Adding USB ID vendor and product lookups.

device/usb/usb_ids_unittest.cc

Index: device/usb/usb_ids_unittest.cc
diff --git a/device/usb/usb_ids_unittest.cc b/device/usb/usb_ids_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..decce1e703f3d9ef0536a6214bb1f4453ef8b528
--- /dev/null
+++ b/device/usb/usb_ids_unittest.cc
@@ -0,0 +1,31 @@
+// 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 <string>
+
+#include "device/usb/usb_ids.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+static const uint16_t kGoogleVendorId = 0x18d1;
+static const uint16_t kNexusSProductId = 0x4e21;
+
+}  // namespace
+
+namespace device {
+
+TEST(UsbIdsTest, GetVendorName) {
+  EXPECT_EQ(NULL, UsbIds::GetVendorName(0));
+  EXPECT_EQ(std::string("Google Inc."), UsbIds::GetVendorName(kGoogleVendorId));
+}
+
+TEST(UsbIdsTest, GetProductName) {
+  EXPECT_EQ(NULL, UsbIds::GetProductName(0, 0));
+  EXPECT_EQ(NULL, UsbIds::GetProductName(kGoogleVendorId, 0));
+  EXPECT_EQ(std::string("Nexus S"), UsbIds::GetProductName(kGoogleVendorId,
+                                                           kNexusSProductId));
+}
+
+}  // namespace device