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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "net/disk_cache/simple/simple_version_upgrade.h" | 5 #include "net/disk_cache/simple/simple_version_upgrade.h" |
6 | 6 |
7 #include <stdint.h> | 7 #include <stdint.h> |
8 | 8 |
9 #include "base/basictypes.h" | |
10 #include "base/files/file_path.h" | 9 #include "base/files/file_path.h" |
11 #include "base/files/file_util.h" | 10 #include "base/files/file_util.h" |
12 #include "base/files/scoped_temp_dir.h" | 11 #include "base/files/scoped_temp_dir.h" |
13 #include "base/format_macros.h" | 12 #include "base/format_macros.h" |
14 #include "base/strings/stringprintf.h" | 13 #include "base/strings/stringprintf.h" |
15 #include "net/base/net_errors.h" | 14 #include "net/base/net_errors.h" |
16 #include "net/disk_cache/simple/simple_backend_version.h" | 15 #include "net/disk_cache/simple/simple_backend_version.h" |
17 #include "net/disk_cache/simple/simple_entry_format_history.h" | 16 #include "net/disk_cache/simple/simple_entry_format_history.h" |
18 #include "testing/gtest/include/gtest/gtest.h" | 17 #include "testing/gtest/include/gtest/gtest.h" |
19 | 18 |
20 // The migration process relies on ability to rename newly created files, which | 19 // The migration process relies on ability to rename newly created files, which |
21 // could be problematic on Windows XP. | 20 // could be problematic on Windows XP. |
22 #if defined(OS_POSIX) | 21 #if defined(OS_POSIX) |
23 | 22 |
24 namespace { | 23 namespace { |
25 | 24 |
26 // Same as |disk_cache::kSimpleInitialMagicNumber|. | 25 // Same as |disk_cache::kSimpleInitialMagicNumber|. |
27 const uint64 kSimpleInitialMagicNumber = UINT64_C(0xfcfb6d1ba7725c30); | 26 const uint64_t kSimpleInitialMagicNumber = UINT64_C(0xfcfb6d1ba7725c30); |
28 | 27 |
29 // The "fake index" file that cache backends use to distinguish whether the | 28 // The "fake index" file that cache backends use to distinguish whether the |
30 // cache belongs to one backend or another. | 29 // cache belongs to one backend or another. |
31 const char kFakeIndexFileName[] = "index"; | 30 const char kFakeIndexFileName[] = "index"; |
32 | 31 |
33 // Same as |SimpleIndexFile::kIndexFileName|. | 32 // Same as |SimpleIndexFile::kIndexFileName|. |
34 const char kIndexFileName[] = "the-real-index"; | 33 const char kIndexFileName[] = "the-real-index"; |
35 | 34 |
36 bool WriteFakeIndexFileV5(const base::FilePath& cache_path) { | 35 bool WriteFakeIndexFileV5(const base::FilePath& cache_path) { |
37 disk_cache::FakeIndexData data; | 36 disk_cache::FakeIndexData data; |
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95 const base::FilePath cache_path = cache_dir.path(); | 94 const base::FilePath cache_path = cache_dir.path(); |
96 | 95 |
97 WriteFakeIndexFileV5(cache_path); | 96 WriteFakeIndexFileV5(cache_path); |
98 const std::string file_contents("incorrectly serialized data"); | 97 const std::string file_contents("incorrectly serialized data"); |
99 const base::FilePath index_file = cache_path.AppendASCII(kIndexFileName); | 98 const base::FilePath index_file = cache_path.AppendASCII(kIndexFileName); |
100 ASSERT_EQ( | 99 ASSERT_EQ( |
101 static_cast<int>(file_contents.size()), | 100 static_cast<int>(file_contents.size()), |
102 base::WriteFile(index_file, file_contents.data(), file_contents.size())); | 101 base::WriteFile(index_file, file_contents.data(), file_contents.size())); |
103 | 102 |
104 // Create a few entry-like files. | 103 // Create a few entry-like files. |
105 const uint64 kEntries = 5; | 104 const uint64_t kEntries = 5; |
106 for (uint64 entry_hash = 0; entry_hash < kEntries; ++entry_hash) { | 105 for (uint64_t entry_hash = 0; entry_hash < kEntries; ++entry_hash) { |
107 for (int index = 0; index < 3; ++index) { | 106 for (int index = 0; index < 3; ++index) { |
108 std::string file_name = | 107 std::string file_name = |
109 base::StringPrintf("%016" PRIx64 "_%1d", entry_hash, index); | 108 base::StringPrintf("%016" PRIx64 "_%1d", entry_hash, index); |
110 std::string entry_contents = | 109 std::string entry_contents = |
111 file_contents + | 110 file_contents + |
112 base::StringPrintf(" %" PRIx64, static_cast<uint64>(entry_hash)); | 111 base::StringPrintf(" %" PRIx64, static_cast<uint64_t>(entry_hash)); |
113 ASSERT_EQ(static_cast<int>(entry_contents.size()), | 112 ASSERT_EQ(static_cast<int>(entry_contents.size()), |
114 base::WriteFile(cache_path.AppendASCII(file_name), | 113 base::WriteFile(cache_path.AppendASCII(file_name), |
115 entry_contents.data(), entry_contents.size())); | 114 entry_contents.data(), entry_contents.size())); |
116 } | 115 } |
117 } | 116 } |
118 | 117 |
119 // Upgrade. | 118 // Upgrade. |
120 ASSERT_TRUE(disk_cache::UpgradeIndexV5V6(cache_path)); | 119 ASSERT_TRUE(disk_cache::UpgradeIndexV5V6(cache_path)); |
121 | 120 |
122 // Check that the old index disappeared but the files remain unchanged. | 121 // Check that the old index disappeared but the files remain unchanged. |
123 EXPECT_FALSE(base::PathExists(index_file)); | 122 EXPECT_FALSE(base::PathExists(index_file)); |
124 for (uint64 entry_hash = 0; entry_hash < kEntries; ++entry_hash) { | 123 for (uint64_t entry_hash = 0; entry_hash < kEntries; ++entry_hash) { |
125 for (int index = 0; index < 3; ++index) { | 124 for (int index = 0; index < 3; ++index) { |
126 std::string file_name = | 125 std::string file_name = |
127 base::StringPrintf("%016" PRIx64 "_%1d", entry_hash, index); | 126 base::StringPrintf("%016" PRIx64 "_%1d", entry_hash, index); |
128 std::string expected_contents = | 127 std::string expected_contents = |
129 file_contents + | 128 file_contents + |
130 base::StringPrintf(" %" PRIx64, static_cast<uint64>(entry_hash)); | 129 base::StringPrintf(" %" PRIx64, static_cast<uint64_t>(entry_hash)); |
131 std::string real_contents; | 130 std::string real_contents; |
132 EXPECT_TRUE(base::ReadFileToString(cache_path.AppendASCII(file_name), | 131 EXPECT_TRUE(base::ReadFileToString(cache_path.AppendASCII(file_name), |
133 &real_contents)); | 132 &real_contents)); |
134 EXPECT_EQ(expected_contents, real_contents); | 133 EXPECT_EQ(expected_contents, real_contents); |
135 } | 134 } |
136 } | 135 } |
137 } | 136 } |
138 | 137 |
139 } // namespace | 138 } // namespace |
140 | 139 |
141 #endif // defined(OS_POSIX) | 140 #endif // defined(OS_POSIX) |
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