Cloning a bunch of stuff from the native_client repository at r6528

ppapi/native_client/tests/ppapi_browser/ppb_file_io/common.h

Index: ppapi/native_client/tests/ppapi_browser/ppb_file_io/common.h
===================================================================
--- ppapi/native_client/tests/ppapi_browser/ppb_file_io/common.h	(revision 0)
+++ ppapi/native_client/tests/ppapi_browser/ppb_file_io/common.h	(revision 0)
@@ -0,0 +1,61 @@
+// Copyright (c) 2011 The Native Client Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+#ifndef NATIVE_CLIENT_TESTS_PPAPI_BROWSER_PPB_FILE_IO_COMMON_H_
+#define NATIVE_CLIENT_TESTS_PPAPI_BROWSER_PPB_FILE_IO_COMMON_H_
+
+#include <deque>
+
+#include "native_client/src/third_party/ppapi/c/pp_file_info.h"
+#include "native_client/tests/ppapi_browser/ppb_file_io/test_sequence_element.h"
+#include "native_client/tests/ppapi_test_lib/test_interface.h"
+
+namespace common {
+
+extern const char* kTestData;
+
+// Open file for subsequent tests.
+class OpenFileForTest : public TestSequenceElement {
+ public:
+  OpenFileForTest()
+      : TestSequenceElement("OpenFileForTest") {}
+
+ private:
+  virtual BoundPPAPIFunc GetCompletionCallbackInitiatingPPAPIFunction(
+      TestCallbackData* callback_data);
+};
+
+// Initializes the member data of given file info to either known values, (e.g.
+// file system type), or dummy values (e.g. last modified time).
+void InitFileInfo(PP_FileSystemType system_type, PP_FileInfo* file_info);
+
+// TODO(sanga): Move this to file_io_tester.h
+// FileIOTester is the test runner.  Used to accrue a sequence of test elements
+// in a specific order and run the sequence.
+class FileIOTester {
+ public:
+  explicit FileIOTester(const PP_FileInfo& file_info)
+      : file_info_(file_info) {}
+  ~FileIOTester() {}
+
+  void AddSequenceElement(TestSequenceElement* element);  // sink
+  void Run();
+
+ private:
+  // Callbacks for setting up before executing the test sequence.
+  static void FlushFileForSetupCallback(void* data, int32_t result);
+  static void OpenFileForSetupCallback(void* data, int32_t result);
+  static void OpenFileSystemForSetupCallback(void* data, int32_t result);
+  static void StartTestSequence(TestCallbackData* callback_data);
+  static void TouchFileForSetupCallback(void* data, int32_t result);
+  static void WriteFileForSetupCallback(void* data, int32_t result);
+
+  const PP_FileInfo file_info_;
+  std::deque<TestSequenceElement*> test_sequence_;
+
+  DISALLOW_COPY_AND_ASSIGN(FileIOTester);
+};
+
+}  // namespace common
+
+#endif  // NATIVE_CLIENT_TESTS_PPAPI_BROWSER_PPB_FILE_IO_COMMON_H_