public void NoEscapesReturnsNull()
{
String input = "\"some string\"";
var parser = new RStringScanner(input);
Assert.Equal(null, parser.Next());
}
public void U1EscapeSequenceIsExtracted()
{
String input = "\"" + @"some\uAstring" + "\"";
var parser = new RStringScanner(input);
Assert.Equal(new StringPart(5, 3), 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());
}
