public void DoubleTest()
        {
            MsgPackWriter writer = new MsgPackWriter(Allocator.Temp);

            writer.WriteDouble(double.MinValue);
            writer.WriteDouble(double.MaxValue);
            writer.WriteDouble(double.Epsilon);

            MsgPackReader reader = new MsgPackReader(writer.ToArray(Allocator.Temp));

            Assert.That(reader.ReadDouble(), Is.EqualTo(double.MinValue));
            Assert.That(reader.ReadDouble(), Is.EqualTo(double.MaxValue));
            Assert.That(reader.ReadDouble(), Is.EqualTo(double.Epsilon));
        }