public void TryGetToken_ReturnsFailureResult_WhenStringStreamIsNull()
{
var parser = new CharacterParser(_primitiveParser);
var result = parser.TryGetToken(null, out _);
Assert.IsInstanceOf <FailureParseResult>(result);
}
public void TryGetToken_ReturnsSuccessResult_WhenInputIsClassRange()
{
_primitiveParser.TryParseCharacterRange(Arg.Any <IStringStream>()).Returns(_classRangeParserSuccess);
var parser = new CharacterParser(_primitiveParser);
var result = parser.TryGetToken(_stream, out _);
Assert.IsTrue(result.IsSuccess);
_primitiveParser.Received(1).TryParseCharacterRange(Arg.Any <IStringStream>());
_primitiveParser.Received(0).TryParseCharacter(Arg.Any <IStringStream>());
}
