public void ReadBytes_FillBufferWithPartialCharacter()
{
// Reading a multi-byte character into a buffer that is too small requires us to buffer
// the result from the text reader, since we're only returning part of a character.
// So this test is to make sure we're doing that.
// This character should be encoded into three bytes for UTF8.
const string inputString = "☃";
Assert.AreEqual(3, Encoding.UTF8.GetBytes(inputString).Length);
using (var stream = new TextReaderStream(new StringReader(inputString)))
{
var buffer = new byte[3];
int readCount = stream.Read(buffer, 0, 2);
Assert.AreEqual(2, readCount);
int secondReadCount = stream.Read(buffer, 2, 999);
Assert.AreEqual(1, secondReadCount);
var streamText = Encoding.UTF8.GetString(buffer);
Assert.AreEqual(inputString, streamText);
}
}
public void Dispose_ThenReadThrowsObjectDisposedException()
{
var stream = new TextReaderStream(new StringReader(string.Empty));
stream.Dispose();
Assert.Throws <ObjectDisposedException>(() => stream.Read(new byte[10], 0, 10));
}