public static void WriteTag_NoValueInNestedContext_ShouldThrowInvalidOperationException()
{
var writer = new CborWriter();
writer.WriteStartArray(null);
writer.WriteTag(CborTag.Uri);
Assert.Throws <InvalidOperationException>(() => writer.WriteEndArray());
}
public static void WriteTag_SingleValue_HappyPath(ulong tag, object value, string hexExpectedEncoding)
{
byte[] expectedEncoding = hexExpectedEncoding.HexToByteArray();
using var writer = new CborWriter();
writer.WriteTag((CborTag)tag);
Helpers.WriteValue(writer, value);
AssertHelper.HexEqual(expectedEncoding, writer.GetEncoding());
}
public static void WriteValue(CborWriter writer, object value, bool useDefiniteLengthCollections = true)
{
switch (value)
{
case null: writer.WriteNull(); break;
case bool b: writer.WriteBoolean(b); break;
case int i: writer.WriteInt32(i); break;
case long i: writer.WriteInt64(i); break;
case ulong i: writer.WriteUInt64(i); break;
case float f: writer.WriteSingle(f); break;
case double d: writer.WriteDouble(d); break;
case decimal d: writer.WriteDecimal(d); break;
case string s: writer.WriteTextString(s); break;
case BigInteger i: writer.WriteBigInteger(i); break;
case DateTimeOffset d: writer.WriteDateTimeOffset(d); break;
case byte[] b: writer.WriteByteString(b); break;
case byte[][] chunks: WriteChunkedByteString(writer, chunks); break;
case string[] chunks when IsIndefiniteLengthByteString(chunks):
byte[][] byteChunks = chunks.Skip(1).Select(ch => ch.HexToByteArray()).ToArray();
WriteChunkedByteString(writer, byteChunks);
break;
case string[] chunks: WriteChunkedTextString(writer, chunks); break;
case object[] nested when IsCborMapRepresentation(nested): WriteMap(writer, nested, useDefiniteLengthCollections); break;
case object[] nested when IsEncodedValueRepresentation(nested):
byte[] encodedValue = ((string)nested[1]).HexToByteArray();
writer.WriteEncodedValue(encodedValue);
break;
case object[] nested when IsTaggedValueRepresentation(nested):
writer.WriteTag((CborTag)nested[0]);
WriteValue(writer, nested[1]);
break;
case object[] nested: WriteArray(writer, nested, useDefiniteLengthCollections); break;
default: throw new ArgumentException($"Unrecognized argument type {value.GetType()}");
}
;
}
public static void WriteTag_NoValue_ShouldThrowInvalidOperationException(ulong[] tags)
{
var writer = new CborWriter();
foreach (ulong tag in tags)
{
writer.WriteTag((CborTag)tag);
}
Assert.Throws <InvalidOperationException>(() => writer.Encode());
}
public static void WriteTag_NestedTags_HappyPath(ulong[] tags, object value, string hexExpectedEncoding)
{
byte[] expectedEncoding = hexExpectedEncoding.HexToByteArray();
using var writer = new CborWriter();
foreach (ulong tag in tags)
{
writer.WriteTag((CborTag)tag);
}
Helpers.WriteValue(writer, value);
AssertHelper.HexEqual(expectedEncoding, writer.GetEncoding());
}
public static void Write_TaggedEmptyMap_ShouldSucceed()
{
var writer = new CborWriter();
writer.WriteTag(CborTag.DateTimeString);
writer.WriteStartMap(0);
writer.WriteEndMap();
byte[] encoding = writer.Encode();
Assert.Equal("C0A0", encoding.ByteArrayToHex());
}
public static void WriteTag_NoValue_ShouldThrowInvalidOperationException(ulong[] tags)
{
using var writer = new CborWriter();
foreach (ulong tag in tags)
{
writer.WriteTag((CborTag)tag);
}
InvalidOperationException exn = Assert.Throws <InvalidOperationException>(() => writer.GetEncoding());
Assert.Equal("Buffer contains incomplete CBOR document.", exn.Message);
}
public virtual CborWriter Write(CborWriter writer)
{
if (this.Tag != null)
{
writer.WriteTag(this.Tag);
}
return writer;
}
