commit 4865712f12d79f994ef0c2dbc88216f742456809
author Sumnima Joshi <sumnima@google.com> Tue Jul 18 11:17:49 2017 -0700
committer Sumnima Joshi <sumnima@google.com> Tue Jul 18 13:56:43 2017 -0700
tree 58f7bde1a4c3420b2b876fe8e48a8f82c49cc5ca
parent 64a102dde8c5daad83b991710decb418ce43aac5

Changed isInvokeCallInst() to getDifferentInvokeCallOpcode().

Test: Ran dexfuzz until the mutation showed up and found the diff using
the bytecode differences.

Change-Id: I4ffddedcbc53e48866b64d4c37c1e25ef982ade6

tools/dexfuzz/src/dexfuzz/program/mutators/InvokeChanger.java

diff --git a/tools/dexfuzz/src/dexfuzz/program/mutators/InvokeChanger.java b/tools/dexfuzz/src/dexfuzz/program/mutators/InvokeChanger.java
index 3488503..8750fc6 100644
--- a/tools/dexfuzz/src/dexfuzz/program/mutators/InvokeChanger.java
+++ b/tools/dexfuzz/src/dexfuzz/program/mutators/InvokeChanger.java
@@ -136,7 +136,7 @@
 
     String oldInsnString = invokeInsn.toString();
 
-    Opcode newOpcode = isInvokeCalIInst(invokeInsn);
+    Opcode newOpcode = getDifferentInvokeCallOpcode(invokeInsn);
 
     invokeInsn.insn.info = Instruction.getOpcodeInfo(newOpcode);
 
@@ -148,7 +148,7 @@
     invokeCallInsns = null;
   }
 
-  private Opcode isInvokeCalIInst(MInsn mInsn) {
+  private Opcode getDifferentInvokeCallOpcode(MInsn mInsn) {
     Opcode opcode = mInsn.insn.info.opcode;
     if (isSimpleInvokeInst(opcode)) {
       int index = opcode.ordinal() - Opcode.INVOKE_VIRTUAL.ordinal();
@@ -159,7 +159,7 @@
       int length = INVOKE_RANGE_LIST.length;
       return INVOKE_RANGE_LIST[(index + 1 + rng.nextInt(length - 1)) % length];
     }
-      return opcode;
+    return opcode;
   }
 
   private boolean isSimpleInvokeInst(Opcode opcode){