| /* |
| * Copyright (C) 2011 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 "wtf/Functional.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "wtf/RefCounted.h" |
| #include "wtf/WeakPtr.h" |
| #include <utility> |
| |
| namespace WTF { |
| |
| class UnwrappedClass { |
| public: |
| explicit UnwrappedClass(int value) : m_value(value) {} |
| |
| int value() const { return m_value; } |
| |
| private: |
| int m_value; |
| }; |
| |
| // This class must be wrapped in bind() and unwrapped in closure execution. |
| class ClassToBeWrapped { |
| WTF_MAKE_NONCOPYABLE(ClassToBeWrapped); |
| |
| public: |
| explicit ClassToBeWrapped(int value) : m_value(value) {} |
| |
| int value() const { return m_value; } |
| |
| private: |
| int m_value; |
| }; |
| |
| class WrappedClass { |
| public: |
| WrappedClass(const ClassToBeWrapped& to_be_wrapped) |
| : m_value(to_be_wrapped.value()) {} |
| |
| explicit WrappedClass(int value) : m_value(value) {} |
| |
| UnwrappedClass unwrap() const { return UnwrappedClass(m_value); } |
| |
| private: |
| int m_value; |
| }; |
| |
| template <> |
| struct ParamStorageTraits<ClassToBeWrapped> { |
| using StorageType = WrappedClass; |
| }; |
| |
| class HasWeakPtrSupport { |
| public: |
| HasWeakPtrSupport() : m_weakPtrFactory(this) {} |
| |
| WTF::WeakPtr<HasWeakPtrSupport> createWeakPtr() { |
| return m_weakPtrFactory.createWeakPtr(); |
| } |
| |
| void revokeAll() { m_weakPtrFactory.revokeAll(); } |
| |
| void increment(int* counter) { ++*counter; } |
| |
| private: |
| WTF::WeakPtrFactory<HasWeakPtrSupport> m_weakPtrFactory; |
| }; |
| |
| } // namespace WTF |
| |
| namespace base { |
| |
| template <> |
| struct BindUnwrapTraits<WTF::WrappedClass> { |
| static WTF::UnwrappedClass Unwrap(const WTF::WrappedClass& wrapped) { |
| return wrapped.unwrap(); |
| } |
| }; |
| |
| } // namespace base |
| |
| namespace WTF { |
| namespace { |
| |
| int returnFortyTwo() { |
| return 42; |
| } |
| |
| TEST(FunctionalTest, Basic) { |
| std::unique_ptr<Function<int()>> returnFortyTwoFunction = |
| bind(returnFortyTwo); |
| EXPECT_EQ(42, (*returnFortyTwoFunction)()); |
| } |
| |
| int multiplyByTwo(int n) { |
| return n * 2; |
| } |
| |
| double multiplyByOneAndAHalf(double d) { |
| return d * 1.5; |
| } |
| |
| TEST(FunctionalTest, UnaryBind) { |
| std::unique_ptr<Function<int()>> multiplyFourByTwoFunction = |
| bind(multiplyByTwo, 4); |
| EXPECT_EQ(8, (*multiplyFourByTwoFunction)()); |
| |
| std::unique_ptr<Function<double()>> multiplyByOneAndAHalfFunction = |
| bind(multiplyByOneAndAHalf, 3); |
| EXPECT_EQ(4.5, (*multiplyByOneAndAHalfFunction)()); |
| } |
| |
| TEST(FunctionalTest, UnaryPartBind) { |
| std::unique_ptr<Function<int(int)>> multiplyByTwoFunction = |
| bind(multiplyByTwo); |
| EXPECT_EQ(8, (*multiplyByTwoFunction)(4)); |
| |
| std::unique_ptr<Function<double(double)>> multiplyByOneAndAHalfFunction = |
| bind(multiplyByOneAndAHalf); |
| EXPECT_EQ(4.5, (*multiplyByOneAndAHalfFunction)(3)); |
| } |
| |
| int multiply(int x, int y) { |
| return x * y; |
| } |
| |
| int subtract(int x, int y) { |
| return x - y; |
| } |
| |
| TEST(FunctionalTest, BinaryBind) { |
| std::unique_ptr<Function<int()>> multiplyFourByTwoFunction = |
| bind(multiply, 4, 2); |
| EXPECT_EQ(8, (*multiplyFourByTwoFunction)()); |
| |
| std::unique_ptr<Function<int()>> subtractTwoFromFourFunction = |
| bind(subtract, 4, 2); |
| EXPECT_EQ(2, (*subtractTwoFromFourFunction)()); |
| } |
| |
| TEST(FunctionalTest, BinaryPartBind) { |
| std::unique_ptr<Function<int(int)>> multiplyFourFunction = bind(multiply, 4); |
| EXPECT_EQ(8, (*multiplyFourFunction)(2)); |
| std::unique_ptr<Function<int(int, int)>> multiplyFunction = bind(multiply); |
| EXPECT_EQ(8, (*multiplyFunction)(4, 2)); |
| |
| std::unique_ptr<Function<int(int)>> subtractFromFourFunction = |
| bind(subtract, 4); |
| EXPECT_EQ(2, (*subtractFromFourFunction)(2)); |
| std::unique_ptr<Function<int(int, int)>> subtractFunction = bind(subtract); |
| EXPECT_EQ(2, (*subtractFunction)(4, 2)); |
| } |
| |
| void sixArgFunc(int a, double b, char c, int* d, double* e, char* f) { |
| *d = a; |
| *e = b; |
| *f = c; |
| } |
| |
| void assertArgs(int actualInt, |
| double actualDouble, |
| char actualChar, |
| int expectedInt, |
| double expectedDouble, |
| char expectedChar) { |
| EXPECT_EQ(expectedInt, actualInt); |
| EXPECT_EQ(expectedDouble, actualDouble); |
| EXPECT_EQ(expectedChar, actualChar); |
| } |
| |
| TEST(FunctionalTest, MultiPartBind) { |
| int a = 0; |
| double b = 0.5; |
| char c = 'a'; |
| |
| std::unique_ptr<Function<void(int, double, char, int*, double*, char*)>> |
| unbound = bind(sixArgFunc); |
| (*unbound)(1, 1.5, 'b', &a, &b, &c); |
| assertArgs(a, b, c, 1, 1.5, 'b'); |
| |
| std::unique_ptr<Function<void(double, char, int*, double*, char*)>> oneBound = |
| bind(sixArgFunc, 2); |
| (*oneBound)(2.5, 'c', &a, &b, &c); |
| assertArgs(a, b, c, 2, 2.5, 'c'); |
| |
| std::unique_ptr<Function<void(char, int*, double*, char*)>> twoBound = |
| bind(sixArgFunc, 3, 3.5); |
| (*twoBound)('d', &a, &b, &c); |
| assertArgs(a, b, c, 3, 3.5, 'd'); |
| |
| std::unique_ptr<Function<void(int*, double*, char*)>> threeBound = |
| bind(sixArgFunc, 4, 4.5, 'e'); |
| (*threeBound)(&a, &b, &c); |
| assertArgs(a, b, c, 4, 4.5, 'e'); |
| |
| std::unique_ptr<Function<void(double*, char*)>> fourBound = |
| bind(sixArgFunc, 5, 5.5, 'f', WTF::unretained(&a)); |
| (*fourBound)(&b, &c); |
| assertArgs(a, b, c, 5, 5.5, 'f'); |
| |
| std::unique_ptr<Function<void(char*)>> fiveBound = |
| bind(sixArgFunc, 6, 6.5, 'g', WTF::unretained(&a), WTF::unretained(&b)); |
| (*fiveBound)(&c); |
| assertArgs(a, b, c, 6, 6.5, 'g'); |
| |
| std::unique_ptr<Function<void()>> sixBound = |
| bind(sixArgFunc, 7, 7.5, 'h', WTF::unretained(&a), WTF::unretained(&b), |
| WTF::unretained(&c)); |
| (*sixBound)(); |
| assertArgs(a, b, c, 7, 7.5, 'h'); |
| } |
| |
| class A { |
| public: |
| explicit A(int i) : m_i(i) {} |
| |
| int f() { return m_i; } |
| int addF(int j) { return m_i + j; } |
| virtual int overridden() { return 42; } |
| |
| private: |
| int m_i; |
| }; |
| |
| class B : public A { |
| public: |
| explicit B(int i) : A(i) {} |
| |
| int f() { return A::f() + 1; } |
| int addF(int j) { return A::addF(j) + 1; } |
| int overridden() override { return 43; } |
| }; |
| |
| TEST(FunctionalTest, MemberFunctionBind) { |
| A a(10); |
| std::unique_ptr<Function<int()>> function1 = bind(&A::f, WTF::unretained(&a)); |
| EXPECT_EQ(10, (*function1)()); |
| |
| std::unique_ptr<Function<int()>> function2 = |
| bind(&A::addF, WTF::unretained(&a), 15); |
| EXPECT_EQ(25, (*function2)()); |
| |
| std::unique_ptr<Function<int()>> function3 = |
| bind(&A::overridden, WTF::unretained(&a)); |
| EXPECT_EQ(42, (*function3)()); |
| } |
| |
| TEST(FunctionalTest, MemberFunctionBindWithSubclassPointer) { |
| B b(10); |
| std::unique_ptr<Function<int()>> function1 = bind(&A::f, WTF::unretained(&b)); |
| EXPECT_EQ(10, (*function1)()); |
| |
| std::unique_ptr<Function<int()>> function2 = |
| bind(&A::addF, WTF::unretained(&b), 15); |
| EXPECT_EQ(25, (*function2)()); |
| |
| std::unique_ptr<Function<int()>> function3 = |
| bind(&A::overridden, WTF::unretained(&b)); |
| EXPECT_EQ(43, (*function3)()); |
| |
| std::unique_ptr<Function<int()>> function4 = bind(&B::f, WTF::unretained(&b)); |
| EXPECT_EQ(11, (*function4)()); |
| |
| std::unique_ptr<Function<int()>> function5 = |
| bind(&B::addF, WTF::unretained(&b), 15); |
| EXPECT_EQ(26, (*function5)()); |
| } |
| |
| TEST(FunctionalTest, MemberFunctionBindWithSubclassPointerWithCast) { |
| B b(10); |
| std::unique_ptr<Function<int()>> function1 = |
| bind(&A::f, WTF::unretained(static_cast<A*>(&b))); |
| EXPECT_EQ(10, (*function1)()); |
| |
| std::unique_ptr<Function<int()>> function2 = |
| bind(&A::addF, WTF::unretained(static_cast<A*>(&b)), 15); |
| EXPECT_EQ(25, (*function2)()); |
| |
| std::unique_ptr<Function<int()>> function3 = |
| bind(&A::overridden, WTF::unretained(static_cast<A*>(&b))); |
| EXPECT_EQ(43, (*function3)()); |
| } |
| |
| TEST(FunctionalTest, MemberFunctionPartBind) { |
| A a(10); |
| std::unique_ptr<Function<int(class A*)>> function1 = bind(&A::f); |
| EXPECT_EQ(10, (*function1)(&a)); |
| |
| std::unique_ptr<Function<int(class A*, int)>> unboundFunction2 = |
| bind(&A::addF); |
| EXPECT_EQ(25, (*unboundFunction2)(&a, 15)); |
| std::unique_ptr<Function<int(int)>> objectBoundFunction2 = |
| bind(&A::addF, WTF::unretained(&a)); |
| EXPECT_EQ(25, (*objectBoundFunction2)(15)); |
| } |
| |
| TEST(FunctionalTest, MemberFunctionBindByUniquePtr) { |
| std::unique_ptr<Function<int()>> function1 = |
| WTF::bind(&A::f, WTF::makeUnique<A>(10)); |
| EXPECT_EQ(10, (*function1)()); |
| } |
| |
| TEST(FunctionalTest, MemberFunctionBindByPassedUniquePtr) { |
| std::unique_ptr<Function<int()>> function1 = |
| WTF::bind(&A::f, WTF::passed(WTF::makeUnique<A>(10))); |
| EXPECT_EQ(10, (*function1)()); |
| } |
| |
| class Number : public RefCounted<Number> { |
| public: |
| static PassRefPtr<Number> create(int value) { |
| return adoptRef(new Number(value)); |
| } |
| |
| ~Number() { m_value = 0; } |
| |
| int value() const { return m_value; } |
| |
| private: |
| explicit Number(int value) : m_value(value) {} |
| |
| int m_value; |
| }; |
| |
| int multiplyNumberByTwo(Number* number) { |
| return number->value() * 2; |
| } |
| |
| TEST(FunctionalTest, RefCountedStorage) { |
| RefPtr<Number> five = Number::create(5); |
| EXPECT_EQ(1, five->refCount()); |
| std::unique_ptr<Function<int()>> multiplyFiveByTwoFunction = |
| bind(multiplyNumberByTwo, five); |
| EXPECT_EQ(2, five->refCount()); |
| EXPECT_EQ(10, (*multiplyFiveByTwoFunction)()); |
| EXPECT_EQ(2, five->refCount()); |
| |
| std::unique_ptr<Function<int()>> multiplyFourByTwoFunction = |
| bind(multiplyNumberByTwo, Number::create(4)); |
| EXPECT_EQ(8, (*multiplyFourByTwoFunction)()); |
| |
| RefPtr<Number> six = Number::create(6); |
| std::unique_ptr<Function<int()>> multiplySixByTwoFunction = |
| bind(multiplyNumberByTwo, six.release()); |
| EXPECT_FALSE(six); |
| EXPECT_EQ(12, (*multiplySixByTwoFunction)()); |
| } |
| |
| TEST(FunctionalTest, UnretainedWithRefCounted) { |
| RefPtr<Number> five = Number::create(5); |
| EXPECT_EQ(1, five->refCount()); |
| std::unique_ptr<Function<int()>> multiplyFiveByTwoFunction = |
| bind(multiplyNumberByTwo, WTF::unretained(five.get())); |
| EXPECT_EQ(1, five->refCount()); |
| EXPECT_EQ(10, (*multiplyFiveByTwoFunction)()); |
| EXPECT_EQ(1, five->refCount()); |
| } |
| |
| int processUnwrappedClass(const UnwrappedClass& u, int v) { |
| return u.value() * v; |
| } |
| |
| // Tests that: |
| // - ParamStorageTraits's wrap()/unwrap() are called, and |
| // - bind()'s arguments are passed as references to ParamStorageTraits::wrap() |
| // with no additional copies. |
| // This test would fail in compile if something is wrong, |
| // rather than in runtime. |
| TEST(FunctionalTest, WrapUnwrap) { |
| std::unique_ptr<Function<int()>> function = |
| bind(processUnwrappedClass, ClassToBeWrapped(3), 7); |
| EXPECT_EQ(21, (*function)()); |
| } |
| |
| TEST(FunctionalTest, WrapUnwrapInPartialBind) { |
| std::unique_ptr<Function<int(int)>> partiallyBoundFunction = |
| bind(processUnwrappedClass, ClassToBeWrapped(3)); |
| EXPECT_EQ(21, (*partiallyBoundFunction)(7)); |
| } |
| |
| bool lotsOfArguments(int first, |
| int second, |
| int third, |
| int fourth, |
| int fifth, |
| int sixth, |
| int seventh, |
| int eighth, |
| int ninth, |
| int tenth) { |
| return first == 1 && second == 2 && third == 3 && fourth == 4 && fifth == 5 && |
| sixth == 6 && seventh == 7 && eighth == 8 && ninth == 9 && tenth == 10; |
| } |
| |
| TEST(FunctionalTest, LotsOfBoundVariables) { |
| std::unique_ptr<Function<bool(int, int)>> eightBound = |
| bind(lotsOfArguments, 1, 2, 3, 4, 5, 6, 7, 8); |
| EXPECT_TRUE((*eightBound)(9, 10)); |
| |
| std::unique_ptr<Function<bool(int)>> nineBound = |
| bind(lotsOfArguments, 1, 2, 3, 4, 5, 6, 7, 8, 9); |
| EXPECT_TRUE((*nineBound)(10)); |
| |
| std::unique_ptr<Function<bool()>> allBound = |
| bind(lotsOfArguments, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10); |
| EXPECT_TRUE((*allBound)()); |
| } |
| |
| class MoveOnly { |
| public: |
| explicit MoveOnly(int value) : m_value(value) {} |
| MoveOnly(MoveOnly&& other) : m_value(other.m_value) { |
| // Reset the value on move. |
| other.m_value = 0; |
| } |
| |
| int value() const { return m_value; } |
| |
| private: |
| MoveOnly(const MoveOnly&) = delete; |
| MoveOnly& operator=(const MoveOnly&) = delete; |
| |
| // Disable move-assignment, since it isn't used within bind(). |
| MoveOnly& operator=(MoveOnly&&) = delete; |
| |
| int m_value; |
| }; |
| |
| int singleMoveOnlyByRvalueReference(MoveOnly&& moveOnly) { |
| int value = moveOnly.value(); |
| MoveOnly(std::move(moveOnly)); |
| return value; |
| } |
| |
| int tripleMoveOnlysByRvalueReferences(MoveOnly&& first, |
| MoveOnly&& second, |
| MoveOnly&& third) { |
| int value = first.value() + second.value() + third.value(); |
| MoveOnly(std::move(first)); |
| MoveOnly(std::move(second)); |
| MoveOnly(std::move(third)); |
| return value; |
| } |
| |
| int singleMoveOnlyByValue(MoveOnly moveOnly) { |
| return moveOnly.value(); |
| } |
| |
| int tripleMoveOnlysByValues(MoveOnly first, MoveOnly second, MoveOnly third) { |
| return first.value() + second.value() + third.value(); |
| } |
| |
| TEST(FunctionalTest, BindMoveOnlyObjects) { |
| MoveOnly one(1); |
| std::unique_ptr<Function<int()>> bound = |
| bind(singleMoveOnlyByRvalueReference, WTF::passed(std::move(one))); |
| EXPECT_EQ(0, one.value()); // Should be moved away. |
| EXPECT_EQ(1, (*bound)()); |
| // The stored value must be cleared in the first function call. |
| EXPECT_EQ(0, (*bound)()); |
| |
| bound = bind(singleMoveOnlyByValue, WTF::passed(MoveOnly(1))); |
| EXPECT_EQ(1, (*bound)()); |
| EXPECT_EQ(0, (*bound)()); |
| |
| bound = bind(tripleMoveOnlysByRvalueReferences, WTF::passed(MoveOnly(1)), |
| WTF::passed(MoveOnly(2)), WTF::passed(MoveOnly(3))); |
| EXPECT_EQ(6, (*bound)()); |
| EXPECT_EQ(0, (*bound)()); |
| |
| bound = bind(tripleMoveOnlysByValues, WTF::passed(MoveOnly(1)), |
| WTF::passed(MoveOnly(2)), WTF::passed(MoveOnly(3))); |
| EXPECT_EQ(6, (*bound)()); |
| EXPECT_EQ(0, (*bound)()); |
| } |
| |
| class CountCopy { |
| public: |
| CountCopy() : m_copies(0) {} |
| CountCopy(const CountCopy& other) : m_copies(other.m_copies + 1) {} |
| |
| int copies() const { return m_copies; } |
| |
| private: |
| // Copy/move-assignment is not needed in the test. |
| CountCopy& operator=(const CountCopy&) = delete; |
| CountCopy& operator=(CountCopy&&) = delete; |
| |
| int m_copies; |
| }; |
| |
| int takeCountCopyAsConstReference(const CountCopy& counter) { |
| return counter.copies(); |
| } |
| |
| int takeCountCopyAsValue(CountCopy counter) { |
| return counter.copies(); |
| } |
| |
| TEST(FunctionalTest, CountCopiesOfBoundArguments) { |
| CountCopy lvalue; |
| std::unique_ptr<Function<int()>> bound = |
| bind(takeCountCopyAsConstReference, lvalue); |
| EXPECT_EQ(2, (*bound)()); // wrapping and unwrapping. |
| |
| bound = bind(takeCountCopyAsConstReference, CountCopy()); // Rvalue. |
| EXPECT_EQ(2, (*bound)()); |
| |
| bound = bind(takeCountCopyAsValue, lvalue); |
| // wrapping, unwrapping and copying in the final function argument. |
| EXPECT_EQ(3, (*bound)()); |
| |
| bound = bind(takeCountCopyAsValue, CountCopy()); |
| EXPECT_EQ(3, (*bound)()); |
| } |
| |
| TEST(FunctionalTest, MoveUnboundArgumentsByRvalueReference) { |
| std::unique_ptr<Function<int(MoveOnly &&)>> boundSingle = |
| bind(singleMoveOnlyByRvalueReference); |
| EXPECT_EQ(1, (*boundSingle)(MoveOnly(1))); |
| EXPECT_EQ(42, (*boundSingle)(MoveOnly(42))); |
| |
| std::unique_ptr<Function<int(MoveOnly&&, MoveOnly&&, MoveOnly &&)>> |
| boundTriple = bind(tripleMoveOnlysByRvalueReferences); |
| EXPECT_EQ(6, (*boundTriple)(MoveOnly(1), MoveOnly(2), MoveOnly(3))); |
| EXPECT_EQ(666, (*boundTriple)(MoveOnly(111), MoveOnly(222), MoveOnly(333))); |
| |
| std::unique_ptr<Function<int(MoveOnly)>> boundSingleByValue = |
| bind(singleMoveOnlyByValue); |
| EXPECT_EQ(1, (*boundSingleByValue)(MoveOnly(1))); |
| |
| std::unique_ptr<Function<int(MoveOnly, MoveOnly, MoveOnly)>> |
| boundTripleByValue = bind(tripleMoveOnlysByValues); |
| EXPECT_EQ(6, (*boundTripleByValue)(MoveOnly(1), MoveOnly(2), MoveOnly(3))); |
| } |
| |
| TEST(FunctionalTest, CountCopiesOfUnboundArguments) { |
| CountCopy lvalue; |
| std::unique_ptr<Function<int(const CountCopy&)>> bound1 = |
| bind(takeCountCopyAsConstReference); |
| EXPECT_EQ(0, (*bound1)(lvalue)); // No copies! |
| EXPECT_EQ(0, (*bound1)(CountCopy())); |
| |
| std::unique_ptr<Function<int(CountCopy)>> bound2 = bind(takeCountCopyAsValue); |
| // At Function::operator(), at Callback::Run() and at the destination |
| // function. |
| EXPECT_EQ(3, (*bound2)(lvalue)); |
| // Compiler is allowed to optimize one copy away if the argument is rvalue. |
| EXPECT_LE((*bound2)(CountCopy()), 2); |
| } |
| |
| TEST(FunctionalTest, WeakPtr) { |
| HasWeakPtrSupport obj; |
| int counter = 0; |
| std::unique_ptr<WTF::Closure> bound = |
| WTF::bind(&HasWeakPtrSupport::increment, obj.createWeakPtr(), |
| WTF::unretained(&counter)); |
| |
| (*bound)(); |
| EXPECT_FALSE(bound->isCancelled()); |
| EXPECT_EQ(1, counter); |
| |
| obj.revokeAll(); |
| EXPECT_TRUE(bound->isCancelled()); |
| (*bound)(); |
| EXPECT_EQ(1, counter); |
| } |
| |
| } // anonymous namespace |
| |
| } // namespace WTF |