interface-object.html (1015B)
1 <!doctype html> 2 <meta charset="utf-8"> 3 <title>Interface objects</title> 4 <script src="/resources/testharness.js"></script> 5 <script src="/resources/testharnessreport.js"></script> 6 <script> 7 test(function () { 8 assert_equals(typeof window.Blob, "function") 9 delete window.Blob; 10 assert_equals(window.Blob, undefined); 11 }, "An interface object deleted after it has been accessed is undefined"); 12 13 test(function () { 14 delete window.File; 15 assert_equals(window.File, undefined); 16 }, "An interface object deleted before it has been defined is undefined"); 17 18 test(function () { 19 delete window.ImageData; 20 assert_equals(Object.getOwnPropertyDescriptor(window, "ImageData"), undefined); 21 delete window.ImageData; 22 assert_equals(Object.getOwnPropertyDescriptor(window, "ImageData"), undefined); 23 }, "Interface objects deleted multiple times stay deleted"); 24 25 test(function () { 26 assert_equals(window["abc\udc88"], undefined); 27 }, "Fancy property names don't break the resolve hook on Window"); 28 </script>