Implements iOS device util methods.

base/ios/device_util_unittest.mm

Index: base/ios/device_util_unittest.mm
diff --git a/base/ios/device_util_unittest.mm b/base/ios/device_util_unittest.mm
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+// 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.
+
+#import <Foundation/Foundation.h>
+
+#include "base/ios/device_util.h"
+#include "base/sys_string_conversions.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/gtest_mac.h"
+#include "testing/platform_test.h"
+
+namespace {
+// The behavior of most of these utility functions depends on what they are run
+// on, so there is not much to unittest them. The APIs are run to make sure they
+// don't choke. Additional checks are added for particular APIs when needed.
+
+typedef PlatformTest DeviceUtilTest;
+
+TEST_F(DeviceUtilTest, GetPlatform) {
+  GTEST_ASSERT_GT(ios::device_util::GetPlatform().length(), 0U);
+}
+
+TEST_F(DeviceUtilTest, IsRunningOnHighRamDevice) {
+  ios::device_util::IsRunningOnHighRamDevice();
+}
+
+TEST_F(DeviceUtilTest, IsSingleCoreDevice) {
+  ios::device_util::IsSingleCoreDevice();
+}
+
+TEST_F(DeviceUtilTest, GetMacAddress) {
+  GTEST_ASSERT_GT(ios::device_util::GetMacAddress("en0").length(), 0U);
+}
+
+TEST_F(DeviceUtilTest, GetRandomId) {
+  GTEST_ASSERT_GT(ios::device_util::GetRandomId().length(), 0U);
+}
+
+TEST_F(DeviceUtilTest, GetDeviceIdentifier) {
+  std::string default_id = ios::device_util::GetDeviceIdentifier(NULL);
+  std::string other_id = ios::device_util::GetDeviceIdentifier("ForTest");
+  EXPECT_NE(default_id, other_id);
+
+  NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];
+  [defaults removeObjectForKey:@"ChromiumClientID"];
+  [defaults synchronize];
+
+  std::string new_default_id = ios::device_util::GetDeviceIdentifier(NULL);
+  EXPECT_NE(default_id, new_default_id);
+}
+
+}  // namespace