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misc-tests.lisp
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misc-tests.lisp
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(in-package #:polymorphic-functions)
(5am:in-suite :polymorphic-functions)
(defmacro ignoring-error-output (&body body)
`(let ((*error-output* (make-string-output-stream))
(*disable-static-dispatch* nil))
(handler-bind ((warning #'muffle-warning))
,@body)))
;; unwind-protect (apparantly) does not have an effect in the def-test forms below :/
(def-test required-args-correctness ()
(ignoring-error-output
(eval `(progn
(define-polymorphic-function my= (a b) :overwrite t)
(defpolymorph my= ((a string) (b string)) boolean
(return-from my= (string= a b)))
(defpolymorph my= ((a number) (b number)) boolean
(= a b)))))
(ignoring-error-output
(eval `(let ((obj1 "hello")
(obj2 "world")
(obj3 "hello")
(obj4 5)
(obj5 5.0))
(is (eq t (my= obj1 obj3)))
(is (eq nil (my= obj1 obj2)))
(is (eq t (my= obj4 obj5)))
(is-error (my= obj1 obj4)))))
(undefine-polymorphic-function 'my=))
(def-test optional-args-correctness ()
(ignoring-error-output
(eval `(progn ; This requires SBCL version 2.0.9+
(define-polymorphic-function bar (a &optional b c) :overwrite t)
(defpolymorph bar ((str string) &optional ((b integer) 5) ((c integer) 7)) t
(list str b c)))))
(is (equal (eval `(bar "hello"))
'("hello" 5 7)))
(is (equal (eval `(bar "hello" 6))
'("hello" 6 7)))
(is (equal (eval `(bar "hello" 6 9))
'("hello" 6 9)))
(undefine-polymorphic-function 'bar))
(def-test typed-key-correctness ()
(ignoring-error-output
(eval `(progn
(define-polymorphic-function foobar (a &key key b) :overwrite t)
(defpolymorph foobar ((str string) &key ((key number) 5) ((b string) "world")) t
(declare (ignore str))
(list 'string key b))
(defpolymorph foobar ((num number) &key ((key number) 6) ((b string) "world")) t
(declare (ignore num))
(list 'number key b)))))
(is (equal '(string 5 "world") (eval `(foobar "hello"))))
(is (equal '(string 5.6 "world") (eval `(foobar "hello" :key 5.6))))
(is (equal '(number 6 "world") (eval `(foobar 5.6))))
(is (equal '(number 9 "world") (eval `(foobar 5.6 :key 9))))
(is (equal '(number 6 "bye") (eval `(foobar 5.6 :b "bye"))))
(is (equal '(number 4.4 "bye") (eval `(foobar 5.6 :b "bye" :key 4.4))))
(undefine-polymorphic-function 'foobar))
(def-test rest-correctness-1 ()
(ignoring-error-output
(eval `(define-polymorphic-function my+ (arg &rest args) :overwrite t))
(eval `(progn
(defpolymorph my+ ((num number) &rest numbers) number
(if numbers
(+ num (apply 'my+ numbers))
num))
(defpolymorph my+ ((l list) &rest lists) list
(apply 'append l lists))
(defpolymorph my+ ((str string) (num number) &key ((coerce t) nil)) string
(if coerce
(uiop:strcat str (write-to-string num))
str)))))
(is (eq 9 (eval `(my+ 2 3 4))))
(is (equal '(1 2 3) (eval `(my+ '(1 2) '(3)))))
#+(or sbcl ccl ecl cmucl)
(is (string= "hello5" (eval `(my+ "hello" 5 :coerce t))))
(undefine-polymorphic-function 'my+))
(def-test rest-correctness-2 ()
(ignoring-error-output
(unwind-protect
(progn
(eval
`(progn
(define-polymorphic-function rest-tester (a &rest args) :overwrite t)
(defpolymorph rest-tester ((a number) &key ((b number) 0)) number
(+ a b))
(defpolymorph rest-tester ((a number) (b number) &key ((c number) 0)) number
(+ a b c)))))
(is (= 4 (eval `(rest-tester 4))))
(is (= 6 (eval `(rest-tester 4 :b 2))))
(is (= 6 (eval `(rest-tester 4 2))))
(is (= 8 (eval `(rest-tester 4 2 :c 2)))))))
(def-test undefpolymorph ()
(ignoring-error-output
(eval '(define-polymorphic-function undefpolymorph-tester (a) :overwrite t))
(eval '(progn
(defpolymorph undefpolymorph-tester ((a list)) symbol
(declare (ignore a))
'list)
(defpolymorph undefpolymorph-tester ((a string)) symbol
(declare (ignore a))
'string)))
(eval `(locally (declare (notinline undefpolymorph-tester))
(is (equal 'list (undefpolymorph-tester '(a))))
(is (equal 'string (undefpolymorph-tester "hello")))
(undefpolymorph 'undefpolymorph-tester '(list))
(is-error (undefpolymorph-tester '(a)))
(is (equal 'string (undefpolymorph-tester "hello")))))
(undefine-polymorphic-function 'fmakunbound-tester)))
(def-test undefine-polymorphic-function ()
(ignoring-error-output
(eval '(progn
(define-polymorphic-function undefine-polymorphic-function-tester (a) :overwrite t)
(defpolymorph undefine-polymorphic-function-tester ((a list)) symbol
(declare (ignore a))
'list)
(defpolymorph undefine-polymorphic-function-tester ((a string)) symbol
(declare (ignore a))
'string)))
(eval `(locally (declare (notinline undefine-polymorphic-function-tester))
(is (equal 'list (undefine-polymorphic-function-tester '(a))))
(is (equal 'string (undefine-polymorphic-function-tester "hello")))
(undefine-polymorphic-function 'undefine-polymorphic-function-tester)
(is-error (undefine-polymorphic-function-tester '(a)))
(is-error (undefine-polymorphic-function-tester "hello"))))
(undefine-polymorphic-function 'undefine-polymorphic-function-tester)))
(def-test ambiguous-type-lists ()
(ignoring-error-output
(eval `(progn
(undefine-polymorphic-function 'ambiguous-type-lists-tester)
(define-polymorphic-function ambiguous-type-lists-tester (&key a) :overwrite t)
(defpolymorph ambiguous-type-lists-tester (&key ((a string) "")) t
(declare (ignore a)))))
(is-error (eval `(defpolymorph ambiguous-type-lists-tester (&key ((a (or simple-string number)) 5)) t
(declare (ignore a)))))
(is-error (eval `(defpolymorph ambiguous-type-lists-tester
(&key ((a (and array (not string))) #())) t
(declare (ignore a)))))
(eval `(undefpolymorph 'ambiguous-type-lists-tester
'(&key (:a (and array (not string))))))
(eval `(undefpolymorph 'ambiguous-type-lists-tester
'(&key (:a string))))
(5am:is-true (eval `(defpolymorph ambiguous-type-lists-tester (&key ((a array) #())) t
(declare (ignore a)))))
(5am:is-true (eval `(defpolymorph ambiguous-type-lists-tester (&key ((a string) "")) t
(declare (ignore a)))))
(eval `(undefine-polymorphic-function 'ambiguous-type-lists-tester))))
(def-test specialized-type-lists ()
(ignoring-error-output
(eval `(progn
(undefine-polymorphic-function 'most-specialized-polymorph-tester)
(define-polymorphic-function most-specialized-polymorph-tester (a))
(defpolymorph most-specialized-polymorph-tester ((a string)) symbol
(declare (ignore a))
'string)
(defpolymorph most-specialized-polymorph-tester ((a array)) symbol
(declare (ignore a))
'array)))
(eval `(let ((a "string")
(b #(a r r a y)))
(5am:is-true (eq 'string (most-specialized-polymorph-tester a)))
(5am:is-true (eq 'array (most-specialized-polymorph-tester b)))))
(eval `(undefine-polymorphic-function 'most-specialized-polymorph-tester))))
(def-test once-only ()
(ignoring-error-output
(eval `(progn
(define-polymorphic-function my= (&key a b) :overwrite t)
(defpolymorph my= (&key ((a number) 0) ((b number) 0)) boolean
(= a b)))))
(is (= 3 (eval `(let ((a 1))
(my= :a (incf a) :b (incf a))
a))))
(undefine-polymorphic-function 'my=))
(def-test setf-polymorphs ()
(ignoring-error-output
(eval `(progn
(define-polymorphic-function (setf foo) (a b) :overwrite t)
(defpolymorph (setf foo) ((a number) (b number)) t
(list a b)))))
(is (equal '(2 3) (eval '(funcall #'(setf foo) 2 3))))
(undefine-polymorphic-function '(setf foo)))
(def-test return-type-check ()
(ignoring-error-output
(eval `(progn
(defun my-identity (x) x)
(define-polymorphic-function foo (x) :overwrite t))))
;; Basic
(5am:is-true (eval `(defpolymorph foo ((x string)) string x)))
(5am:is-true (eval `(defpolymorph foo ((x string)) string (my-identity x))))
(5am:is-true (eval `(defpolymorph foo ((x string))
(values string number)
(values x 5 #\a))))
;; Optional
(5am:is-true (eval `(defpolymorph foo ((x string))
(values string number &optional)
(values x 5))))
;; Rest
(5am:is-true (eval `(defpolymorph foo ((x string))
(values string number &rest t)
(values x 5))))
(5am:is-true (eval `(defpolymorph foo ((x string))
(values string number &rest t)
(values x 5 #\a))))
;; Optional and Rest
(5am:is-true (eval `(defpolymorph foo ((x string))
(values string number &optional character &rest t)
(values x 5 #\a))))
(5am:is-true (eval `(defpolymorph foo ((x string))
(values string number &optional character &rest t)
(values x 5))))
(5am:is-true (eval `(defpolymorph foo ((x string))
(values string number &optional character &rest t)
(values x 5 #\a ""))))
(undefine-polymorphic-function 'foo)
(fmakunbound 'my-identity))