(defun run-unit-test (unit-test)
  (if (funcall unit-test)
    (progn
      (print (cons t unit-test))
      t
    )
    (progn
      (print (cons 'f unit-test))
      nil
    )
  )
)

(defun run-test-suite (test-suite)
  (if test-suite
    (cons
      (run-unit-test (car test-suite))
      (run-test-suite (cdr test-suite))
    )
  )
)

(defun unit (test-suite)
  (eval (cons 'and (run-test-suite test-suite)))
)

(defun assert (comparison expected actual)
  (if (funcall comparison expected actual)
    t
    (progn
      (print (list expected 'is 'not comparison actual))
      nil
    )
  )
)

(defun assert= (expected actual)
  (assert '= expected actual)
)

(defun assert-equal (expected actual)
  (assert 'equal expected actual)
)