private SyntaxNode ReadParenthesizedExpression() { tokens.AssertCanRead(); tokens.AssertNextIsTypeOf(TokenType.LeftParentheses); SyntaxNode expression = ReadExpression(); tokens.AssertCanRead(); tokens.AssertNextIsTypeOf(TokenType.RightParentheses); return(new ParenthesesNode(expression)); }
public void AssertNextIsTypeOf_AdditionToken_ThrowsException() { Tokens tokens = new Tokens(new List <Token> { new Token(TokenType.Addition) }); Assert.Throws <UnexpectedTokenException>(() => tokens.AssertNextIsTypeOf(TokenType.Subtraction)); }