class PHPUnit_Util_DeprecatedFeature_Logger

class PHPUnit_Util_DeprecatedFeature_Logger implements PHPUnit_Framework_TestListener {

  /**
   * @var PHPUnit_Framework_TestCase
   */
  protected static $currentTest = NULL;

  /**
   * This is the publically accessible API for notifying the system that a
   * deprecated feature has been used.
   *
   * If it is run via a TestRunner and the test extends
   * PHPUnit_Framework_TestCase, then this will inject the result into the
   * test runner for display, if not, it will throw the notice to STDERR.
   *
   * @param string $message
   * @param int|bool $backtraceDepth
   */
  public static function log($message, $backtraceDepth = 2) {
    if ($backtraceDepth !== FALSE) {
      $trace = debug_backtrace(FALSE);
      if (is_int($backtraceDepth)) {
        $traceItem = $trace[$backtraceDepth];
      }
      if (!isset($traceItem['file'])) {
        $reflectionClass = new ReflectionClass($traceItem['class']);
        $traceItem['file'] = $reflectionClass
          ->getFileName();
      }
      if (!isset($traceItem['line']) && isset($traceItem['class']) && isset($traceItem['function'])) {
        if (!isset($reflectionClass)) {
          $reflectionClass = new ReflectionClass($traceItem['class']);
        }
        $method = $reflectionClass
          ->getMethod($traceItem['function']);
        $traceItem['line'] = '(between ' . $method
          ->getStartLine() . ' and ' . $method
          ->getEndLine() . ')';
      }
    }
    $deprecatedFeature = new PHPUnit_Util_DeprecatedFeature($message, $traceItem);
    if (self::$currentTest instanceof PHPUnit_Framework_TestCase) {
      $result = self::$currentTest
        ->getTestResultObject();
      $result
        ->addDeprecatedFeature($deprecatedFeature);
    }
    else {
      file_put_contents('php://stderr', $deprecatedFeature);
    }
  }

  /**
   * An error occurred.
   *
   * @param  PHPUnit_Framework_Test $test
   * @param  Exception              $e
   * @param  float                  $time
   */
  public function addError(PHPUnit_Framework_Test $test, Exception $e, $time) {
  }

  /**
   * A failure occurred.
   *
   * @param  PHPUnit_Framework_Test                 $test
   * @param  PHPUnit_Framework_AssertionFailedError $e
   * @param  float                                  $time
   */
  public function addFailure(PHPUnit_Framework_Test $test, PHPUnit_Framework_AssertionFailedError $e, $time) {
  }

  /**
   * Incomplete test.
   *
   * @param  PHPUnit_Framework_Test $test
   * @param  Exception              $e
   * @param  float                  $time
   */
  public function addIncompleteTest(PHPUnit_Framework_Test $test, Exception $e, $time) {
  }

  /**
   * Skipped test.
   *
   * @param  PHPUnit_Framework_Test $test
   * @param  Exception              $e
   * @param  float                  $time
   * @since  Method available since Release 3.0.0
   */
  public function addSkippedTest(PHPUnit_Framework_Test $test, Exception $e, $time) {
  }

  /**
   * A test suite started.
   *
   * @param  PHPUnit_Framework_TestSuite $suite
   * @since  Method available since Release 2.2.0
   */
  public function startTestSuite(PHPUnit_Framework_TestSuite $suite) {
  }

  /**
   * A test suite ended.
   *
   * @param  PHPUnit_Framework_TestSuite $suite
   * @since  Method available since Release 2.2.0
   */
  public function endTestSuite(PHPUnit_Framework_TestSuite $suite) {
  }

  /**
   * A test started.
   *
   * @param  PHPUnit_Framework_Test $test
   */
  public function startTest(PHPUnit_Framework_Test $test) {
    self::$currentTest = $test;
  }

  /**
   * A test ended.
   *
   * @param  PHPUnit_Framework_Test $test
   * @param  float                  $time
   */
  public function endTest(PHPUnit_Framework_Test $test, $time) {
    self::$currentTest = NULL;
  }

}