Index: media/base/callback_holder_unittest.cc |
diff --git a/media/base/callback_holder_unittest.cc b/media/base/callback_holder_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..16a119cdb7e02c09381f22a30e4ba33f9ee68623 |
--- /dev/null |
+++ b/media/base/callback_holder_unittest.cc |
@@ -0,0 +1,125 @@ |
+// 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.
|
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#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.
|
+ |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+namespace media { |
+ |
+static void SetBool(bool* var) { |
+ DCHECK(!*var); |
+ *var = true; |
+} |
+ |
+static void CopyVar(int var1, int* var2) { |
+ DCHECK_NE(var1, *var2); |
+ *var2 = var1; |
+} |
+ |
+TEST(CallbackHolderTest, SetAfterHold_Closure) { |
+ CallbackHolder<base::Closure> cb; |
+ EXPECT_TRUE(cb.IsNull()); |
+ |
+ cb.HoldCallback(); |
+ |
+ bool closure_called = false; |
+ cb.SetCallback(base::Bind(&SetBool, &closure_called)); |
+ EXPECT_FALSE(cb.IsNull()); |
+ |
+ cb.RunOrHold(); |
+ EXPECT_FALSE(closure_called); |
+ |
+ EXPECT_FALSE(cb.IsNull()); |
+ cb.RunHeldCallback(); |
+ EXPECT_TRUE(cb.IsNull()); |
+ EXPECT_TRUE(closure_called); |
+} |
+ |
+TEST(CallbackHolderTest, HoldAfterSet_Closure) { |
+ CallbackHolder<base::Closure> cb; |
+ EXPECT_TRUE(cb.IsNull()); |
+ |
+ bool closure_called = false; |
+ cb.SetCallback(base::Bind(&SetBool, &closure_called)); |
+ EXPECT_FALSE(cb.IsNull()); |
+ |
+ cb.HoldCallback(); |
+ |
+ cb.RunOrHold(); |
+ EXPECT_FALSE(closure_called); |
+ EXPECT_FALSE(cb.IsNull()); |
+ cb.RunHeldCallback(); |
+ EXPECT_TRUE(cb.IsNull()); |
+ EXPECT_TRUE(closure_called); |
+} |
+ |
+TEST(CallbackHolderTest, NotHold_Closure) { |
+ CallbackHolder<base::Closure> cb; |
+ EXPECT_TRUE(cb.IsNull()); |
+ |
+ bool closure_called = false; |
+ cb.SetCallback(base::Bind(&SetBool, &closure_called)); |
+ EXPECT_FALSE(cb.IsNull()); |
+ |
+ cb.RunOrHold(); |
+ EXPECT_TRUE(cb.IsNull()); |
+ EXPECT_TRUE(closure_called); |
+} |
+ |
+TEST(CallbackHolderTest, SetAfterHold_Callback) { |
+ CallbackHolder<base::Callback<void(int, int*)> > cb; |
+ EXPECT_TRUE(cb.IsNull()); |
+ |
+ cb.HoldCallback(); |
+ |
+ cb.SetCallback(base::Bind(&CopyVar)); |
+ EXPECT_FALSE(cb.IsNull()); |
+ |
+ int var1 = 100; |
+ int var2 = 0; |
+ cb.RunOrHold(var1, &var2); |
+ EXPECT_FALSE(cb.IsNull()); |
+ EXPECT_NE(var1, var2); |
+ |
+ cb.RunHeldCallback(); |
+ EXPECT_TRUE(cb.IsNull()); |
+ EXPECT_EQ(var1, var2); |
+} |
+ |
+TEST(CallbackHolderTest, HoldAfterSet_Callback) { |
+ CallbackHolder<base::Callback<void(int, int*)> > cb; |
+ EXPECT_TRUE(cb.IsNull()); |
+ |
+ cb.SetCallback(base::Bind(&CopyVar)); |
+ EXPECT_FALSE(cb.IsNull()); |
+ |
+ cb.HoldCallback(); |
+ |
+ int var1 = 100; |
+ int var2 = 0; |
+ cb.RunOrHold(var1, &var2); |
+ EXPECT_FALSE(cb.IsNull()); |
+ EXPECT_NE(var1, var2); |
+ |
+ cb.RunHeldCallback(); |
+ EXPECT_TRUE(cb.IsNull()); |
+ EXPECT_EQ(var1, var2); |
+} |
+ |
+TEST(CallbackHolderTest, NotHold_Callback) { |
+ CallbackHolder<base::Callback<void(int, int*)> > cb; |
+ EXPECT_TRUE(cb.IsNull()); |
+ |
+ cb.SetCallback(base::Bind(&CopyVar)); |
+ EXPECT_FALSE(cb.IsNull()); |
+ |
+ int var1 = 100; |
+ int var2 = 0; |
+ cb.RunOrHold(var1, &var2); |
+ EXPECT_TRUE(cb.IsNull()); |
+ EXPECT_EQ(var1, var2); |
+} |
+ |
+} // namespace media |