public virtual void TestStandardFormat_SmallObject()
{
int type = Constants.OBJ_BLOB;
byte[] data = GetRng().NextBytes(300);
byte[] gz = CompressStandardFormat(type, data);
ObjectId id = ObjectId.ZeroId;
ObjectLoader ol = UnpackedObject.Open(new ByteArrayInputStream(gz), Path(id), id,
wc);
NUnit.Framework.Assert.IsNotNull(ol, "created loader");
NUnit.Framework.Assert.AreEqual(type, ol.GetType());
NUnit.Framework.Assert.AreEqual(data.Length, ol.GetSize());
NUnit.Framework.Assert.IsFalse(ol.IsLarge(), "is not large");
NUnit.Framework.Assert.IsTrue(Arrays.Equals(data, ol.GetCachedBytes()), "same content"
);
ObjectStream @in = ol.OpenStream();
NUnit.Framework.Assert.IsNotNull(@in, "have stream");
NUnit.Framework.Assert.AreEqual(type, @in.GetType());
NUnit.Framework.Assert.AreEqual(data.Length, @in.GetSize());
byte[] data2 = new byte[data.Length];
IOUtil.ReadFully(@in, data2, 0, data.Length);
NUnit.Framework.Assert.IsTrue(Arrays.Equals(data2, data), "same content");
NUnit.Framework.Assert.AreEqual(-1, @in.Read(), "stream at EOF");
@in.Close();
}
public virtual void TestWhole_SmallObject()
{
int type = Constants.OBJ_BLOB;
byte[] data = GetRng().NextBytes(300);
RevBlob id = tr.Blob(data);
tr.Branch("master").Commit().Add("A", id).Create();
tr.PackAndPrune();
NUnit.Framework.Assert.IsTrue(wc.Has(id), "has blob");
ObjectLoader ol = wc.Open(id);
NUnit.Framework.Assert.IsNotNull(ol, "created loader");
NUnit.Framework.Assert.AreEqual(type, ol.GetType());
NUnit.Framework.Assert.AreEqual(data.Length, ol.GetSize());
NUnit.Framework.Assert.IsFalse(ol.IsLarge(), "is not large");
NUnit.Framework.Assert.IsTrue(Arrays.Equals(data, ol.GetCachedBytes()), "same content"
);
ObjectStream @in = ol.OpenStream();
NUnit.Framework.Assert.IsNotNull(@in, "have stream");
NUnit.Framework.Assert.AreEqual(type, @in.GetType());
NUnit.Framework.Assert.AreEqual(data.Length, @in.GetSize());
byte[] data2 = new byte[data.Length];
IOUtil.ReadFully(@in, data2, 0, data.Length);
NUnit.Framework.Assert.IsTrue(Arrays.Equals(data2, data), "same content");
NUnit.Framework.Assert.AreEqual(-1, @in.Read(), "stream at EOF");
@in.Close();
}
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();
}
public virtual void TestPackFormat_LargeObject()
{
int type = Constants.OBJ_BLOB;
byte[] data = GetRng().NextBytes(streamThreshold + 5);
ObjectId id = new ObjectInserter.Formatter().IdFor(type, data);
Write(id, CompressPackFormat(type, data));
ObjectLoader ol;
{
FileInputStream fs = new FileInputStream(Path(id));
try
{
ol = UnpackedObject.Open(fs, Path(id), id, wc);
}
finally
{
fs.Close();
}
}
NUnit.Framework.Assert.IsNotNull(ol, "created loader");
NUnit.Framework.Assert.AreEqual(type, ol.GetType());
NUnit.Framework.Assert.AreEqual(data.Length, ol.GetSize());
NUnit.Framework.Assert.IsTrue(ol.IsLarge(), "is large");
try
{
ol.GetCachedBytes();
NUnit.Framework.Assert.Fail("Should have thrown LargeObjectException");
}
catch (LargeObjectException tooBig)
{
NUnit.Framework.Assert.AreEqual(MessageFormat.Format(JGitText.Get().largeObjectException
, id.Name), tooBig.Message);
}
ObjectStream @in = ol.OpenStream();
NUnit.Framework.Assert.IsNotNull(@in, "have stream");
NUnit.Framework.Assert.AreEqual(type, @in.GetType());
NUnit.Framework.Assert.AreEqual(data.Length, @in.GetSize());
byte[] data2 = new byte[data.Length];
IOUtil.ReadFully(@in, data2, 0, data.Length);
NUnit.Framework.Assert.IsTrue(Arrays.Equals(data2, data), "same content");
NUnit.Framework.Assert.AreEqual(-1, @in.Read(), "stream at EOF");
@in.Close();
}
/// <exception cref="NGit.Errors.MissingObjectException"></exception>
/// <exception cref="System.IO.IOException"></exception>
/// <exception cref="NGit.Diff.SimilarityIndex.TableFullException"></exception>
internal virtual void Hash(ObjectLoader obj)
{
if (obj.IsLarge())
{
ObjectStream @in = obj.OpenStream();
try
{
SetFileSize(@in.GetSize());
Hash(@in, fileSize);
}
finally
{
@in.Close();
}
}
else
{
byte[] raw = obj.GetCachedBytes();
SetFileSize(raw.Length);
Hash(raw, 0, raw.Length);
}
}
public virtual void TestWhole_LargeObject()
{
int type = Constants.OBJ_BLOB;
byte[] data = GetRng().NextBytes(streamThreshold + 5);
RevBlob id = tr.Blob(data);
tr.Branch("master").Commit().Add("A", id).Create();
tr.PackAndPrune();
NUnit.Framework.Assert.IsTrue(wc.Has(id), "has blob");
ObjectLoader ol = wc.Open(id);
NUnit.Framework.Assert.IsNotNull(ol, "created loader");
NUnit.Framework.Assert.AreEqual(type, ol.GetType());
NUnit.Framework.Assert.AreEqual(data.Length, ol.GetSize());
NUnit.Framework.Assert.IsTrue(ol.IsLarge(), "is large");
try
{
ol.GetCachedBytes();
NUnit.Framework.Assert.Fail("Should have thrown LargeObjectException");
}
catch (LargeObjectException tooBig)
{
NUnit.Framework.Assert.AreEqual(MessageFormat.Format(JGitText.Get().largeObjectException
, id.Name), tooBig.Message);
}
ObjectStream @in = ol.OpenStream();
NUnit.Framework.Assert.IsNotNull(@in, "have stream");
NUnit.Framework.Assert.AreEqual(type, @in.GetType());
NUnit.Framework.Assert.AreEqual(data.Length, @in.GetSize());
byte[] data2 = new byte[data.Length];
IOUtil.ReadFully(@in, data2, 0, data.Length);
NUnit.Framework.Assert.IsTrue(Arrays.Equals(data2, data), "same content");
NUnit.Framework.Assert.AreEqual(-1, @in.Read(), "stream at EOF");
@in.Close();
}