| OLD | NEW |
|---|
| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <meta charset="utf-8"> |
| 3 <title>Legacy platform objects</title> |
| 4 <link rel="help" href="https://heycam.github.io/webidl/#es-legacy-platform-objec
ts"> |
| 5 <script src="/resources/testharness.js"></script> |
| 6 <script src="/resources/testharnessreport.js"></script> |
| 7 <script> |
| 8 // https://heycam.github.io/webidl/#legacy-platform-object-defineownproperty |
| 9 // 3.9.3. [[DefineOwnProperty]] |
| 10 |
| 11 test(function() { |
| 12 let span = document.createElement("span"); |
| 13 // DOMTokenList supports an indexed property getter but not a setter. |
| 14 let domTokenList = span.classList; |
| 15 assert_throws(new TypeError(), () => { |
| 16 Object.defineProperty(domTokenList, "0", {value: true, writable: true}); |
| 17 }); |
| 18 assert_throws(new TypeError(), () => { |
| 19 Object.defineProperty(domTokenList, "0", { |
| 20 get: () => {}, |
| 21 set: () => {}, |
| 22 }); |
| 23 }); |
| 24 assert_equals(domTokenList[0], undefined); |
| 25 domTokenList[0] = true; |
| 26 assert_equals(domTokenList[0], undefined); |
| 27 assert_throws(new TypeError(), () => { |
| 28 "use strict"; |
| 29 domTokenList[0] = true; |
| 30 }); |
| 31 }, "Test [[DefineOwnProperty]] with no indexed property setter support."); |
| 32 |
| 33 test(function() { |
| 34 // HTMLSelectElement supports an indexed property setter. |
| 35 let select = document.createElement("select"); |
| 36 assert_throws(new TypeError(), () => { |
| 37 Object.defineProperty(select, "0", { |
| 38 get: () => {}, |
| 39 set: () => {}, |
| 40 }); |
| 41 }); |
| 42 }, "Test [[DefineOwnProperty]] with indexed property setter support."); |
| 43 </script> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2832923003:
v8binding: Don't allow author script to define indexed accessor prop. (Closed)
