Merge "Add ObjectId getByte for random access"

1 files changed, 15 insertions, 1 deletions

diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/T0001_ObjectId.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ObjectIdTest.java
index 03176cb8fd..2eb1e6b9e1 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/T0001_ObjectId.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ObjectIdTest.java
@@ -47,7 +47,7 @@ package org.eclipse.jgit.lib;
 
 import junit.framework.TestCase;
 
-public class T0001_ObjectId extends TestCase {
+public class ObjectIdTest extends TestCase {
 	public void test001_toString() {
 		final String x = "def4c620bc3713bb1bb26b808ec9312548e73946";
 		final ObjectId oid = ObjectId.fromString(x);
@@ -108,4 +108,18 @@ public class T0001_ObjectId extends TestCase {
 		final ObjectId oid = ObjectId.fromString(x);
 		assertEquals(x.toLowerCase(), oid.name());
 	}
+
+	public void testGetByte() {
+		byte[] raw = new byte[20];
+		for (int i = 0; i < 20; i++)
+			raw[i] = (byte) (0xa0 + i);
+		ObjectId id = ObjectId.fromRaw(raw);
+
+		assertEquals(raw[0] & 0xff, id.getFirstByte());
+		assertEquals(raw[0] & 0xff, id.getByte(0));
+		assertEquals(raw[1] & 0xff, id.getByte(1));
+
+		for (int i = 2; i < 20; i++)
+			assertEquals("index " + i, raw[i] & 0xff, id.getByte(i));
+	}
 }