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); }