printing/printing_test.h

   1 // Copyright (c) 2006-2008 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 CHROME_BROWSER_PRINTING_PRINTING_TEST_H__
   6 #define CHROME_BROWSER_PRINTING_PRINTING_TEST_H__
   7
   8 #include <windows.h>
   9 #include <winspool.h>
  10
  11 #include <string>
  12
  13 #include "base/basictypes.h"
  14
  15 // Disable the whole test case when executing on a computer that has no printer
  16 // installed.
  17 // Note: Parent should be testing::Test or InProcessBrowserTest.
  18 template<typename Parent>
  19 class PrintingTest : public Parent {
  20  public:
  21   static bool IsTestCaseDisabled() {
  22     return GetDefaultPrinter().empty();
  23   }
  24   static std::wstring GetDefaultPrinter() {
  25     wchar_t printer_name[MAX_PATH];
  26     DWORD size = arraysize(printer_name);
  27     BOOL result = ::GetDefaultPrinter(printer_name, &size);
  28     if (result == 0) {
  29       if (GetLastError() == ERROR_FILE_NOT_FOUND) {
  30         printf("There is no printer installed, printing can't be tested!\n");
  31         return std::wstring();
  32       }
  33       printf("INTERNAL PRINTER ERROR!\n");
  34       return std::wstring();
  35     }
  36     return printer_name;
  37   }
  38 };
  39
  40 #endif  // CHROME_BROWSER_PRINTING_PRINTING_TEST_H__