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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
|
scherkus (not reviewing)
2013/05/28 15:56:57
new file: 2013
xhwang
2013/05/28 19:34:10
Done.
| |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "media/base/callback_holder.h" | |
|
scherkus (not reviewing)
2013/05/28 15:56:57
being the unit test this doesn't have to be first
xhwang
2013/05/28 19:34:10
Done.
| |
| 6 | |
| 7 #include "testing/gtest/include/gtest/gtest.h" | |
| 8 | |
| 9 namespace media { | |
| 10 | |
| 11 static void SetBool(bool* var) { | |
| 12 DCHECK(!*var); | |
| 13 *var = true; | |
| 14 } | |
| 15 | |
| 16 static void CopyVar(int var1, int* var2) { | |
| 17 DCHECK_NE(var1, *var2); | |
| 18 *var2 = var1; | |
| 19 } | |
| 20 | |
| 21 TEST(CallbackHolderTest, SetAfterHold_Closure) { | |
| 22 CallbackHolder<base::Closure> cb; | |
| 23 EXPECT_TRUE(cb.IsNull()); | |
| 24 | |
| 25 cb.HoldCallback(); | |
| 26 | |
| 27 bool closure_called = false; | |
| 28 cb.SetCallback(base::Bind(&SetBool, &closure_called)); | |
| 29 EXPECT_FALSE(cb.IsNull()); | |
| 30 | |
| 31 cb.RunOrHold(); | |
| 32 EXPECT_FALSE(closure_called); | |
| 33 | |
| 34 EXPECT_FALSE(cb.IsNull()); | |
| 35 cb.RunHeldCallback(); | |
| 36 EXPECT_TRUE(cb.IsNull()); | |
| 37 EXPECT_TRUE(closure_called); | |
| 38 } | |
| 39 | |
| 40 TEST(CallbackHolderTest, HoldAfterSet_Closure) { | |
| 41 CallbackHolder<base::Closure> cb; | |
| 42 EXPECT_TRUE(cb.IsNull()); | |
| 43 | |
| 44 bool closure_called = false; | |
| 45 cb.SetCallback(base::Bind(&SetBool, &closure_called)); | |
| 46 EXPECT_FALSE(cb.IsNull()); | |
| 47 | |
| 48 cb.HoldCallback(); | |
| 49 | |
| 50 cb.RunOrHold(); | |
| 51 EXPECT_FALSE(closure_called); | |
| 52 EXPECT_FALSE(cb.IsNull()); | |
| 53 cb.RunHeldCallback(); | |
| 54 EXPECT_TRUE(cb.IsNull()); | |
| 55 EXPECT_TRUE(closure_called); | |
| 56 } | |
| 57 | |
| 58 TEST(CallbackHolderTest, NotHold_Closure) { | |
| 59 CallbackHolder<base::Closure> cb; | |
| 60 EXPECT_TRUE(cb.IsNull()); | |
| 61 | |
| 62 bool closure_called = false; | |
| 63 cb.SetCallback(base::Bind(&SetBool, &closure_called)); | |
| 64 EXPECT_FALSE(cb.IsNull()); | |
| 65 | |
| 66 cb.RunOrHold(); | |
| 67 EXPECT_TRUE(cb.IsNull()); | |
| 68 EXPECT_TRUE(closure_called); | |
| 69 } | |
| 70 | |
| 71 TEST(CallbackHolderTest, SetAfterHold_Callback) { | |
| 72 CallbackHolder<base::Callback<void(int, int*)> > cb; | |
| 73 EXPECT_TRUE(cb.IsNull()); | |
| 74 | |
| 75 cb.HoldCallback(); | |
| 76 | |
| 77 cb.SetCallback(base::Bind(&CopyVar)); | |
| 78 EXPECT_FALSE(cb.IsNull()); | |
| 79 | |
| 80 int var1 = 100; | |
| 81 int var2 = 0; | |
| 82 cb.RunOrHold(var1, &var2); | |
| 83 EXPECT_FALSE(cb.IsNull()); | |
| 84 EXPECT_NE(var1, var2); | |
| 85 | |
| 86 cb.RunHeldCallback(); | |
| 87 EXPECT_TRUE(cb.IsNull()); | |
| 88 EXPECT_EQ(var1, var2); | |
| 89 } | |
| 90 | |
| 91 TEST(CallbackHolderTest, HoldAfterSet_Callback) { | |
| 92 CallbackHolder<base::Callback<void(int, int*)> > cb; | |
| 93 EXPECT_TRUE(cb.IsNull()); | |
| 94 | |
| 95 cb.SetCallback(base::Bind(&CopyVar)); | |
| 96 EXPECT_FALSE(cb.IsNull()); | |
| 97 | |
| 98 cb.HoldCallback(); | |
| 99 | |
| 100 int var1 = 100; | |
| 101 int var2 = 0; | |
| 102 cb.RunOrHold(var1, &var2); | |
| 103 EXPECT_FALSE(cb.IsNull()); | |
| 104 EXPECT_NE(var1, var2); | |
| 105 | |
| 106 cb.RunHeldCallback(); | |
| 107 EXPECT_TRUE(cb.IsNull()); | |
| 108 EXPECT_EQ(var1, var2); | |
| 109 } | |
| 110 | |
| 111 TEST(CallbackHolderTest, NotHold_Callback) { | |
| 112 CallbackHolder<base::Callback<void(int, int*)> > cb; | |
| 113 EXPECT_TRUE(cb.IsNull()); | |
| 114 | |
| 115 cb.SetCallback(base::Bind(&CopyVar)); | |
| 116 EXPECT_FALSE(cb.IsNull()); | |
| 117 | |
| 118 int var1 = 100; | |
| 119 int var2 = 0; | |
| 120 cb.RunOrHold(var1, &var2); | |
| 121 EXPECT_TRUE(cb.IsNull()); | |
| 122 EXPECT_EQ(var1, var2); | |
| 123 } | |
| 124 | |
| 125 } // namespace media | |
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