base/property_bag_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/property_bag.h"
   6 #include "testing/gtest/include/gtest/gtest.h"
   7
   8 namespace base {
   9
  10 TEST(PropertyBagTest, AddQueryRemove) {
  11   PropertyBag bag;
  12   PropertyAccessor<int> adaptor;
  13
  14   // Should be no match initially.
  15   EXPECT_TRUE(adaptor.GetProperty(&bag) == NULL);
  16
  17   // Add the value and make sure we get it back.
  18   const int kFirstValue = 1;
  19   adaptor.SetProperty(&bag, kFirstValue);
  20   ASSERT_TRUE(adaptor.GetProperty(&bag));
  21   EXPECT_EQ(kFirstValue, *adaptor.GetProperty(&bag));
  22
  23   // Set it to a new value.
  24   const int kSecondValue = 2;
  25   adaptor.SetProperty(&bag, kSecondValue);
  26   ASSERT_TRUE(adaptor.GetProperty(&bag));
  27   EXPECT_EQ(kSecondValue, *adaptor.GetProperty(&bag));
  28
  29   // Remove the value and make sure it's gone.
  30   adaptor.DeleteProperty(&bag);
  31   EXPECT_TRUE(adaptor.GetProperty(&bag) == NULL);
  32 }
  33
  34 TEST(PropertyBagTest, Copy) {
  35   PropertyAccessor<int> adaptor1;
  36   PropertyAccessor<double> adaptor2;
  37
  38   // Create a bag with property type 1 in it.
  39   PropertyBag copy;
  40   adaptor1.SetProperty(&copy, 22);
  41
  42   const int kType1Value = 10;
  43   const double kType2Value = 2.7;
  44   {
  45     // Create a bag with property types 1 and 2 in it.
  46     PropertyBag initial;
  47     adaptor1.SetProperty(&initial, kType1Value);
  48     adaptor2.SetProperty(&initial, kType2Value);
  49
  50     // Assign to the original.
  51     copy = initial;
  52   }
  53
  54   // Verify the copy got the two properties.
  55   ASSERT_TRUE(adaptor1.GetProperty(&copy));
  56   ASSERT_TRUE(adaptor2.GetProperty(&copy));
  57   EXPECT_EQ(kType1Value, *adaptor1.GetProperty(&copy));
  58   EXPECT_EQ(kType2Value, *adaptor2.GetProperty(&copy));
  59
  60   // Clear it out, neither property should be left.
  61   copy = PropertyBag();
  62   EXPECT_TRUE(adaptor1.GetProperty(&copy) == NULL);
  63   EXPECT_TRUE(adaptor2.GetProperty(&copy) == NULL);
  64 }
  65
  66 }  // namespace base