Arithmetica.Tests.Tokenization.Rewriting.NegationRewriterTests.NegationRewriter_Can_Rewrite_Subtraction_Token_If_Preceeded_By_Opening_Parenthesis C# (CSharp) Метод

        public void NegationRewriter_Can_Rewrite_Subtraction_Token_If_Preceeded_By_Opening_Parenthesis()
        {
            // 3+(-2)
            List<Token> tokens = new List<Token> {
                new Token(TokenType.Numeric, 3),
                new Token(TokenType.Addition, "+"),
                new Token(TokenType.OpeningParenthesis, "("),
                new Token(TokenType.Subtraction, "-"),
                new Token(TokenType.Numeric, "3"),
                new Token(TokenType.ClosingParenthesis, ")")
            };
            TokenStream stream = new TokenStream(tokens, TokenNotation.Infix);
            TokenPipeline pipeline = new TokenPipeline(new NegationRewriter());
            var result = pipeline.Process(stream);
            Assert.AreEqual(6, result.Count);
            Assert.AreEqual(TokenType.Negation, result[3].Type);
        }