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| 1 // Copyright 2003-2009 Google Inc. | |
| 2 // | |
| 3 // Licensed under the Apache License, Version 2.0 (the "License"); | |
| 4 // you may not use this file except in compliance with the License. | |
| 5 // You may obtain a copy of the License at | |
| 6 // | |
| 7 // http://www.apache.org/licenses/LICENSE-2.0 | |
| 8 // | |
| 9 // Unless required by applicable law or agreed to in writing, software | |
| 10 // distributed under the License is distributed on an "AS IS" BASIS, | |
| 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 12 // See the License for the specific language governing permissions and | |
| 13 // limitations under the License. | |
| 14 // ======================================================================== | |
| 15 | |
| 16 // TODO(omaha): improve unit test. For example, test we are handling correctly | |
| 17 // different types of line termination. | |
| 18 | |
| 19 #include <vector> | |
| 20 #include "base/scoped_ptr.h" | |
| 21 #include "omaha/base/file_reader.h" | |
| 22 #include "omaha/testing/unit_test.h" | |
| 23 | |
| 24 namespace omaha { | |
| 25 | |
| 26 class ReadingFilesTest : public testing::Test { | |
| 27 protected: | |
| 28 ReadingFilesTest() { | |
| 29 temp_file_[0] = '\0'; | |
| 30 } | |
| 31 | |
| 32 virtual void SetUp() { | |
| 33 // create a temporary file | |
| 34 TCHAR temp_path[MAX_PATH] = {0}; | |
| 35 EXPECT_LT(::GetTempPath(arraysize(temp_path), temp_path), | |
| 36 arraysize(temp_path)); | |
| 37 EXPECT_NE(::GetTempFileName(temp_path, _T("ut_"), 0, temp_file_), 0); | |
| 38 } | |
| 39 | |
| 40 virtual void TearDown() { | |
| 41 // remove the temporary file | |
| 42 if (::lstrlen(temp_file_) > 0) { | |
| 43 ASSERT_SUCCEEDED(File::Remove(temp_file_)); | |
| 44 } | |
| 45 } | |
| 46 | |
| 47 void Compare(const std::vector<char*>& lines1, | |
| 48 const std::vector<char*>& lines2, | |
| 49 byte** orig_lines, int* lengths, int* copies) { | |
| 50 // verify that all three things match | |
| 51 // * The lines read using the File class, | |
| 52 // * The lines read using the FileReader class, | |
| 53 // * The original data used to write the files | |
| 54 EXPECT_EQ(lines1.size(), lines2.size()); | |
| 55 | |
| 56 for (uint32 line_number = 0; line_number < lines1.size(); line_number++) { | |
| 57 int index = 0; | |
| 58 int data_length = lengths[line_number]; | |
| 59 int data_copies = copies[line_number]; | |
| 60 for (int copy = 0; copy < data_copies; copy++) { | |
| 61 for (int index_data = 0; index_data < data_length; index_data++) { | |
| 62 EXPECT_EQ(lines1[line_number][index], lines2[line_number][index]); | |
| 63 EXPECT_EQ(lines1[line_number][index], | |
| 64 orig_lines[line_number][index_data]); | |
| 65 index++; | |
| 66 } | |
| 67 } | |
| 68 EXPECT_EQ(lines1[line_number][index], lines2[line_number][index]); | |
| 69 EXPECT_EQ(lines1[line_number][index], '\0'); | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 void DeleteContainedArrays(std::vector<char*>* lines) { | |
| 74 for (uint32 line_number = 0; line_number < lines->size(); line_number++) { | |
| 75 delete[] (*lines)[line_number]; | |
| 76 (*lines)[line_number] = NULL; | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 HRESULT WriteCStringW(File* file, CStringW* str) { | |
| 81 return file->Write(reinterpret_cast<const byte*>(str->GetBuffer()), | |
| 82 str->GetLength() * sizeof(WCHAR), | |
| 83 NULL); | |
| 84 } | |
| 85 | |
| 86 void TestReadFileStringUnicode(int buffer_size) { | |
| 87 CStringW line1 = L"hello there, here's some data"; | |
| 88 CStringW line2 = L"i've got more\tdata over here."; | |
| 89 CStringW eol1 = L"\r"; | |
| 90 CStringW eol2 = L"\r\n"; | |
| 91 CStringW eol3 = L"\n"; | |
| 92 | |
| 93 std::vector<CString> expected_lines; | |
| 94 expected_lines.push_back(CString(line1)); | |
| 95 expected_lines.push_back(CString(line2)); | |
| 96 expected_lines.push_back(CString(line1)); | |
| 97 expected_lines.push_back(CString(line1)); | |
| 98 expected_lines.push_back(CString(line2)); | |
| 99 | |
| 100 File file_write; | |
| 101 EXPECT_SUCCEEDED(file_write.Open(temp_file_, true, false)); | |
| 102 | |
| 103 // Write the unicode marker to the beginning of the file. | |
| 104 byte buf[2] = {0xff, 0xfe}; | |
| 105 EXPECT_SUCCEEDED(file_write.Write(buf, sizeof(buf), NULL)); | |
| 106 | |
| 107 EXPECT_SUCCEEDED(WriteCStringW(&file_write, &line1)); | |
| 108 EXPECT_SUCCEEDED(WriteCStringW(&file_write, &eol1)); | |
| 109 EXPECT_SUCCEEDED(WriteCStringW(&file_write, &line2)); | |
| 110 EXPECT_SUCCEEDED(WriteCStringW(&file_write, &eol1)); | |
| 111 EXPECT_SUCCEEDED(WriteCStringW(&file_write, &line1)); | |
| 112 EXPECT_SUCCEEDED(WriteCStringW(&file_write, &eol3)); | |
| 113 EXPECT_SUCCEEDED(WriteCStringW(&file_write, &line1)); | |
| 114 EXPECT_SUCCEEDED(WriteCStringW(&file_write, &eol2)); | |
| 115 EXPECT_SUCCEEDED(WriteCStringW(&file_write, &line2)); | |
| 116 file_write.Close(); | |
| 117 | |
| 118 FileReader reader; | |
| 119 EXPECT_SUCCEEDED(reader.Init(temp_file_, buffer_size)); | |
| 120 | |
| 121 std::vector<CString> read_lines; | |
| 122 CString current_string; | |
| 123 while (SUCCEEDED(reader.ReadLineString(¤t_string))) { | |
| 124 read_lines.push_back(current_string); | |
| 125 } | |
| 126 | |
| 127 ASSERT_EQ(expected_lines.size(), read_lines.size()); | |
| 128 | |
| 129 if (expected_lines.size() == read_lines.size()) { | |
| 130 for (size_t i = 0; i < expected_lines.size(); ++i) { | |
| 131 CString expected_str = expected_lines[i]; | |
| 132 CString read_str = read_lines[i]; | |
| 133 ASSERT_STREQ(expected_str, read_str); | |
| 134 } | |
| 135 } | |
| 136 } | |
| 137 | |
| 138 TCHAR temp_file_[MAX_PATH]; | |
| 139 | |
| 140 DISALLOW_EVIL_CONSTRUCTORS(ReadingFilesTest); | |
| 141 }; | |
| 142 | |
| 143 | |
| 144 TEST_F(ReadingFilesTest, ReadFile1) { | |
| 145 // write the data to the file | |
| 146 File file_write; | |
| 147 EXPECT_SUCCEEDED(file_write.Open(temp_file_, true, false)); | |
| 148 byte data1[] = {'a', 'b', 'c', 'z', '!', '&', '\t'}; | |
| 149 int data1_copies = 1; | |
| 150 EXPECT_SUCCEEDED(file_write.WriteN(data1, arraysize(data1), data1_copies, | |
| 151 NULL)); | |
| 152 byte return_data = '\n'; | |
| 153 EXPECT_SUCCEEDED(file_write.WriteN(&return_data, 1, 1, NULL)); | |
| 154 | |
| 155 byte data2[] = {'d', 'a', 'v', 'e', ' ', ' ', '\t', '\\'}; | |
| 156 int data2_copies = 2; | |
| 157 EXPECT_SUCCEEDED(file_write.WriteN(data2, arraysize(data2), data2_copies, | |
| 158 NULL)); | |
| 159 file_write.Close(); | |
| 160 | |
| 161 // read in the file line by line using the File class | |
| 162 std::vector<char*> lines1; | |
| 163 File file_read1; | |
| 164 ASSERT_SUCCEEDED(file_read1.Open(temp_file_, false, false)); | |
| 165 while (true) { | |
| 166 uint32 bytes_read; | |
| 167 scoped_array<char> line(new char[256]); | |
| 168 if (FAILED(file_read1.ReadLineAnsi(256, line.get(), &bytes_read))) { | |
| 169 break; | |
| 170 } | |
| 171 lines1.push_back(line.release()); | |
| 172 } | |
| 173 | |
| 174 file_read1.Close(); | |
| 175 | |
| 176 // read in the file line by line using the FileReader class | |
| 177 std::vector<char*> lines2; | |
| 178 FileReader file_read2; | |
| 179 size_t buffer_size = 512; | |
| 180 ASSERT_SUCCEEDED(file_read2.Init(temp_file_, buffer_size)); | |
| 181 while (true) { | |
| 182 scoped_array<char> line(new char[256]); | |
| 183 if (FAILED(file_read2.ReadLineAnsi(256, line.get()))) { | |
| 184 break; | |
| 185 } | |
| 186 lines2.push_back(line.release()); | |
| 187 } | |
| 188 | |
| 189 // Verify that everything matches | |
| 190 byte* (orig_lines[]) = {data1, data2}; | |
| 191 int copies[] = {data1_copies, data2_copies}; | |
| 192 int lengths[] = {arraysize(data1), arraysize(data2)}; | |
| 193 Compare(lines1, lines2, orig_lines, lengths, copies); | |
| 194 | |
| 195 // Free the allocated memory | |
| 196 DeleteContainedArrays(&lines1); | |
| 197 DeleteContainedArrays(&lines1); | |
| 198 } | |
| 199 | |
| 200 // Two readers should be able to read from the same file. | |
| 201 TEST_F(ReadingFilesTest, ReadFileShare) { | |
| 202 File file; | |
| 203 EXPECT_SUCCEEDED(file.Open(temp_file_, true, false)); | |
| 204 file.Close(); | |
| 205 | |
| 206 const size_t kBufferSize = 0x100; | |
| 207 | |
| 208 FileReader reader1; | |
| 209 EXPECT_SUCCEEDED(reader1.Init(temp_file_, kBufferSize)); | |
| 210 | |
| 211 FileReader reader2; | |
| 212 EXPECT_SUCCEEDED(reader2.Init(temp_file_, kBufferSize)); | |
| 213 } | |
| 214 | |
| 215 HRESULT WriteCStringA(File* file, CStringA* str) { | |
| 216 return file->Write(reinterpret_cast<const byte*>(str->GetBuffer()), | |
| 217 str->GetLength(), | |
| 218 NULL); | |
| 219 } | |
| 220 | |
| 221 TEST_F(ReadingFilesTest, ReadFileStringAnsi) { | |
| 222 CStringA line1 = "hello there, here's some data"; | |
| 223 CStringA line2 = "i've got more\tdata over here."; | |
| 224 CStringA eol1 = "\r"; | |
| 225 CStringA eol2 = "\r\n"; | |
| 226 CStringA eol3 = "\n"; | |
| 227 | |
| 228 std::vector<CString> expected_lines; | |
| 229 expected_lines.push_back(CString(line1)); | |
| 230 expected_lines.push_back(CString(line2)); | |
| 231 expected_lines.push_back(CString(line1)); | |
| 232 expected_lines.push_back(CString(line1)); | |
| 233 expected_lines.push_back(CString(line2)); | |
| 234 | |
| 235 File file_write; | |
| 236 EXPECT_SUCCEEDED(file_write.Open(temp_file_, true, false)); | |
| 237 EXPECT_SUCCEEDED(WriteCStringA(&file_write, &line1)); | |
| 238 EXPECT_SUCCEEDED(WriteCStringA(&file_write, &eol1)); | |
| 239 EXPECT_SUCCEEDED(WriteCStringA(&file_write, &line2)); | |
| 240 EXPECT_SUCCEEDED(WriteCStringA(&file_write, &eol1)); | |
| 241 EXPECT_SUCCEEDED(WriteCStringA(&file_write, &line1)); | |
| 242 EXPECT_SUCCEEDED(WriteCStringA(&file_write, &eol3)); | |
| 243 EXPECT_SUCCEEDED(WriteCStringA(&file_write, &line1)); | |
| 244 EXPECT_SUCCEEDED(WriteCStringA(&file_write, &eol2)); | |
| 245 EXPECT_SUCCEEDED(WriteCStringA(&file_write, &line2)); | |
| 246 file_write.Close(); | |
| 247 | |
| 248 FileReader reader; | |
| 249 EXPECT_SUCCEEDED(reader.Init(temp_file_, 20)); | |
| 250 | |
| 251 std::vector<CString> read_lines; | |
| 252 CString current_string; | |
| 253 while (SUCCEEDED(reader.ReadLineString(¤t_string))) { | |
| 254 read_lines.push_back(current_string); | |
| 255 } | |
| 256 | |
| 257 ASSERT_EQ(expected_lines.size(), read_lines.size()); | |
| 258 | |
| 259 if (expected_lines.size() == read_lines.size()) { | |
| 260 for (size_t i = 0; i < expected_lines.size(); ++i) { | |
| 261 CString expected_str = expected_lines[i]; | |
| 262 CString read_str = read_lines[i]; | |
| 263 ASSERT_STREQ(expected_str, read_str); | |
| 264 } | |
| 265 } | |
| 266 } | |
| 267 | |
| 268 TEST_F(ReadingFilesTest, ReadFileStringUnicodeSmallBuffer) { | |
| 269 TestReadFileStringUnicode(20); | |
| 270 } | |
| 271 | |
| 272 TEST_F(ReadingFilesTest, ReadFileStringUnicodeHugeBuffer) { | |
| 273 TestReadFileStringUnicode(4096); | |
| 274 } | |
| 275 | |
| 276 TEST_F(ReadingFilesTest, ReadFileStringUnicodeSmallOddBufferBuffer) { | |
| 277 TestReadFileStringUnicode(19); | |
| 278 } | |
| 279 | |
| 280 TEST_F(ReadingFilesTest, ReadFileStringUnicodeTinyOddBuffer) { | |
| 281 TestReadFileStringUnicode(3); | |
| 282 } | |
| 283 | |
| 284 TEST_F(ReadingFilesTest, ReadFileStringUnicodeTinyEvenBuffer) { | |
| 285 TestReadFileStringUnicode(2); | |
| 286 } | |
| 287 | |
| 288 TEST_F(ReadingFilesTest, ReadFileStringUnicodeOneByteBuffer) { | |
| 289 File file_write; | |
| 290 EXPECT_SUCCEEDED(file_write.Open(temp_file_, true, false)); | |
| 291 | |
| 292 // Write the unicode marker to the beginning of the file. | |
| 293 byte buf[2] = {0xff, 0xfe}; | |
| 294 EXPECT_SUCCEEDED(file_write.Write(buf, sizeof(buf), NULL)); | |
| 295 | |
| 296 file_write.Close(); | |
| 297 | |
| 298 FileReader reader; | |
| 299 EXPECT_EQ(HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER), | |
| 300 reader.Init(temp_file_, 1)); | |
| 301 } | |
| 302 | |
| 303 } // namespace omaha | |
| 304 | |
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Chromium Code Reviews
Issue 624713003:
Keep only base/extractor.[cc|h]. (Closed)
Base URL: https://chromium.googlesource.com/external/omaha.git@master