fix IllegalOutOfBoundsException
StringUtils.toCodePointArray() had thrown IllegalOutOfBoundsException if
passed an empty string. change to just return an empty int[].
Bug: 6188932
Change-Id: Ic41c628c0d407f49fc98cd48cb7ea13d8d5bdd77
diff --git a/java/src/com/android/inputmethod/latin/StringUtils.java b/java/src/com/android/inputmethod/latin/StringUtils.java
index a43b905..6e7d985 100644
--- a/java/src/com/android/inputmethod/latin/StringUtils.java
+++ b/java/src/com/android/inputmethod/latin/StringUtils.java
@@ -184,6 +184,9 @@
final char[] characters = string.toCharArray();
final int length = characters.length;
final int[] codePoints = new int[Character.codePointCount(characters, 0, length)];
+ if (length <= 0) {
+ return new int[0];
+ }
int codePoint = Character.codePointAt(characters, 0);
int dsti = 0;
for (int srci = Character.charCount(codePoint);