content/browser/storage_partition_impl_map_unittest.cc

   1 // Copyright (c) 2012 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 "content/browser/storage_partition_impl_map.h"
   6 #include "testing/gtest/include/gtest/gtest.h"
   7
   8 namespace content {
   9
  10 class StoragePartitionConfigTest : public testing::Test {
  11 };
  12
  13 // Test that the Less comparison function is implemented properly to uniquely
  14 // identify storage partitions used as keys in a std::map.
  15 TEST_F(StoragePartitionConfigTest, OperatorLess) {
  16   StoragePartitionImplMap::StoragePartitionConfig c1("", "", false);
  17   StoragePartitionImplMap::StoragePartitionConfig c2("", "", false);
  18   StoragePartitionImplMap::StoragePartitionConfig c3("", "", true);
  19   StoragePartitionImplMap::StoragePartitionConfig c4("a", "", true);
  20   StoragePartitionImplMap::StoragePartitionConfig c5("b", "", true);
  21   StoragePartitionImplMap::StoragePartitionConfig c6("", "abc", false);
  22   StoragePartitionImplMap::StoragePartitionConfig c7("", "abc", true);
  23   StoragePartitionImplMap::StoragePartitionConfig c8("a", "abc", false);
  24   StoragePartitionImplMap::StoragePartitionConfig c9("a", "abc", true);
  25
  26   StoragePartitionImplMap::StoragePartitionConfigLess less;
  27
  28   // Let's ensure basic comparison works.
  29   EXPECT_TRUE(less(c1, c3));
  30   EXPECT_TRUE(less(c1, c4));
  31   EXPECT_TRUE(less(c3, c4));
  32   EXPECT_TRUE(less(c4, c5));
  33   EXPECT_TRUE(less(c4, c8));
  34   EXPECT_TRUE(less(c6, c4));
  35   EXPECT_TRUE(less(c6, c7));
  36   EXPECT_TRUE(less(c8, c9));
  37
  38   // Now, ensure antisymmetry for each pair we've tested.
  39   EXPECT_FALSE(less(c3, c1));
  40   EXPECT_FALSE(less(c4, c1));
  41   EXPECT_FALSE(less(c4, c3));
  42   EXPECT_FALSE(less(c5, c4));
  43   EXPECT_FALSE(less(c8, c4));
  44   EXPECT_FALSE(less(c4, c6));
  45   EXPECT_FALSE(less(c7, c6));
  46   EXPECT_FALSE(less(c9, c8));
  47
  48   // Check for irreflexivity.
  49   EXPECT_FALSE(less(c1, c1));
  50
  51   // Check for transitivity.
  52   EXPECT_TRUE(less(c1, c4));
  53
  54   // Let's enforce that two identical elements obey strict weak ordering.
  55   EXPECT_TRUE(!less(c1, c2) && !less(c2, c1));
  56 }
  57
  58 }  // namespace content