private void PerformSerializationVersionsTestOnField(FieldInfo field, Type type)
{
var versionNumbers = field.FieldType.FullName == "System.Byte[]" ? (byte[])field.GetValue(null) : null;
if (versionNumbers == null)
{
// This is not a VERSION_NUMBERS field, move along
return;
}
// Test all the defined version numbers may be serialised and deserialised
foreach (var versionNumber in versionNumbers)
{
var writer = new TestBinaryWriter();
writer.WriteByte(versionNumber);
var reader = new TestBinaryReader(writer._stream.BaseStream as MemoryStream);
var item = Activator.CreateInstance(type) as IBinarizable;
item.Should().NotBeNull();
Action act = () => item.ReadBinary(reader);
act.Should().NotThrow <TRexSerializationVersionException>();
}
}
private void PerformSerializationVersionTestOnField(FieldInfo field, Type type)
{
uint versionNumber = field.FieldType.FullName == "System.Byte" ? (byte)field.GetValue(null)
: field.FieldType.FullName == "System.UInt32" ? (ushort)field.GetValue(null)
: field.FieldType.FullName == "System.UInt16" ? (uint)field.GetValue(null)
: uint.MaxValue;
if (versionNumber == uint.MaxValue)
{
// This is not a VERSION_NUMBER field, move along
return;
}
var expectedVersions = new[] { versionNumber };
var writer = new TestBinaryWriter();
writer.WriteByte((byte)(versionNumber + 1));
var reader = new TestBinaryReader(writer._stream.BaseStream as MemoryStream);
var item = Activator.CreateInstance(type);
item.Should().NotBeNull();
Action act = null;
if (item is IVersionCheckedBinarizableSerializationBase versionCheckedItem)
{
act = () => versionCheckedItem.InternalFromBinary(reader);
}
else if (item is IBinarizable binarizableItem)
{
act = () => binarizableItem.ReadBinary(reader);
}
act.Should().Throw <TRexSerializationVersionException>().WithMessage("Invalid version read during deserialization*"); //TRexSerializationVersionException.ErrorMessage(expectedVersions, versionNumber + 1));
}