From b8d894b4f312e84c4522a237194e90928bece3d8 Mon Sep 17 00:00:00 2001
From: Xujia Zhu <xujiaz@student.unimelb.edu.au>
Date: Tue, 4 Sep 2018 23:01:24 +1000
Subject: [PATCH] Update mutants/mutant-3/swen90006/machine/Machine.java,
mutants/mutant-4/swen90006/machine/Machine.java,
mutants/mutant-5/swen90006/machine/Machine.java,
mutants/mutant-2/swen90006/machine/Machine.java files
---
mutants/mutant-2/swen90006/machine/Machine.java | 2 +-
mutants/mutant-3/swen90006/machine/Machine.java | 4 ++--
mutants/mutant-4/swen90006/machine/Machine.java | 2 +-
mutants/mutant-5/swen90006/machine/Machine.java | 2 +-
4 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/mutants/mutant-2/swen90006/machine/Machine.java b/mutants/mutant-2/swen90006/machine/Machine.java
index 9bf5731..0939a8c 100644
--- a/mutants/mutant-2/swen90006/machine/Machine.java
+++ b/mutants/mutant-2/swen90006/machine/Machine.java
@@ -211,7 +211,7 @@ public class Machine
int rs2 = parseReg(toks[3]);
do_add(rd,rs1,rs2);
} else if (toks[0].equals(INSTRUCTION_SUBTRACT)){
- if (toks.length != 4){
+ if (toks.length = 4){
throw new InvalidInstructionException();
}
int rd = parseReg(toks[1]);
diff --git a/mutants/mutant-3/swen90006/machine/Machine.java b/mutants/mutant-3/swen90006/machine/Machine.java
index 9bf5731..ea9d43b 100644
--- a/mutants/mutant-3/swen90006/machine/Machine.java
+++ b/mutants/mutant-3/swen90006/machine/Machine.java
@@ -91,9 +91,9 @@ public class Machine
}
private void do_store(int a, int offs, int b) {
- if (regs[a] + offs > MAX_ADDR){
+ if (regs[a] + offs < MAX_ADDR){
/* no op */
- }else if(regs[a] + offs < 0){
+ }else if(regs[a] + offs > 0){
/* no op */
}else{
memory[regs[a] + offs] = regs[b];
diff --git a/mutants/mutant-4/swen90006/machine/Machine.java b/mutants/mutant-4/swen90006/machine/Machine.java
index 9bf5731..f3d8622 100644
--- a/mutants/mutant-4/swen90006/machine/Machine.java
+++ b/mutants/mutant-4/swen90006/machine/Machine.java
@@ -58,7 +58,7 @@ public class Machine
private void do_add(int dest, int src1, int src2)
{
- regs[dest] = regs[src1] + regs[src2];
+ regs[dest] = regs[src1] = regs[src2];
}
private void do_sub(int dest, int src1, int src2)
diff --git a/mutants/mutant-5/swen90006/machine/Machine.java b/mutants/mutant-5/swen90006/machine/Machine.java
index 9bf5731..e0c1ba7 100644
--- a/mutants/mutant-5/swen90006/machine/Machine.java
+++ b/mutants/mutant-5/swen90006/machine/Machine.java
@@ -266,7 +266,7 @@ public class Machine
throw new InvalidInstructionException();
}
int offs = parseOffset(toks[1]);
- pc = pc + offs;
+ pc = pc = offs;
count++;
continue; /* avoid default increment of pc below */
} else if (toks[0].equals(INSTRUCTION_JZ)){
--
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