Reland: Build a basic Mojo service framework for device/usb

device/usb/device_impl_unittest.cc

Index: device/usb/device_impl_unittest.cc
diff --git a/device/usb/device_impl_unittest.cc b/device/usb/device_impl_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..293ffdd7fb23b0154aa3d676de941a7880833ba1
--- /dev/null
+++ b/device/usb/device_impl_unittest.cc
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+// Copyright 2015 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/bind.h"
+#include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
+#include "device/usb/device_impl.h"
+#include "device/usb/mock_usb_device.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h"
+
+namespace device {
+namespace usb {
+
+namespace {
+
+using DeviceImplTest = testing::Test;
+
+void ExpectDeviceInfoAndThen(uint16_t vendor_id,
+                             uint16_t product_id,
+                             const std::string& manufacturer,
+                             const std::string& product,
+                             const std::string& serial_number,
+                             const base::Closure& continuation,
+                             DeviceInfoPtr device_info) {
+  EXPECT_EQ(vendor_id, device_info->vendor_id);
+  EXPECT_EQ(product_id, device_info->product_id);
+  EXPECT_EQ(manufacturer, device_info->manufacturer);
+  EXPECT_EQ(product, device_info->product);
+  EXPECT_EQ(serial_number, device_info->serial_number);
+  continuation.Run();
+}
+
+}  // namespace
+
+// Test that the information returned via the Device::GetDeviceInfo matches that
+// of the underlying device.
+TEST_F(DeviceImplTest, GetDeviceInfo) {
+  base::MessageLoop message_loop;
+  scoped_refptr<MockUsbDevice> fake_device =
+      new MockUsbDevice(0x1234, 0x5678, "ACME", "Frobinator", "ABCDEF");
+  DevicePtr device;
+  EXPECT_CALL(*fake_device.get(), GetConfiguration());
+  new DeviceImpl(fake_device, mojo::GetProxy(&device));
+
+  base::RunLoop run_loop;
+  device->GetDeviceInfo(base::Bind(&ExpectDeviceInfoAndThen, 0x1234, 0x5678,
+                                   "ACME", "Frobinator", "ABCDEF",
+                                   run_loop.QuitClosure()));
+  run_loop.Run();
+}
+
+}  // namespace usb
+}  // namespace device