src/third_party/zlib/google/zip_reader_unittest.cc

   1 // Copyright (c) 2011 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 "third_party/zlib/google/zip_reader.h"
   6
   7 #include <set>
   8 #include <string>
   9
  10 #include "base/bind.h"
  11 #include "base/file_util.h"
  12 #include "base/files/file.h"
  13 #include "base/files/scoped_temp_dir.h"
  14 #include "base/logging.h"
  15 #include "base/md5.h"
  16 #include "base/path_service.h"
  17 #include "base/run_loop.h"
  18 #include "base/strings/utf_string_conversions.h"
  19 #include "base/time/time.h"
  20 #include "testing/gtest/include/gtest/gtest.h"
  21 #include "testing/platform_test.h"
  22 #include "third_party/zlib/google/zip_internal.h"
  23
  24 namespace {
  25
  26 const static std::string kQuuxExpectedMD5 = "d1ae4ac8a17a0e09317113ab284b57a6";
  27
  28 class FileWrapper {
  29  public:
  30   typedef enum {
  31     READ_ONLY,
  32     READ_WRITE
  33   } AccessMode;
  34
  35   FileWrapper(const base::FilePath& path, AccessMode mode) {
  36     int flags = base::File::FLAG_READ;
  37     if (mode == READ_ONLY)
  38       flags |= base::File::FLAG_OPEN;
  39     else
  40       flags |= base::File::FLAG_WRITE | base::File::FLAG_CREATE_ALWAYS;
  41
  42     file_.Initialize(path, flags);
  43   }
  44
  45   ~FileWrapper() {}
  46
  47   base::PlatformFile platform_file() { return file_.GetPlatformFile(); }
  48
  49  private:
  50   base::File file_;
  51 };
  52
  53 // A mock that provides methods that can be used as callbacks in asynchronous
  54 // unzip functions.  Tracks the number of calls and number of bytes reported.
  55 // Assumes that progress callbacks will be executed in-order.
  56 class MockUnzipListener : public base::SupportsWeakPtr<MockUnzipListener> {
  57  public:
  58   MockUnzipListener()
  59       : success_calls_(0),
  60         failure_calls_(0),
  61         progress_calls_(0),
  62         current_progress_(0) {
  63   }
  64
  65   // Success callback for async functions.
  66   void OnUnzipSuccess() {
  67     success_calls_++;
  68   }
  69
  70   // Failure callback for async functions.
  71   void OnUnzipFailure() {
  72     failure_calls_++;
  73   }
  74
  75   // Progress callback for async functions.
  76   void OnUnzipProgress(int64 progress) {
  77     DCHECK(progress > current_progress_);
  78     progress_calls_++;
  79     current_progress_ = progress;
  80   }
  81
  82   int success_calls() { return success_calls_; }
  83   int failure_calls() { return failure_calls_; }
  84   int progress_calls() { return progress_calls_; }
  85   int current_progress() { return current_progress_; }
  86
  87  private:
  88   int success_calls_;
  89   int failure_calls_;
  90   int progress_calls_;
  91
  92   int64 current_progress_;
  93 };
  94
  95 }   // namespace
  96
  97 namespace zip {
  98
  99 // Make the test a PlatformTest to setup autorelease pools properly on Mac.
 100 class ZipReaderTest : public PlatformTest {
 101  protected:
 102   virtual void SetUp() {
 103     PlatformTest::SetUp();
 104
 105     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 106     test_dir_ = temp_dir_.path();
 107
 108     ASSERT_TRUE(GetTestDataDirectory(&test_data_dir_));
 109
 110     test_zip_file_ = test_data_dir_.AppendASCII("test.zip");
 111     evil_zip_file_ = test_data_dir_.AppendASCII("evil.zip");
 112     evil_via_invalid_utf8_zip_file_ = test_data_dir_.AppendASCII(
 113         "evil_via_invalid_utf8.zip");
 114     evil_via_absolute_file_name_zip_file_ = test_data_dir_.AppendASCII(
 115         "evil_via_absolute_file_name.zip");
 116
 117     test_zip_contents_.insert(base::FilePath(FILE_PATH_LITERAL("foo/")));
 118     test_zip_contents_.insert(base::FilePath(FILE_PATH_LITERAL("foo/bar/")));
 119     test_zip_contents_.insert(
 120         base::FilePath(FILE_PATH_LITERAL("foo/bar/baz.txt")));
 121     test_zip_contents_.insert(
 122         base::FilePath(FILE_PATH_LITERAL("foo/bar/quux.txt")));
 123     test_zip_contents_.insert(
 124         base::FilePath(FILE_PATH_LITERAL("foo/bar.txt")));
 125     test_zip_contents_.insert(base::FilePath(FILE_PATH_LITERAL("foo.txt")));
 126     test_zip_contents_.insert(
 127         base::FilePath(FILE_PATH_LITERAL("foo/bar/.hidden")));
 128   }
 129
 130   virtual void TearDown() {
 131     PlatformTest::TearDown();
 132   }
 133
 134   bool GetTestDataDirectory(base::FilePath* path) {
 135     bool success = PathService::Get(base::DIR_SOURCE_ROOT, path);
 136     EXPECT_TRUE(success);
 137     if (!success)
 138       return false;
 139     *path = path->AppendASCII("third_party");
 140     *path = path->AppendASCII("zlib");
 141     *path = path->AppendASCII("google");
 142     *path = path->AppendASCII("test");
 143     *path = path->AppendASCII("data");
 144     return true;
 145   }
 146
 147   bool CompareFileAndMD5(const base::FilePath& path,
 148                          const std::string expected_md5) {
 149     // Read the output file and compute the MD5.
 150     std::string output;
 151     if (!base::ReadFileToString(path, &output))
 152       return false;
 153     const std::string md5 = base::MD5String(output);
 154     return expected_md5 == md5;
 155   }
 156
 157   // The path to temporary directory used to contain the test operations.
 158   base::FilePath test_dir_;
 159   // The path to the test data directory where test.zip etc. are located.
 160   base::FilePath test_data_dir_;
 161   // The path to test.zip in the test data directory.
 162   base::FilePath test_zip_file_;
 163   // The path to evil.zip in the test data directory.
 164   base::FilePath evil_zip_file_;
 165   // The path to evil_via_invalid_utf8.zip in the test data directory.
 166   base::FilePath evil_via_invalid_utf8_zip_file_;
 167   // The path to evil_via_absolute_file_name.zip in the test data directory.
 168   base::FilePath evil_via_absolute_file_name_zip_file_;
 169   std::set<base::FilePath> test_zip_contents_;
 170
 171   base::ScopedTempDir temp_dir_;
 172
 173   base::MessageLoop message_loop_;
 174 };
 175
 176 TEST_F(ZipReaderTest, Open_ValidZipFile) {
 177   ZipReader reader;
 178   ASSERT_TRUE(reader.Open(test_zip_file_));
 179 }
 180
 181 TEST_F(ZipReaderTest, Open_ValidZipPlatformFile) {
 182   ZipReader reader;
 183   FileWrapper zip_fd_wrapper(test_zip_file_, FileWrapper::READ_ONLY);
 184   ASSERT_TRUE(reader.OpenFromPlatformFile(zip_fd_wrapper.platform_file()));
 185 }
 186
 187 TEST_F(ZipReaderTest, Open_NonExistentFile) {
 188   ZipReader reader;
 189   ASSERT_FALSE(reader.Open(test_data_dir_.AppendASCII("nonexistent.zip")));
 190 }
 191
 192 TEST_F(ZipReaderTest, Open_ExistentButNonZipFile) {
 193   ZipReader reader;
 194   ASSERT_FALSE(reader.Open(test_data_dir_.AppendASCII("create_test_zip.sh")));
 195 }
 196
 197 // Iterate through the contents in the test zip file, and compare that the
 198 // contents collected from the zip reader matches the expected contents.
 199 TEST_F(ZipReaderTest, Iteration) {
 200   std::set<base::FilePath> actual_contents;
 201   ZipReader reader;
 202   ASSERT_TRUE(reader.Open(test_zip_file_));
 203   while (reader.HasMore()) {
 204     ASSERT_TRUE(reader.OpenCurrentEntryInZip());
 205     actual_contents.insert(reader.current_entry_info()->file_path());
 206     ASSERT_TRUE(reader.AdvanceToNextEntry());
 207   }
 208   EXPECT_FALSE(reader.AdvanceToNextEntry());  // Shouldn't go further.
 209   EXPECT_EQ(test_zip_contents_.size(),
 210             static_cast<size_t>(reader.num_entries()));
 211   EXPECT_EQ(test_zip_contents_.size(), actual_contents.size());
 212   EXPECT_EQ(test_zip_contents_, actual_contents);
 213 }
 214
 215 // Open the test zip file from a file descriptor, iterate through its contents,
 216 // and compare that they match the expected contents.
 217 TEST_F(ZipReaderTest, PlatformFileIteration) {
 218   std::set<base::FilePath> actual_contents;
 219   ZipReader reader;
 220   FileWrapper zip_fd_wrapper(test_zip_file_, FileWrapper::READ_ONLY);
 221   ASSERT_TRUE(reader.OpenFromPlatformFile(zip_fd_wrapper.platform_file()));
 222   while (reader.HasMore()) {
 223     ASSERT_TRUE(reader.OpenCurrentEntryInZip());
 224     actual_contents.insert(reader.current_entry_info()->file_path());
 225     ASSERT_TRUE(reader.AdvanceToNextEntry());
 226   }
 227   EXPECT_FALSE(reader.AdvanceToNextEntry());  // Shouldn't go further.
 228   EXPECT_EQ(test_zip_contents_.size(),
 229             static_cast<size_t>(reader.num_entries()));
 230   EXPECT_EQ(test_zip_contents_.size(), actual_contents.size());
 231   EXPECT_EQ(test_zip_contents_, actual_contents);
 232 }
 233
 234 TEST_F(ZipReaderTest, LocateAndOpenEntry_ValidFile) {
 235   std::set<base::FilePath> actual_contents;
 236   ZipReader reader;
 237   ASSERT_TRUE(reader.Open(test_zip_file_));
 238   base::FilePath target_path(FILE_PATH_LITERAL("foo/bar/quux.txt"));
 239   ASSERT_TRUE(reader.LocateAndOpenEntry(target_path));
 240   EXPECT_EQ(target_path, reader.current_entry_info()->file_path());
 241 }
 242
 243 TEST_F(ZipReaderTest, LocateAndOpenEntry_NonExistentFile) {
 244   std::set<base::FilePath> actual_contents;
 245   ZipReader reader;
 246   ASSERT_TRUE(reader.Open(test_zip_file_));
 247   base::FilePath target_path(FILE_PATH_LITERAL("nonexistent.txt"));
 248   ASSERT_FALSE(reader.LocateAndOpenEntry(target_path));
 249   EXPECT_EQ(NULL, reader.current_entry_info());
 250 }
 251
 252 TEST_F(ZipReaderTest, ExtractCurrentEntryToFilePath_RegularFile) {
 253   ZipReader reader;
 254   ASSERT_TRUE(reader.Open(test_zip_file_));
 255   base::FilePath target_path(FILE_PATH_LITERAL("foo/bar/quux.txt"));
 256   ASSERT_TRUE(reader.LocateAndOpenEntry(target_path));
 257   ASSERT_TRUE(reader.ExtractCurrentEntryToFilePath(
 258       test_dir_.AppendASCII("quux.txt")));
 259   // Read the output file ans compute the MD5.
 260   std::string output;
 261   ASSERT_TRUE(base::ReadFileToString(test_dir_.AppendASCII("quux.txt"),
 262                                      &output));
 263   const std::string md5 = base::MD5String(output);
 264   EXPECT_EQ(kQuuxExpectedMD5, md5);
 265   // quux.txt should be larger than kZipBufSize so that we can exercise
 266   // the loop in ExtractCurrentEntry().
 267   EXPECT_LT(static_cast<size_t>(internal::kZipBufSize), output.size());
 268 }
 269
 270 TEST_F(ZipReaderTest, PlatformFileExtractCurrentEntryToFilePath_RegularFile) {
 271   ZipReader reader;
 272   FileWrapper zip_fd_wrapper(test_zip_file_, FileWrapper::READ_ONLY);
 273   ASSERT_TRUE(reader.OpenFromPlatformFile(zip_fd_wrapper.platform_file()));
 274   base::FilePath target_path(FILE_PATH_LITERAL("foo/bar/quux.txt"));
 275   ASSERT_TRUE(reader.LocateAndOpenEntry(target_path));
 276   ASSERT_TRUE(reader.ExtractCurrentEntryToFilePath(
 277       test_dir_.AppendASCII("quux.txt")));
 278   // Read the output file and compute the MD5.
 279   std::string output;
 280   ASSERT_TRUE(base::ReadFileToString(test_dir_.AppendASCII("quux.txt"),
 281                                      &output));
 282   const std::string md5 = base::MD5String(output);
 283   EXPECT_EQ(kQuuxExpectedMD5, md5);
 284   // quux.txt should be larger than kZipBufSize so that we can exercise
 285   // the loop in ExtractCurrentEntry().
 286   EXPECT_LT(static_cast<size_t>(internal::kZipBufSize), output.size());
 287 }
 288
 289 #if defined(OS_POSIX)
 290 TEST_F(ZipReaderTest, PlatformFileExtractCurrentEntryToFd_RegularFile) {
 291   ZipReader reader;
 292   FileWrapper zip_fd_wrapper(test_zip_file_, FileWrapper::READ_ONLY);
 293   ASSERT_TRUE(reader.OpenFromPlatformFile(zip_fd_wrapper.platform_file()));
 294   base::FilePath target_path(FILE_PATH_LITERAL("foo/bar/quux.txt"));
 295   base::FilePath out_path = test_dir_.AppendASCII("quux.txt");
 296   FileWrapper out_fd_w(out_path, FileWrapper::READ_WRITE);
 297   ASSERT_TRUE(reader.LocateAndOpenEntry(target_path));
 298   ASSERT_TRUE(reader.ExtractCurrentEntryToFd(out_fd_w.platform_file()));
 299   // Read the output file and compute the MD5.
 300   std::string output;
 301   ASSERT_TRUE(base::ReadFileToString(test_dir_.AppendASCII("quux.txt"),
 302                                      &output));
 303   const std::string md5 = base::MD5String(output);
 304   EXPECT_EQ(kQuuxExpectedMD5, md5);
 305   // quux.txt should be larger than kZipBufSize so that we can exercise
 306   // the loop in ExtractCurrentEntry().
 307   EXPECT_LT(static_cast<size_t>(internal::kZipBufSize), output.size());
 308 }
 309 #endif
 310
 311 TEST_F(ZipReaderTest, ExtractCurrentEntryToFilePath_Directory) {
 312   ZipReader reader;
 313   ASSERT_TRUE(reader.Open(test_zip_file_));
 314   base::FilePath target_path(FILE_PATH_LITERAL("foo/"));
 315   ASSERT_TRUE(reader.LocateAndOpenEntry(target_path));
 316   ASSERT_TRUE(reader.ExtractCurrentEntryToFilePath(
 317       test_dir_.AppendASCII("foo")));
 318   // The directory should be created.
 319   ASSERT_TRUE(base::DirectoryExists(test_dir_.AppendASCII("foo")));
 320 }
 321
 322 TEST_F(ZipReaderTest, ExtractCurrentEntryIntoDirectory_RegularFile) {
 323   ZipReader reader;
 324   ASSERT_TRUE(reader.Open(test_zip_file_));
 325   base::FilePath target_path(FILE_PATH_LITERAL("foo/bar/quux.txt"));
 326   ASSERT_TRUE(reader.LocateAndOpenEntry(target_path));
 327   ASSERT_TRUE(reader.ExtractCurrentEntryIntoDirectory(test_dir_));
 328   // Sub directories should be created.
 329   ASSERT_TRUE(base::DirectoryExists(test_dir_.AppendASCII("foo/bar")));
 330   // And the file should be created.
 331   std::string output;
 332   ASSERT_TRUE(base::ReadFileToString(
 333       test_dir_.AppendASCII("foo/bar/quux.txt"), &output));
 334   const std::string md5 = base::MD5String(output);
 335   EXPECT_EQ(kQuuxExpectedMD5, md5);
 336 }
 337
 338 TEST_F(ZipReaderTest, current_entry_info_RegularFile) {
 339   ZipReader reader;
 340   ASSERT_TRUE(reader.Open(test_zip_file_));
 341   base::FilePath target_path(FILE_PATH_LITERAL("foo/bar/quux.txt"));
 342   ASSERT_TRUE(reader.LocateAndOpenEntry(target_path));
 343   ZipReader::EntryInfo* current_entry_info = reader.current_entry_info();
 344
 345   EXPECT_EQ(target_path, current_entry_info->file_path());
 346   EXPECT_EQ(13527, current_entry_info->original_size());
 347
 348   // The expected time stamp: 2009-05-29 06:22:20
 349   base::Time::Exploded exploded = {};  // Zero-clear.
 350   current_entry_info->last_modified().LocalExplode(&exploded);
 351   EXPECT_EQ(2009, exploded.year);
 352   EXPECT_EQ(5, exploded.month);
 353   EXPECT_EQ(29, exploded.day_of_month);
 354   EXPECT_EQ(6, exploded.hour);
 355   EXPECT_EQ(22, exploded.minute);
 356   EXPECT_EQ(20, exploded.second);
 357   EXPECT_EQ(0, exploded.millisecond);
 358
 359   EXPECT_FALSE(current_entry_info->is_unsafe());
 360   EXPECT_FALSE(current_entry_info->is_directory());
 361 }
 362
 363 TEST_F(ZipReaderTest, current_entry_info_DotDotFile) {
 364   ZipReader reader;
 365   ASSERT_TRUE(reader.Open(evil_zip_file_));
 366   base::FilePath target_path(FILE_PATH_LITERAL(
 367       "../levilevilevilevilevilevilevilevilevilevilevilevil"));
 368   ASSERT_TRUE(reader.LocateAndOpenEntry(target_path));
 369   ZipReader::EntryInfo* current_entry_info = reader.current_entry_info();
 370   EXPECT_EQ(target_path, current_entry_info->file_path());
 371
 372   // This file is unsafe because of ".." in the file name.
 373   EXPECT_TRUE(current_entry_info->is_unsafe());
 374   EXPECT_FALSE(current_entry_info->is_directory());
 375 }
 376
 377 TEST_F(ZipReaderTest, current_entry_info_InvalidUTF8File) {
 378   ZipReader reader;
 379   ASSERT_TRUE(reader.Open(evil_via_invalid_utf8_zip_file_));
 380   // The evil file is the 2nd file in the zip file.
 381   // We cannot locate by the file name ".\x80.\\evil.txt",
 382   // as FilePath may internally convert the string.
 383   ASSERT_TRUE(reader.AdvanceToNextEntry());
 384   ASSERT_TRUE(reader.OpenCurrentEntryInZip());
 385   ZipReader::EntryInfo* current_entry_info = reader.current_entry_info();
 386
 387   // This file is unsafe because of invalid UTF-8 in the file name.
 388   EXPECT_TRUE(current_entry_info->is_unsafe());
 389   EXPECT_FALSE(current_entry_info->is_directory());
 390 }
 391
 392 TEST_F(ZipReaderTest, current_entry_info_AbsoluteFile) {
 393   ZipReader reader;
 394   ASSERT_TRUE(reader.Open(evil_via_absolute_file_name_zip_file_));
 395   base::FilePath target_path(FILE_PATH_LITERAL("/evil.txt"));
 396   ASSERT_TRUE(reader.LocateAndOpenEntry(target_path));
 397   ZipReader::EntryInfo* current_entry_info = reader.current_entry_info();
 398   EXPECT_EQ(target_path, current_entry_info->file_path());
 399
 400   // This file is unsafe because of the absolute file name.
 401   EXPECT_TRUE(current_entry_info->is_unsafe());
 402   EXPECT_FALSE(current_entry_info->is_directory());
 403 }
 404
 405 TEST_F(ZipReaderTest, current_entry_info_Directory) {
 406   ZipReader reader;
 407   ASSERT_TRUE(reader.Open(test_zip_file_));
 408   base::FilePath target_path(FILE_PATH_LITERAL("foo/bar/"));
 409   ASSERT_TRUE(reader.LocateAndOpenEntry(target_path));
 410   ZipReader::EntryInfo* current_entry_info = reader.current_entry_info();
 411
 412   EXPECT_EQ(base::FilePath(FILE_PATH_LITERAL("foo/bar/")),
 413             current_entry_info->file_path());
 414   // The directory size should be zero.
 415   EXPECT_EQ(0, current_entry_info->original_size());
 416
 417   // The expected time stamp: 2009-05-31 15:49:52
 418   base::Time::Exploded exploded = {};  // Zero-clear.
 419   current_entry_info->last_modified().LocalExplode(&exploded);
 420   EXPECT_EQ(2009, exploded.year);
 421   EXPECT_EQ(5, exploded.month);
 422   EXPECT_EQ(31, exploded.day_of_month);
 423   EXPECT_EQ(15, exploded.hour);
 424   EXPECT_EQ(49, exploded.minute);
 425   EXPECT_EQ(52, exploded.second);
 426   EXPECT_EQ(0, exploded.millisecond);
 427
 428   EXPECT_FALSE(current_entry_info->is_unsafe());
 429   EXPECT_TRUE(current_entry_info->is_directory());
 430 }
 431
 432 // Verifies that the ZipReader class can extract a file from a zip archive
 433 // stored in memory. This test opens a zip archive in a std::string object,
 434 // extracts its content, and verifies the content is the same as the expected
 435 // text.
 436 TEST_F(ZipReaderTest, OpenFromString) {
 437   // A zip archive consisting of one file "test.txt", which is a 16-byte text
 438   // file that contains "This is a test.\n".
 439   const char kTestData[] =
 440       "\x50\x4b\x03\x04\x0a\x00\x00\x00\x00\x00\xa4\x66\x24\x41\x13\xe8"
 441       "\xcb\x27\x10\x00\x00\x00\x10\x00\x00\x00\x08\x00\x1c\x00\x74\x65"
 442       "\x73\x74\x2e\x74\x78\x74\x55\x54\x09\x00\x03\x34\x89\x45\x50\x34"
 443       "\x89\x45\x50\x75\x78\x0b\x00\x01\x04\x8e\xf0\x00\x00\x04\x88\x13"
 444       "\x00\x00\x54\x68\x69\x73\x20\x69\x73\x20\x61\x20\x74\x65\x73\x74"
 445       "\x2e\x0a\x50\x4b\x01\x02\x1e\x03\x0a\x00\x00\x00\x00\x00\xa4\x66"
 446       "\x24\x41\x13\xe8\xcb\x27\x10\x00\x00\x00\x10\x00\x00\x00\x08\x00"
 447       "\x18\x00\x00\x00\x00\x00\x01\x00\x00\x00\xa4\x81\x00\x00\x00\x00"
 448       "\x74\x65\x73\x74\x2e\x74\x78\x74\x55\x54\x05\x00\x03\x34\x89\x45"
 449       "\x50\x75\x78\x0b\x00\x01\x04\x8e\xf0\x00\x00\x04\x88\x13\x00\x00"
 450       "\x50\x4b\x05\x06\x00\x00\x00\x00\x01\x00\x01\x00\x4e\x00\x00\x00"
 451       "\x52\x00\x00\x00\x00\x00";
 452   std::string data(kTestData, arraysize(kTestData));
 453   ZipReader reader;
 454   ASSERT_TRUE(reader.OpenFromString(data));
 455   base::FilePath target_path(FILE_PATH_LITERAL("test.txt"));
 456   ASSERT_TRUE(reader.LocateAndOpenEntry(target_path));
 457   ASSERT_TRUE(reader.ExtractCurrentEntryToFilePath(
 458       test_dir_.AppendASCII("test.txt")));
 459
 460   std::string actual;
 461   ASSERT_TRUE(base::ReadFileToString(
 462       test_dir_.AppendASCII("test.txt"), &actual));
 463   EXPECT_EQ(std::string("This is a test.\n"), actual);
 464 }
 465
 466 // Verifies that the asynchronous extraction to a file works.
 467 TEST_F(ZipReaderTest, ExtractToFileAsync_RegularFile) {
 468   MockUnzipListener listener;
 469
 470   ZipReader reader;
 471   base::FilePath target_file = test_dir_.AppendASCII("quux.txt");
 472   base::FilePath target_path(FILE_PATH_LITERAL("foo/bar/quux.txt"));
 473   ASSERT_TRUE(reader.Open(test_zip_file_));
 474   ASSERT_TRUE(reader.LocateAndOpenEntry(target_path));
 475   reader.ExtractCurrentEntryToFilePathAsync(
 476       target_file,
 477       base::Bind(&MockUnzipListener::OnUnzipSuccess,
 478                  listener.AsWeakPtr()),
 479       base::Bind(&MockUnzipListener::OnUnzipFailure,
 480                  listener.AsWeakPtr()),
 481       base::Bind(&MockUnzipListener::OnUnzipProgress,
 482                  listener.AsWeakPtr()));
 483
 484   EXPECT_EQ(0, listener.success_calls());
 485   EXPECT_EQ(0, listener.failure_calls());
 486   EXPECT_EQ(0, listener.progress_calls());
 487
 488   base::RunLoop().RunUntilIdle();
 489
 490   EXPECT_EQ(1, listener.success_calls());
 491   EXPECT_EQ(0, listener.failure_calls());
 492   EXPECT_LE(1, listener.progress_calls());
 493
 494   std::string output;
 495   ASSERT_TRUE(base::ReadFileToString(test_dir_.AppendASCII("quux.txt"),
 496                                      &output));
 497   const std::string md5 = base::MD5String(output);
 498   EXPECT_EQ(kQuuxExpectedMD5, md5);
 499
 500   int64 file_size = 0;
 501   ASSERT_TRUE(base::GetFileSize(target_file, &file_size));
 502
 503   EXPECT_EQ(file_size, listener.current_progress());
 504 }
 505
 506 // Verifies that the asynchronous extraction to a file works.
 507 TEST_F(ZipReaderTest, ExtractToFileAsync_Directory) {
 508   MockUnzipListener listener;
 509
 510   ZipReader reader;
 511   base::FilePath target_file = test_dir_.AppendASCII("foo");
 512   base::FilePath target_path(FILE_PATH_LITERAL("foo/"));
 513   ASSERT_TRUE(reader.Open(test_zip_file_));
 514   ASSERT_TRUE(reader.LocateAndOpenEntry(target_path));
 515   reader.ExtractCurrentEntryToFilePathAsync(
 516       target_file,
 517       base::Bind(&MockUnzipListener::OnUnzipSuccess,
 518                  listener.AsWeakPtr()),
 519       base::Bind(&MockUnzipListener::OnUnzipFailure,
 520                  listener.AsWeakPtr()),
 521       base::Bind(&MockUnzipListener::OnUnzipProgress,
 522                  listener.AsWeakPtr()));
 523
 524   EXPECT_EQ(0, listener.success_calls());
 525   EXPECT_EQ(0, listener.failure_calls());
 526   EXPECT_EQ(0, listener.progress_calls());
 527
 528   base::RunLoop().RunUntilIdle();
 529
 530   EXPECT_EQ(1, listener.success_calls());
 531   EXPECT_EQ(0, listener.failure_calls());
 532   EXPECT_GE(0, listener.progress_calls());
 533
 534   ASSERT_TRUE(base::DirectoryExists(target_file));
 535 }
 536
 537 }  // namespace zip