diff options
Diffstat (limited to 'chromium/media/base/bind_to_loop_unittest.cc')
-rw-r--r-- | chromium/media/base/bind_to_loop_unittest.cc | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/chromium/media/base/bind_to_loop_unittest.cc b/chromium/media/base/bind_to_loop_unittest.cc new file mode 100644 index 00000000000..0c7a3ddd194 --- /dev/null +++ b/chromium/media/base/bind_to_loop_unittest.cc @@ -0,0 +1,169 @@ +// Copyright (c) 2012 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "media/base/bind_to_loop.h" + +#include "base/message_loop/message_loop.h" +#include "base/synchronization/waitable_event.h" +#include "testing/gtest/include/gtest/gtest.h" + +namespace media { + +void BoundBoolSet(bool* var, bool val) { + *var = val; +} + +void BoundBoolSetFromScopedPtr(bool* var, scoped_ptr<bool> val) { + *var = *val; +} + +void BoundBoolSetFromScopedPtrMalloc(bool* var, scoped_ptr_malloc<bool> val) { + *var = val; +} + +void BoundBoolSetFromScopedArray(bool* var, scoped_ptr<bool[]> val) { + *var = val[0]; +} + +void BoundBoolSetFromConstRef(bool* var, const bool& val) { + *var = val; +} + +void BoundIntegersSet(int* a_var, int* b_var, int a_val, int b_val) { + *a_var = a_val; + *b_var = b_val; +} + +// Various tests that check that the bound function is only actually executed +// on the message loop, not during the original Run. +class BindToLoopTest : public ::testing::Test { + public: + BindToLoopTest() : proxy_(loop_.message_loop_proxy()) {} + + protected: + base::MessageLoop loop_; + scoped_refptr<base::MessageLoopProxy> proxy_; +}; + +TEST_F(BindToLoopTest, Closure) { + // Test the closure is run inside the loop, not outside it. + base::WaitableEvent waiter(false, false); + base::Closure cb = BindToLoop(proxy_, base::Bind( + &base::WaitableEvent::Signal, base::Unretained(&waiter))); + cb.Run(); + EXPECT_FALSE(waiter.IsSignaled()); + loop_.RunUntilIdle(); + EXPECT_TRUE(waiter.IsSignaled()); +} + +TEST_F(BindToLoopTest, Bool) { + bool bool_var = false; + base::Callback<void(bool)> cb = BindToLoop(proxy_, base::Bind( + &BoundBoolSet, &bool_var)); + cb.Run(true); + EXPECT_FALSE(bool_var); + loop_.RunUntilIdle(); + EXPECT_TRUE(bool_var); +} + +TEST_F(BindToLoopTest, BoundScopedPtrBool) { + bool bool_val = false; + scoped_ptr<bool> scoped_ptr_bool(new bool(true)); + base::Closure cb = BindToLoop(proxy_, base::Bind( + &BoundBoolSetFromScopedPtr, &bool_val, base::Passed(&scoped_ptr_bool))); + cb.Run(); + EXPECT_FALSE(bool_val); + loop_.RunUntilIdle(); + EXPECT_TRUE(bool_val); +} + +TEST_F(BindToLoopTest, PassedScopedPtrBool) { + bool bool_val = false; + scoped_ptr<bool> scoped_ptr_bool(new bool(true)); + base::Callback<void(scoped_ptr<bool>)> cb = BindToLoop(proxy_, base::Bind( + &BoundBoolSetFromScopedPtr, &bool_val)); + cb.Run(scoped_ptr_bool.Pass()); + EXPECT_FALSE(bool_val); + loop_.RunUntilIdle(); + EXPECT_TRUE(bool_val); +} + +TEST_F(BindToLoopTest, BoundScopedArrayBool) { + bool bool_val = false; + scoped_ptr<bool[]> scoped_array_bool(new bool[1]); + scoped_array_bool[0] = true; + base::Closure cb = BindToLoop(proxy_, base::Bind( + &BoundBoolSetFromScopedArray, &bool_val, + base::Passed(&scoped_array_bool))); + cb.Run(); + EXPECT_FALSE(bool_val); + loop_.RunUntilIdle(); + EXPECT_TRUE(bool_val); +} + +TEST_F(BindToLoopTest, PassedScopedArrayBool) { + bool bool_val = false; + scoped_ptr<bool[]> scoped_array_bool(new bool[1]); + scoped_array_bool[0] = true; + base::Callback<void(scoped_ptr<bool[]>)> cb = BindToLoop(proxy_, base::Bind( + &BoundBoolSetFromScopedArray, &bool_val)); + cb.Run(scoped_array_bool.Pass()); + EXPECT_FALSE(bool_val); + loop_.RunUntilIdle(); + EXPECT_TRUE(bool_val); +} + +TEST_F(BindToLoopTest, BoundScopedPtrMallocBool) { + bool bool_val = false; + scoped_ptr_malloc<bool> scoped_ptr_malloc_bool( + static_cast<bool*>(malloc(sizeof(bool)))); + *scoped_ptr_malloc_bool = true; + base::Closure cb = BindToLoop(proxy_, base::Bind( + &BoundBoolSetFromScopedPtrMalloc, &bool_val, + base::Passed(&scoped_ptr_malloc_bool))); + cb.Run(); + EXPECT_FALSE(bool_val); + loop_.RunUntilIdle(); + EXPECT_TRUE(bool_val); +} + +TEST_F(BindToLoopTest, PassedScopedPtrMallocBool) { + bool bool_val = false; + scoped_ptr_malloc<bool> scoped_ptr_malloc_bool( + static_cast<bool*>(malloc(sizeof(bool)))); + *scoped_ptr_malloc_bool = true; + base::Callback<void(scoped_ptr_malloc<bool>)> cb = BindToLoop( + proxy_, base::Bind(&BoundBoolSetFromScopedPtrMalloc, &bool_val)); + cb.Run(scoped_ptr_malloc_bool.Pass()); + EXPECT_FALSE(bool_val); + loop_.RunUntilIdle(); + EXPECT_TRUE(bool_val); +} + +TEST_F(BindToLoopTest, BoolConstRef) { + bool bool_var = false; + bool true_var = true; + const bool& true_ref = true_var; + base::Closure cb = BindToLoop(proxy_, base::Bind( + &BoundBoolSetFromConstRef, &bool_var, true_ref)); + cb.Run(); + EXPECT_FALSE(bool_var); + loop_.RunUntilIdle(); + EXPECT_TRUE(bool_var); +} + +TEST_F(BindToLoopTest, Integers) { + int a = 0; + int b = 0; + base::Callback<void(int, int)> cb = BindToLoop(proxy_, base::Bind( + &BoundIntegersSet, &a, &b)); + cb.Run(1, -1); + EXPECT_EQ(a, 0); + EXPECT_EQ(b, 0); + loop_.RunUntilIdle(); + EXPECT_EQ(a, 1); + EXPECT_EQ(b, -1); +} + +} // namespace media |