;;; Commentary:
;; Tests my parser for a subset of the C programming language.
;;; Code:

(define-module (test cpp)
  :use-module (srfi srfi-64)
  :use-module (srfi srfi-88)
  :use-module ((c lex) :select (lex))
  :use-module ((c parse) :select (parse-lexeme-tree)))

(define run (compose parse-lexeme-tree lex))

(test-equal
  '(+ (post-increment (dereference C)) 3)
  (run "(*C)++ + 3"))

(test-equal
  '(+ (post-increment (dereference C)) 3)
  (run "*C++ + 3"))

(test-equal
  '(post-increment (dereference C))
  (run "*C++"))

(test-equal
  '(+ (post-increment C) (post-increment C))
  (run "C++ + C++"))

(test-equal
  '(+ (pre-increment C) (pre-increment C))
  (run "++C + ++C"))

(test-equal '(+ 2 (* 2 2)) (run "2 + 2 * 2"))

(test-equal '(+ (* 2 2) 2) (run "2 * 2 + 2"))

(test-equal '(+ 2 2 2) (run "2+2+2"))