public async Task DoubleTest()
{
MemoryStream memStream = new MemoryStream();
BigEndianStream bigEndianStream = new BigEndianStream(memStream);
var testByte1 = double.MaxValue;
var testByte2 = double.MinValue;
await bigEndianStream.WriteAsync(testByte1);
await bigEndianStream.WriteAsync(testByte2);
memStream.Seek(0, SeekOrigin.Begin);
Assert.AreEqual(await bigEndianStream.ReadDoubleAsync(), testByte1);
Assert.AreEqual(await bigEndianStream.ReadDoubleAsync(), testByte2);
Assert.AreEqual(memStream.Position, memStream.Length);
}