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      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/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 }
     55