public static void WriteEncodedValue_BadIndefiniteLengthStringValue_ShouldThrowInvalidOperationException()
{
var writer = new CborWriter();
writer.WriteStartIndefiniteLengthTextString();
Assert.Throws <InvalidOperationException>(() => writer.WriteEncodedValue(new byte[] { 0x01 }));
}
public static void WriteTextString_IndefiniteLength_ImbalancedWrites_ShouldThrowInvalidOperationException(string opName)
{
var writer = new CborWriter();
writer.WriteStartIndefiniteLengthTextString();
Assert.Throws <InvalidOperationException>(() => Helpers.ExecOperation(writer, opName));
}
public static void ExecOperation(CborWriter writer, string op)
{
switch (op)
{
case nameof(writer.WriteInt64): writer.WriteInt64(42); break;
case nameof(writer.WriteByteString): writer.WriteByteString(Array.Empty <byte>()); break;
case nameof(writer.WriteTextString): writer.WriteTextString(""); break;
case nameof(writer.WriteStartIndefiniteLengthTextString): writer.WriteStartIndefiniteLengthTextString(); break;
case nameof(writer.WriteStartIndefiniteLengthByteString): writer.WriteStartIndefiniteLengthByteString(); break;
case nameof(writer.WriteStartArray): writer.WriteStartArray(null); break;
case nameof(writer.WriteStartMap): writer.WriteStartMap(null); break;
case nameof(writer.WriteEndIndefiniteLengthByteString): writer.WriteEndIndefiniteLengthByteString(); break;
case nameof(writer.WriteEndIndefiniteLengthTextString): writer.WriteEndIndefiniteLengthTextString(); break;
case nameof(writer.WriteEndArray): writer.WriteEndArray(); break;
case nameof(writer.WriteEndMap): writer.WriteEndMap(); break;
default: throw new Exception($"Unrecognized CborWriter operation name {op}");
}
}
public static void WriteChunkedTextString(CborWriter writer, string[] chunks)
{
writer.WriteStartIndefiniteLengthTextString();
foreach (string chunk in chunks)
{
writer.WriteTextString(chunk);
}
writer.WriteEndIndefiniteLengthTextString();
}
public static void WriteEncodedValue_IndefiniteLengthTextString_HappyPath()
{
var writer = new CborWriter(convertIndefiniteLengthEncodings: false);
writer.WriteStartIndefiniteLengthTextString();
writer.WriteTextString("foo");
writer.WriteEncodedValue("63626172".HexToByteArray());
writer.WriteEndIndefiniteLengthTextString();
byte[] encoding = writer.Encode();
Assert.Equal("7f63666f6f63626172ff", encoding.ByteArrayToHex().ToLower());
}
public static void Roundtrip_IndefiniteTextString(CborConformanceMode mode, string[] chunks)
{
bool convertIndefiniteLengthEncodings = mode is CborConformanceMode.Canonical or CborConformanceMode.Ctap2Canonical;
var writer = new CborWriter(convertIndefiniteLengthEncodings: convertIndefiniteLengthEncodings);
writer.WriteStartIndefiniteLengthTextString();
foreach (string chunk in chunks)
{
writer.WriteTextString(chunk);
}
writer.WriteEndIndefiniteLengthTextString();
byte[] encoding = writer.Encode();
var reader = new CborReader(encoding);
string expected = String.Concat(chunks);
string result = reader.ReadTextString();
Assert.Equal(expected, result);
}
public void GetValueAsStringBeingIndefiniteLengthSucceeds(string value)
{
Verify(0);
Verify(1);
Verify(10);
void Verify(int repetitions)
{
var writer = new CborWriter();
writer.WriteStartIndefiniteLengthTextString();
for (int i = 0; i < repetitions; i++)
{
writer.WriteTextString(value);
}
writer.WriteEndIndefiniteLengthTextString();
CoseHeaderValue headerValue = CoseHeaderValue.FromEncodedValue(writer.Encode());
string expectedValue = string.Join("", Enumerable.Repeat(value, repetitions));
Assert.Equal(expectedValue, headerValue.GetValueAsString());
}
}
public static void WriteStartTextStringIndefiniteLength_NoPatching_UnsupportedConformance_ShouldThrowInvalidOperationException(CborConformanceMode conformanceMode)
{
var writer = new CborWriter(conformanceMode, convertIndefiniteLengthEncodings: false);
Assert.Throws <InvalidOperationException>(() => writer.WriteStartIndefiniteLengthTextString());
}
