Implements iOS device util methods.

base/ios/device_util_unittest.mm

+// 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 {
+
+typedef PlatformTest DeviceUtilTest;
+
+TEST_F(DeviceUtilTest, Platform) {
+  // The result here depends on what it is run on, so there isn't
+  // really a way to unittest it.  Just run the api to make sure it
+  // doesn't choke and returns a string with something in it.
+  NSString* platformStr = base::SysUTF8ToNSString(ios::device_util::platform());

[stuartmorgan, 2012/07/24 13:38:49]

s/platformStr/platform/

+  GTEST_ASSERT_GT([platformStr length], 0U);
+}
+
+TEST_F(DeviceUtilTest, IsRunningOnHighRamDevice) {
+  // The true/false here depends on what it is run on, so there isn't
+  // really a way to unittest it.  Just run the api to make sure it
+  // doesn't choke.
+  (void)ios::device_util::isRunningOnHighRamDevice();
+}
+
+TEST_F(DeviceUtilTest, DeviceIdentifier) {
+  NSString* default_id =
+      base::SysUTF8ToNSString(ios::device_util::deviceIdentifier(NULL));
+  NSString* other_id =
+      base::SysUTF8ToNSString(ios::device_util::deviceIdentifier("ForTest"));
+  EXPECT_NSNE(default_id, other_id);
+
+  NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];
+  [defaults removeObjectForKey:@"ChromiumClientID"];
+  [defaults synchronize];
+
+  NSString* new_default_id =
+      base::SysUTF8ToNSString(ios::device_util::deviceIdentifier(NULL));
+  EXPECT_NSNE(default_id, new_default_id);
+}
+
+}  // anonymous namespace