public void SimpleEscapeSequenceIsExtracted()
{
String input = @"'some\rstring'";
var parser = new CssEscapeSequenceParser(input);
Assert.Equal(new Span(5,2), parser.Next());
Assert.Equal(null, parser.Next());
}
public void HexEscapeSequenceLen6IsExtracted()
{
String input = @"'some\123456eabfnstring'";
var parser = new CssEscapeSequenceParser(input);
Assert.Equal(new Span(5,7), parser.Next());
Assert.Equal(null, parser.Next());
}
public void TwoEscapeSequencesAreExtracted()
{
String input = @"'some\r\nstring'";
var parser = new CssEscapeSequenceParser(input);
Assert.Equal(new Span(5,2), parser.Next());
Assert.Equal(new Span(7,2), parser.Next());
Assert.Equal(null, parser.Next());
}
public void NoEscapesReturnsNull()
{
String input = "'some string'";
var parser = new CssEscapeSequenceParser(input);
Assert.Equal(null, parser.Next());
}