public void Seek_UpdatesPosition()
{
IInputReader stream = new StringInputReader("abc");
Position position = stream.GetPosition();
stream.Read();
stream.Read();
stream.Seek(position);
Position newPosition = stream.GetPosition();
Assert.AreEqual(position, newPosition);
char result = (char)stream.Read();
Assert.AreEqual('a', result);
}
public void GetPosition_NothingRead()
{
IInputReader stream = new StringInputReader("");
Position position = stream.GetPosition();
Assert.AreEqual(0, position.Offset, "offset");
Assert.AreEqual(1, position.Line, "Line");
Assert.AreEqual(1, position.Column, "Column");
}
public void GetPosition_Read_DoesNotUpdateReturnedPosition()
{
IInputReader stream = new StringInputReader("abc");
Position position = stream.GetPosition();
stream.Read();
Assert.AreEqual(0, position.Offset, "Offset");
Assert.AreEqual(1, position.Line, "Line");
Assert.AreEqual(1, position.Column, "Column");
}
public void GetPosition_ReadChar()
{
IInputReader stream = new StringInputReader("abc\nxyz");
stream.Read();
Position position = stream.GetPosition();
Assert.AreEqual(1, position.Offset, "offset");
Assert.AreEqual(1, position.Line, "Line");
Assert.AreEqual(2, position.Column, "Column");
}