f048872e91
migrating talk/base to webrtc/base. BUG=N/A R=niklas.enbom@webrtc.org Review URL: https://webrtc-codereview.appspot.com/17479005 git-svn-id: http://webrtc.googlecode.com/svn/trunk@6129 4adac7df-926f-26a2-2b94-8c16560cd09d
82 lines
1.8 KiB
C++
82 lines
1.8 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/callback.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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void f() {}
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int g() { return 42; }
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int h(int x) { return x * x; }
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void i(int& x) { x *= x; } // NOLINT: Testing refs
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struct BindTester {
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int a() { return 24; }
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int b(int x) const { return x * x; }
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};
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} // namespace
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TEST(CallbackTest, VoidReturn) {
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Callback0<void> cb;
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EXPECT_TRUE(cb.empty());
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cb(); // Executing an empty callback should not crash.
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cb = Callback0<void>(&f);
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EXPECT_FALSE(cb.empty());
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cb();
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}
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TEST(CallbackTest, IntReturn) {
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Callback0<int> cb;
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EXPECT_TRUE(cb.empty());
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cb = Callback0<int>(&g);
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EXPECT_FALSE(cb.empty());
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EXPECT_EQ(42, cb());
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EXPECT_EQ(42, cb());
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}
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TEST(CallbackTest, OneParam) {
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Callback1<int, int> cb1(&h);
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EXPECT_FALSE(cb1.empty());
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EXPECT_EQ(9, cb1(-3));
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EXPECT_EQ(100, cb1(10));
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// Try clearing a callback.
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cb1 = Callback1<int, int>();
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EXPECT_TRUE(cb1.empty());
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// Try a callback with a ref parameter.
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Callback1<void, int&> cb2(&i);
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int x = 3;
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cb2(x);
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EXPECT_EQ(9, x);
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cb2(x);
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EXPECT_EQ(81, x);
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}
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TEST(CallbackTest, WithBind) {
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BindTester t;
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Callback0<int> cb1 = Bind(&BindTester::a, &t);
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EXPECT_EQ(24, cb1());
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EXPECT_EQ(24, cb1());
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cb1 = Bind(&BindTester::b, &t, 10);
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EXPECT_EQ(100, cb1());
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EXPECT_EQ(100, cb1());
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cb1 = Bind(&BindTester::b, &t, 5);
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EXPECT_EQ(25, cb1());
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EXPECT_EQ(25, cb1());
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}
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} // namespace rtc
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