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/win/windows_version.h"
   9 #include "sandbox/win/tests/common/controller.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11
  12 namespace sandbox {
  13
  14 SBOX_TESTS_COMMAND int HandleInheritanceTests_PrintToStdout(int argc,
  15                                                             wchar_t** argv) {
  16   printf("Example output to stdout\n");
  17   return SBOX_TEST_SUCCEEDED;
  18 }
  19
  20 TEST(HandleInheritanceTests, TestStdoutInheritance) {
  21   wchar_t temp_directory[MAX_PATH];
  22   wchar_t temp_file_name[MAX_PATH];
  23   ASSERT_NE(::GetTempPath(MAX_PATH, temp_directory), 0u);
  24   ASSERT_NE(::GetTempFileName(temp_directory, L"test", 0, temp_file_name), 0u);
  25
  26   SECURITY_ATTRIBUTES attrs = {};
  27   attrs.nLength = sizeof(attrs);
  28   attrs.lpSecurityDescriptor = NULL;
  29   attrs.bInheritHandle = TRUE;
  30   HANDLE file_handle = CreateFile(
  31       temp_file_name, GENERIC_WRITE,
  32       FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE,
  33       &attrs, OPEN_EXISTING, 0, NULL);
  34   EXPECT_NE(file_handle, INVALID_HANDLE_VALUE);
  35
  36   TestRunner runner;
  37   EXPECT_EQ(SBOX_ALL_OK, runner.GetPolicy()->SetStdoutHandle(file_handle));
  38   int result = runner.RunTest(L"HandleInheritanceTests_PrintToStdout");
  39   EXPECT_EQ(SBOX_TEST_SUCCEEDED, result);
  40   EXPECT_TRUE(::CloseHandle(file_handle));
  41
  42   std::string data;
  43   EXPECT_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     EXPECT_EQ("Example output to stdout\r\n", data);
  47   } else {
  48     EXPECT_EQ("", data);
  49   }
  50
  51   EXPECT_TRUE(::DeleteFile(temp_file_name));
  52 }
  53
  54 }