Revert 252466 "In order to support writing on windows we need to..."

trunk/src/chrome/browser/extensions/api/image_writer_private/destroy_partitions_operation_unittest.cc

 // Copyright 2014 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 "base/run_loop.h"
 #include "chrome/browser/extensions/api/image_writer_private/destroy_partitions_operation.h"
 #include "chrome/browser/extensions/api/image_writer_private/error_messages.h"
 #include "chrome/browser/extensions/api/image_writer_private/test_utils.h"
 
 namespace extensions {
 namespace image_writer {
-namespace {
 
 using testing::_;
 using testing::AnyNumber;
 using testing::AtLeast;
 
+namespace {
+
 class ImageWriterDestroyPartitionsOperationTest
-    : public ImageWriterUnitTestBase {};
+    : public ImageWriterUnitTestBase {
+};
 
-TEST_F(ImageWriterDestroyPartitionsOperationTest, EndToEnd) {
+// Tests that the DestroyPartitionsOperation can successfully zero the first
+// kPartitionTableSize bytes of an image.
+TEST_F(ImageWriterDestroyPartitionsOperationTest, DestroyPartitionsEndToEnd) {
   MockOperationManager manager;
-  scoped_refptr<FakeImageWriterClient> client = FakeImageWriterClient::Create();
+  base::RunLoop loop;
 
   scoped_refptr<DestroyPartitionsOperation> operation(
       new DestroyPartitionsOperation(manager.AsWeakPtr(),
                                      kDummyExtensionId,
                                      test_device_path_.AsUTF8Unsafe()));
 
-#if !defined(OS_CHROMEOS)
-  operation->SetUtilityClientForTesting(client);
-#endif
-
-  EXPECT_CALL(
-      manager,
-      OnProgress(kDummyExtensionId, image_writer_api::STAGE_VERIFYWRITE, _))
-      .Times(AnyNumber());
+#if defined(OS_LINUX) || defined(OS_CHROMEOS)
   EXPECT_CALL(manager, OnProgress(kDummyExtensionId,
                                   image_writer_api::STAGE_WRITE,
                                   _)).Times(AnyNumber());
   EXPECT_CALL(manager,
               OnProgress(kDummyExtensionId, image_writer_api::STAGE_WRITE, 0))
       .Times(AtLeast(1));
   EXPECT_CALL(manager,
               OnProgress(kDummyExtensionId, image_writer_api::STAGE_WRITE, 100))
       .Times(AtLeast(1));
   EXPECT_CALL(manager, OnComplete(kDummyExtensionId)).Times(1);
   EXPECT_CALL(manager, OnError(kDummyExtensionId, _, _, _)).Times(0);
+#else
+  EXPECT_CALL(manager, OnProgress(kDummyExtensionId, _, _)).Times(0);
+  EXPECT_CALL(manager, OnComplete(kDummyExtensionId)).Times(0);
+  EXPECT_CALL(manager, OnError(kDummyExtensionId,
+                               _,
+                               _,
+                               error::kUnsupportedOperation)).Times(1);
+#endif
 
   operation->Start();
 
-  base::RunLoop().RunUntilIdle();
+  loop.RunUntilIdle();
 
-#if !defined(OS_CHROMEOS)
-  client->Progress(0);
-  client->Progress(50);
-  client->Progress(100);
-  client->Success();
-
-  base::RunLoop().RunUntilIdle();
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+  scoped_ptr<char[]> image_data(new char[kPartitionTableSize]);
+  scoped_ptr<char[]> zeroes(new char[kPartitionTableSize]);
+  memset(zeroes.get(), 0, kPartitionTableSize);
+  ASSERT_EQ(kPartitionTableSize, base::ReadFile(test_device_path_,
+                                                image_data.get(),
+                                                kPartitionTableSize));
+  EXPECT_EQ(0, memcmp(image_data.get(), zeroes.get(), kPartitionTableSize));
 #endif
 }
 
 } // namespace
 } // namespace image_writer
 } // namespace extensions