/// <exception cref="System.IO.IOException"></exception>
private static byte[] ToByteArray(ObjectId id)
{
ByteArrayOutputStream buf = new ByteArrayOutputStream(Constants.OBJECT_ID_LENGTH);
id.CopyRawTo(buf);
return(buf.ToByteArray());
}
public virtual void TestDelta_SmallObjectChain()
{
ObjectInserter.Formatter fmt = new ObjectInserter.Formatter();
byte[] data0 = new byte[512];
Arrays.Fill(data0, unchecked ((byte)unchecked ((int)(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(unchecked ((int)(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(unchecked ((int)(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(unchecked ((int)(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);
NUnit.Framework.Assert.IsTrue(wc.Has(id3), "has blob");
ObjectLoader ol = wc.Open(id3);
NUnit.Framework.Assert.IsNotNull(ol, "created loader");
NUnit.Framework.Assert.AreEqual(Constants.OBJ_BLOB, ol.GetType());
NUnit.Framework.Assert.AreEqual(data3.Length, ol.GetSize());
NUnit.Framework.Assert.IsFalse(ol.IsLarge(), "is large");
NUnit.Framework.Assert.IsNotNull(ol.GetCachedBytes());
CollectionAssert.AreEquivalent(data3, ol.GetCachedBytes());
ObjectStream @in = ol.OpenStream();
NUnit.Framework.Assert.IsNotNull(@in, "have stream");
NUnit.Framework.Assert.AreEqual(Constants.OBJ_BLOB, @in.GetType());
NUnit.Framework.Assert.AreEqual(data3.Length, @in.GetSize());
byte[] act = new byte[data3.Length];
IOUtil.ReadFully(@in, act, 0, data3.Length);
NUnit.Framework.Assert.IsTrue(Arrays.Equals(act, data3), "same content");
NUnit.Framework.Assert.AreEqual(-1, @in.Read(), "stream at EOF");
@in.Close();
}
/// <exception cref="System.Exception"></exception>
private static byte[] Entry(FileMode mode, string name, ObjectId id)
{
ByteArrayOutputStream @out = new ByteArrayOutputStream();
mode.CopyTo(@out);
@out.Write(' ');
@out.Write(Constants.Encode(name));
@out.Write(0);
id.CopyRawTo(@out);
return(@out.ToByteArray());
}
/// <exception cref="System.IO.IOException"></exception>
internal virtual void Write(byte[] tmp, OutputStream os)
{
int ptr = tmp.Length;
tmp[--ptr] = (byte)('\n');
ptr = RawParseUtils.FormatBase10(tmp, ptr, childCnt);
tmp[--ptr] = (byte)(' ');
ptr = RawParseUtils.FormatBase10(tmp, ptr, IsValid() ? entrySpan : -1);
tmp[--ptr] = 0;
os.Write(encodedName);
os.Write(tmp, ptr, tmp.Length - ptr);
if (IsValid())
{
id.CopyRawTo(tmp, 0);
os.Write(tmp, 0, Constants.OBJECT_ID_LENGTH);
}
for (int i = 0; i < childCnt; i++)
{
children[i].Write(tmp, os);
}
}
