base/prefs/pref_value_map_unittest.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/prefs/pref_value_map.h"
   6
   7 #include "base/values.h"
   8 #include "testing/gtest/include/gtest/gtest.h"
   9
  10 namespace base {
  11 namespace {
  12
  13 TEST(PrefValueMapTest, SetValue) {
  14   PrefValueMap map;
  15   const Value* result = NULL;
  16   EXPECT_FALSE(map.GetValue("key", &result));
  17   EXPECT_FALSE(result);
  18
  19   EXPECT_TRUE(map.SetValue("key", new StringValue("test")));
  20   EXPECT_FALSE(map.SetValue("key", new StringValue("test")));
  21   EXPECT_TRUE(map.SetValue("key", new StringValue("hi mom!")));
  22
  23   EXPECT_TRUE(map.GetValue("key", &result));
  24   EXPECT_TRUE(StringValue("hi mom!").Equals(result));
  25 }
  26
  27 TEST(PrefValueMapTest, GetAndSetIntegerValue) {
  28   PrefValueMap map;
  29   ASSERT_TRUE(map.SetValue("key", new FundamentalValue(5)));
  30
  31   int int_value = 0;
  32   EXPECT_TRUE(map.GetInteger("key", &int_value));
  33   EXPECT_EQ(5, int_value);
  34
  35   map.SetInteger("key", -14);
  36   EXPECT_TRUE(map.GetInteger("key", &int_value));
  37   EXPECT_EQ(-14, int_value);
  38 }
  39
  40 TEST(PrefValueMapTest, RemoveValue) {
  41   PrefValueMap map;
  42   EXPECT_FALSE(map.RemoveValue("key"));
  43
  44   EXPECT_TRUE(map.SetValue("key", new StringValue("test")));
  45   EXPECT_TRUE(map.GetValue("key", NULL));
  46
  47   EXPECT_TRUE(map.RemoveValue("key"));
  48   EXPECT_FALSE(map.GetValue("key", NULL));
  49
  50   EXPECT_FALSE(map.RemoveValue("key"));
  51 }
  52
  53 TEST(PrefValueMapTest, Clear) {
  54   PrefValueMap map;
  55   EXPECT_TRUE(map.SetValue("key", new StringValue("test")));
  56   EXPECT_TRUE(map.GetValue("key", NULL));
  57
  58   map.Clear();
  59
  60   EXPECT_FALSE(map.GetValue("key", NULL));
  61 }
  62
  63 TEST(PrefValueMapTest, GetDifferingKeys) {
  64   PrefValueMap reference;
  65   EXPECT_TRUE(reference.SetValue("b", new StringValue("test")));
  66   EXPECT_TRUE(reference.SetValue("c", new StringValue("test")));
  67   EXPECT_TRUE(reference.SetValue("e", new StringValue("test")));
  68
  69   PrefValueMap check;
  70   std::vector<std::string> differing_paths;
  71   std::vector<std::string> expected_differing_paths;
  72
  73   reference.GetDifferingKeys(&check, &differing_paths);
  74   expected_differing_paths.push_back("b");
  75   expected_differing_paths.push_back("c");
  76   expected_differing_paths.push_back("e");
  77   EXPECT_EQ(expected_differing_paths, differing_paths);
  78
  79   EXPECT_TRUE(check.SetValue("a", new StringValue("test")));
  80   EXPECT_TRUE(check.SetValue("c", new StringValue("test")));
  81   EXPECT_TRUE(check.SetValue("d", new StringValue("test")));
  82
  83   reference.GetDifferingKeys(&check, &differing_paths);
  84   expected_differing_paths.clear();
  85   expected_differing_paths.push_back("a");
  86   expected_differing_paths.push_back("b");
  87   expected_differing_paths.push_back("d");
  88   expected_differing_paths.push_back("e");
  89   EXPECT_EQ(expected_differing_paths, differing_paths);
  90 }
  91
  92 TEST(PrefValueMapTest, SwapTwoMaps) {
  93   PrefValueMap first_map;
  94   EXPECT_TRUE(first_map.SetValue("a", new StringValue("test")));
  95   EXPECT_TRUE(first_map.SetValue("b", new StringValue("test")));
  96   EXPECT_TRUE(first_map.SetValue("c", new StringValue("test")));
  97
  98   PrefValueMap second_map;
  99   EXPECT_TRUE(second_map.SetValue("d", new StringValue("test")));
 100   EXPECT_TRUE(second_map.SetValue("e", new StringValue("test")));
 101   EXPECT_TRUE(second_map.SetValue("f", new StringValue("test")));
 102
 103   first_map.Swap(&second_map);
 104
 105   EXPECT_TRUE(first_map.GetValue("d", NULL));
 106   EXPECT_TRUE(first_map.GetValue("e", NULL));
 107   EXPECT_TRUE(first_map.GetValue("f", NULL));
 108
 109   EXPECT_TRUE(second_map.GetValue("a", NULL));
 110   EXPECT_TRUE(second_map.GetValue("b", NULL));
 111   EXPECT_TRUE(second_map.GetValue("c", NULL));
 112 }
 113
 114 }  // namespace
 115 }  // namespace base