invalid-this-value-cross-realm.html (2633B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>Cross-realm getter / setter / operation doesn't use lexical global object to throw an error for incompatible |this| value</title> 4 <link rel="help" href="https://webidl.spec.whatwg.org/#dfn-attribute-getter"> 5 <link rel="help" href="https://webidl.spec.whatwg.org/#dfn-attribute-setter"> 6 <link rel="help" href="https://webidl.spec.whatwg.org/#dfn-create-operation-function"> 7 8 <script src="/resources/testharness.js"></script> 9 <script src="/resources/testharnessreport.js"></script> 10 <script src="support/create-realm.js"></script> 11 12 <body> 13 <script> 14 promise_test(async t => { 15 const other = await createRealm(t); 16 const notElement = Object.create(other.HTMLElement.prototype); 17 18 assert_throws_js(other.TypeError, () => { Object.create(other.document).head; }); 19 assert_throws_js(other.TypeError, () => { Object.getOwnPropertyDescriptor(other.HTMLElement.prototype, "title").get.call(notElement); }); 20 assert_throws_js(other.TypeError, () => { Reflect.get(other.document.createElement("div"), "hidden", notElement); }); 21 assert_throws_js(other.TypeError, () => { new Proxy(other.text, {}).nodeType; }); 22 }, "Cross-realm getter throws when called on incompatible object"); 23 24 promise_test(async t => { 25 const other = await createRealm(t); 26 const notElement = Object.create(other.HTMLElement.prototype); 27 const notText = Object.create(other.Text.prototype); 28 29 assert_throws_js(other.TypeError, () => { Object.create(other.element).innerHTML = ""; }); 30 assert_throws_js(other.TypeError, () => { Object.getOwnPropertyDescriptor(other.HTMLElement.prototype, "onclick").set.call(notElement, null); }); 31 assert_throws_js(other.TypeError, () => { Reflect.set(new other.Text("foo"), "data", "foo", notText); }); 32 assert_throws_js(other.TypeError, () => { new Proxy(other.document, {}).title = ""; }); 33 }, "Cross-realm setter throws when called on incompatible object"); 34 35 promise_test(async t => { 36 const other = await createRealm(t); 37 const notDocument = Object.create(other.HTMLDocument.prototype); 38 const notText = Object.create(other.Text.prototype); 39 40 assert_throws_js(other.TypeError, () => { Object.create(other.element).click(); }); 41 assert_throws_js(other.TypeError, () => { other.document.querySelector.call(notDocument, "*"); }); 42 assert_throws_js(other.TypeError, () => { Reflect.apply(other.text.remove, notText, []); }); 43 assert_throws_js(other.TypeError, () => { new Proxy(other.document.createElement("a"), {}).addEventListener("foo", () => {}); }); 44 }, "Cross-realm operation throws when called on incompatible object"); 45 </script>