From ab1a3446dc5ac8088f81bb480d407445cf6d649f Mon Sep 17 00:00:00 2001
From: Linyuan Zhao <linyuanz@student.unimelb.edu.au>
Date: Wed, 12 Sep 2018 20:09:26 +1000
Subject: [PATCH] Update Machine.java
---
mutants/mutant-5/swen90006/machine/Machine.java | 3 +++
1 file changed, 3 insertions(+)
diff --git a/mutants/mutant-5/swen90006/machine/Machine.java b/mutants/mutant-5/swen90006/machine/Machine.java
index 9bf5731..4680a6a 100644
--- a/mutants/mutant-5/swen90006/machine/Machine.java
+++ b/mutants/mutant-5/swen90006/machine/Machine.java
@@ -235,6 +235,9 @@ public class Machine
int rs2 = parseReg(toks[3]);
do_div(rd,rs1,rs2);
} else if (toks[0].equals(INSTRUCTION_RETURN)){
+ if (toks.length != 2){
+ throw new InvalidInstructionException();
+ }
int rs = parseReg(toks[1]);
count++;
return regs[rs];
--
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