[EGIT PATCH 09/20] CRC32 PackIndex tests

[Marek Zawirski <marek.zawirski@xxxxxxxxx>]

Signed-off-by: Marek Zawirski <marek.zawirski@xxxxxxxxx>
---
 .../tst/org/spearce/jgit/lib/PackIndexTest.java    |   10 ++++++
 .../tst/org/spearce/jgit/lib/PackIndexV1Test.java  |   19 ++++++++++++
 .../tst/org/spearce/jgit/lib/PackIndexV2Test.java  |   30 ++++++++++++++++++++
 3 files changed, 59 insertions(+), 0 deletions(-)

diff --git a/org.spearce.jgit.test/tst/org/spearce/jgit/lib/PackIndexTest.java b/org.spearce.jgit.test/tst/org/spearce/jgit/lib/PackIndexTest.java
index c682153..fd7b646 100644
--- a/org.spearce.jgit.test/tst/org/spearce/jgit/lib/PackIndexTest.java
+++ b/org.spearce.jgit.test/tst/org/spearce/jgit/lib/PackIndexTest.java
@@ -41,6 +41,7 @@ import java.io.File;
 import java.util.Iterator;
 import java.util.NoSuchElementException;
 
+import org.spearce.jgit.errors.MissingObjectException;
 import org.spearce.jgit.lib.PackIndex.MutableEntry;
 
 public abstract class PackIndexTest extends RepositoryTestCase {
@@ -70,6 +71,15 @@ public abstract class PackIndexTest extends RepositoryTestCase {
 	public abstract File getFileForPackdf2982f28();
 
 	/**
+	 * Verify CRC32 support.
+	 * 
+	 * @throws MissingObjectException
+	 * @throws UnsupportedOperationException
+	 */
+	public abstract void testCRC32() throws MissingObjectException,
+			UnsupportedOperationException;
+
+	/**
 	 * Test contracts of Iterator methods and this implementation remove()
 	 * limitations.
 	 */
diff --git a/org.spearce.jgit.test/tst/org/spearce/jgit/lib/PackIndexV1Test.java b/org.spearce.jgit.test/tst/org/spearce/jgit/lib/PackIndexV1Test.java
index dda3ef4..bb9e83e 100644
--- a/org.spearce.jgit.test/tst/org/spearce/jgit/lib/PackIndexV1Test.java
+++ b/org.spearce.jgit.test/tst/org/spearce/jgit/lib/PackIndexV1Test.java
@@ -39,6 +39,8 @@ package org.spearce.jgit.lib;
 
 import java.io.File;
 
+import org.spearce.jgit.errors.MissingObjectException;
+
 public class PackIndexV1Test extends PackIndexTest {
 	@Override
 	public File getFileForPack34be9032() {
@@ -51,4 +53,21 @@ public class PackIndexV1Test extends PackIndexTest {
 		return new File(new File("tst"),
 				"pack-df2982f284bbabb6bdb59ee3fcc6eb0983e20371.idx");
 	}
+
+	/**
+	 * Verify CRC32 - V1 should not index anything.
+	 * 
+	 * @throws MissingObjectException
+	 */
+	@Override
+	public void testCRC32() throws MissingObjectException {
+		assertFalse(smallIdx.hasCRC32Support());
+		try {
+			smallIdx.findCRC32(ObjectId
+					.fromString("4b825dc642cb6eb9a060e54bf8d69288fbee4904"));
+			fail("index V1 shouldn't support CRC");
+		} catch (UnsupportedOperationException x) {
+			// expected
+		}
+	}
 }
diff --git a/org.spearce.jgit.test/tst/org/spearce/jgit/lib/PackIndexV2Test.java b/org.spearce.jgit.test/tst/org/spearce/jgit/lib/PackIndexV2Test.java
index 8267e48..b21a7e9 100644
--- a/org.spearce.jgit.test/tst/org/spearce/jgit/lib/PackIndexV2Test.java
+++ b/org.spearce.jgit.test/tst/org/spearce/jgit/lib/PackIndexV2Test.java
@@ -39,6 +39,8 @@ package org.spearce.jgit.lib;
 
 import java.io.File;
 
+import org.spearce.jgit.errors.MissingObjectException;
+
 public class PackIndexV2Test extends PackIndexTest {
 	@Override
 	public File getFileForPack34be9032() {
@@ -51,4 +53,32 @@ public class PackIndexV2Test extends PackIndexTest {
 		return new File(new File("tst"),
 				"pack-df2982f284bbabb6bdb59ee3fcc6eb0983e20371.idxV2");
 	}
+
+	/**
+	 * Verify CRC32 indexing.
+	 * 
+	 * @throws UnsupportedOperationException
+	 * @throws MissingObjectException
+	 */
+	@Override
+	public void testCRC32() throws MissingObjectException,
+			UnsupportedOperationException {
+		assertTrue(smallIdx.hasCRC32Support());
+		assertEquals(0x00000000C2B64258l, smallIdx.findCRC32(ObjectId
+				.fromString("4b825dc642cb6eb9a060e54bf8d69288fbee4904")));
+		assertEquals(0x0000000072AD57C2l, smallIdx.findCRC32(ObjectId
+				.fromString("540a36d136cf413e4b064c2b0e0a4db60f77feab")));
+		assertEquals(0x00000000FF10A479l, smallIdx.findCRC32(ObjectId
+				.fromString("5b6e7c66c276e7610d4a73c70ec1a1f7c1003259")));
+		assertEquals(0x0000000034B27DDCl, smallIdx.findCRC32(ObjectId
+				.fromString("6ff87c4664981e4397625791c8ea3bbb5f2279a3")));
+		assertEquals(0x000000004743F1E4l, smallIdx.findCRC32(ObjectId
+				.fromString("82c6b885ff600be425b4ea96dee75dca255b69e7")));
+		assertEquals(0x00000000640B358Bl, smallIdx.findCRC32(ObjectId
+				.fromString("902d5476fa249b7abc9d84c611577a81381f0327")));
+		assertEquals(0x000000002A17CB5El, smallIdx.findCRC32(ObjectId
+				.fromString("aabf2ffaec9b497f0950352b3e582d73035c2035")));
+		assertEquals(0x000000000B3B5BA6l, smallIdx.findCRC32(ObjectId
+				.fromString("c59759f143fb1fe21c197981df75a7ee00290799")));
+	}
 }
-- 
1.5.5.1

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