sandbox/win/src/handle_inheritance_test.cc

   1 // Copyright (c) 2012 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 <stdio.h>
   6
   7 #include "base/files/file_util.h"
   8 #include "base/files/scoped_temp_dir.h"
   9 #include "base/win/scoped_handle.h"
  10 #include "base/win/windows_version.h"
  11 #include "sandbox/win/tests/common/controller.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13
  14 namespace sandbox {
  15
  16 SBOX_TESTS_COMMAND int HandleInheritanceTests_PrintToStdout(int argc,
  17                                                             wchar_t** argv) {
  18   printf("Example output to stdout\n");
  19   return SBOX_TEST_SUCCEEDED;
  20 }
  21
  22 TEST(HandleInheritanceTests, TestStdoutInheritance) {
  23   base::ScopedTempDir temp_directory;
  24   base::FilePath temp_file_name;
  25   ASSERT_TRUE(temp_directory.CreateUniqueTempDir());
  26   ASSERT_TRUE(CreateTemporaryFileInDir(temp_directory.path(), &temp_file_name));
  27
  28   SECURITY_ATTRIBUTES attrs = {};
  29   attrs.nLength = sizeof(attrs);
  30   attrs.bInheritHandle = TRUE;
  31   base::win::ScopedHandle tmp_handle(
  32       CreateFile(temp_file_name.value().c_str(), GENERIC_WRITE,
  33                  FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE,
  34                  &attrs, OPEN_EXISTING, 0, NULL));
  35   ASSERT_TRUE(tmp_handle.IsValid());
  36
  37   TestRunner runner;
  38   ASSERT_EQ(SBOX_ALL_OK, runner.GetPolicy()->SetStdoutHandle(tmp_handle.Get()));
  39   int result = runner.RunTest(L"HandleInheritanceTests_PrintToStdout");
  40   ASSERT_EQ(SBOX_TEST_SUCCEEDED, result);
  41
  42   std::string data;
  43   ASSERT_TRUE(base::ReadFileToString(base::FilePath(temp_file_name), &data));
  44   // Redirection uses a feature that was added in Windows Vista.
  45   if (base::win::GetVersion() >= base::win::VERSION_VISTA) {
  46     ASSERT_EQ("Example output to stdout\r\n", data);
  47   } else {
  48     ASSERT_EQ("", data);
  49   }
  50 }
  51
  52 }