third_party/WebKit/LayoutTests/fast/js/webidl-attribute-getter-setter-lengths.html

   1 <!DOCTYPE html>
   2 <script src="../../resources/js-test.js"></script>
   3 <script>
   4
   5 description("Verify WebIDL interface attribute getter/setter function lengths");
   6
   7 // http://heycam.github.io/webidl/#dfn-attribute-getter
   8 // "The attribute getter is a Function object..."
   9 // "The value of the Function object’s"length" property is the Number value 0."
  10
  11 shouldBe("Object.getOwnPropertyDescriptor(HTMLElement.prototype, 'title').get.length", "0");
  12
  13 // http://heycam.github.io/webidl/#dfn-attribute-setter
  14 // "The attribute setter ... is a Function object..."
  15 // "The value of the Function object’s "length" property is the Number value 1."
  16
  17 shouldBe("Object.getOwnPropertyDescriptor(HTMLElement.prototype, 'title').set.length", "1");
  18
  19 </script>