xpcom/tests/TestHarness.h
author L. David Baron <dbaron@dbaron.org>
Tue, 10 Feb 2009 16:56:32 -0800
changeset 24906 af294f0d2c6ae8932198e83f37fd3348ac38592d
parent 24891 561dc7d5c74669bbe542cab6c5df4f735d4218ac
child 26481 dea4ff139073f8b643438e3a3f0be679e956011e
permissions -rw-r--r--
Fix the pass() function to use the standard syntax too. (Bug 477512) r=jwalden

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Jeff Walden <jwalden+code@mit.edu>.
 * Portions created by the Initial Developer are Copyright (C) 2007
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
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 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

/*
 * Test harness for XPCOM objects, providing a scoped XPCOM initializer,
 * nsCOMPtr, nsRefPtr, do_CreateInstance, do_GetService, ns(Auto|C|)String,
 * and stdio.h/stdlib.h.
 */

#ifndef TestHarness_h__
#define TestHarness_h__

#include "nsComponentManagerUtils.h"
#include "nsServiceManagerUtils.h"
#include "nsCOMPtr.h"
#include "nsAutoPtr.h"
#include "nsStringGlue.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>

/**
 * Prints the given failure message and arguments using printf, prepending
 * "TEST-UNEXPECTED-FAIL " for the benefit of the test harness and
 * appending "\n" to eliminate having to type it at each call site.
 */
void fail(const char* msg, ...)
{
  va_list ap;

  printf("TEST-UNEXPECTED-FAIL | ");

  va_start(ap, msg);
  vprintf(msg, ap);
  va_end(ap);

  putchar('\n');
}

/**
 * Prints the given string prepending "TEST-PASS | " for the benefit of
 * the test harness and with "\n" at the end, to be used at the end of a
 * successful test function.
 */
void passed(const char* test)
{
  printf("TEST-PASS | %s\n", test);
}


class ScopedXPCOM
{
  public:
    ScopedXPCOM(const char* testName,
                nsIDirectoryServiceProvider *dirSvcProvider = NULL)
    {
      mTestName = testName;
      printf("Running %s tests...\n", mTestName);

      nsresult rv = NS_InitXPCOM2(&mServMgr, NULL, dirSvcProvider);
      if (NS_FAILED(rv))
      {
        fail("NS_InitXPCOM2 returned failure code 0x%x", rv);
        mServMgr = NULL;
      }
    }

    ~ScopedXPCOM()
    {
      if (mServMgr)
      {
        NS_RELEASE(mServMgr);
        nsresult rv = NS_ShutdownXPCOM(NULL);
        if (NS_FAILED(rv))
        {
          fail("XPCOM shutdown failed with code 0x%x", rv);
          exit(1);
        }
      }

      printf("Finished running %s tests.\n", mTestName);
    }

    PRBool failed()
    {
      return mServMgr == NULL;
    }

  private:
    const char* mTestName;
    nsIServiceManager* mServMgr;
};

#endif  // TestHarness_h__