ppapi/tests/test_file_io.h

   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 #ifndef PAPPI_TESTS_TEST_FILE_IO_H_
   6 #define PAPPI_TESTS_TEST_FILE_IO_H_
   7
   8 #include <string>
   9
  10 #include "ppapi/tests/test_case.h"
  11
  12 namespace pp {
  13 class FileIO;
  14 class FileSystem;
  15 }  // namespace pp
  16
  17 class TestFileIO : public TestCase {
  18  public:
  19   explicit TestFileIO(TestingInstance* instance) : TestCase(instance) {}
  20
  21   // TestCase implementation.
  22   virtual bool Init();
  23   virtual void RunTests(const std::string& filter);
  24
  25  private:
  26   enum OpenExpectation {
  27     CREATE_IF_DOESNT_EXIST = 1 << 0,
  28     DONT_CREATE_IF_DOESNT_EXIST = 1 << 1,
  29     OPEN_IF_EXISTS = 1 << 2,
  30     DONT_OPEN_IF_EXISTS = 1 << 3,
  31     TRUNCATE_IF_EXISTS = 1 << 4,
  32     DONT_TRUNCATE_IF_EXISTS = 1 << 5,
  33     // All values above are defined in pairs: <some_expectation> and
  34     // DONT_<some_expectation>.
  35     END_OF_OPEN_EXPECATION_PAIRS = DONT_TRUNCATE_IF_EXISTS,
  36
  37     INVALID_FLAG_COMBINATION = 1 << 6,
  38   };
  39
  40   std::string TestOpen();
  41   std::string TestOpenDirectory();
  42   std::string TestReadWriteSetLength();
  43   std::string TestReadToArrayWriteSetLength();
  44   std::string TestTouchQuery();
  45   std::string TestAbortCalls();
  46   std::string TestParallelReads();
  47   std::string TestParallelWrites();
  48   std::string TestNotAllowMixedReadWrite();
  49   std::string TestWillWriteWillSetLength();
  50   std::string TestRequestOSFileHandle();
  51   std::string TestRequestOSFileHandleWithOpenExclusive();
  52   std::string TestMmap();
  53
  54   // Helper method used by TestOpen().
  55   // |expectations| is a combination of OpenExpectation values. The followings
  56   // are considered as valid input:
  57   // 1) INVALID_FLAG_COMBINATION
  58   // 2) (DONT_)?CREATE_IF_DOESNT_EXIST | (DONT_)?OPEN_IF_EXISTS |
  59   //    (DONT_)?TRUNCATE_IF_EXISTS
  60   std::string MatchOpenExpectations(pp::FileSystem* file_system,
  61                                     size_t open_flags,
  62                                     size_t expectations);
  63 };
  64
  65 #endif  // PAPPI_TESTS_TEST_FILE_IO_H_