printing/printing_test.h

   1 // Copyright 2006-2008 The Chromium Authors
   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 PRINTING_PRINTING_TEST_H_
   6 #define PRINTING_PRINTING_TEST_H_
   7
   8 #include <windows.h>
   9 #include <winspool.h>
  10
  11 #include <string>
  12
  13 #include "printing/backend/spooler_win.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() { return GetDefaultPrinter().empty(); }
  22   static std::wstring GetDefaultPrinter() {
  23     wchar_t printer_name[MAX_PATH];
  24     DWORD size = std::size(printer_name);
  25     BOOL result = ::GetDefaultPrinter(printer_name, &size);
  26     if (result == 0) {
  27       if (printing::internal::IsSpoolerRunning() !=
  28           printing::internal::SpoolerServiceStatus::kRunning) {
  29         printf("The Windows print spooler service is not running!\n");
  30         return std::wstring();
  31       }
  32       if (GetLastError() == ERROR_FILE_NOT_FOUND) {
  33         printf("There is no printer installed, printing can't be tested!\n");
  34         return std::wstring();
  35       }
  36       printf("INTERNAL PRINTER ERROR!\n");
  37       return std::wstring();
  38     }
  39     return printer_name;
  40   }
  41 };
  42
  43 #endif  // PRINTING_PRINTING_TEST_H_