public void Union_2Items_Table_SerializationTest()
{
byte[] expectedData =
{
4, 0, 0, 0, // offset to table
244, 255, 255, 255, // soffset to vtable
1, // discriminator (1 byte)
0, 0, 0, // padding
12, 0, 0, 0, // uoffset_t to table data
8, 0, // vtable length
12, 0, // table length
4, 0, // discriminator offset
8, 0, // value offset
// table data
248, 255, 255, 255, // soffset to vtable
123, 0, 0, 0, // value of index 0
6, 0, // vtable length
8, 0, // table length
4, 0 // offset of index 0
};
var union = new UnionTable <SimpleTable, SimpleStruct>
{
Item = new FlatBufferUnion <SimpleTable, SimpleStruct>(new SimpleTable {
Int = 123
})
};
Span <byte> data = new byte[100];
int count = FlatBufferSerializer.Default.Serialize(union, data);
Assert.IsTrue(expectedData.AsSpan().SequenceEqual(data.Slice(0, count)));
}
public void Union_Struct_Location()
{
var location = new Location
{
X = 1.0f, Y = 2.0f, Z = 3.0f
};
var table = new UnionTable
{
Union = new FlatBufferUnion <BasicTypes, Location, string>(location)
};
Span <byte> memory = new byte[10240];
int size = FlatBufferSerializer.Default.Serialize(table, memory);
var oracle = Oracle.UnionTable.GetRootAsUnionTable(
new FlatBuffers.ByteBuffer(memory.Slice(0, size).ToArray()));
Assert.AreEqual(2, (int)oracle.ValueType);
var bt = oracle.Value <Oracle.Location>().Value;
Assert.AreEqual(bt.X, location.X);
Assert.AreEqual(bt.Y, location.Y);
Assert.AreEqual(bt.Z, location.Z);
}
public void Union_2Items_Struct_SerializationTest()
{
byte[] expectedData =
{
4, 0, 0,0, // offset to table
246, 255, 255,255, // soffset to vtable
16, 0, 0,0, // uoffset_t to struct data
2, 0, // discriminator (1 byte), padding
8, 0, // vtable length
9, 0, // table length
8, 0, // discriminator offset
4, 0, // value offset
0, 0, // padding
// struct data
123, 0, 0,0, 0, 0, 0, 0
};
var union = new UnionTable <string, SimpleStruct>
{
Item = new FlatBufferUnion <string, SimpleStruct>(new SimpleStruct {
Long = 123
})
};
Span <byte> data = new byte[100];
int count = FlatBufferSerializer.Default.Serialize(union, data);
Assert.IsTrue(expectedData.AsSpan().SequenceEqual(data.Slice(0, count)));
}
public void Union_Table_BasicTypes()
{
var simple = new BasicTypes
{
Bool = true,
Byte = GetRandom <byte>(),
SByte = GetRandom <sbyte>(),
Double = GetRandom <double>(),
Float = GetRandom <float>(),
Int = GetRandom <int>(),
Long = GetRandom <long>(),
Short = GetRandom <short>(),
String = "foobar",
UInt = GetRandom <uint>(),
ULong = GetRandom <ulong>(),
UShort = GetRandom <ushort>(),
};
var table = new UnionTable
{
Union = new FlatBufferUnion <BasicTypes, Location, string>(simple)
};
Span <byte> memory = new byte[10240];
int size = FlatBufferSerializer.Default.Serialize(table, memory);
var oracle = Oracle.UnionTable.GetRootAsUnionTable(
new FlatBuffers.ByteBuffer(memory.Slice(0, size).ToArray()));
Assert.AreEqual(1, (int)oracle.ValueType);
var bt = oracle.Value <Oracle.BasicTypes>().Value;
Assert.IsTrue(bt.Bool);
Assert.AreEqual(bt.Byte, simple.Byte);
Assert.AreEqual(bt.SByte, simple.SByte);
Assert.AreEqual(bt.UShort, simple.UShort);
Assert.AreEqual(bt.Short, simple.Short);
Assert.AreEqual(bt.UInt, simple.UInt);
Assert.AreEqual(bt.Int, simple.Int);
Assert.AreEqual(bt.ULong, simple.ULong);
Assert.AreEqual(bt.Long, simple.Long);
Assert.AreEqual(bt.Float, simple.Float);
Assert.AreEqual(bt.Double, simple.Double);
Assert.AreEqual(bt.String, simple.String);
}
public void Union_NotSet()
{
var table = new UnionTable
{
Union = null,
};
Span <byte> memory = new byte[10240];
int size = FlatBufferSerializer.Default.Serialize(table, memory);
var oracle = Oracle.UnionTable.GetRootAsUnionTable(
new FlatBuffers.ByteBuffer(memory.Slice(0, size).ToArray()));
Assert.AreEqual(0, (int)oracle.ValueType);
}
private static T2 CreateAndDeserialize2 <T1, T2>(T1 one, T2 two)
{
var table = new UnionTable <T1, T2>
{
Item = new FlatBufferUnion <T1, T2>(two)
};
byte[] buffer = new byte[1024];
FlatBufferSerializer.Default.Serialize(table, buffer);
var parseResult = FlatBufferSerializer.Default.Parse <UnionTable <T1, T2> >(buffer);
Assert.AreEqual(2, parseResult.Item.Discriminator);
return(parseResult.Item.Item2);
}
public void Union_String()
{
var table = new UnionTable
{
Union = new FlatBufferUnion <BasicTypes, Location, string>("foobar")
};
Span <byte> memory = new byte[10240];
int size = FlatBufferSerializer.Default.Serialize(table, memory);
var oracle = Oracle.UnionTable.GetRootAsUnionTable(
new FlatBuffers.ByteBuffer(memory.Slice(0, size).ToArray()));
// There is nothing to assert here, since the google C# SDK does not support reading strings
// out of a union. All indications are that we are doing it right, but there's no way to test
// this particular scenario.
Assert.AreEqual(3, (int)oracle.ValueType);
Assert.Inconclusive();
}
