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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 "webkit/fileapi/file_system_database_test_helper.h" | |
6 | |
7 #include <algorithm> | |
8 #include <functional> | |
9 #include <vector> | |
10 | |
11 #include "base/file_util.h" | |
12 #include "base/stl_util.h" | |
13 #include "testing/gtest/include/gtest/gtest.h" | |
14 #include "webkit/fileapi/file_system_util.h" | |
15 | |
16 namespace fileapi { | |
17 | |
18 void CorruptDatabase(const FilePath& db_path, | |
19 leveldb::FileType type, | |
20 ptrdiff_t offset, | |
21 size_t size) { | |
22 file_util::FileEnumerator file_enum( | |
23 db_path, false /* recursive */, | |
24 static_cast<file_util::FileEnumerator::FileType>( | |
25 file_util::FileEnumerator::DIRECTORIES | | |
26 file_util::FileEnumerator::FILES)); | |
27 FilePath file_path; | |
28 FilePath picked_file_path; | |
29 uint64 picked_file_number = kuint64max; | |
30 | |
31 while (!(file_path = file_enum.Next()).empty()) { | |
32 uint64 number = kuint64max; | |
33 leveldb::FileType file_type; | |
34 EXPECT_TRUE(leveldb::ParseFileName(FilePathToString(file_path.BaseName()), | |
35 &number, &file_type)); | |
36 if (file_type == type && | |
37 (picked_file_number == kuint64max || picked_file_number < number)) { | |
38 picked_file_path = file_path; | |
39 picked_file_number = number; | |
40 } | |
41 } | |
42 | |
43 EXPECT_FALSE(picked_file_path.empty()); | |
44 EXPECT_NE(kuint64max, picked_file_number); | |
45 | |
46 bool created = true; | |
47 base::PlatformFileError error = base::PLATFORM_FILE_ERROR_FAILED; | |
48 base::PlatformFile file = | |
49 CreatePlatformFile(picked_file_path, | |
50 base::PLATFORM_FILE_OPEN | | |
51 base::PLATFORM_FILE_READ | | |
52 base::PLATFORM_FILE_WRITE, | |
53 &created, &error); | |
54 EXPECT_EQ(base::PLATFORM_FILE_OK, error); | |
55 EXPECT_FALSE(created); | |
56 | |
57 base::PlatformFileInfo file_info; | |
58 EXPECT_TRUE(base::GetPlatformFileInfo(file, &file_info)); | |
59 if (offset < 0) | |
60 offset += file_info.size; | |
61 EXPECT_GE(offset, 0); | |
62 EXPECT_LE(offset, file_info.size); | |
63 | |
64 size = std::min(size, static_cast<size_t>(file_info.size - offset)); | |
65 | |
66 std::vector<char> buf(size); | |
67 int read_size = base::ReadPlatformFile(file, offset, | |
68 vector_as_array(&buf), buf.size()); | |
69 EXPECT_LT(0, read_size); | |
70 EXPECT_GE(buf.size(), static_cast<size_t>(read_size)); | |
71 buf.resize(read_size); | |
72 | |
73 std::transform(buf.begin(), buf.end(), buf.begin(), | |
74 std::logical_not<char>()); | |
75 | |
76 int written_size = base::WritePlatformFile(file, offset, | |
77 vector_as_array(&buf), buf.size()); | |
78 EXPECT_GT(written_size, 0); | |
79 EXPECT_EQ(buf.size(), static_cast<size_t>(written_size)); | |
80 | |
81 base::ClosePlatformFile(file); | |
82 } | |
83 } | |
kinuko
2012/04/11 10:58:49
ditto.
tzik
2012/04/11 13:39:06
Done.
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