From 5f1b08615030155bd8aa70082ac7292c59103fd7 Mon Sep 17 00:00:00 2001
From: Mike Keesey <michael.keesey@readytalk.com>
Date: Tue, 3 Jul 2012 21:28:59 -0600
Subject: [PATCH] Fixed an off-by-one error when deciding if we should grow
 BitSets.

---
 classpath/java/util/BitSet.java | 6 +++---
 test/BitsetTest.java            | 4 ++++
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/classpath/java/util/BitSet.java b/classpath/java/util/BitSet.java
index 2b6ada1203..e45fbee355 100644
--- a/classpath/java/util/BitSet.java
+++ b/classpath/java/util/BitSet.java
@@ -105,9 +105,9 @@ public class BitSet implements Serializable, Cloneable {
     }
   }
 
-  private void enlarge(int newSize) {
-    if (bits == null || bits.length < newSize) {
-      long[] newBits = new long[newSize + 1];
+  private void enlarge(int newPartition) {
+    if (bits == null || bits.length < (newPartition + 1)) {
+      long[] newBits = new long[newPartition + 1];
       if (bits != null) {
         System.arraycopy(bits, 0, newBits, 0, bits.length);
       }
diff --git a/test/BitsetTest.java b/test/BitsetTest.java
index 6ffc28fb67..b28ab939c2 100644
--- a/test/BitsetTest.java
+++ b/test/BitsetTest.java
@@ -48,6 +48,10 @@ public class BitsetTest {
     assertEquals("after 100, 102 is empty", 102, bits.nextClearBit(100));
     
     testFlip();
+
+    BitSet expandingSet = new BitSet();
+    //should force us to have 3 partitions.
+    expandingSet.set(128);
   }
   
   private static void testFlip() {