public static void VerifyDecode(TagClass tagClass, int tagValue, bool constructed, string inputHex)
{
Asn1Tag expectedTag = new Asn1Tag(tagClass, tagValue, constructed);
byte[] input = inputHex.HexToByteArray();
byte[] padded = input;
Array.Resize(ref padded, input.Length + 3);
int consumed;
Asn1Tag tag;
Assert.False(Asn1Tag.TryDecode(input.AsSpan(0, input.Length - 1), out tag, out consumed));
Assert.Equal(0, consumed);
Assert.Equal(default(Asn1Tag), tag);
Assert.Throws <AsnContentException>(() => Asn1Tag.Decode(input.AsSpan(0, input.Length - 1), out consumed));
Assert.Equal(0, consumed);
Assert.True(Asn1Tag.TryDecode(padded, out tag, out consumed));
Assert.Equal(input.Length, consumed);
Assert.Equal(expectedTag, tag);
Assert.True(Asn1Tag.TryDecode(input, out tag, out consumed));
Assert.Equal(input.Length, consumed);
Assert.Equal(expectedTag, tag);
tag = Asn1Tag.Decode(padded, out consumed);
Assert.Equal(input.Length, consumed);
Assert.Equal(expectedTag, tag);
tag = Asn1Tag.Decode(input, out consumed);
Assert.Equal(input.Length, consumed);
Assert.Equal(expectedTag, tag);
}
