joinNode.initInferredMask(); joinNode.modifyObject(string1Handle, modifyPreviousTuples, contextPass2And3, workingMemory); assertLength(0, sink1.getAsserted()); joinNode.initInferredMask(); joinNode.modifyObject(string1Handle, modifyPreviousTuples, contextPass2And3, workingMemory); assertLength(0, sink1.getAsserted()); joinNode.initInferredMask(); joinNode.modifyObject(string1Handle, modifyPreviousTuples, contextPass2And3, workingMemory); assertLength(1, sink1.getAsserted());