third_party/WebKit/LayoutTests/fast/dom/custom/resources/document-register-fuzz.js

   1
   2 function setupObjectHooks(hooks)
   3 {
   4     // Wrapper for these object should be materialized before setting hooks.
   5     console.log;
   6     document.register;
   7     HTMLSpanElement.prototype;
   8
   9     Object.defineProperty(Object.prototype, "prototype", {
  10         get: function() { return hooks.prototypeGet(); },
  11         set: function(value) { return hooks.prototypeSet(value); }
  12     });
  13
  14     Object.defineProperty(Object.prototype, "constructor", {
  15         get: function() { return hooks.constructorGet(); },
  16         set: function(value) { return hooks.constructorSet(value); }
  17     });
  18
  19     return hooks;
  20 }
  21
  22 function exerciseDocumentRegister()
  23 {
  24     register('x-a', {});
  25     register('x-b', {prototype: Object.create(HTMLElement.prototype)});
  26 }
  27
  28 function register(name, options)
  29 {
  30     var myConstructor = null;
  31     try {
  32         myConstructor = document.registerElement(name, options);
  33     } catch (e) { }
  34
  35     try {
  36         if (!myConstructor) {
  37             debug("Constructor object isn't created.");
  38             return;
  39         }
  40
  41         if (options.prototype !== undefined && myConstructor.prototype != options.prototype) {
  42             console.log("FAIL: bad prototype");
  43             return;
  44          }
  45
  46         var element = new myConstructor();
  47         if (!element)
  48             return;
  49         if (element.constructor != myConstructor) {
  50             console.log("FAIL: bad constructor");
  51             return;
  52          }
  53     } catch (e) { console.log(e); }
  54 }