From 66d955ad711d4a1248157056a1d3d643af19fd3f Mon Sep 17 00:00:00 2001
From: Satoshi Kataoka <satok@google.com>
Date: Wed, 3 Oct 2012 17:15:47 +0900
Subject: [PATCH] Throw illegal argument exception in
 BinaryDictionary::editDistance

Bug: 7276803
Change-Id: Icd9bdec0a04179a29d00336819d205627f77b71a
---
 java/src/com/android/inputmethod/latin/BinaryDictionary.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionary.java b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
index e084cb306..7184f1d8a 100644
--- a/java/src/com/android/inputmethod/latin/BinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
@@ -187,6 +187,9 @@ public final class BinaryDictionary extends Dictionary {
     }
 
     public static int editDistance(String before, String after) {
+        if (before == null || after == null) {
+            throw new IllegalArgumentException();
+        }
         return editDistanceNative(before.toCharArray(), after.toCharArray());
     }