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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/strings/utf_string_conversions.h" | 5 #include "base/strings/utf_string_conversions.h" |
6 #include "testing/gtest/include/gtest/gtest.h" | 6 #include "testing/gtest/include/gtest/gtest.h" |
7 #include "webkit/common/dom_storage/dom_storage_map.h" | 7 #include "webkit/common/dom_storage/dom_storage_map.h" |
8 | 8 |
9 namespace dom_storage { | 9 namespace dom_storage { |
10 | 10 |
11 TEST(DomStorageMapTest, DomStorageMapBasics) { | 11 TEST(DomStorageMapTest, DomStorageMapBasics) { |
12 const base::string16 kKey(ASCIIToUTF16("key")); | 12 const base::string16 kKey(ASCIIToUTF16("key")); |
13 const base::string16 kValue(ASCIIToUTF16("value")); | 13 const base::string16 kValue(ASCIIToUTF16("value")); |
14 const size_t kValueBytes = kValue.size() * sizeof(char16); | 14 const size_t kValueBytes = kValue.size() * sizeof(char16); |
15 const size_t kItemBytes = | 15 const size_t kItemBytes = |
16 (kKey.size() + kValue.size()) * sizeof(char16); | 16 (kKey.size() + kValue.size()) * sizeof(char16); |
17 const base::string16 kKey2(ASCIIToUTF16("key2")); | 17 const base::string16 kKey2(ASCIIToUTF16("key2")); |
18 const size_t kKey2Bytes = kKey2.size() * sizeof(char16); | 18 const size_t kKey2Bytes = kKey2.size() * sizeof(char16); |
19 const base::string16 kValue2(ASCIIToUTF16("value2")); | 19 const base::string16 kValue2(ASCIIToUTF16("value2")); |
20 const size_t kItem2Bytes = | 20 const size_t kItem2Bytes = |
21 (kKey2.size() + kValue2.size()) * sizeof(char16); | 21 (kKey2.size() + kValue2.size()) * sizeof(char16); |
22 const size_t kQuota = 1024; // 1K quota for this test. | 22 const size_t kQuota = 1024; // 1K quota for this test. |
23 | 23 |
24 scoped_refptr<DomStorageMap> map(new DomStorageMap(kQuota)); | 24 scoped_refptr<DomStorageMap> map(new DomStorageMap(kQuota)); |
25 base::string16 old_value; | 25 base::string16 old_value; |
26 NullableString16 old_nullable_value; | 26 base::NullableString16 old_nullable_value; |
27 ValuesMap swap; | 27 ValuesMap swap; |
28 scoped_refptr<DomStorageMap> copy; | 28 scoped_refptr<DomStorageMap> copy; |
29 | 29 |
30 // Check the behavior of an empty map. | 30 // Check the behavior of an empty map. |
31 EXPECT_EQ(0u, map->Length()); | 31 EXPECT_EQ(0u, map->Length()); |
32 EXPECT_TRUE(map->Key(0).is_null()); | 32 EXPECT_TRUE(map->Key(0).is_null()); |
33 EXPECT_TRUE(map->Key(100).is_null()); | 33 EXPECT_TRUE(map->Key(100).is_null()); |
34 EXPECT_TRUE(map->GetItem(kKey).is_null()); | 34 EXPECT_TRUE(map->GetItem(kKey).is_null()); |
35 EXPECT_FALSE(map->RemoveItem(kKey, &old_value)); | 35 EXPECT_FALSE(map->RemoveItem(kKey, &old_value)); |
36 EXPECT_EQ(0u, map->bytes_used()); | 36 EXPECT_EQ(0u, map->bytes_used()); |
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85 TEST(DomStorageMapTest, EnforcesQuota) { | 85 TEST(DomStorageMapTest, EnforcesQuota) { |
86 const base::string16 kKey = ASCIIToUTF16("test_key"); | 86 const base::string16 kKey = ASCIIToUTF16("test_key"); |
87 const base::string16 kValue = ASCIIToUTF16("test_value"); | 87 const base::string16 kValue = ASCIIToUTF16("test_value"); |
88 const base::string16 kKey2 = ASCIIToUTF16("test_key_2"); | 88 const base::string16 kKey2 = ASCIIToUTF16("test_key_2"); |
89 | 89 |
90 // A 50 byte quota is too small to hold both keys, so we | 90 // A 50 byte quota is too small to hold both keys, so we |
91 // should see the DomStorageMap enforcing it. | 91 // should see the DomStorageMap enforcing it. |
92 const size_t kQuota = 50; | 92 const size_t kQuota = 50; |
93 | 93 |
94 base::string16 old_value; | 94 base::string16 old_value; |
95 NullableString16 old_nullable_value; | 95 base::NullableString16 old_nullable_value; |
96 | 96 |
97 scoped_refptr<DomStorageMap> map(new DomStorageMap(kQuota)); | 97 scoped_refptr<DomStorageMap> map(new DomStorageMap(kQuota)); |
98 EXPECT_TRUE(map->SetItem(kKey, kValue, &old_nullable_value)); | 98 EXPECT_TRUE(map->SetItem(kKey, kValue, &old_nullable_value)); |
99 EXPECT_FALSE(map->SetItem(kKey2, kValue, &old_nullable_value)); | 99 EXPECT_FALSE(map->SetItem(kKey2, kValue, &old_nullable_value)); |
100 EXPECT_EQ(1u, map->Length()); | 100 EXPECT_EQ(1u, map->Length()); |
101 | 101 |
102 EXPECT_TRUE(map->RemoveItem(kKey, &old_value)); | 102 EXPECT_TRUE(map->RemoveItem(kKey, &old_value)); |
103 EXPECT_EQ(kValue, old_value); | 103 EXPECT_EQ(kValue, old_value); |
104 EXPECT_EQ(0u, map->Length()); | 104 EXPECT_EQ(0u, map->Length()); |
105 EXPECT_TRUE(map->SetItem(kKey2, kValue, &old_nullable_value)); | 105 EXPECT_TRUE(map->SetItem(kKey2, kValue, &old_nullable_value)); |
106 EXPECT_EQ(1u, map->Length()); | 106 EXPECT_EQ(1u, map->Length()); |
107 | 107 |
108 // Verify that the SwapValues method does not do quota checking. | 108 // Verify that the SwapValues method does not do quota checking. |
109 ValuesMap swap; | 109 ValuesMap swap; |
110 swap[kKey] = NullableString16(kValue, false); | 110 swap[kKey] = base::NullableString16(kValue, false); |
111 swap[kKey2] = NullableString16(kValue, false); | 111 swap[kKey2] = base::NullableString16(kValue, false); |
112 map->SwapValues(&swap); | 112 map->SwapValues(&swap); |
113 EXPECT_GT(map->bytes_used(), kQuota); | 113 EXPECT_GT(map->bytes_used(), kQuota); |
114 | 114 |
115 // When overbudget, a new value of greater size than the existing value can | 115 // When overbudget, a new value of greater size than the existing value can |
116 // not be set, but a new value of lesser or equal size can be set. | 116 // not be set, but a new value of lesser or equal size can be set. |
117 EXPECT_TRUE(map->SetItem(kKey, kValue, &old_nullable_value)); | 117 EXPECT_TRUE(map->SetItem(kKey, kValue, &old_nullable_value)); |
118 EXPECT_FALSE(map->SetItem(kKey, base::string16(kValue + kValue), | 118 EXPECT_FALSE(map->SetItem(kKey, base::string16(kValue + kValue), |
119 &old_nullable_value)); | 119 &old_nullable_value)); |
120 EXPECT_TRUE(map->SetItem(kKey, base::string16(), &old_nullable_value)); | 120 EXPECT_TRUE(map->SetItem(kKey, base::string16(), &old_nullable_value)); |
121 EXPECT_EQ(kValue, old_nullable_value.string()); | 121 EXPECT_EQ(kValue, old_nullable_value.string()); |
122 } | 122 } |
123 | 123 |
124 } // namespace dom_storage | 124 } // namespace dom_storage |
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