[JGIT Test Case] This (incomplete) test case demo the index wrong CRC bug.

["Daniel Cheng (aka SDiZ)" <j16sdiz+freenet@gmail.com>]

The PackIndex always give 0 for CRC.
I know this patch is ugly, but I am not familiar with the code to make a good test code.

Signed-off-by: Daniel Cheng (aka SDiZ) <j16sdiz+freenet@gmail.com>
---
 .../tst/org/spearce/jgit/lib/PackWriterTest.java   |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/org.spearce.jgit.test/tst/org/spearce/jgit/lib/PackWriterTest.java b/org.spearce.jgit.test/tst/org/spearce/jgit/lib/PackWriterTest.java
index f7139fc..0279c6b 100644
--- a/org.spearce.jgit.test/tst/org/spearce/jgit/lib/PackWriterTest.java
+++ b/org.spearce.jgit.test/tst/org/spearce/jgit/lib/PackWriterTest.java
@@ -40,6 +40,7 @@
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
+import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.ArrayList;
@@ -354,6 +355,19 @@ public void testWritePack4SizeThinVsNoThin() throws Exception {
 		assertTrue(sizePack4 > sizePack4Thin);
 	}
 
+	public void testWriteIndex() throws Exception {
+		testWritePack4();
+
+		File idxFile = File.createTempFile("temp", ".idx");
+		FileOutputStream ios = new FileOutputStream(idxFile);
+		writer.writeIndex(ios);
+		ios.close();
+
+		PackIndex idx = PackIndex.open(idxFile);
+		assertFalse(0 == idx.findCRC32(ObjectId
+				.fromString("82c6b885ff600be425b4ea96dee75dca255b69e7")));
+	}
+
 	// TODO: testWritePackDeltasCycle()
 	// TODO: testWritePackDeltasDepth()
 
-- 
1.6.2