joinNode.modifyObject(string1Handle, modifyPreviousTuples, contextPassNothing, workingMemory); assertLength(0, sink1.getAsserted()); joinNode.modifyObject(string1Handle, modifyPreviousTuples, contextPass2And3, workingMemory); assertLength(0, sink1.getAsserted()); joinNode.modifyObject(string1Handle, modifyPreviousTuples, contextPass2And3, workingMemory); assertLength(0, sink1.getAsserted()); joinNode.modifyObject(string1Handle, modifyPreviousTuples, contextPass2And3, workingMemory); assertLength(1, sink1.getAsserted()); joinNode.modifyObject(string1Handle, modifyPreviousTuples, contextPassAll, workingMemory); assertLength(2, sink1.getAsserted());