/// <exception cref="System.Exception"/> public FSEditLogOp Answer(InvocationOnMock invocation) { FSEditLogOp op = (FSEditLogOp)invocation.CallRealMethod(); if (this._enclosing.throwExceptionOnRead && TestFailureToReadEdits.TestDir3.Equals (NameNodeAdapter.GetMkdirOpPath(op))) { throw new IOException("failed to read op creating " + TestFailureToReadEdits.TestDir3 ); } else { return(op); } }