[JGIT PATCH 1/6] Add set to IntList

["Shawn O. Pearce" <spearce@spearce.org>]

Some applications may wish to modify an int list.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
---
 .../tst/org/spearce/jgit/util/IntListTest.java     |   21 ++++++++++++++++++++
 .../src/org/spearce/jgit/util/IntList.java         |   17 ++++++++++++++++
 2 files changed, 38 insertions(+), 0 deletions(-)

diff --git a/org.spearce.jgit.test/tst/org/spearce/jgit/util/IntListTest.java b/org.spearce.jgit.test/tst/org/spearce/jgit/util/IntListTest.java
index c470d55..ce0d7af 100644
--- a/org.spearce.jgit.test/tst/org/spearce/jgit/util/IntListTest.java
+++ b/org.spearce.jgit.test/tst/org/spearce/jgit/util/IntListTest.java
@@ -144,6 +144,27 @@ public void testClear() {
 		}
 	}
 
+	public void testSet() {
+		final IntList i = new IntList();
+		i.add(1);
+		assertEquals(1, i.size());
+		assertEquals(1, i.get(0));
+		
+		i.set(0, 5);
+		assertEquals(5, i.get(0));
+		
+		try {
+			i.set(5, 5);
+			fail("accepted set of 5 beyond end of list");
+		} catch (ArrayIndexOutOfBoundsException e){
+			assertTrue(true);
+		}
+
+		i.set(1, 2);
+		assertEquals(2, i.size());
+		assertEquals(2, i.get(1));
+	}
+
 	public void testToString() {
 		final IntList i = new IntList();
 		i.add(1);
diff --git a/org.spearce.jgit/src/org/spearce/jgit/util/IntList.java b/org.spearce.jgit/src/org/spearce/jgit/util/IntList.java
index 0a84793..9d86a5c 100644
--- a/org.spearce.jgit/src/org/spearce/jgit/util/IntList.java
+++ b/org.spearce.jgit/src/org/spearce/jgit/util/IntList.java
@@ -94,6 +94,23 @@ public void add(final int n) {
 	}
 
 	/**
+	 * Assign an entry in the list.
+	 * 
+	 * @param index
+	 *            index to set, must be in the range [0, {@link #size()}).
+	 * @param n
+	 *            value to store at the position.
+	 */
+	public void set(final int index, final int n) {
+		if (count < index)
+			throw new ArrayIndexOutOfBoundsException(index);
+		else if (count == index)
+			add(n);
+		else
+			entries[index] = n;
+	}
+	
+	/**
 	 * Pad the list with entries.
 	 *
 	 * @param toIndex
-- 
1.6.3.rc3.212.g8c698