third_party/WebKit/LayoutTests/fast/dom/event-target-arguments.html

   1 <!DOCTYPE html>
   2 <script src="../../resources/js-test.js"></script>
   3 <body>
   4 <script>
   5 description('EventTarget.addEventListener and EventTarget.removeEventLister should throw on invalid arguments.');
   6
   7 function listener(event)
   8 {
   9 }
  10
  11 debug('Signature:')
  12 debug('void addEventListener(DOMString type, EventListener listener, optional boolean useCapture)');
  13 // FIXME: should throw on missing arguments: http://crbug.com/353484
  14 // shouldThrow('document.addEventListener()');
  15 // shouldThrow('document.addEventListener("foo")');
  16 var AddEventListenerNoArguments = 656;
  17 shouldBeFalse('internals.isUseCounted(document, AddEventListenerNoArguments)');
  18 shouldBe('document.addEventListener()', 'undefined');
  19 shouldBeTrue('internals.isUseCounted(document, AddEventListenerNoArguments)');
  20 var AddEventListenerOneArgument = 657;
  21 shouldBeFalse('internals.isUseCounted(document, AddEventListenerOneArgument)');
  22 shouldBe('document.addEventListener("foo")', 'undefined');
  23 shouldBeTrue('internals.isUseCounted(document, AddEventListenerOneArgument)');
  24 shouldNotThrow('document.addEventListener("foo", listener)');
  25 shouldNotThrow('document.addEventListener("", listener)');
  26 shouldNotThrow('document.addEventListener("", function(){})');
  27 shouldNotThrow('document.addEventListener("bar", listener, false)');
  28 shouldNotThrow('document.addEventListener("bar", listener, true)');
  29 // null
  30 shouldBe('document.addEventListener(null)', 'undefined');
  31 shouldNotThrow('document.addEventListener(null, listener)'); // converted to "null"
  32 // FIXME: throw on |null|: http://crbug.com/249598
  33 // shouldThrow('document.addEventListener("foo", null)');
  34 shouldBe('document.addEventListener("foo", null)', 'undefined');
  35 shouldNotThrow('document.addEventListener("zork", listener, null)');
  36 // undefined
  37 // FIXME: behavior of undefined for mandatory arguments is unclear, but
  38 // probably should throw
  39 // https://www.w3.org/Bugs/Public/show_bug.cgi?id=23532
  40 shouldBe('document.addEventListener(undefined)', 'undefined');
  41 // shouldThrow('document.addEventListener(undefined, listener)');
  42 // shouldThrow('document.addEventListener("foo", undefined)');
  43 shouldBe('document.addEventListener(undefined, listener)', 'undefined');
  44 shouldBe('document.addEventListener("foo", undefined)', 'undefined');
  45 shouldNotThrow('document.addEventListener("zork", listener, undefined)');
  46
  47 debug('');
  48 debug('Signature:');
  49 debug('void removeEventListener(DOMString type, EventListener listener, optional boolean useCapture)');
  50 // FIXME: should throw on missing arguments: http://crbug.com/353484
  51 // shouldThrow('document.removeEventListener()');
  52 // shouldThrow('document.removeEventListener("foo")');
  53 var RemoveEventListenerNoArguments = 658;
  54 shouldBeFalse('internals.isUseCounted(document, RemoveEventListenerNoArguments)');
  55 shouldBe('document.removeEventListener()', 'undefined');
  56 shouldBeTrue('internals.isUseCounted(document, RemoveEventListenerNoArguments)');
  57 var RemoveEventListenerOneArgument = 659;
  58 shouldBeFalse('internals.isUseCounted(document, RemoveEventListenerOneArgument)');
  59 shouldBe('document.removeEventListener("foo")', 'undefined');
  60 shouldBeTrue('internals.isUseCounted(document, RemoveEventListenerOneArgument)');
  61 shouldNotThrow('document.removeEventListener("foo", listener)');
  62 shouldNotThrow('document.removeEventListener("foo", listener, true)');
  63 shouldNotThrow('document.removeEventListener("bar", listener, false)');
  64 shouldNotThrow('document.removeEventListener("bar", listener, false)');
  65 shouldNotThrow('document.removeEventListener("bar", listener, true)');
  66 // null
  67 shouldBe('document.removeEventListener(null)', 'undefined');
  68 shouldNotThrow('document.removeEventListener(null, listener)'); // converted to "null"
  69 // FIXME: throw on |null|: http://crbug.com/249598
  70 // shouldThrow('document.removeEventListener("foo", null)');
  71 shouldBe('document.removeEventListener("foo", null)', 'undefined');
  72 shouldNotThrow('document.removeEventListener("zork", listener, null)');
  73 // undefined
  74 // FIXME: behavior of undefined for mandatory arguments is unclear, but
  75 // probably should throw
  76 // https://www.w3.org/Bugs/Public/show_bug.cgi?id=23532
  77 shouldBe('document.removeEventListener(undefined)', 'undefined');
  78 // shouldthrow('document.removeeventlistener("foo", undefined)');
  79 // shouldthrow('document.removeeventlistener(undefined, listener)');
  80 shouldBe('document.removeEventListener(undefined, listener)', 'undefined');
  81 shouldBe('document.removeEventListener("foo", undefined)', 'undefined');
  82 shouldNotThrow('document.removeEventListener("zork", listener, undefined)');
  83 </script>