public void Test_KeyRange_PrefixedBy()
{
KeyRange range;
// "abc" => [ "abc\x00", "abd" )
range = KeyRange.PrefixedBy(Slice.FromByteString("abc"));
Assert.That(range.Begin, Is.EqualTo(Slice.FromByteString("abc\x00")));
Assert.That(range.End, Is.EqualTo(Slice.FromByteString("abd")));
// "" => ArgumentException
Assert.That(() => KeyRange.PrefixedBy(Slice.Empty), Throws.InstanceOf <ArgumentException>());
// "\xFF" => ArgumentException
Assert.That(() => KeyRange.PrefixedBy(Slice.FromByteString("\xFF")), Throws.InstanceOf <ArgumentException>());
// null => ArgumentException
Assert.That(() => KeyRange.PrefixedBy(Slice.Nil), Throws.InstanceOf <ArgumentException>());
}
public static KeyRange EncodeRange <T1>(this ITypedKeySubspace <T1> self, [AllowNull] T1 item1)
{
//TODO: add concept of "range" on IKeyEncoder ?
return(KeyRange.PrefixedBy(self.Encode(item1)));
}
public static KeyRange PackRange <T1>(this ITypedKeySubspace <T1> self, ValueTuple <T1> tuple)
{
return(KeyRange.PrefixedBy(self.Encode(tuple.Item1)));
}