public void testEncodeInt16()
{
var @out = new byte[16];
PrepareOutput(@out);
NB.encodeInt16(@out, 0, 0);
AssertOutput(b(0, 0), @out, 0);
PrepareOutput(@out);
NB.encodeInt16(@out, 3, 0);
AssertOutput(b(0, 0), @out, 3);
PrepareOutput(@out);
NB.encodeInt16(@out, 0, 3);
AssertOutput(b(0, 3), @out, 0);
PrepareOutput(@out);
NB.encodeInt16(@out, 3, 3);
AssertOutput(b(0, 3), @out, 3);
PrepareOutput(@out);
NB.encodeInt16(@out, 0, 0xdeac);
AssertOutput(b(0xde, 0xac), @out, 0);
PrepareOutput(@out);
NB.encodeInt16(@out, 3, 0xdeac);
AssertOutput(b(0xde, 0xac), @out, 3);
PrepareOutput(@out);
NB.encodeInt16(@out, 3, -1);
AssertOutput(b(0xff, 0xff), @out, 3);
}
/// <summary>
/// Create an empty entry at the specified stage.
/// </summary>
/// <param name="newPath">
/// Name of the cache entry, in the standard encoding.
/// </param>
/// <param name="stage">The stage index of the new entry.</param>
public DirCacheEntry(byte[] newPath, int stage)
{
if (!isValidPath(newPath))
{
throw new ArgumentException("Invalid path: "
+ toString(newPath));
}
if (stage < 0 || 3 < stage)
{
throw new ArgumentException("Invalid stage " + stage
+ " for path " + toString(newPath));
}
_info = new byte[INFO_LEN];
_infoOffset = 0;
_path = newPath;
int flags = ((stage & 0x3) << 12);
if (_path.Length < NameMask)
{
flags |= _path.Length;
}
else
{
flags |= NameMask;
}
NB.encodeInt16(_info, _infoOffset + PFlags, flags);
}
/// <summary>
/// Copy the ObjectId and other meta fields from an existing entry.
/// <para />
/// This method copies everything except the path from one entry to another,
/// supporting renaming.
/// </summary>
/// <param name="src">
/// The entry to copy ObjectId and meta fields from.
/// </param>
public void copyMetaData(DirCacheEntry src)
{
int pLen = NB.decodeUInt16(_info, _infoOffset + PFlags) & NameMask;
Array.Copy(src._info, src._infoOffset, _info, _infoOffset, INFO_LEN);
NB.encodeInt16(_info, _infoOffset + PFlags, pLen
| NB.decodeUInt16(_info, _infoOffset + PFlags) & ~NameMask);
}
/// <summary>
/// Create an empty entry at the specified stage.
/// </summary>
/// <param name="newPath">
/// Name of the cache entry, in the standard encoding.
/// </param>
/// <param name="stage">The stage index of the new entry.</param>
public DirCacheEntry(byte[] newPath, int stage)
{
_info = new byte[INFO_LEN];
_infoOffset = 0;
_path = newPath;
int flags = ((stage & 0x3) << 12);
if (_path.Length < NameMask)
{
flags |= _path.Length;
}
else
{
flags |= NameMask;
}
NB.encodeInt16(_info, _infoOffset + PFlags, flags);
}