public void ReadWriteAutomated_StreamReaderWriter(bool withState)
{
var model = RuntimeTypeModel.Create();
model.AutoCompile = false;
using var ms = new MemoryStream();
var obj = new C {
AVal = 123, BVal = 456, CVal = 789
};
if (withState)
{
using var writeState = ProtoWriter.State.Create(ms, model);
writeState.SerializeRoot(obj);
Assert.Equal(0, writeState.Depth);
writeState.Close();
}
else
{
#pragma warning disable CS0618
using var writer = ProtoWriter.Create(ms, model);
model.Serialize(writer, obj);
#pragma warning restore CS0618
Assert.Equal(0, writer.Depth);
}
var hex = BitConverter.ToString(ms.GetBuffer(), 0, (int)ms.Length);
Assert.Equal("22-08-2A-03-18-95-06-10-C8-03-08-7B", hex);
// 22 = field 4, type String
// 08 = length 8
// 2A = field 5, type String
// 03 = length 3
// 18 = field 3, type Variant
// 95-06 = 789 (raw) or -395 (zigzag)
// 10 = field 2, type Variant
// C8-03 = 456(raw) or 228(zigzag)
// 08 = field 1, type Variant
// 7B = 123(raw) or - 62(zigzag)
ms.Position = 0;
A raw;
if (withState)
{
using var readState = ProtoReader.State.Create(ms, model);
raw = readState.DeserializeRoot <A>(null);
}
else
{
#pragma warning disable CS0618
using var reader = ProtoReader.Create(ms, model);
#pragma warning restore CS0618
raw = reader.DefaultState().DeserializeRoot <A>(null);
}
var clone = Assert.IsType <C>(raw);
Assert.NotSame(obj, clone);
Assert.Equal(123, clone.AVal);
Assert.Equal(456, clone.BVal);
Assert.Equal(789, clone.CVal);
}
internal static void AppendExtendValue(TypeModel model, IExtensible instance, int tag, DataFormat format, object value)
{
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
// TODO
//model.CheckTagNotInUse(tag);
// obtain the extension object and prepare to write
IExtension extn = instance.GetExtensionObject(true);
if (extn == null)
{
throw new InvalidOperationException("No extension object available; appended data would be lost.");
}
bool commit = false;
Stream stream = extn.BeginAppend();
try
{
using (ProtoWriter writer = ProtoWriter.Create(stream, model, null))
{
model.TrySerializeAuxiliaryType(writer, null, format, tag, value, false, null);
writer.Close();
}
commit = true;
}
finally
{
extn.EndAppend(stream, commit);
}
}
