Fixed PolicyLoaderIOS unit tests on iOS 6.1.

components/policy/core/common/policy_loader_ios_unittest.mm

 // Copyright 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 <UIKit/UIKit.h>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/files/file_path.h"
+#include "base/ios/ios_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/test/test_simple_task_runner.h"
 #include "base/values.h"
 #include "components/policy/core/common/async_policy_provider.h"
 #include "components/policy/core/common/configuration_policy_provider_test.h"
 #include "components/policy/core/common/policy_bundle.h"
 #include "components/policy/core/common/policy_loader_ios.h"
 #include "components/policy/core/common/policy_map.h"
 #include "components/policy/core/common/policy_test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 117 matching lines @@
   });
 }
 
 // static
 PolicyProviderTestHarness* TestHarness::Create() {
   return new TestHarness(false);
 }
 
 // static
 PolicyProviderTestHarness* TestHarness::CreateWithEncodedKey() {
-  return new TestHarness(true);
+  if (base::ios::IsRunningOnIOS7OrLater())
+    return new TestHarness(true);
+  // Earlier versions of iOS don't have the APIs to support this test.
+  // Unfortunately it's not possible to conditionally run this harness using
+  // gtest, so we just fallback to running the non-encoded version.
+  NSLog(@"Skipping test");
+  return new TestHarness(false);
 }
 
 void TestHarness::AddPolicies(NSDictionary* policy) {
   if (use_encoded_key_)
     AddEncodedChromePolicy(policy);
   else
     AddChromePolicy(policy);
 }
 
 void TestHarness::AddChromePolicy(NSDictionary* policy) {
@@ skipping 59 matching lines @@
 
 INSTANTIATE_TEST_CASE_P(
     PolicyProviderIOSEncodedChromePolicyTest,
     ConfigurationPolicyProviderTest,
     testing::Values(TestHarness::CreateWithEncodedKey));
 
 TEST(PolicyProviderIOSTest, ChromePolicyOverEncodedChromePolicy) {
   // This test verifies that if the "ChromePolicy" key is present then the
   // "EncodedChromePolicy" key is ignored.
 
+  if (!base::ios::IsRunningOnIOS7OrLater()) {
+    // Skip this test if running on a version earlier than iOS 7.
+    NSLog(@"Skipping test");
+    return;
+  }
+
   NSDictionary* policy = @{
     @"shared": @"wrong",
     @"key1": @"value1",
   };
   NSData* data = [NSPropertyListSerialization
       dataWithPropertyList:policy
                     format:NSPropertyListXMLFormat_v1_0
                    options:0
                      error:NULL];
   NSString* encodedChromePolicy = [data base64EncodedStringWithOptions:0];
@@ skipping 21 matching lines @@
 
   scoped_refptr<base::TestSimpleTaskRunner> taskRunner =
       new base::TestSimpleTaskRunner();
   PolicyLoaderIOS loader(taskRunner);
   scoped_ptr<PolicyBundle> bundle = loader.Load();
   ASSERT_TRUE(bundle);
   EXPECT_TRUE(bundle->Equals(expected));
 }
 
 }  // namespace policy