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Diffstat (limited to 'Tools/TestWebKitAPI/Tests/WTF/WeakPtr.cpp')
| -rw-r--r-- | Tools/TestWebKitAPI/Tests/WTF/WeakPtr.cpp | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/Tools/TestWebKitAPI/Tests/WTF/WeakPtr.cpp b/Tools/TestWebKitAPI/Tests/WTF/WeakPtr.cpp new file mode 100644 index 000000000..5b900007a --- /dev/null +++ b/Tools/TestWebKitAPI/Tests/WTF/WeakPtr.cpp @@ -0,0 +1,187 @@ +/* + * Copyright (C) 2015 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" +#include "test.h" + +#include <wtf/WeakPtr.h> + +namespace TestWebKitAPI { + +TEST(WTF_WeakPtr, Basic) +{ + int dummy = 5; + WeakPtrFactory<int>* factory = new WeakPtrFactory<int>(&dummy); + WeakPtr<int> weakPtr1 = factory->createWeakPtr(); + WeakPtr<int> weakPtr2 = factory->createWeakPtr(); + WeakPtr<int> weakPtr3 = factory->createWeakPtr(); + EXPECT_EQ(weakPtr1.get(), &dummy); + EXPECT_EQ(weakPtr2.get(), &dummy); + EXPECT_EQ(weakPtr3.get(), &dummy); + EXPECT_TRUE(weakPtr1); + EXPECT_TRUE(weakPtr2); + EXPECT_TRUE(weakPtr3); + delete factory; + EXPECT_NULL(weakPtr1.get()); + EXPECT_NULL(weakPtr2.get()); + EXPECT_NULL(weakPtr3.get()); + EXPECT_FALSE(weakPtr1); + EXPECT_FALSE(weakPtr2); + EXPECT_FALSE(weakPtr3); +} + +TEST(WTF_WeakPtr, Assignment) +{ + int dummy = 5; + WeakPtr<int> weakPtr; + { + WeakPtrFactory<int> factory(&dummy); + EXPECT_NULL(weakPtr.get()); + weakPtr = factory.createWeakPtr(); + EXPECT_EQ(weakPtr.get(), &dummy); + } + EXPECT_NULL(weakPtr.get()); +} + +TEST(WTF_WeakPtr, MultipleFactories) +{ + int dummy1 = 5; + int dummy2 = 7; + WeakPtrFactory<int>* factory1 = new WeakPtrFactory<int>(&dummy1); + WeakPtrFactory<int>* factory2 = new WeakPtrFactory<int>(&dummy2); + WeakPtr<int> weakPtr1 = factory1->createWeakPtr(); + WeakPtr<int> weakPtr2 = factory2->createWeakPtr(); + EXPECT_EQ(weakPtr1.get(), &dummy1); + EXPECT_EQ(weakPtr2.get(), &dummy2); + delete factory1; + EXPECT_NULL(weakPtr1.get()); + EXPECT_EQ(weakPtr2.get(), &dummy2); + delete factory2; + EXPECT_NULL(weakPtr2.get()); +} + +TEST(WTF_WeakPtr, RevokeAll) +{ + int dummy = 5; + WeakPtrFactory<int> factory(&dummy); + WeakPtr<int> weakPtr1 = factory.createWeakPtr(); + WeakPtr<int> weakPtr2 = factory.createWeakPtr(); + WeakPtr<int> weakPtr3 = factory.createWeakPtr(); + EXPECT_EQ(weakPtr1.get(), &dummy); + EXPECT_EQ(weakPtr2.get(), &dummy); + EXPECT_EQ(weakPtr3.get(), &dummy); + factory.revokeAll(); + EXPECT_NULL(weakPtr1.get()); + EXPECT_NULL(weakPtr2.get()); + EXPECT_NULL(weakPtr3.get()); +} + +TEST(WTF_WeakPtr, NullFactory) +{ + WeakPtrFactory<int> factory(nullptr); + WeakPtr<int> weakPtr = factory.createWeakPtr(); + EXPECT_NULL(weakPtr.get()); + factory.revokeAll(); + EXPECT_NULL(weakPtr.get()); +} + +struct Foo { + void bar() { }; +}; + +TEST(WTF_WeakPtr, Dereference) +{ + Foo f; + WeakPtrFactory<Foo> factory(&f); + WeakPtr<Foo> weakPtr = factory.createWeakPtr(); + weakPtr->bar(); +} + +TEST(WTF_WeakPtr, Forget) +{ + int dummy = 5; + int dummy2 = 7; + + WeakPtrFactory<int> outerFactory(&dummy2); + WeakPtr<int> weakPtr1, weakPtr2, weakPtr3, weakPtr4; + { + WeakPtrFactory<int> innerFactory(&dummy); + weakPtr1 = innerFactory.createWeakPtr(); + weakPtr2 = innerFactory.createWeakPtr(); + weakPtr3 = innerFactory.createWeakPtr(); + EXPECT_EQ(weakPtr1.get(), &dummy); + EXPECT_EQ(weakPtr2.get(), &dummy); + EXPECT_EQ(weakPtr3.get(), &dummy); + weakPtr1.clear(); + weakPtr3 = nullptr; + EXPECT_NULL(weakPtr1.get()); + EXPECT_EQ(weakPtr2.get(), &dummy); + EXPECT_NULL(weakPtr3.get()); + weakPtr1.clear(); + weakPtr3.clear(); + EXPECT_NULL(weakPtr1.get()); + EXPECT_EQ(weakPtr2.get(), &dummy); + EXPECT_NULL(weakPtr3.get()); + weakPtr3 = nullptr; + EXPECT_NULL(weakPtr1.get()); + EXPECT_EQ(weakPtr2.get(), &dummy); + EXPECT_NULL(weakPtr3.get()); + + weakPtr4 = weakPtr2; + EXPECT_EQ(weakPtr2.get(), &dummy); + EXPECT_EQ(weakPtr4.get(), &dummy); + + WeakPtr<int> weakPtr5 = weakPtr2; + EXPECT_EQ(weakPtr2.get(), &dummy); + EXPECT_EQ(weakPtr5.get(), &dummy); + weakPtr5.clear(); + EXPECT_NULL(weakPtr5.get()); + EXPECT_EQ(weakPtr2.get(), &dummy); + + weakPtr4 = outerFactory.createWeakPtr(); + EXPECT_EQ(weakPtr2.get(), &dummy); + EXPECT_EQ(weakPtr4.get(), &dummy2); + } + + EXPECT_NULL(weakPtr1.get()); + EXPECT_NULL(weakPtr2.get()); + EXPECT_EQ(weakPtr4.get(), &dummy2); + + WeakPtr<int> weakPtr5 = weakPtr4; + EXPECT_EQ(weakPtr4.get(), &dummy2); + EXPECT_EQ(weakPtr5.get(), &dummy2); + weakPtr5.clear(); + EXPECT_NULL(weakPtr5.get()); + WeakPtr<int> weakPtr6 = weakPtr5; + EXPECT_NULL(weakPtr6.get()); + EXPECT_EQ(weakPtr5.get(), weakPtr6.get()); + + WeakPtr<int> weakPtr7 = outerFactory.createWeakPtr(); + EXPECT_EQ(weakPtr7.get(), &dummy2); + weakPtr7 = nullptr; + EXPECT_NULL(weakPtr7.get()); +} + +} // namespace TestWebKitAPI |