| // 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() |
| : read_callback_(base::Bind(&TestCompletionCallback::SetReadResult, |
| base::Unretained(this))), |
| write_callback_(base::Bind(&TestCompletionCallback::SetWriteResult, |
| base::Unretained(this))) {} |
| ~TestCompletionCallback() {} |
| |
| void SetReadResult(bool success, |
| scoped_refptr<net::IOBuffer> buffer, |
| size_t size) { |
| result_ = success; |
| buffer_ = buffer; |
| size_ = size; |
| run_loop_.Quit(); |
| } |
| |
| void SetWriteResult(bool success) { |
| result_ = success; |
| run_loop_.Quit(); |
| } |
| |
| bool WaitForResult() { |
| run_loop_.Run(); |
| return result_; |
| } |
| |
| const HidConnection::ReadCallback& read_callback() { return read_callback_; } |
| const HidConnection::WriteCallback write_callback() { |
| return write_callback_; |
| } |
| scoped_refptr<net::IOBuffer> buffer() const { return buffer_; } |
| size_t size() const { return size_; } |
| |
| private: |
| base::RunLoop run_loop_; |
| bool result_; |
| size_t size_; |
| scoped_refptr<net::IOBuffer> buffer_; |
| HidConnection::ReadCallback read_callback_; |
| HidConnection::WriteCallback write_callback_; |
| }; |
| |
| } // namespace |
| |
| class HidConnectionTest : public testing::Test { |
| protected: |
| virtual void SetUp() OVERRIDE { |
| if (!UsbTestGadget::IsTestEnabled()) return; |
| |
| message_loop_.reset(new base::MessageLoopForIO()); |
| service_ = HidService::GetInstance( |
| message_loop_->message_loop_proxy(), |
| 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_->GetSerialNumber()) { |
| 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_; |
| 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.get()); |
| |
| for (int i = 0; i < 8; ++i) { |
| scoped_refptr<IOBufferWithSize> buffer(new IOBufferWithSize(9)); |
| buffer->data()[0] = 0; |
| for (int j = 1; j < buffer->size(); ++j) { |
| buffer->data()[j] = i + j - 1; |
| } |
| |
| TestCompletionCallback write_callback; |
| conn->Write(buffer, buffer->size(), write_callback.write_callback()); |
| ASSERT_TRUE(write_callback.WaitForResult()); |
| |
| TestCompletionCallback read_callback; |
| conn->Read(read_callback.read_callback()); |
| ASSERT_TRUE(read_callback.WaitForResult()); |
| ASSERT_EQ(9UL, read_callback.size()); |
| ASSERT_EQ(0, read_callback.buffer()->data()[0]); |
| for (int j = 1; j < buffer->size(); ++j) { |
| ASSERT_EQ(i + j - 1, read_callback.buffer()->data()[j]); |
| } |
| } |
| |
| conn->Close(); |
| } |
| |
| } // namespace device |