t/ps-tests.lisp

   1 (in-package :ps-test)
   2
   3 ;;; Hand-written unit tests
   4
   5 (eval-when (:compile-toplevel :load-toplevel :execute)
   6   (def-suite ps-tests))
   7 (in-suite ps-tests)
   8
   9 (test-ps-js plus-is-not-commutative
  10    (setf x (+ "before" x "after"))
  11    "x = 'before' + x + 'after';")
  12
  13 (test-ps-js plus-works-if-first
  14    (setf x (+ x "middle" "after"))
  15    "x += 'middle' + 'after';")
  16
  17 (test-ps-js setf-side-effects
  18             (progn
  19               (let ((x 10))
  20                 (defun side-effect()
  21                   (setf x 4)
  22                   (return 3))
  23                 (setf x (+ 2 (side-effect) x 5))))
  24             "
  25 var x = 10;
  26 function sideEffect() {
  27   x = 4;
  28   return 3;
  29 };
  30 x = 2 + sideEffect() + x + 5;")
  31 ;; Parenscript used to optimize to much:
  32 ;;   var x = 10;
  33 ;;   function sideEffect() {
  34 ;;     x = 4;
  35 ;;     return 3;
  36 ;;   };
  37 ;;   x += 2 + sideEffect() + 5;
  38 ;;
  39 ;;   Which is 20, not 14
  40
  41
  42 (test-ps-js dot-notation-bug
  43             (.match (+ "" x) "foo")
  44             "('' + x).match('foo')")
  45
  46 (test-ps-js method-call-op-form (.to-string (+ "" x)) "('' + x).toString()")
  47 (test-ps-js method-call-number (.to-string 10) "( 10 ).toString()")
  48 (test-ps-js method-call-string (.to-string "hi") "'hi'.toString()")
  49 (test-ps-js method-call-lit-object
  50             (.to-string (create :to-string (lambda ()
  51                                              (return "it works"))))
  52             "( { toString : function () { return 'it works'; } } ).toString()")
  53
  54 (test-ps-js method-call-variable
  55             (.to-string x)
  56             "x.toString()")
  57
  58 (test-ps-js method-call-array
  59             (.to-string (list 10 20))
  60             "[ 10, 20 ].toString()")
  61 (test-ps-js method-call-fn-call
  62             (.to-string (foo))
  63             "foo().toString()")
  64 (test-ps-js method-call-lambda-fn
  65             (.to-string (lambda () (alert 10)))
  66             "( function () { alert(10); } ).toString()")
  67 (test-ps-js method-call-lambda-call
  68             (.to-string ((lambda (x) (return x)) 10))
  69             "(function (x) { return x; })(10).toString()")
  70
  71 (test no-whitespace-before-dot
  72   (let* ((str (compile-script '(.to-string ((lambda (x) (return x)) 10))))
  73          (dot-pos (position #\. str :test #'char=))
  74          (char-before (elt str (1- dot-pos)))
  75          (a-parenthesis #\)))
  76     (is (char= char-before a-parenthesis))))
  77
  78 ;; A problem with long nested operator, when the statement spanned several rows
  79 ;; the rows would not be joined together correctly.
  80 (test-ps-js bug-dwim-join
  81    (alert (ps-html ((:div :id 777
  82                           :style (css-inline :border "1pxsssssssssss"
  83                                              :font-size "x-small"
  84                                              :height (* 2 200)
  85                                              :width (* 2 300))))))
  86    "alert('<div id=\"777\" style=\"'
  87  + ('border:1pxsssssssssss;font-size:x-small;height:' + 2 * 200 + ';width:'
  88  + 2 * 300)
  89  + '\"></div>')") ;";This line should start with a plus character.
  90
  91
  92 (test-ps-js simple-slot-value
  93   (let ((foo (create :a 1)))
  94    (alert (slot-value foo 'a)))
  95   "var foo = { a : 1 };
  96    alert(foo.a);")
  97
  98 (test-ps-js buggy-slot-value
  99    (let ((foo (create :a 1))
 100         (slot-name "a"))
 101     (alert (slot-value foo slot-name)))
 102   " var foo = { a : 1 };
 103     var slotName = 'a';
 104     alert(foo[slotName]);
 105    "); Last line was alert(foo.slotName) before bug-fix.
 106
 107 (test-ps-js buggy-slot-value-two
 108   (slot-value foo (get-slot-name))
 109   "foo[getSlotName()]")
 110
 111 (test-ps-js old-case-is-now-switch
 112   ;; Switch was "case" before, but that was very non-lispish.
 113   ;; For example, this code makes three messages and not one
 114   ;; which may have been expected. This is because a switch
 115   ;; statment must have a break statement for it to return
 116   ;; after the alert. Otherwise it continues on the next
 117   ;; clause.
 118   (switch (aref blorg i)
 119      (1 (alert "one"))
 120      (2 (alert "two"))
 121      (default (alert "default clause")))
 122      "switch (blorg[i]) {
 123          case 1:   alert('one');
 124          case 2:   alert('two');
 125          default:   alert('default clause');
 126          }")
 127
 128 (test-ps-js lisp-like-case
 129    (case (aref blorg i)
 130      (1 (alert "one"))
 131      (2 (alert "two"))
 132      (default (alert "default clause")))
 133      "switch (blorg[i]) {
 134          case 1:
 135                    alert('one');
 136                    break;
 137          case 2:
 138                    alert('two');
 139                    break;
 140          default:   alert('default clause');
 141          }")
 142
 143
 144 (test-ps-js even-lispier-case
 145   (case (aref blorg i)
 146       ((1 2) (alert "Below three"))
 147       (3 (alert "Three"))
 148       (t (alert "Something else")))
 149    "switch (blorg[i]) {
 150          case 1:
 151          case 2:
 152                    alert('Below three');
 153                    break;
 154          case 3:
 155                    alert('Three');
 156                    break;
 157          default:   alert('Something else');
 158     }")
 159
 160 (test-ps-js otherwise-case
 161    (case (aref blorg i)
 162      (1 (alert "one"))
 163      (otherwise (alert "default clause")))
 164      "switch (blorg[i]) {
 165          case 1:
 166                    alert('one');
 167                    break;
 168          default:   alert('default clause');
 169          }")
 170
 171 (test escape-sequences-in-string
 172   (let ((escapes `((#\\ . #\\)
 173                    (#\b . #\Backspace)
 174                    (#\f . ,(code-char 12))
 175                    ("u000B" . ,(code-char #x000b));;Vertical tab, too uncommon to bother with
 176                    (#\n . #\Newline)
 177                    (#\r . #\Return)
 178                    (#\' . #\');;Double quote need not be quoted because parenscript strings are single quoted
 179                    (#\t . #\Tab)
 180                    ("u001F" . ,(code-char #x001f));; character below 32
 181                    ("u0080" . ,(code-char 128)) ;;Character over 127. Actually valid, parenscript escapes them to be sure.
 182                    ("uABCD" . ,(code-char #xabcd)))));; Really above ascii.
 183     (loop for (js-escape . lisp-char) in escapes
 184           for generated = (compile-script `(let ((x ,(format nil "hello~ahi" lisp-char)))))
 185           for wanted = (format nil "var x = 'hello\\~ahi';" js-escape)
 186           do (is (string= (normalize-js-code generated) wanted)))))
 187
 188 (test-ps-js complicated-symbol-name1
 189   grid-rows[foo].bar
 190   "gridRows[foo].bar")
 191
 192 (test-ps-js complicated-symbol-name2
 193   *grid-rows*[foo].bar
 194   "GRIDROWS[foo].bar")
 195
 196 (test-ps-js slot-value-setf
 197   (setf (slot-value x 'y) (+ (+ a 3) 4))
 198   "x.y = (a + 3) + 4;")
 199
 200 (test-ps-js slot-value-conditional1
 201   (slot-value (if zoo foo bar) 'x)
 202   "(zoo ? foo : bar).x")
 203
 204 (test-ps-js slot-value-conditional2
 205   (slot-value (if (not zoo) foo bar) 'x)
 206   "(!zoo ? foo : bar).x")
 207
 208 (test script-star-eval1
 209   (is (string= "x = 1; y = 2;" (normalize-js-code (ps* '(setf x 1) '(setf y 2))))))
 210
 211 (test script-star-eval2
 212   (is (string= "x = 1;" (normalize-js-code (ps* '(setf x 1))))))
 213
 214 (test-ps-js slot-value-null1
 215   (slot-value foo nil)
 216   "foo")
 217
 218 (test-ps-js slot-value-null2
 219   (slot-value foo 'nil)
 220   "foo")
 221
 222 (test-ps-js unquoted-nil
 223   nil
 224   "null")
 225
 226 (test-ps-js list-with-single-nil
 227   (array 'nil)
 228   "[null]")
 229
 230 (test-ps-js quoted-nil
 231   'nil
 232   "null")
 233
 234 (test defsetf1
 235   (ps (defsetf baz (x y) (newval) `(set-baz ,x ,y ,newval)))
 236   (is (string= "var _js2 = 1; var _js3 = 2; var _js1 = 3; setBaz(_js2, _js3, _js1);"
 237                (normalize-js-code (let ((ps:*ps-gensym-counter* 0))
 238                                     (ps (setf (baz 1 2) 3)))))))
 239
 240 (test defsetf-short
 241   (ps (defsetf baz set-baz "blah"))
 242   (is (string= "setBaz(1, 2, 3, 'foo');" (normalize-js-code (ps (setf (baz 1 2 3) "foo"))))))
 243
 244 (test defun-setf1
 245   (is (and (string= (normalize-js-code (ps:ps (defun (setf some-thing) (new-val i1 i2)
 246                                            (setf (aref *some-thing* i1 i2) new-val))))
 247                "function __setf_someThing(newVal, i1, i2) { SOMETHING[i1][i2] = newVal; };")
 248            (string= (let ((ps:*ps-gensym-counter* 0)) (normalize-js-code (ps:ps (setf (some-thing 1 2) "foo"))))
 249                "var _js2 = 1; var _js3 = 2; var _js1 = 'foo'; __setf_someThing(_js1, _js2, _js3);"))))
 250
 251 (test-ps-js defun-optional1
 252   (defun test-opt (&optional x) (return (if x "yes" "no")))
 253   "function testOpt(x) {
 254   x = undefined === x && null || x;
 255   return x ? 'yes' : 'no';
 256 }")
 257
 258 (test-ps-js return-nothing
 259   (return)
 260   "return null")
 261
 262 (test-ps-js set-timeout
 263   (do-set-timeout (10) (alert "foo"))
 264   "setTimeout(function () { alert('foo'); }, 10)")
 265
 266 (test-ps-js operator-precedence
 267   (* 3 (+ 4 5) 6)
 268   "3 * (4 + 5) * 6")
 269
 270 (test-ps-js incf1
 271   (incf foo bar)
 272   "foo += bar")
 273
 274 (test-ps-js decf1
 275   (decf foo bar)
 276   "foo -= bar")
 277
 278 (test-ps-js setf-conditional
 279   (setf foo (if x 1 2))
 280   "foo = x ? 1 : 2;")
 281
 282 (test-ps-js obj-literal-numbers
 283   (create 1 "foo")
 284   "{ 1 : 'foo' }")
 285
 286 (test-ps-js obj-literal-strings
 287   (create "foo" 2)
 288   "{ 'foo' : 2 }")
 289
 290 (test-ps-js slot-value-string
 291   (slot-value foo "bar")
 292   "foo['bar']")
 293
 294 (test-ps-js slot-value-progn
 295   (slot-value (progn (some-fun "abc") "123") "length")
 296   "(someFun('abc'), '123')['length']")
 297
 298 (test-ps-js method-call-block
 299   (.to-string (progn (some-fun "abc") "123"))
 300   "(someFun('abc'), '123').toString()")
 301
 302 (test-ps-js create-blank
 303   (create)
 304   "{ }")
 305
 306 (test-ps-js blank-object-literal
 307   {}
 308   "{ }")
 309
 310 (test-ps-js defun-rest1
 311   (defun foo (&rest bar) (alert bar[1]))
 312   "function foo() {
 313     var bar = [];
 314     for (var _js2 = 0; _js2 < arguments.length - 0; _js2 = _js2 + 1) {
 315         bar[_js2] = arguments[_js2 + 0];
 316     };
 317     alert(bar[1]);
 318 }")
 319
 320 (test-ps-js defun-rest2
 321   (defun foo (baz &rest bar) (return (+ baz (aref bar 1))))
 322   "function foo(baz) {
 323     var bar = [];
 324     for (var _js2 = 0; _js2 < arguments.length - 1; _js2 = _js2 + 1) {
 325         bar[_js2] = arguments[_js2 + 1];
 326     };
 327     return baz + bar[1];
 328 }")
 329
 330 (test-ps-js defun-keyword1
 331   (defun zoo (foo bar &key baz) (return (+ foo bar baz)))
 332   "function zoo(foo, bar, _js1) {
 333     _js1 = undefined === _js1 && {  } || _js1;
 334     return foo + bar + _js1.baz;
 335 }")
 336
 337 (test-ps-js cond1
 338   (cond ((= x 1) 1))
 339   "if (x == 1) {
 340     1;
 341 }")
 342
 343 (test-ps-js cond2
 344   (cond ((= x 1) 2) ((= y (* x 4)) (foo "blah") (* x y)))
 345   "if (x == 1) {
 346     2;
 347 } else if (y == x * 4) {
 348     foo('blah');
 349     x * y;
 350 }")
 351
 352 (test-ps-js if-exp-without-else-returns-null
 353   (return (if x 1))
 354   "return x ? 1 : null")
 355
 356 (test-ps-js progn-expression-single-statement
 357   (return (progn (* x y)))
 358   "return x * y")
 359
 360 (test-ps-js cond-expression1
 361   (defun foo () (return (cond ((< 1 2) (bar "foo") (* 4 5)))))
 362   "function foo() {
 363     return 1 < 2 ? (bar('foo'), 4 * 5) : null;
 364 }")
 365
 366 (test-ps-js cond-expression2
 367   (defun foo () (return (cond ((< 2 1) "foo") ((= 7 7) "bar"))))
 368   "function foo() {
 369     return 2 < 1 ? 'foo' : (7 == 7 ? 'bar' : null);
 370 }")
 371
 372 (test-ps-js cond-expression-final-t-clause
 373   (defun foo () (return (cond ((< 1 2) (bar "foo") (* 4 5)) ((= a b) (+ c d)) ((< 1 2 3 4 5) x) (t "foo"))))
 374   "function foo() {
 375     return 1 < 2 ? (bar('foo'), 4 * 5) : (a == b ? c + d : (1 < 2 < 3 < 4 < 5 ? x : 'foo'));
 376 }")
 377
 378 (test-ps-js cond-expression-middle-t-clause ;; should this signal a warning?
 379   (defun foo () (return (cond ((< 2 1) 5) (t "foo") ((< 1 2) "bar"))))
 380   "function foo() {
 381     return 2 < 1 ? 5 : 'foo';
 382 }")
 383
 384 (test-ps-js funcall-if-expression
 385   (document.write
 386    (if (= *linkornot* 1)
 387        (ps-html ((:a :href "#"
 388                      :onclick (lisp (ps-inline (transport))))
 389                  img))
 390        img))
 391   "document.write(LINKORNOT == 1 ? '<a href=\"#\" onclick=\"' + 'javascript:transport();' + '\">' + img + '</a>' : img)")