Advance() public method

public Advance ( ) : TokenStream
return TokenStream
TokenStream Class Documentation
Example #1
0
        public void AllowsRepeatableTraversalWhileTraversingUnderlyingEnumeratorItemsAtMostOnce()
        {
            var tokens = new TokenStream(Tokens());

            tokens.Current.ShouldEqual(upper, "ABC", 1, 1);
            tokens.Advance().Current.ShouldEqual(lower, "def", 1, 4);
            tokens.Advance().Advance().Current.ShouldEqual(upper, "GHI", 1, 7);
            tokens.Advance().Advance().Advance().Current.ShouldEqual(TokenKind.EndOfInput, "", 1, 10);

            tokens.Advance().ShouldBeSameAs(tokens.Advance());
        }
Example #2
0
        public void ProvidesEndOfInputTokenWhenGivenEmptyEnumerator()
        {
            var tokens = new TokenStream(Empty());

            tokens.Current.ShouldEqual(TokenKind.EndOfInput, "", 1, 1);
            tokens.Advance().ShouldBeSameAs(tokens);
        }
Example #3
0
        public void ProvidesEndOfInputTokenAfterEnumeratorIsExhausted()
        {
            var tokens = new TokenStream(OneToken());
            var end = tokens.Advance();

            end.Current.ShouldEqual(TokenKind.EndOfInput, "", 1, 4);
            end.Advance().ShouldBeSameAs(end);
        }
Example #4
0
 public void AdvancesToTheNextToken()
 {
     var tokens = new TokenStream(Tokens());
     tokens.Advance().Current.ShouldEqual(lower, "def", 1, 4);
 }
Example #5
0
 public void TryingToAdvanceBeyondEndOfInputResultsInNoMovement()
 {
     var tokens = new TokenStream(Empty());
     tokens.ShouldBeSameAs(tokens.Advance());
 }
Example #6
0
        public void ProvidesPositionOfCurrentToken()
        {
            var tokens = new TokenStream(Tokens());

            tokens.Position.Line.ShouldEqual(1);
            tokens.Position.Column.ShouldEqual(1);

            tokens.Advance().Position.Line.ShouldEqual(1);
            tokens.Advance().Position.Column.ShouldEqual(4);

            tokens.Advance().Advance().Position.Line.ShouldEqual(1);
            tokens.Advance().Advance().Position.Column.ShouldEqual(7);

            tokens.Advance().Advance().Advance().Position.Line.ShouldEqual(1);
            tokens.Advance().Advance().Advance().Position.Column.ShouldEqual(10);
        }