private void GetTrailing()
{
IndexGenerator.BitString bs = new IndexGenerator.BitString();
bs.AppendBits((byte)78);
IndexGenerator.BitString bs2 = bs.GetTrailing(3);
BitStringEquals(bs2, new byte[] { 6 });
bs = new IndexGenerator.BitString();
bs.AppendBits((byte)78);
bs.AppendBits(unchecked ((byte)-5));
bs2 = bs.GetTrailing(9);
BitStringEquals(bs2, new byte[] { 78, 1 });
bs2.AppendBits((byte)100);
BitStringEquals(bs2, ByteUtils.ToBytes(new sbyte[] { 78, -55 }));
bs = bs2.GetTrailing(13);
BitStringEquals(bs, new byte[] { 78, 9 });
bs2 = bs2.GetTrailing(11);
BitStringEquals(bs2, new byte[] { 78, 1 });
bs2.AppendBits((byte)100);
BitStringEquals(bs2, new byte[] { 78, 33, 3 });
bs2 = bs2.GetTrailing(16);
BitStringEquals(bs2, new byte[] { 78, 33 });
}
private void BitStringEquals(IndexGenerator.BitString bs, byte[] arr)
{
if (bs.Bytes.Length < arr.Length)
{
throw new Exception("BitString equality test failed!");
}
arr = arr.CopyOf(bs.Bytes.Length);
if (!Compare.AreEqual(arr, bs.Bytes))
{
throw new Exception("BitString equality test failed!");
}
}
private void AppendBitsByteArray()
{
IndexGenerator.BitString bs = new IndexGenerator.BitString();
bs.AppendBits((byte)78);
BitStringEquals(bs, new byte[] { 78 });
bs.AppendBits(unchecked ((byte)-5));
BitStringEquals(bs, ByteUtils.ToBytes(new sbyte[] { 78, -5 }));
bs.AppendBits((byte)127);
BitStringEquals(bs, ByteUtils.ToBytes(new sbyte[] { 78, -5, 127 }));
bs.AppendBits((byte)0);
BitStringEquals(bs, ByteUtils.ToBytes(new sbyte[] { 78, -5, 127, 0 }));
bs.AppendBits((byte)100);
BitStringEquals(bs, ByteUtils.ToBytes(new sbyte[] { 78, -5, 127, 0, 100 }));
}
private void GetLeadingAsInt()
{
IndexGenerator.BitString bs = new IndexGenerator.BitString();
bs.AppendBits((byte)78);
bs.AppendBits((byte)42);
if (!Compare.Equals(1, bs.GetLeadingAsInt(3)))
{
throw new Exception("BitString LeadingAsInt test failed!");
}
if (!Compare.Equals(84, bs.GetLeadingAsInt(9)))
{
throw new Exception("BitString LeadingAsInt test failed!");
}
if (!Compare.Equals(338, bs.GetLeadingAsInt(11)))
{
throw new Exception("BitString LeadingAsInt test failed!");
}
IndexGenerator.BitString bs2 = bs.GetTrailing(11);
BitStringEquals(bs2, new byte[] { 78, 2 });
if (!Compare.Equals(590, bs2.GetLeadingAsInt(11)))
{
throw new Exception("BitString LeadingAsInt test failed!");
}
if (!Compare.Equals(9, bs2.GetLeadingAsInt(5)))
{
throw new Exception("BitString LeadingAsInt test failed!");
}
bs2.AppendBits((byte)115);
if (!Compare.Equals(230, bs2.GetLeadingAsInt(9)))
{
throw new Exception("BitString LeadingAsInt test failed!");
}
if (!Compare.Equals(922, bs2.GetLeadingAsInt(11)))
{
throw new Exception("BitString LeadingAsInt test failed!");
}
bs2.AppendBits(unchecked ((byte)-36));
if (!Compare.Equals(55, bs2.GetLeadingAsInt(6)))
{
throw new Exception("BitString LeadingAsInt test failed!");
}
}
