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PackFileTest: Open ObjectInserter.Formatter in try-with-resource 

Change-Id: I9c56b5efdb9c13b929073a786092a707fca21281
Signed-off-by: David Pursehouse <david.pursehouse@sonymobile.com>
stable-4.2
David Pursehouse 9 years ago
parent
bebd30f364
commit
5c84145fd0
1 changed files with 112 additions and 109 deletions
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  1. 221
      org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/PackFileTest.java

221
org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/PackFileTest.java
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@ -191,119 +191,122 @@ public class PackFileTest extends LocalDiskRepositoryTestCase {
@Test
public void testDelta_SmallObjectChain() throws Exception {
ObjectInserter.Formatter fmt = new ObjectInserter.Formatter();
byte[] data0 = new byte[512];
Arrays.fill(data0, (byte) 0xf3);
ObjectId id0 = fmt.idFor(Constants.OBJ_BLOB, data0);
TemporaryBuffer.Heap pack = new TemporaryBuffer.Heap(64 * 1024);
packHeader(pack, 4);
objectHeader(pack, Constants.OBJ_BLOB, data0.length);
deflate(pack, data0);
byte[] data1 = clone(0x01, data0);
byte[] delta1 = delta(data0, data1);
ObjectId id1 = fmt.idFor(Constants.OBJ_BLOB, data1);
objectHeader(pack, Constants.OBJ_REF_DELTA, delta1.length);
id0.copyRawTo(pack);
deflate(pack, delta1);
byte[] data2 = clone(0x02, data1);
byte[] delta2 = delta(data1, data2);
ObjectId id2 = fmt.idFor(Constants.OBJ_BLOB, data2);
objectHeader(pack, Constants.OBJ_REF_DELTA, delta2.length);
id1.copyRawTo(pack);
deflate(pack, delta2);
byte[] data3 = clone(0x03, data2);
byte[] delta3 = delta(data2, data3);
ObjectId id3 = fmt.idFor(Constants.OBJ_BLOB, data3);
objectHeader(pack, Constants.OBJ_REF_DELTA, delta3.length);
id2.copyRawTo(pack);
deflate(pack, delta3);
digest(pack);
PackParser ip = index(pack.toByteArray());
ip.setAllowThin(true);
ip.parse(NullProgressMonitor.INSTANCE);
assertTrue("has blob", wc.has(id3));
ObjectLoader ol = wc.open(id3);
assertNotNull("created loader", ol);
assertEquals(Constants.OBJ_BLOB, ol.getType());
assertEquals(data3.length, ol.getSize());
assertFalse("is large", ol.isLarge());
assertNotNull(ol.getCachedBytes());
assertArrayEquals(data3, ol.getCachedBytes());
ObjectStream in = ol.openStream();
assertNotNull("have stream", in);
assertEquals(Constants.OBJ_BLOB, in.getType());
assertEquals(data3.length, in.getSize());
byte[] act = new byte[data3.length];
IO.readFully(in, act, 0, data3.length);
assertTrue("same content", Arrays.equals(act, data3));
assertEquals("stream at EOF", -1, in.read());
in.close();
try (ObjectInserter.Formatter fmt = new ObjectInserter.Formatter()) {
byte[] data0 = new byte[512];
Arrays.fill(data0, (byte) 0xf3);
ObjectId id0 = fmt.idFor(Constants.OBJ_BLOB, data0);
TemporaryBuffer.Heap pack = new TemporaryBuffer.Heap(64 * 1024);
packHeader(pack, 4);
objectHeader(pack, Constants.OBJ_BLOB, data0.length);
deflate(pack, data0);
byte[] data1 = clone(0x01, data0);
byte[] delta1 = delta(data0, data1);
ObjectId id1 = fmt.idFor(Constants.OBJ_BLOB, data1);
objectHeader(pack, Constants.OBJ_REF_DELTA, delta1.length);
id0.copyRawTo(pack);
deflate(pack, delta1);
byte[] data2 = clone(0x02, data1);
byte[] delta2 = delta(data1, data2);
ObjectId id2 = fmt.idFor(Constants.OBJ_BLOB, data2);
objectHeader(pack, Constants.OBJ_REF_DELTA, delta2.length);
id1.copyRawTo(pack);
deflate(pack, delta2);
byte[] data3 = clone(0x03, data2);
byte[] delta3 = delta(data2, data3);
ObjectId id3 = fmt.idFor(Constants.OBJ_BLOB, data3);
objectHeader(pack, Constants.OBJ_REF_DELTA, delta3.length);
id2.copyRawTo(pack);
deflate(pack, delta3);
digest(pack);
PackParser ip = index(pack.toByteArray());
ip.setAllowThin(true);
ip.parse(NullProgressMonitor.INSTANCE);
assertTrue("has blob", wc.has(id3));
ObjectLoader ol = wc.open(id3);
assertNotNull("created loader", ol);
assertEquals(Constants.OBJ_BLOB, ol.getType());
assertEquals(data3.length, ol.getSize());
assertFalse("is large", ol.isLarge());
assertNotNull(ol.getCachedBytes());
assertArrayEquals(data3, ol.getCachedBytes());
ObjectStream in = ol.openStream();
assertNotNull("have stream", in);
assertEquals(Constants.OBJ_BLOB, in.getType());
assertEquals(data3.length, in.getSize());
byte[] act = new byte[data3.length];
IO.readFully(in, act, 0, data3.length);
assertTrue("same content", Arrays.equals(act, data3));
assertEquals("stream at EOF", -1, in.read());
in.close();
}
}
@Test
public void testDelta_FailsOver2GiB() throws Exception {
ObjectInserter.Formatter fmt = new ObjectInserter.Formatter();
byte[] base = new byte[] { 'a' };
ObjectId idA = fmt.idFor(Constants.OBJ_BLOB, base);
ObjectId idB = fmt.idFor(Constants.OBJ_BLOB, new byte[] { 'b' });
PackedObjectInfo a = new PackedObjectInfo(idA);
PackedObjectInfo b = new PackedObjectInfo(idB);
TemporaryBuffer.Heap pack = new TemporaryBuffer.Heap(64 * 1024);
packHeader(pack, 2);
a.setOffset(pack.length());
objectHeader(pack, Constants.OBJ_BLOB, base.length);
deflate(pack, base);
ByteArrayOutputStream tmp = new ByteArrayOutputStream();
DeltaEncoder de = new DeltaEncoder(tmp, base.length, 3L << 30);
de.copy(0, 1);
byte[] delta = tmp.toByteArray();
b.setOffset(pack.length());
objectHeader(pack, Constants.OBJ_REF_DELTA, delta.length);
idA.copyRawTo(pack);
deflate(pack, delta);
byte[] footer = digest(pack);
File dir = new File(repo.getObjectDatabase().getDirectory(), "pack");
File packName = new File(dir, idA.name() + ".pack");
File idxName = new File(dir, idA.name() + ".idx");
FileOutputStream f = new FileOutputStream(packName);
try {
f.write(pack.toByteArray());
} finally {
f.close();
}
f = new FileOutputStream(idxName);
try {
List<PackedObjectInfo> list = new ArrayList<PackedObjectInfo>();
list.add(a);
list.add(b);
Collections.sort(list);
new PackIndexWriterV1(f).write(list, footer);
} finally {
f.close();
}
PackFile packFile = new PackFile(packName, PackExt.INDEX.getBit());
try {
packFile.get(wc, b);
fail("expected LargeObjectException.ExceedsByteArrayLimit");
} catch (LargeObjectException.ExceedsByteArrayLimit bad) {
assertNull(bad.getObjectId());
} finally {
packFile.close();
try (ObjectInserter.Formatter fmt = new ObjectInserter.Formatter()) {
byte[] base = new byte[] { 'a' };
ObjectId idA = fmt.idFor(Constants.OBJ_BLOB, base);
ObjectId idB = fmt.idFor(Constants.OBJ_BLOB, new byte[] { 'b' });
PackedObjectInfo a = new PackedObjectInfo(idA);
PackedObjectInfo b = new PackedObjectInfo(idB);
TemporaryBuffer.Heap pack = new TemporaryBuffer.Heap(64 * 1024);
packHeader(pack, 2);
a.setOffset(pack.length());
objectHeader(pack, Constants.OBJ_BLOB, base.length);
deflate(pack, base);
ByteArrayOutputStream tmp = new ByteArrayOutputStream();
DeltaEncoder de = new DeltaEncoder(tmp, base.length, 3L << 30);
de.copy(0, 1);
byte[] delta = tmp.toByteArray();
b.setOffset(pack.length());
objectHeader(pack, Constants.OBJ_REF_DELTA, delta.length);
idA.copyRawTo(pack);
deflate(pack, delta);
byte[] footer = digest(pack);
File dir = new File(repo.getObjectDatabase().getDirectory(),
"pack");
File packName = new File(dir, idA.name() + ".pack");
File idxName = new File(dir, idA.name() + ".idx");
FileOutputStream f = new FileOutputStream(packName);
try {
f.write(pack.toByteArray());
} finally {
f.close();
}
f = new FileOutputStream(idxName);
try {
List<PackedObjectInfo> list = new ArrayList<PackedObjectInfo>();
list.add(a);
list.add(b);
Collections.sort(list);
new PackIndexWriterV1(f).write(list, footer);
} finally {
f.close();
}
PackFile packFile = new PackFile(packName, PackExt.INDEX.getBit());
try {
packFile.get(wc, b);
fail("expected LargeObjectException.ExceedsByteArrayLimit");
} catch (LargeObjectException.ExceedsByteArrayLimit bad) {
assertNull(bad.getObjectId());
} finally {
packFile.close();
}
}
}

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