ExceptionBuilder.java 文件源码

private static Throwable makeThrowable(Random r, Throwable cause) {
  int exType = r.nextInt(4);
  switch(exType) {
  case 0: return new IllegalArgumentException("an illegal argument was passed", cause);
  case 1: return new Exception("this is a test", cause);
  case 2: return new JMXProviderException("jmx provider exception error occured", cause);
  case 3: return new OutOfMemoryError("ran out of memory");
  }
  return null;
}