public void U4EscapeSequenceIsExtracted()
{
String input = "\"" + @"some\uABCDstring" + "\"";
var parser = new RStringScanner(input);
Assert.Equal(new StringPart(5,6), parser.Next());
Assert.Equal(null, parser.Next());
}
public void EscapeInSingleQuotesIsExtracted()
{
String input = @"'some\rstring'";
var parser = new RStringScanner(input);
Assert.Equal(new StringPart(5,2), parser.Next());
Assert.Equal(null, parser.Next());
}
public void EscapedBackslashIsExtractedCorrectly()
{
String input = "\"" + @"some\\string" + "\"";
var parser = new RStringScanner(input);
Assert.Equal(new StringPart(5,2), parser.Next());
Assert.Equal(null, parser.Next());
}
public void TwoSeparateEscapeSequencesAreExtracted()
{
String input = "\"" + @"some\rother\nstring" + "\"";
var parser = new RStringScanner(input);
Assert.Equal(new StringPart(5,2), parser.Next());
Assert.Equal(new StringPart(12,2), parser.Next());
Assert.Equal(null, parser.Next());
}
public void NoEscapesReturnsNull()
{
String input = "\"some string\"";
var parser = new RStringScanner(input);
Assert.Equal(null, parser.Next());
}
public void UpperUBracesEscapeSequenceIsExtracted()
{
String input = "\"" + @"some\U{A12}string" + "\"";
var parser = new RStringScanner(input);
Assert.Equal(new StringPart(5,7), parser.Next());
Assert.Equal(null, parser.Next());
}
