToReturned()); | |
| 218 } | |
| 219 | |
| 220 } // namespace np_utils | |
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