/// <inheritdoc/>
public override int GetByteCount(ReadOnlySpan <char> chars)
{
var decoder = new Base16Decoder(Settings);
Span <byte> outputBuffer = stackalloc byte[1024];
int inputOffset = 0;
int inputCount = chars.Length;
int outputLength = 0;
ConvertStatus convertStatus;
do
{
convertStatus = decoder.ConvertData(chars, inputOffset, inputCount,
outputBuffer, 0, outputBuffer.Length,
true,
out var inputUsed,
out var outputUsed);
outputLength += outputUsed;
inputOffset += inputUsed;
inputCount -= inputUsed;
} while (!convertStatus);
return(outputLength);
}
public void ConstructorAlphabetTest()
{
char[] testAlphabet = new char[] { 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', 'A', 'S', 'D', 'F', 'G', 'H' };
Base16Decoder decoder = new Base16Decoder(testAlphabet);
Common.AreEqual(testAlphabet, decoder.Alphabet);
}
/// <inheritdoc/>
public override byte[] GetBytes(ReadOnlySpan <char> chars)
{
// GetBytes converts in two passes so that it can perform a single allocation
// for the final array of bytes...
int bytesRequired = GetByteCount(chars);
if (bytesRequired == 0)
{
return(Array.Empty <byte>());
}
var outputBytes = new byte[bytesRequired];
var decoder = new Base16Decoder(Settings);
var convertStatus = decoder.ConvertData(chars, 0, chars.Length,
outputBytes.AsSpan(), 0, outputBytes.Length,
true,
out var inputUsed,
out var outputUsed);
System.Diagnostics.Debug.Assert(convertStatus);
System.Diagnostics.Debug.Assert(inputUsed == chars.Length);
System.Diagnostics.Debug.Assert(outputUsed == outputBytes.Length);
return(outputBytes);
}
public void GetInputEncodingTest()
{
Base16Decoder decoder = new Base16Decoder();
System.Text.Encoding encoding = decoder.GetInputEncoding();
Assert.IsNotNull(encoding);
Assert.AreEqual(System.Text.Encoding.ASCII, encoding);
}
public void GetEncoderTest()
{
Base16Decoder decoder = new Base16Decoder();
Encoder encoder = decoder.GetEncoder();
Assert.IsNotNull(encoder);
Assert.IsInstanceOf(typeof(Base16Encoder), encoder);
}
public void IsCaseSensitiveTest()
{
Base16Decoder decoder = new Base16Decoder();
Assert.IsFalse(decoder.IsCaseSensitive);
}
public void ConstructorDefaultTest()
{
Base16Decoder decoder = new Base16Decoder();
Common.AreEqual(Base16Encoder.StandardAlphabet, decoder.Alphabet);
}
public void AlphabetShortTest()
{
Base16Decoder decoder = new Base16Decoder();
decoder.Alphabet = new char[1];
}
public void AlphabetNullTest()
{
Base16Decoder decoder = new Base16Decoder();
decoder.Alphabet = null;
}
public void MissingCharacterTest()
{
Base16Decoder decoder = new Base16Decoder();
decoder.Decode("ABCDE");
}
public void InvalidCharacterTest()
{
Base16Decoder decoder = new Base16Decoder();
decoder.Decode("ABCDE!");
}
public Decoder(Base16Settings settings)
{
_codecDecoder = new Base16Decoder(settings);
}