Revert 61462 - Add truncate and cancel for FileWriter; write and more tests w...

webkit/fileapi/file_system_operation_unittest.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/fileapi/file_system_operation.h"
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/scoped_ptr.h"
 #include "base/scoped_temp_dir.h"
@@ skipping 34 matching lines @@
   virtual void DidReadDirectory(
       const std::vector<base::file_util_proxy::Entry>& entries,
       bool /* has_more */) {
     entries_ = entries;
   }
 
   virtual void DidOpenFileSystem(const std::string&, const FilePath&) {
     NOTREACHED();
   }
 
-  virtual void DidWrite(int64 bytes, bool complete) {
-    NOTREACHED();
-  }
-
   // Helpers for testing.
   int status() const { return status_; }
   int request_id() const { return request_id_; }
   const base::PlatformFileInfo& info() const { return info_; }
   const std::vector<base::file_util_proxy::Entry>& entries() const {
     return entries_;
   }
 
  private:
   int status_;
@@ skipping 481 matching lines @@
   ScopedTempDir empty_dir;
   ASSERT_TRUE(empty_dir.CreateUniqueTempDir());
   EXPECT_TRUE(file_util::DirectoryExists(empty_dir.path()));
 
   operation()->Remove(empty_dir.path());
   MessageLoop::current()->RunAllPending();
   EXPECT_EQ(kFileOperationSucceeded, mock_dispatcher_->status());
   EXPECT_FALSE(file_util::DirectoryExists(empty_dir.path()));
   EXPECT_EQ(request_id_, mock_dispatcher_->request_id());
 }
-
-TEST_F(FileSystemOperationTest, TestTruncate) {
-  ScopedTempDir dir;
-  ASSERT_TRUE(dir.CreateUniqueTempDir());
-  FilePath file;
-  file_util::CreateTemporaryFileInDir(dir.path(), &file);
-
-  char test_data[] = "test data";
-  EXPECT_EQ(sizeof(test_data),
-            file_util::WriteFile(file, test_data, sizeof(test_data)));
-
-  // Check that its length is the size of the data written.
-  operation()->GetMetadata(file);
-  MessageLoop::current()->RunAllPending();
-  EXPECT_EQ(kFileOperationSucceeded, mock_dispatcher_->status());
-  EXPECT_FALSE(mock_dispatcher_->info().is_directory);
-  EXPECT_EQ(sizeof(test_data), mock_dispatcher_->info().size);
-  EXPECT_EQ(request_id_, mock_dispatcher_->request_id());
-
-  // Extend the file by truncating it.
-  int length = 17;
-  operation()->Truncate(file, length);
-  MessageLoop::current()->RunAllPending();
-  EXPECT_EQ(kFileOperationSucceeded, mock_dispatcher_->status());
-  EXPECT_EQ(request_id_, mock_dispatcher_->request_id());
-
-  // Check that its length is now 17 and that it's all zeroes after the test
-  // data.
-  base::PlatformFileInfo info;
-  EXPECT_TRUE(file_util::GetFileInfo(file, &info));
-  EXPECT_EQ(length, info.size);
-  char data[100];
-  EXPECT_EQ(length, file_util::ReadFile(file, data, length));
-  for (int i = 0; i < length; ++i) {
-    if (i < sizeof(test_data))
-      EXPECT_EQ(test_data[i], data[i]);
-    else
-      EXPECT_EQ(0, data[i]);
-  }
-
-  // Shorten the file by truncating it.
-  length = 3;
-  operation()->Truncate(file, length);
-  MessageLoop::current()->RunAllPending();
-  EXPECT_EQ(kFileOperationSucceeded, mock_dispatcher_->status());
-  EXPECT_EQ(request_id_, mock_dispatcher_->request_id());
-
-  // Check that its length is now 3 and that it contains only bits of test data.
-  EXPECT_TRUE(file_util::GetFileInfo(file, &info));
-  EXPECT_EQ(length, info.size);
-  EXPECT_EQ(length, file_util::ReadFile(file, data, length));
-  for (int i = 0; i < length; ++i)
-    EXPECT_EQ(test_data[i], data[i]);
-}