| // Copyright (c) 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 <string> |
| #include <vector> |
| |
| #include "base/bind.h" |
| #include "base/callback.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/run_loop.h" |
| #include "device/hid/hid_connection.h" |
| #include "device/hid/hid_service.h" |
| #include "device/test/usb_test_gadget.h" |
| #include "net/base/io_buffer.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace device { |
| |
| namespace { |
| |
| using net::IOBufferWithSize; |
| |
| class TestCompletionCallback { |
| public: |
| TestCompletionCallback() |
| : callback_(base::Bind(&TestCompletionCallback::SetResult, |
| base::Unretained(this))) {} |
| |
| void SetResult(bool success, size_t size) { |
| result_ = success; |
| transferred_ = size; |
| run_loop_.Quit(); |
| } |
| |
| bool WaitForResult() { |
| run_loop_.Run(); |
| return result_; |
| } |
| |
| const HidConnection::IOCallback& callback() const { return callback_; } |
| size_t transferred() const { return transferred_; } |
| |
| private: |
| const HidConnection::IOCallback callback_; |
| base::RunLoop run_loop_; |
| bool result_; |
| size_t transferred_; |
| }; |
| |
| } // namespace |
| |
| class HidConnectionTest : public testing::Test { |
| protected: |
| virtual void SetUp() OVERRIDE { |
| if (!UsbTestGadget::IsTestEnabled()) return; |
| |
| message_loop_.reset(new base::MessageLoopForIO()); |
| service_.reset(HidService::Create(message_loop_->message_loop_proxy())); |
| ASSERT_TRUE(service_); |
| |
| test_gadget_ = UsbTestGadget::Claim(); |
| ASSERT_TRUE(test_gadget_); |
| ASSERT_TRUE(test_gadget_->SetType(UsbTestGadget::HID_ECHO)); |
| |
| device_id_ = kInvalidHidDeviceId; |
| |
| base::RunLoop run_loop; |
| message_loop_->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&HidConnectionTest::FindDevice, |
| base::Unretained(this), run_loop.QuitClosure(), 5), |
| base::TimeDelta::FromMilliseconds(250)); |
| run_loop.Run(); |
| |
| ASSERT_NE(device_id_, kInvalidHidDeviceId); |
| } |
| |
| void FindDevice(const base::Closure& done, int retries) { |
| std::vector<HidDeviceInfo> devices; |
| service_->GetDevices(&devices); |
| |
| for (std::vector<HidDeviceInfo>::iterator it = devices.begin(); |
| it != devices.end(); |
| ++it) { |
| if (it->serial_number == test_gadget_->GetSerial()) { |
| device_id_ = it->device_id; |
| break; |
| } |
| } |
| |
| if (device_id_ == kInvalidHidDeviceId && --retries > 0) { |
| message_loop_->PostDelayedTask( |
| FROM_HERE, |
| base::Bind(&HidConnectionTest::FindDevice, base::Unretained(this), |
| done, retries), |
| base::TimeDelta::FromMilliseconds(10)); |
| } else { |
| message_loop_->PostTask(FROM_HERE, done); |
| } |
| } |
| |
| scoped_ptr<base::MessageLoopForIO> message_loop_; |
| scoped_ptr<HidService> service_; |
| scoped_ptr<UsbTestGadget> test_gadget_; |
| HidDeviceId device_id_; |
| }; |
| |
| TEST_F(HidConnectionTest, ReadWrite) { |
| if (!UsbTestGadget::IsTestEnabled()) return; |
| |
| scoped_refptr<HidConnection> conn = service_->Connect(device_id_); |
| ASSERT_TRUE(conn); |
| |
| for (int i = 0; i < 8; ++i) { |
| scoped_refptr<IOBufferWithSize> write_buffer(new IOBufferWithSize(8)); |
| *(int64_t*)write_buffer->data() = i; |
| |
| TestCompletionCallback write_callback; |
| conn->Write(0, write_buffer, write_callback.callback()); |
| ASSERT_TRUE(write_callback.WaitForResult()); |
| ASSERT_EQ(8UL, write_callback.transferred()); |
| |
| scoped_refptr<IOBufferWithSize> read_buffer(new IOBufferWithSize(8)); |
| TestCompletionCallback read_callback; |
| conn->Read(read_buffer, read_callback.callback()); |
| ASSERT_TRUE(read_callback.WaitForResult()); |
| ASSERT_EQ(8UL, read_callback.transferred()); |
| ASSERT_EQ(i, *(int64_t*)read_buffer->data()); |
| } |
| } |
| |
| } // namespace device |