unsafe static int TrySerializer <T>(StringBuilder sb, params T[] samples)
{
int failures = 0;
sb.AppendLine();
sb.AppendLine("# " + SchemaTest.HumanName(typeof(T)));
sb.AppendLine();
var emit = DelegateBuilder.CreateStream <T>(Schema.Reflect(typeof(T)));
string instructions;
var del = (Serializer.WriteToStream <T>)emit.CreateDelegate(typeof(Serializer.WriteToStream <T>), out instructions);
sb.AppendLine(emit.Instructions());
sb.AppendLine();
var ms = new MemoryStream();
var buffer = new byte[64];
for (int i = 0; i < samples.Length; i++)
{
ms.Position = 0;
fixed(byte *ptr = buffer)
{
del.Invoke(ref samples[i], ptr, ms, buffer);
}
var newt = DelegateBuilderTest.GetNewtonsoft(samples[i]);
var mine = ms.GetBuffer().Take((int)ms.Position);
sb.AppendLine();
sb.AppendLine("## Newtonsoft");
Util.Hex.Dump(sb, newt);
sb.AppendLine();
sb.AppendLine();
sb.AppendLine("## Cameronism.Json");
Util.Hex.Dump(sb, mine);
sb.AppendLine();
sb.AppendLine();
bool equal = newt.SequenceEqual(mine);
sb.AppendLine("Equal: " + equal);
sb.AppendLine();
if (!equal)
{
failures++;
}
}
return(failures);
}
unsafe string ToJson <T>(T value, StreamSpy ss, out string instructions)
{
var ms = ss.Underlying as MemoryStream;
ms.Position = 0;
try
{
var schema = Schema.Reflect(typeof(T));
var emit = DelegateBuilder.CreateStream <T>(schema);
var del = emit.CreateDelegate <Serializer.WriteToStream <T> >(out instructions);
fixed(byte *ptr = _Buffer)
{
del.Invoke(ref value, ptr, ss, _Buffer);
}
}
catch (Sigil.SigilVerificationException sve)
{
Trace.WriteLine(sve);
instructions = sve.GetDebugInfo();
throw;
}
return(Encoding.UTF8.GetString(ms.GetBuffer(), 0, (int)ms.Position));
}
public void BadUsage()
{
var badSchema = new Schema {
JsonType = (JsonType)int.MaxValue
};
Assert.Throws <ArgumentException>(() => DelegateBuilder.CreateStream <int>(badSchema));
badSchema = new Schema {
JsonType = JsonType.Boolean, NetType = this.GetType()
};
Assert.Throws <ArgumentException>(() => DelegateBuilder.CreateStream <int>(badSchema));
badSchema = new Schema
{
JsonType = JsonType.Array,
NetType = typeof(int[]),
Items = new Schema
{
JsonType = (JsonType)int.MaxValue,
NetType = typeof(int),
}
};
Assert.Throws <ArgumentException>(() => DelegateBuilder.CreateStream <int[]>(badSchema));
badSchema = new Schema
{
JsonType = JsonType.Array,
NetType = typeof(int[]),
Items = new Schema
{
JsonType = JsonType.Integer,
NetType = this.GetType(),
}
};
Assert.Throws <ArgumentException>(() => DelegateBuilder.CreateStream <int[]>(badSchema));
}
// returns the length of serialized value when successful
unsafe static int?CheckBoundary <T>(T value, int maxLength = 64)
{
const byte init = 255;
var nJSON = Encoding.UTF8.GetBytes(Newtonsoft.Json.JsonConvert.SerializeObject(value));
var buffer = new byte[maxLength + 2];
var emit = DelegateBuilder.CreatePointer <T>(Schema.Reflect(typeof(T)));
string instructions;
var del = (Serializer.WriteToPointer <T>)emit.CreateDelegate(typeof(Serializer.WriteToPointer <T>), out instructions);
int? successLength = null;
for (int i = 1; i <= maxLength; i++)
{
for (int j = 0; j < buffer.Length; j++)
{
buffer[j] = init;
}
int result;
fixed(byte *ptr = buffer)
{
result = del.Invoke(ref value, ptr + 1, i);
}
// make sure we didn't go past the boundary
Assert.Equal(init, buffer[0]);
Assert.Equal(init, buffer[i + 1]);
Assert.True(result <= i, "Don't exceed length");
if (result > 0)
{
Assert.Equal(nJSON, buffer.Skip(1).Take(result));
if (successLength == null)
{
successLength = i;
}
}
}
if (successLength.HasValue)
{
emit = DelegateBuilder.CreateStream <T>(Schema.Reflect(typeof(T)));
var streamer = (Serializer.WriteToStream <T>)emit.CreateDelegate(typeof(Serializer.WriteToStream <T>), out instructions);
var min = Math.Max(nJSON.Length / 2, 32);
var ms = new MemoryStream(nJSON.Length);
// do stuff with the stream version now
for (int i = nJSON.Length; i >= min; i--)
{
ms.SetLength(0);
buffer = new byte[i];
fixed(byte *ptr = buffer)
{
streamer.Invoke(ref value, ptr, ms, buffer);
}
Assert.Equal(nJSON, ms.GetBuffer().Take((int)ms.Length));
}
}
return(successLength);
}
