henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * libjingle |
| 3 | * Copyright 2004--2011, Google Inc. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions are met: |
| 7 | * |
| 8 | * 1. Redistributions of source code must retain the above copyright notice, |
| 9 | * this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * 3. The name of the author may not be used to endorse or promote products |
| 14 | * derived from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| 19 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 20 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 22 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 23 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 24 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 25 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #include "talk/base/bind.h" |
| 29 | #include "talk/base/gunit.h" |
| 30 | |
| 31 | namespace talk_base { |
| 32 | |
| 33 | namespace { |
| 34 | |
| 35 | struct MethodBindTester { |
| 36 | void NullaryVoid() { ++call_count; } |
| 37 | int NullaryInt() { ++call_count; return 1; } |
| 38 | int NullaryConst() const { ++call_count; return 2; } |
| 39 | void UnaryVoid(int dummy) { ++call_count; } |
| 40 | template <class T> T Identity(T value) { ++call_count; return value; } |
| 41 | int UnaryByRef(int& value) const { ++call_count; return ++value; } // NOLINT |
| 42 | int Multiply(int a, int b) const { ++call_count; return a * b; } |
| 43 | mutable int call_count; |
| 44 | }; |
| 45 | |
sergeyu@chromium.org | 70022fa | 2014-02-07 19:03:26 +0000 | [diff] [blame] | 46 | int Return42() { return 42; } |
| 47 | int Negate(int a) { return -a; } |
| 48 | int Multiply(int a, int b) { return a * b; } |
| 49 | |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 50 | } // namespace |
| 51 | |
| 52 | TEST(BindTest, BindToMethod) { |
| 53 | MethodBindTester object = {0}; |
| 54 | EXPECT_EQ(0, object.call_count); |
| 55 | Bind(&MethodBindTester::NullaryVoid, &object)(); |
| 56 | EXPECT_EQ(1, object.call_count); |
| 57 | EXPECT_EQ(1, Bind(&MethodBindTester::NullaryInt, &object)()); |
| 58 | EXPECT_EQ(2, object.call_count); |
| 59 | EXPECT_EQ(2, Bind(&MethodBindTester::NullaryConst, |
| 60 | static_cast<const MethodBindTester*>(&object))()); |
| 61 | EXPECT_EQ(3, object.call_count); |
| 62 | Bind(&MethodBindTester::UnaryVoid, &object, 5)(); |
| 63 | EXPECT_EQ(4, object.call_count); |
| 64 | EXPECT_EQ(100, Bind(&MethodBindTester::Identity<int>, &object, 100)()); |
| 65 | EXPECT_EQ(5, object.call_count); |
| 66 | const std::string string_value("test string"); |
| 67 | EXPECT_EQ(string_value, Bind(&MethodBindTester::Identity<std::string>, |
| 68 | &object, string_value)()); |
| 69 | EXPECT_EQ(6, object.call_count); |
| 70 | int value = 11; |
| 71 | EXPECT_EQ(12, Bind(&MethodBindTester::UnaryByRef, &object, value)()); |
| 72 | EXPECT_EQ(12, value); |
| 73 | EXPECT_EQ(7, object.call_count); |
| 74 | EXPECT_EQ(56, Bind(&MethodBindTester::Multiply, &object, 7, 8)()); |
| 75 | EXPECT_EQ(8, object.call_count); |
| 76 | } |
| 77 | |
sergeyu@chromium.org | 70022fa | 2014-02-07 19:03:26 +0000 | [diff] [blame] | 78 | TEST(BindTest, BindToFunction) { |
| 79 | EXPECT_EQ(42, Bind(&Return42)()); |
| 80 | EXPECT_EQ(3, Bind(&Negate, -3)()); |
| 81 | EXPECT_EQ(56, Bind(&Multiply, 8, 7)()); |
| 82 | } |
| 83 | |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 84 | } // namespace talk_base |