Remove wtf/Functional.h

sky/engine/wtf/FunctionalTest.cpp

-/*
- * 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 "config.h"
-
-#include "wtf/RefCounted.h"
-#include "wtf/Functional.h"
-#include <gtest/gtest.h>
-
-namespace {
-
-using namespace WTF;
-
-static int returnFortyTwo()
-{
-    return 42;
-}
-
-TEST(FunctionalTest, Basic)
-{
-    Function<int()> emptyFunction;
-    EXPECT_TRUE(emptyFunction.isNull());
-
-    Function<int()> returnFortyTwoFunction = bind(returnFortyTwo);
-    EXPECT_FALSE(returnFortyTwoFunction.isNull());
-    EXPECT_EQ(42, returnFortyTwoFunction());
-}
-
-static int multiplyByTwo(int n)
-{
-    return n * 2;
-}
-
-static double multiplyByOneAndAHalf(double d)
-{
-    return d * 1.5;
-}
-
-TEST(FunctionalTest, UnaryBind)
-{
-    Function<int()> multiplyFourByTwoFunction = bind(multiplyByTwo, 4);
-    EXPECT_EQ(8, multiplyFourByTwoFunction());
-
-    Function<double()> multiplyByOneAndAHalfFunction = bind(multiplyByOneAndAHalf, 3);
-    EXPECT_EQ(4.5, multiplyByOneAndAHalfFunction());
-}
-
-TEST(FunctionalTest, UnaryPartBind)
-{
-    Function<int(int)> multiplyByTwoFunction = bind<int>(multiplyByTwo);
-    EXPECT_EQ(8, multiplyByTwoFunction(4));
-
-    Function<double(double)> multiplyByOneAndAHalfFunction = bind<double>(multiplyByOneAndAHalf);
-    EXPECT_EQ(4.5, multiplyByOneAndAHalfFunction(3));
-}
-
-static int multiply(int x, int y)
-{
-    return x * y;
-}
-
-static int subtract(int x, int y)
-{
-    return x - y;
-}
-
-TEST(FunctionalTest, BinaryBind)
-{
-    Function<int()> multiplyFourByTwoFunction = bind(multiply, 4, 2);
-    EXPECT_EQ(8, multiplyFourByTwoFunction());
-
-    Function<int()> subtractTwoFromFourFunction = bind(subtract, 4, 2);
-    EXPECT_EQ(2, subtractTwoFromFourFunction());
-}
-
-TEST(FunctionalTest, BinaryPartBind)
-{
-    Function<int(int)> multiplyFourFunction = bind<int>(multiply, 4);
-    EXPECT_EQ(8, multiplyFourFunction(2));
-    Function<int(int, int)> multiplyFunction = bind<int, int>(multiply);
-    EXPECT_EQ(8, multiplyFunction(4, 2));
-
-    Function<int(int)> subtractFromFourFunction = bind<int>(subtract, 4);
-    EXPECT_EQ(2, subtractFromFourFunction(2));
-    Function<int(int, int)> subtractFunction = bind<int, int>(subtract);
-    EXPECT_EQ(2, subtractFunction(4, 2));
-}
-
-static void sixArgFunc(int a, double b, char c, int* d, double* e, char* f)
-{
-    *d = a;
-    *e = b;
-    *f = c;
-}
-
-static 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';
-
-    Function<void(int, double, char, int*, double*, char*)> unbound =
-        bind<int, double, char, int*, double*, char*>(sixArgFunc);
-    unbound(1, 1.5, 'b', &a, &b, &c);
-    assertArgs(a, b, c, 1, 1.5, 'b');
-
-    Function<void(double, char, int*, double*, char*)> oneBound =
-        bind<double, char, int*, double*, char*>(sixArgFunc, 2);
-    oneBound(2.5, 'c', &a, &b, &c);
-    assertArgs(a, b, c, 2, 2.5, 'c');
-
-    Function<void(char, int*, double*, char*)> twoBound =
-        bind<char, int*, double*, char*>(sixArgFunc, 3, 3.5);
-    twoBound('d', &a, &b, &c);
-    assertArgs(a, b, c, 3, 3.5, 'd');
-
-    Function<void(int*, double*, char*)> threeBound =
-        bind<int*, double*, char*>(sixArgFunc, 4, 4.5, 'e');
-    threeBound(&a, &b, &c);
-    assertArgs(a, b, c, 4, 4.5, 'e');
-
-    Function<void(double*, char*)> fourBound =
-        bind<double*, char*>(sixArgFunc, 5, 5.5, 'f', &a);
-    fourBound(&b, &c);
-    assertArgs(a, b, c, 5, 5.5, 'f');
-
-    Function<void(char*)> fiveBound =
-        bind<char*>(sixArgFunc, 6, 6.5, 'g', &a, &b);
-    fiveBound(&c);
-    assertArgs(a, b, c, 6, 6.5, 'g');
-
-    Function<void()> sixBound =
-        bind(sixArgFunc, 7, 7.5, 'h', &a, &b, &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; }
-
-private:
-    int m_i;
-};
-
-TEST(FunctionalTest, MemberFunctionBind)
-{
-    A a(10);
-    Function<int()> function1 = bind(&A::f, &a);
-    EXPECT_EQ(10, function1());
-
-    Function<int()> function2 = bind(&A::addF, &a, 15);
-    EXPECT_EQ(25, function2());
-}
-
-TEST(FunctionalTest, MemberFunctionPartBind)
-{
-    A a(10);
-    Function<int(class A*)> function1 = bind<class A*>(&A::f);
-    EXPECT_EQ(10, function1(&a));
-
-    Function<int(class A*, int)> unboundFunction2 =
-        bind<class A*, int>(&A::addF);
-    EXPECT_EQ(25, unboundFunction2(&a, 15));
-    Function<int(int)> objectBoundFunction2 =
-        bind<int>(&A::addF, &a);
-    EXPECT_EQ(25, objectBoundFunction2(15));
-}
-
-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;
-};
-
-static int multiplyNumberByTwo(Number* number)
-{
-    return number->value() * 2;
-}
-
-TEST(FunctionalTest, RefCountedStorage)
-{
-    RefPtr<Number> five = Number::create(5);
-    Function<int()> multiplyFiveByTwoFunction = bind(multiplyNumberByTwo, five);
-    EXPECT_EQ(10, multiplyFiveByTwoFunction());
-
-    Function<int()> multiplyFourByTwoFunction = bind(multiplyNumberByTwo, Number::create(4));
-    EXPECT_EQ(8, multiplyFourByTwoFunction());
-
-    RefPtr<Number> six = Number::create(6);
-    Function<int()> multiplySixByTwoFunction = bind(multiplyNumberByTwo, six.release());
-    EXPECT_FALSE(six);
-    EXPECT_EQ(12, multiplySixByTwoFunction());
-}
-
-} // namespace