2c7d1b39b9
BUG=N/A R=andrew@webrtc.org, wu@webrtc.org Review URL: https://webrtc-codereview.appspot.com/12199004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@6107 4adac7df-926f-26a2-2b94-8c16560cd09d
68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/base/bind.h"
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#include "webrtc/base/gunit.h"
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namespace rtc {
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namespace {
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struct MethodBindTester {
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void NullaryVoid() { ++call_count; }
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int NullaryInt() { ++call_count; return 1; }
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int NullaryConst() const { ++call_count; return 2; }
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void UnaryVoid(int dummy) { ++call_count; }
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template <class T> T Identity(T value) { ++call_count; return value; }
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int UnaryByRef(int& value) const { ++call_count; return ++value; } // NOLINT
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int Multiply(int a, int b) const { ++call_count; return a * b; }
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mutable int call_count;
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};
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int Return42() { return 42; }
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int Negate(int a) { return -a; }
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int Multiply(int a, int b) { return a * b; }
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} // namespace
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TEST(BindTest, BindToMethod) {
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MethodBindTester object = {0};
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EXPECT_EQ(0, object.call_count);
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Bind(&MethodBindTester::NullaryVoid, &object)();
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EXPECT_EQ(1, object.call_count);
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EXPECT_EQ(1, Bind(&MethodBindTester::NullaryInt, &object)());
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EXPECT_EQ(2, object.call_count);
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EXPECT_EQ(2, Bind(&MethodBindTester::NullaryConst,
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static_cast<const MethodBindTester*>(&object))());
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EXPECT_EQ(3, object.call_count);
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Bind(&MethodBindTester::UnaryVoid, &object, 5)();
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EXPECT_EQ(4, object.call_count);
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EXPECT_EQ(100, Bind(&MethodBindTester::Identity<int>, &object, 100)());
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EXPECT_EQ(5, object.call_count);
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const std::string string_value("test string");
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EXPECT_EQ(string_value, Bind(&MethodBindTester::Identity<std::string>,
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&object, string_value)());
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EXPECT_EQ(6, object.call_count);
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int value = 11;
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EXPECT_EQ(12, Bind(&MethodBindTester::UnaryByRef, &object, value)());
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EXPECT_EQ(12, value);
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EXPECT_EQ(7, object.call_count);
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EXPECT_EQ(56, Bind(&MethodBindTester::Multiply, &object, 7, 8)());
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EXPECT_EQ(8, object.call_count);
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}
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TEST(BindTest, BindToFunction) {
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EXPECT_EQ(42, Bind(&Return42)());
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EXPECT_EQ(3, Bind(&Negate, -3)());
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EXPECT_EQ(56, Bind(&Multiply, 8, 7)());
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}
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} // namespace rtc
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