public void WriteOverMiddleBoundryOfBothStreamsWithSeekDisabled()
{
// Arrange
byte[] result = new byte[1046];
byte[] buffer1 = Encoding.ASCII.GetBytes("123");
byte[] buffer2 = Encoding.ASCII.GetBytes("456");
byte[] bufferToWrite = Encoding.ASCII.GetBytes("abcdef");
MemoryStream stream1 = new MemoryStream(buffer1);
MemoryStream stream2 = new MemoryStream(buffer2);
ConcatStream streamToTest = new ConcatStream(stream1, stream2);
// Act
streamToTest.Write(bufferToWrite, 0, bufferToWrite.Length);
//Assert
string actual = streamToTest.ToString();
Assert.IsFalse(streamToTest.CanSeek);
for (int i = 0; i < bufferToWrite.Length; i++)
{
Assert.AreEqual(actual[i], bufferToWrite[i]);
}
}