Handle policy refresh internally in ConfigurationPolicyPrefStore.

chrome/browser/prefs/pref_value_map_unittest.cc

+// Copyright (c) 2010 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/values.h"
+#include "chrome/browser/prefs/pref_value_map.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+class PrefValueMapTest : public testing::Test {
+};
+
+TEST_F(PrefValueMapTest, SetValue) {
+  PrefValueMap map;
+  Value* result = NULL;
+  EXPECT_FALSE(map.GetValue("key", &result));
+  EXPECT_FALSE(result);
+
+  EXPECT_TRUE(map.SetValue("key", Value::CreateStringValue("test")));
+  EXPECT_FALSE(map.SetValue("key", Value::CreateStringValue("test")));
+  EXPECT_TRUE(map.SetValue("key", Value::CreateStringValue("hi mom!")));
+
+  EXPECT_TRUE(map.GetValue("key", &result));
+  EXPECT_TRUE(StringValue("hi mom!").Equals(result));
+}
+
+TEST_F(PrefValueMapTest, RemoveValue) {
+  PrefValueMap map;
+  EXPECT_FALSE(map.RemoveValue("key"));
+
+  EXPECT_TRUE(map.SetValue("key", Value::CreateStringValue("test")));
+  EXPECT_TRUE(map.GetValue("key", NULL));
+
+  EXPECT_TRUE(map.RemoveValue("key"));
+  EXPECT_FALSE(map.GetValue("key", NULL));
+
+  EXPECT_FALSE(map.RemoveValue("key"));
+}
+
+TEST_F(PrefValueMapTest, Clear) {
+  PrefValueMap map;
+  EXPECT_TRUE(map.SetValue("key", Value::CreateStringValue("test")));
+  EXPECT_TRUE(map.GetValue("key", NULL));
+
+  map.Clear();
+
+  EXPECT_FALSE(map.GetValue("key", NULL));
+}
+
+TEST_F(PrefValueMapTest, GetDifferingKeys) {
+  PrefValueMap reference;
+  EXPECT_TRUE(reference.SetValue("b", Value::CreateStringValue("test")));
+  EXPECT_TRUE(reference.SetValue("c", Value::CreateStringValue("test")));
+  EXPECT_TRUE(reference.SetValue("e", Value::CreateStringValue("test")));
+
+  PrefValueMap check;
+  std::vector<std::string> differing_paths;
+  std::vector<std::string> expected_differing_paths;
+
+  reference.GetDifferingKeys(&check, &differing_paths);
+  expected_differing_paths.push_back("b");
+  expected_differing_paths.push_back("c");
+  expected_differing_paths.push_back("e");
+  EXPECT_EQ(expected_differing_paths, differing_paths);
+
+  EXPECT_TRUE(check.SetValue("a", Value::CreateStringValue("test")));
+  EXPECT_TRUE(check.SetValue("c", Value::CreateStringValue("test")));
+  EXPECT_TRUE(check.SetValue("d", Value::CreateStringValue("test")));
+
+  reference.GetDifferingKeys(&check, &differing_paths);
+  expected_differing_paths.clear();
+  expected_differing_paths.push_back("a");
+  expected_differing_paths.push_back("b");
+  expected_differing_paths.push_back("d");
+  expected_differing_paths.push_back("e");
+  EXPECT_EQ(expected_differing_paths, differing_paths);
+}