public void testOneByte()
{
TemporaryBuffer b = new TemporaryBuffer();
byte test = (byte)new TestRng(getName()).nextInt();
try
{
b.write(test);
b.close();
Assert.AreEqual(1, b.Length);
{
byte[] r = b.ToArray();
Assert.IsNotNull(r);
Assert.AreEqual(1, r.Length);
Assert.AreEqual(test, r[0]);
}
{
var o = new MemoryStream();
b.writeTo(o, null);
o.Close();
byte[] r = o.ToArray();
Assert.AreEqual(1, r.Length);
Assert.AreEqual(test, r[0]);
}
}
finally
{
b.destroy();
}
}
public void testInCoreLimit_SwitchOnCopy()
{
TemporaryBuffer b = new TemporaryBuffer();
byte[] test = new TestRng(getName())
.nextBytes(TemporaryBuffer.DEFAULT_IN_CORE_LIMIT * 2);
try
{
MemoryStream @in = new MemoryStream(test,
TemporaryBuffer.DEFAULT_IN_CORE_LIMIT, test.Length
- TemporaryBuffer.DEFAULT_IN_CORE_LIMIT);
b.write(test, 0, TemporaryBuffer.DEFAULT_IN_CORE_LIMIT);
b.copy(@in);
b.close();
Assert.AreEqual(test.Length, b.Length);
{
byte[] r = b.ToArray();
Assert.IsNotNull(r);
Assert.AreEqual(test.Length, r.Length);
Assert.IsTrue(test.SequenceEqual(r));
}
{
MemoryStream o = new MemoryStream();
b.writeTo(o, null);
o.Close();
byte[] r = o.ToArray();
Assert.AreEqual(test.Length, r.Length);
Assert.IsTrue(test.SequenceEqual(r));
}
}
finally
{
b.destroy();
}
}
public void testLarge_SingleWrite()
{
TemporaryBuffer b = new TemporaryBuffer();
byte[] test = new TestRng(getName()).nextBytes(TemporaryBuffer.DEFAULT_IN_CORE_LIMIT * 3);
try
{
b.write(test);
b.close();
Assert.AreEqual(test.Length, b.Length);
{
byte[] r = b.ToArray();
Assert.IsNotNull(r);
Assert.AreEqual(test.Length, r.Length);
Assert.IsTrue(test.SequenceEqual(r));
}
{
MemoryStream o = new MemoryStream();
b.writeTo(o, null);
o.Close();
byte[] r = o.ToArray();
Assert.AreEqual(test.Length, r.Length);
Assert.IsTrue(test.SequenceEqual(r));
}
}
finally
{
b.destroy();
}
}
public void testOneBlockAndHalf_Copy()
{
TemporaryBuffer b = new TemporaryBuffer();
byte[] test = new TestRng(getName())
.nextBytes(TemporaryBuffer.Block.SZ * 3 / 2);
try
{
var @in = new MemoryStream(test);
// [caytchen] StreamReader buffers data After the very first Read, thus advancing the Position in the underlying stream - causing this test to fail
//var inReader = new StreamReader(@in);
b.write(@in.ReadByte());
b.copy(@in);
b.close();
Assert.AreEqual(test.Length, b.Length);
{
byte[] r = b.ToArray();
Assert.IsNotNull(r);
Assert.AreEqual(test.Length, r.Length);
Assert.IsTrue(test.SequenceEqual(r));
}
{
MemoryStream o = new MemoryStream();
b.writeTo(o, null);
o.Close();
byte[] r = o.ToArray();
Assert.AreEqual(test.Length, r.Length);
Assert.IsTrue(test.SequenceEqual(r));
}
}
finally
{
b.destroy();
}
}
public void testOneBlockAndHalf_SingleWrite()
{
TemporaryBuffer b = new TemporaryBuffer();
byte[] test = new TestRng(getName())
.nextBytes(TemporaryBuffer.Block.SZ * 3 / 2);
try
{
for (int i = 0; i < test.Length; i++)
{
b.write(test[i]);
}
b.close();
Assert.AreEqual(test.Length, b.Length);
{
byte[] r = b.ToArray();
Assert.IsNotNull(r);
Assert.AreEqual(test.Length, r.Length);
Assert.IsTrue(test.SequenceEqual(r));
}
{
MemoryStream o = new MemoryStream();
b.writeTo(o, null);
o.Close();
byte[] r = o.ToArray();
Assert.AreEqual(test.Length, r.Length);
Assert.IsTrue(test.SequenceEqual(r));
}
}
finally
{
b.destroy();
}
}
public void testOneBlockAndHalf_BulkWrite()
{
TemporaryBuffer b = new TemporaryBuffer();
byte[] test = new TestRng(getName()).nextBytes(TemporaryBuffer.Block.SZ * 3 / 2);
try
{
b.write(test, 0, 2);
b.write(test, 2, 4);
b.write(test, 6, test.Length - 6 - 2);
b.write(test, test.Length - 2, 2);
b.close();
Assert.AreEqual(test.Length, b.Length);
{
byte[] r = b.ToArray();
Assert.IsNotNull(r);
Assert.AreEqual(test.Length, r.Length);
Assert.IsTrue(test.SequenceEqual(r));
}
{
MemoryStream o = new MemoryStream();
b.writeTo(o, null);
o.Close();
byte[] r = o.ToArray();
Assert.AreEqual(test.Length, r.Length);
Assert.IsTrue(test.SequenceEqual(r));
}
}
finally
{
b.destroy();
}
}
private void WriteTo(Stream os)
{
MessageDigest foot = Constants.newMessageDigest();
var dos = new DigestOutputStream(os, foot);
// Write the header.
//
var tmp = new byte[128];
Array.Copy(SigDirc, 0, tmp, 0, SigDirc.Length);
NB.encodeInt32(tmp, 4, /* version */ 2);
NB.encodeInt32(tmp, 8, _entryCnt);
dos.Write(tmp, 0, 12);
// Write the individual file entries.
//
if (_lastModified == DateTime.MinValue)
{
// Write a new index, as no entries require smudging.
//
for (int i = 0; i < _entryCnt; i++)
{
_sortedEntries[i].write(dos);
}
}
else
{
var smudge_s = _lastModified.ToUnixTime();
var smudge_ns = _lastModified.Millisecond * 1000000; // [henon] <--- this could be done with much more precision in C# since DateTime has 100 nanosec ticks
for (int i = 0; i < _entryCnt; i++)
{
DirCacheEntry e = _sortedEntries[i];
if (e.mightBeRacilyClean(smudge_s, smudge_ns))
{
e.smudgeRacilyClean();
}
e.write(dos);
}
}
if (_cacheTree != null)
{
var bb = new TemporaryBuffer();
_cacheTree.write(tmp, bb);
bb.close();
NB.encodeInt32(tmp, 0, ExtTree);
NB.encodeInt32(tmp, 4, (int)bb.Length);
dos.Write(tmp, 0, 8);
bb.writeTo(dos, null);
}
var hash = foot.Digest();
os.Write(hash, 0, hash.Length);
os.Close();
}
public void testRandomWrites()
{
TemporaryBuffer b = new TemporaryBuffer();
TestRng rng = new TestRng(getName());
int max = TemporaryBuffer.DEFAULT_IN_CORE_LIMIT * 2;
byte[] expect = new byte[max];
try
{
int written = 0;
bool onebyte = true;
while (written < max)
{
if (onebyte)
{
byte v = (byte)rng.nextInt();
b.write(v);
expect[written++] = v;
}
else
{
int len = Math.Min(rng.nextInt() & 127, max - written);
byte[] tmp = rng.nextBytes(len);
b.write(tmp, 0, len);
Array.Copy(tmp, 0, expect, written, len);
written += len;
}
onebyte = !onebyte;
}
Assert.AreEqual(expect.Length, written);
b.close();
Assert.AreEqual(expect.Length, b.Length);
{
byte[] r = b.ToArray();
Assert.IsNotNull(r);
Assert.AreEqual(expect.Length, r.Length);
Assert.IsTrue(expect.SequenceEqual(r));
}
{
MemoryStream o = new MemoryStream();
b.writeTo(o, null);
o.Close();
byte[] r = o.ToArray();
Assert.AreEqual(expect.Length, r.Length);
Assert.IsTrue(expect.SequenceEqual(r));
}
}
finally
{
b.destroy();
}
}