Redid package system unit tests.

[clinton/parenscript.git] / t / ps-tests.lisp

(in-package :ps-test)
;; Other tests not in the reference

(eval-when (:compile-toplevel :load-toplevel :execute)
  (def-suite ps-tests))
(in-suite ps-tests)

(test-ps-js plus-is-not-commutative
   (setf x (+ "before" x "after"))
   "x = 'before' + x + 'after';")

(test-ps-js plus-works-if-first
   (setf x (+ x "middle" "after"))
   "x += 'middle' + 'after';")

(test-ps-js setf-side-effects
            (progn
              (let ((x 10))
                (defun side-effect() 
                  (setf x 4)
                  (return 3))
                (setf x (+ 2 (side-effect) x 5))))
            "
var x = 10;
function sideEffect() {
  x = 4;
  return 3;
};
x = 2 + sideEffect() + x + 5;")
;; Parenscript used to optimize to much:
;;   var x = 10;
;;   function sideEffect() {
;;     x = 4;
;;     return 3;
;;   };
;;   x += 2 + sideEffect() + 5;
;;
;;   Which is 20, not 14


(test-ps-js dot-notation-bug
            (.match (+ "" x) "foo")
            "('' + x).match('foo')")

(test-ps-js method-call-op-form (.to-string (+ "" x)) "('' + x).toString()")
(test-ps-js method-call-number (.to-string 10) "( 10 ).toString()")
(test-ps-js method-call-string (.to-string "hi") "'hi'.toString()")
(test-ps-js method-call-lit-object
            (.to-string (create :to-string (lambda ()
					     (return "it works"))))
            "( { toString : function () { return 'it works'; } } ).toString()")

(test-ps-js method-call-variable
            (.to-string x)
            "x.toString()")

(test-ps-js method-call-array
            (.to-string (list 10 20))
            "[ 10, 20 ].toString()")
(test-ps-js method-call-fn-call
            (.to-string (foo))
            "foo().toString()")
(test-ps-js method-call-lambda-fn
            (.to-string (lambda () (alert 10)))
            "( function () { alert(10); } ).toString()")
(test-ps-js method-call-lambda-call
            (.to-string ((lambda (x) (return x)) 10))
            "(function (x) { return x; }) (10).toString()")

(test no-whitespace-before-dot
  (let* ((str (compile-script '(.to-string ((lambda (x) (return x)) 10))))
         (dot-pos (position #\. str :test #'char=))
         (char-before (elt str (1- dot-pos)))
         (a-parenthesis #\)))
    (is (char= char-before a-parenthesis))))

;; A problem with long nested operator, when the statement spanned several rows
;; the rows would not be joined together correctly.
(test-ps-js bug-dwim-join
   (alert (html ((:div :id 777
                       :style (css-inline :border "1pxsssssssssss"
                                          :font-size "x-small"
                                          :height (* 2 200)
                                          :width (* 2 300))))))
   "alert
('<div id=\"777\" style=\"'
 + ('border:1pxsssssssssss;font-size:x-small;height:' + 2 * 200 + ';width:'
 + 2 * 300)
 + '\"></div>')") ;";This line should start with a plus character.


(test-ps-js simple-slot-value
  (let ((foo (create :a 1)))
   (alert (slot-value foo 'a)))
  "var foo = { a : 1 };
   alert(foo.a);")

(test-ps-js buggy-slot-value
   (let ((foo (create :a 1))
        (slot-name "a"))
    (alert (slot-value foo slot-name)))
  " var foo = { a : 1 };
    var slotName = 'a';
    alert(foo[slotName]);
   "); Last line was alert(foo.slotName) before bug-fix.

(test-ps-js buggy-slot-value-two
  (slot-value foo (get-slot-name))
  "foo[getSlotName()]")

(test-ps-js old-case-is-now-switch
  ;; Switch was "case" before, but that was very non-lispish.
  ;; For example, this code makes three messages and not one
  ;; which may have been expected. This is because a switch
  ;; statment must have a break statement for it to return
  ;; after the alert. Otherwise it continues on the next
  ;; clause.
  (switch (aref blorg i)
     (1 (alert "one"))
     (2 (alert "two"))
     (default (alert "default clause")))
     "switch (blorg[i]) {
         case 1:   alert('one');
         case 2:   alert('two');
         default:   alert('default clause');
         }")

(test-ps-js lisp-like-case
   (case (aref blorg i)
     (1 (alert "one"))
     (2 (alert "two"))
     (default (alert "default clause")))    
     "switch (blorg[i]) {
         case 1:
                   alert('one');
                   break;
         case 2:
                   alert('two');
                   break;
         default:   alert('default clause');
         }")


(test-ps-js even-lispier-case
  (case (aref blorg i)
      ((1 2) (alert "Below three"))
      (3 (alert "Three"))
      (t (alert "Something else")))
   "switch (blorg[i]) {
         case 1:   ;
         case 2:
                   alert('Below three');
                   break;
         case 3:
                   alert('Three');
                   break;
         default:   alert('Something else');
    }")

(test-ps-js otherwise-case
   (case (aref blorg i)
     (1 (alert "one"))
     (otherwise (alert "default clause")))
     "switch (blorg[i]) {
         case 1:
                   alert('one');
                   break;
         default:   alert('default clause');
         }")

(test escape-sequences-in-string
  (let ((escapes `((#\\ . #\\)
                   (#\b . #\Backspace)
                   (#\f . ,(code-char 12))
                   ("u000B" . ,(code-char #x000b));;Vertical tab, too uncommon to bother with
                   (#\n . #\Newline)
                   (#\r . #\Return)
                   (#\' . #\');;Double quote need not be quoted because parenscript strings are single quoted
                   (#\t . #\Tab)
                   ("u001F" . ,(code-char #x001f));; character below 32
                   ("u0080" . ,(code-char 128)) ;;Character over 127. Actually valid, parenscript escapes them to be sure.
                   ("uABCD" . ,(code-char #xabcd)))));; Really above ascii.
    (loop for (js-escape . lisp-char) in escapes
	  for generated = (compile-script `(let ((x ,(format nil "hello~ahi" lisp-char)))))
	  for wanted = (format nil "var x = 'hello\\~ahi';" js-escape)
	  do (is (string= (normalize-js-code generated) wanted)))))
  
(test-ps-js complicated-symbol-name1
  grid-rows[foo].bar
  "gridRows[foo].bar")

(test-ps-js complicated-symbol-name2
  *grid-rows*[foo].bar
  "GRIDROWS[foo].bar")

(test-ps-js slot-value-setf
  (setf (slot-value x 'y) (+ (+ a 3) 4))
  "x.y = (a + 3) + 4;")

(test-ps-js slot-value-conditional1
  (slot-value (if zoo foo bar) 'x)
  "(zoo ? foo : bar).x")

(test-ps-js slot-value-conditional2
  (slot-value (if (not zoo) foo bar) 'x)
  "(!zoo ? foo : bar).x")

(test script-star-eval1
  (is (string= "x = 1; y = 2;" (normalize-js-code (ps* '(setf x 1) '(setf y 2))))))

(test script-star-eval2
  (is (string= "x = 1;" (normalize-js-code (ps* '(setf x 1))))))

(test-ps-js slot-value-null1
  (slot-value foo nil)
  "foo")

(test-ps-js slot-value-null2
  (slot-value foo 'nil)
  "foo")

(test-ps-js unquoted-nil
  nil
  "null")

(test-ps-js list-with-single-nil
  (array 'nil)
  "[null]")

(test-ps-js quoted-nil
  'nil
  "null")

(test defsetf1
  (ps (defsetf baz (x y) (newval) `(set-baz ,x ,y ,newval)))
  (is (string= "var _js2 = 1; var _js3 = 2; var _js1 = 3; setBaz(_js2, _js3, _js1);"
               (normalize-js-code (let ((ps:*ps-gensym-counter* 0))
                                    (ps (setf (baz 1 2) 3)))))))

(test defsetf-short
  (ps (defsetf baz set-baz "blah"))
  (is (string= "setBaz(1, 2, 3, 'foo');" (normalize-js-code (ps (setf (baz 1 2 3) "foo"))))))

(test defun-setf1
  (is (and (string= (normalize-js-code (ps:ps (defun (setf some-thing) (new-val i1 i2)
                                           (setf (aref *some-thing* i1 i2) new-val))))
               "null; function __setf_someThing(newVal, i1, i2) { SOMETHING[i1][i2] = newVal; };")
           (string= (let ((ps:*ps-gensym-counter* 0)) (normalize-js-code (ps:ps (setf (some-thing 1 2) "foo"))))
               "var _js2 = 1; var _js3 = 2; var _js1 = 'foo'; __setf_someThing(_js1, _js2, _js3);"))))

(test-ps-js defun-optional1
  (defun test-opt (&optional x) (return (if x "yes" "no")))
  "function testOpt(x) {
  x = undefined === x && null || x;
  return x ? 'yes' : 'no';
}")

(test-ps-js return-nothing
  (return)
  "return null")

(test-ps-js set-timeout
  (do-set-timeout (10) (alert "foo"))
  "setTimeout (function () { alert('foo'); }, 10)")

(test-ps-js operator-precedence
  (* 3 (+ 4 5) 6)
  "3 * (4 + 5) * 6")

(test-ps-js incf1
  (incf foo bar)
  "foo += bar")

(test-ps-js decf1
  (decf foo bar)
  "foo -= bar")

(test-ps-js setf-conditional
  (setf foo (if x 1 2))
  "foo = x ? 1 : 2;")

(test-ps-js obj-literal-numbers
  (create 1 "foo")
  "{ 1 : 'foo' }")

(test-ps-js obj-literal-strings
  (create "foo" 2)
  "{ 'foo' : 2 }")