Exemplos de FilterLexer.LookAhead em C# (CSharp)

Exemplo n.º 1

Arquivo: FilterLexerTest.cs Projeto: citizenmatt/gallio

        public void EmptyExpressionsAreNotValid(string filter)
        {
            FilterLexer lexer = new FilterLexer(filter);

            Assert.IsNotNull(lexer);
            Assert.Count(0, lexer.Tokens);
            Assert.IsNull(lexer.GetNextToken());
            Assert.IsNull(lexer.LookAhead(1));
            Assert.IsNull(lexer.GetNextToken());
        }

Exemplo n.º 2

Arquivo: FilterLexerTest.cs Projeto: citizenmatt/gallio

        public void GetNextTokenLookAheadWithOneToken()
        {
            FilterLexer lexer = new FilterLexer("a");

            Assert.IsNotNull(lexer);
            Assert.Count(1, lexer.Tokens);
            Assert.IsNull(lexer.LookAhead(0));
            Assert.IsNotNull(lexer.LookAhead(1));
            Assert.IsNull(lexer.LookAhead(2));
            Assert.IsNotNull(lexer.GetNextToken());
            Assert.IsNotNull(lexer.LookAhead(0));
            Assert.IsNull(lexer.LookAhead(1));
            Assert.IsNull(lexer.GetNextToken());
            Assert.IsNull(lexer.LookAhead(0));
            Assert.IsNull(lexer.LookAhead(1));
        }

Exemplo n.º 3

Arquivo: FilterLexerTest.cs Projeto: citizenmatt/gallio

        public void GetNextTokenAndLookAheadWithTwoTokens()
        {
            FilterLexer lexer = new FilterLexer("a:");

            Assert.IsNotNull(lexer);
            Assert.Count(2, lexer.Tokens);
            Assert.IsNull(lexer.LookAhead(0));
            Assert.IsNotNull(lexer.LookAhead(1));
            Assert.IsNotNull(lexer.LookAhead(2));
            Assert.IsNull(lexer.LookAhead(3));
            Assert.IsNotNull(lexer.GetNextToken());
            Assert.IsNotNull(lexer.LookAhead(0));
            Assert.IsNotNull(lexer.LookAhead(1));
            Assert.IsNull(lexer.LookAhead(2));
            Assert.IsNotNull(lexer.GetNextToken());
            Assert.IsNotNull(lexer.LookAhead(0));
            Assert.IsNull(lexer.LookAhead(1));
            Assert.IsNull(lexer.LookAhead(2));
            Assert.IsNull(lexer.GetNextToken());
            Assert.IsNull(lexer.LookAhead(0));
            Assert.IsNull(lexer.LookAhead(1));
        }