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| 1 // Copyright (c) 2013 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 <algorithm> | |
| 6 #include <cstring> | |
| 7 #include <vector> | |
| 8 | |
| 9 #include "base/files/file_path.h" | |
| 10 #include "base/files/scoped_temp_dir.h" | |
| 11 #include "base/platform_file.h" | |
| 12 #include "base/string16.h" | |
| 13 #include "content/browser/indexed_db/leveldb/leveldb_comparator.h" | |
| 14 #include "content/browser/indexed_db/leveldb/leveldb_database.h" | |
| 15 #include "content/browser/indexed_db/leveldb/leveldb_iterator.h" | |
| 16 #include "content/browser/indexed_db/leveldb/leveldb_slice.h" | |
| 17 #include "content/browser/indexed_db/leveldb/leveldb_transaction.h" | |
| 18 #include "testing/gtest/include/gtest/gtest.h" | |
| 19 | |
| 20 namespace content { | |
| 21 | |
| 22 namespace { | |
| 23 | |
| 24 class SimpleComparator : public LevelDBComparator { | |
| 25 public: | |
| 26 virtual int Compare(const LevelDBSlice& a, const LevelDBSlice& b) const | |
| 27 OVERRIDE { | |
| 28 size_t len = std::min(a.end() - a.begin(), b.end() - b.begin()); | |
| 29 return memcmp(a.begin(), b.begin(), len); | |
| 30 } | |
| 31 virtual const char* Name() const OVERRIDE { return "temp_comparator"; } | |
| 32 }; | |
| 33 | |
| 34 std::vector<char> EncodeString(const std::string& s) { | |
| 35 std::vector<char> ret(s.size()); | |
| 36 for (size_t i = 0; i < s.size(); ++i) | |
| 37 ret[i] = s[i]; | |
| 38 return ret; | |
| 39 } | |
| 40 | |
| 41 TEST(LevelDBDatabaseTest, CorruptionTest) { | |
| 42 base::ScopedTempDir temp_directory; | |
| 43 ASSERT_TRUE(temp_directory.CreateUniqueTempDir()); | |
| 44 | |
| 45 const std::vector<char> key = EncodeString("key"); | |
| 46 const std::vector<char> put_value = EncodeString("value"); | |
| 47 std::vector<char> got_value; | |
| 48 SimpleComparator comparator; | |
| 49 | |
| 50 scoped_ptr<LevelDBDatabase> leveldb = | |
| 51 LevelDBDatabase::Open(temp_directory.path(), &comparator); | |
| 52 EXPECT_TRUE(leveldb); | |
| 53 bool success = leveldb->Put(LevelDBSlice(key), put_value); | |
| 54 EXPECT_TRUE(success); | |
| 55 leveldb.Pass(); | |
| 56 EXPECT_FALSE(leveldb); | |
| 57 | |
| 58 leveldb = LevelDBDatabase::Open(temp_directory.path(), &comparator); | |
| 59 EXPECT_TRUE(leveldb); | |
| 60 bool found = false; | |
| 61 success = leveldb->Get(LevelDBSlice(key), got_value, found); | |
| 62 EXPECT_TRUE(success); | |
| 63 EXPECT_TRUE(found); | |
| 64 EXPECT_EQ(put_value, got_value); | |
| 65 leveldb.Pass(); | |
| 66 EXPECT_FALSE(leveldb); | |
| 67 | |
| 68 base::FilePath file_path = temp_directory.path().AppendASCII("CURRENT"); | |
| 69 base::PlatformFile handle = base::CreatePlatformFile( | |
| 70 file_path, | |
| 71 base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_WRITE, | |
| 72 NULL, | |
| 73 NULL); | |
| 74 base::TruncatePlatformFile(handle, 0); | |
| 75 base::ClosePlatformFile(handle); | |
| 76 | |
| 77 leveldb = LevelDBDatabase::Open(temp_directory.path(), &comparator); | |
| 78 EXPECT_FALSE(leveldb); | |
| 79 | |
| 80 bool destroyed = LevelDBDatabase::Destroy(temp_directory.path()); | |
| 81 EXPECT_TRUE(destroyed); | |
| 82 | |
| 83 leveldb = LevelDBDatabase::Open(temp_directory.path(), &comparator); | |
| 84 EXPECT_TRUE(leveldb); | |
| 85 success = leveldb->Get(LevelDBSlice(key), got_value, found); | |
| 86 EXPECT_TRUE(success); | |
| 87 EXPECT_FALSE(found); | |
| 88 } | |
| 89 | |
| 90 TEST(LevelDBDatabaseTest, Transaction) { | |
| 91 base::ScopedTempDir temp_directory; | |
| 92 ASSERT_TRUE(temp_directory.CreateUniqueTempDir()); | |
| 93 | |
| 94 const std::vector<char> key = EncodeString("key"); | |
| 95 std::vector<char> got_value; | |
| 96 SimpleComparator comparator; | |
| 97 | |
| 98 scoped_ptr<LevelDBDatabase> leveldb = | |
| 99 LevelDBDatabase::Open(temp_directory.path(), &comparator); | |
| 100 EXPECT_TRUE(leveldb); | |
| 101 | |
| 102 const std::vector<char> old_value = EncodeString("value"); | |
| 103 bool success = leveldb->Put(LevelDBSlice(key), old_value); | |
| 104 EXPECT_TRUE(success); | |
| 105 | |
| 106 scoped_refptr<LevelDBTransaction> transaction = | |
| 107 LevelDBTransaction::Create(leveldb.get()); | |
| 108 | |
| 109 const std::vector<char> new_value = EncodeString("new value"); | |
| 110 success = leveldb->Put(LevelDBSlice(key), new_value); | |
| 111 EXPECT_TRUE(success); | |
| 112 | |
| 113 bool found = false; | |
| 114 success = transaction->Get(LevelDBSlice(key), got_value, found); | |
| 115 EXPECT_TRUE(success); | |
| 116 EXPECT_TRUE(found); | |
| 117 EXPECT_EQ( | |
| 118 comparator.Compare(LevelDBSlice(got_value), LevelDBSlice(old_value)), 0); | |
| 119 | |
| 120 found = false; | |
| 121 success = leveldb->Get(LevelDBSlice(key), got_value, found); | |
| 122 EXPECT_TRUE(success); | |
| 123 EXPECT_TRUE(found); | |
| 124 EXPECT_EQ( | |
| 125 comparator.Compare(LevelDBSlice(got_value), LevelDBSlice(new_value)), 0); | |
| 126 | |
| 127 const std::vector<char> added_key = EncodeString("added key"); | |
| 128 const std::vector<char> added_value = EncodeString("added value"); | |
| 129 success = leveldb->Put(LevelDBSlice(added_key), added_value); | |
| 130 EXPECT_TRUE(success); | |
| 131 | |
| 132 success = leveldb->Get(LevelDBSlice(added_key), got_value, found); | |
| 133 EXPECT_TRUE(success); | |
| 134 EXPECT_TRUE(found); | |
| 135 EXPECT_EQ( | |
| 136 comparator.Compare(LevelDBSlice(got_value), LevelDBSlice(added_value)), | |
| 137 0); | |
| 138 | |
| 139 success = transaction->Get(LevelDBSlice(added_key), got_value, found); | |
| 140 EXPECT_TRUE(success); | |
| 141 EXPECT_FALSE(found); | |
| 142 } | |
| 143 | |
| 144 TEST(LevelDBDatabaseTest, TransactionIterator) { | |
| 145 base::ScopedTempDir temp_directory; | |
| 146 ASSERT_TRUE(temp_directory.CreateUniqueTempDir()); | |
| 147 | |
| 148 const std::vector<char> start = EncodeString(""); | |
| 149 const std::vector<char> key1 = EncodeString("key1"); | |
| 150 const std::vector<char> value1 = EncodeString("value1"); | |
| 151 const std::vector<char> key2 = EncodeString("key2"); | |
| 152 const std::vector<char> value2 = EncodeString("value2"); | |
| 153 | |
| 154 SimpleComparator comparator; | |
| 155 bool success; | |
| 156 | |
| 157 scoped_ptr<LevelDBDatabase> leveldb = | |
| 158 LevelDBDatabase::Open(temp_directory.path(), &comparator); | |
| 159 EXPECT_TRUE(leveldb); | |
| 160 | |
| 161 success = leveldb->Put(LevelDBSlice(key1), value1); | |
| 162 EXPECT_TRUE(success); | |
| 163 success = leveldb->Put(LevelDBSlice(key2), value2); | |
| 164 EXPECT_TRUE(success); | |
| 165 | |
| 166 scoped_refptr<LevelDBTransaction> transaction = | |
| 167 LevelDBTransaction::Create(leveldb.get()); | |
| 168 | |
| 169 success = leveldb->Remove(LevelDBSlice(key2)); | |
| 170 EXPECT_TRUE(success); | |
| 171 | |
| 172 scoped_ptr<LevelDBIterator> it = transaction->CreateIterator(); | |
| 173 | |
| 174 it->Seek(LevelDBSlice(start)); | |
| 175 | |
| 176 EXPECT_TRUE(it->IsValid()); | |
| 177 EXPECT_EQ(comparator.Compare(LevelDBSlice(it->Key()), LevelDBSlice(key1)), 0); | |
| 178 EXPECT_EQ(comparator.Compare(it->Value(), LevelDBSlice(value1)), 0); | |
| 179 | |
| 180 it->Next(); | |
| 181 | |
| 182 EXPECT_TRUE(it->IsValid()); | |
| 183 EXPECT_EQ(comparator.Compare(it->Key(), LevelDBSlice(key2)), 0); | |
| 184 EXPECT_EQ(comparator.Compare(it->Value(), LevelDBSlice(value2)), 0); | |
| 185 | |
| 186 it->Next(); | |
| 187 | |
| 188 EXPECT_FALSE(it->IsValid()); | |
| 189 } | |
| 190 | |
| 191 } // namespace | |
| 192 | |
| 193 } // namespace content | |
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Chromium Code Reviews
Issue 15659013:
Revert "Migrate the IndexedDB backend from Blink to Chromium" (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src