commit cde4c529034e182a982fd842252ec410d213c34c
author MarkDacek <mark.dacek@richmond.edu> Sat Mar 04 21:23:00 2017 -0500
committer MarkDacek <mark.dacek@richmond.edu> Sat Mar 04 21:23:00 2017 -0500
tree c9bb246701a232f55198f76bda5d54fffcc9e57c
parent 6597c196521af500feef7a02610727eafa7ec1dc

changed CharSequence lastIndexOf to handle supplementary characters

src/main/java/org/apache/commons/lang3/CharSequenceUtils.java

diff --git a/src/main/java/org/apache/commons/lang3/CharSequenceUtils.java b/src/main/java/org/apache/commons/lang3/CharSequenceUtils.java
index a5112d9..007449e 100644
--- a/src/main/java/org/apache/commons/lang3/CharSequenceUtils.java
+++ b/src/main/java/org/apache/commons/lang3/CharSequenceUtils.java
@@ -124,9 +124,22 @@
         if (start >= sz) {
             start = sz - 1;
         }
-        for (int i = start; i >= 0; --i) {
-            if (cs.charAt(i) == searchChar) {
-                return i;
+        if(searchChar < Character.MIN_SUPPLEMENTARY_CODE_POINT){
+            for (int i = start; i >= 0; --i) {
+                if (cs.charAt(i) == searchChar) {
+                    return i;
+                }
+            }
+        }
+        
+        if(searchChar <= Character.MAX_CODE_POINT){
+            char[] chars = Character.toChars(searchChar);
+            for(int i = start; i>0; --i){
+            	if(cs.charAt(i) == chars[1]){
+            		if(cs.charAt(i-1) == chars[0]){
+            			return i;
+            		}
+            	}
             }
         }
         return NOT_FOUND;