public void DefaultConstructor()
{
IndirectValue d = default;
Assert.Null(d.LoadedValue);
Assert.Throws <InvalidOperationException>(() => d.Fingerprint);
Assert.Throws <ArgumentNullException>(() => d.GetValue(null));
Assert.Throws <InvalidOperationException>(() => d.GetValue(_ => _list));
}
public void Constructors()
{
var loaded = new IndirectValue(_list);
Assert.Equal(_list, loaded.LoadedValue);
Assert.Equal(_list, loaded.GetValue(null));
var unloaded = new IndirectValue(_dict.Fingerprint);
Assert.Null(unloaded.LoadedValue);
Assert.Equal(_dict.Fingerprint, unloaded.Fingerprint);
}
private IValue DecodeValue()
{
const byte e = 0x65; // 'e'
const byte indir = 0x2a; // '*'
switch (ReadByte())
{
case null:
throw new DecodingException(
$"The byte stream terminates unexpectedly at {_offset}."
);
case 0x6e: // 'n'
#pragma warning disable SA1129
return(new Null());
#pragma warning restore SA1129
case 0x74: // 't'
return(new Bencodex.Types.Boolean(true));
case 0x66: // 'f'
return(new Bencodex.Types.Boolean(false));
case 0x69: // 'i'
BigInteger integer = ReadDigits(true, e, BigInteger.Parse);
return(new Integer(integer));
case 0x75: // 'u'
return(ReadTextAfterPrefix());
case 0x6c: // 'l'
var indirElements = new List <IndirectValue>();
while (true)
{
byte b = ReadByte() ?? throw new DecodingException(
$"The byte stream terminates unexpectedly at {_offset}."
);
if (b == e)
{
break;
}
else if (b == indir)
{
Fingerprint fp = DecodeFingerprint();
indirElements.Add(new IndirectValue(fp));
continue;
}
Back();
IValue element = DecodeValue();
indirElements.Add(new IndirectValue(element));
}
return(new Bencodex.Types.List(
indirElements.ToImmutableArray(),
_indirectValueLoader
));
case 0x64: // 'd'
var pairs = new List <KeyValuePair <IKey, IndirectValue> >();
while (true)
{
byte b = ReadByte() ?? throw new DecodingException(
$"The byte stream terminates unexpectedly at {_offset}."
);
if (b == e)
{
break;
}
Back();
IKey key = DecodeKey();
if (_indirectValueLoader is { })
{
b = ReadByte() ?? throw new DecodingException(
$"The byte stream terminates unexpectedly at {_offset}."
);
if (b == indir)
{
Fingerprint fp = DecodeFingerprint();
var indirValue = new IndirectValue(fp);
pairs.Add(new KeyValuePair <IKey, IndirectValue>(key, indirValue));
continue;
}
Back();
}
IValue value = DecodeValue();
pairs.Add(
new KeyValuePair <IKey, IndirectValue>(key, new IndirectValue(value))
);
}
