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// Copyright 2014 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 "base/macros.h"
#include "mojo/edk/js/handle.h"
#include "mojo/edk/js/handle_close_observer.h"
#include "mojo/public/cpp/system/core.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace mojo {
namespace edk {
namespace js {
class HandleWrapperTest : public testing::Test,
public HandleCloseObserver {
public:
HandleWrapperTest() : closes_observed_(0) {}
void OnWillCloseHandle() override { closes_observed_++; }
protected:
int closes_observed_;
private:
DISALLOW_COPY_AND_ASSIGN(HandleWrapperTest);
};
class TestHandleWrapper : public HandleWrapper {
public:
explicit TestHandleWrapper(MojoHandle handle) : HandleWrapper(handle) {}
private:
DISALLOW_COPY_AND_ASSIGN(TestHandleWrapper);
};
// Test that calling Close() on a HandleWrapper for an invalid handle does not
// notify observers.
TEST_F(HandleWrapperTest, CloseWithInvalidHandle) {
{
TestHandleWrapper wrapper(MOJO_HANDLE_INVALID);
wrapper.AddCloseObserver(this);
ASSERT_EQ(0, closes_observed_);
wrapper.Close();
EXPECT_EQ(0, closes_observed_);
}
EXPECT_EQ(0, closes_observed_);
}
// Test that destroying a HandleWrapper for an invalid handle does not notify
// observers.
TEST_F(HandleWrapperTest, DestroyWithInvalidHandle) {
{
TestHandleWrapper wrapper(MOJO_HANDLE_INVALID);
wrapper.AddCloseObserver(this);
ASSERT_EQ(0, closes_observed_);
}
EXPECT_EQ(0, closes_observed_);
}
// Test that calling Close on a HandleWrapper for a valid handle notifies
// observers once.
TEST_F(HandleWrapperTest, CloseWithValidHandle) {
{
mojo::MessagePipe pipe;
TestHandleWrapper wrapper(pipe.handle0.release().value());
wrapper.AddCloseObserver(this);
ASSERT_EQ(0, closes_observed_);
wrapper.Close();
EXPECT_EQ(1, closes_observed_);
// Check that calling close again doesn't notify observers.
wrapper.Close();
EXPECT_EQ(1, closes_observed_);
}
// Check that destroying a closed HandleWrapper doesn't notify observers.
EXPECT_EQ(1, closes_observed_);
}
// Test that destroying a HandleWrapper for a valid handle notifies observers.
TEST_F(HandleWrapperTest, DestroyWithValidHandle) {
{
mojo::MessagePipe pipe;
TestHandleWrapper wrapper(pipe.handle0.release().value());
wrapper.AddCloseObserver(this);
ASSERT_EQ(0, closes_observed_);
}
EXPECT_EQ(1, closes_observed_);
}
} // namespace js
} // namespace edk
} // namespace mojo
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