public void ReturnCharsInCorrectOrder()
{
var text = "abc";
var sut = new TextWindow(text);
Assert.Equal('a', sut.PeekChar());
sut.ConsumeChar();
Assert.Equal('b', sut.PeekChar());
sut.ConsumeChar();
Assert.Equal('c', sut.PeekChar());
sut.ConsumeChar();
Assert.True(sut.IsEof());
}
public void ReturnEofGivenEmptyText()
{
var sut = new TextWindow("");
Assert.True(sut.IsEof());
}
public void ReturnNotEofGivenNonEmptyText()
{
var sut = new TextWindow("Text.");
Assert.False(sut.IsEof());
}