| <!doctype HTML> |
| |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <style> |
| div { |
| contain: style layout; |
| } |
| </style> |
| <div id="outermost"> |
| Outermost |
| <div id="outer"> |
| Outer |
| <div id="inner"> |
| Inner |
| <div id="innermost"> |
| Innermost |
| </div> |
| </div> |
| </div> |
| </div> |
| <a id="innermostLink" href ="#innermost">Click</a> |
| <script> |
| 'use strict'; |
| function prepareTest() { |
| return Promise.all([ |
| outer.displayLock.acquire({ timeout: Infinity, activatable: true }), |
| inner.displayLock.acquire({ timeout: Infinity, activatable: true }) |
| ]); |
| } |
| |
| promise_test(() => { |
| return new Promise((resolve, reject) => { |
| prepareTest().then(() => { |
| assert_false(outermost.displayLock.locked); |
| assert_true(outer.displayLock.locked); |
| assert_true(inner.displayLock.locked); |
| assert_false(innermost.displayLock.locked); |
| |
| let innerPromise = new Promise((resolve, reject) => { |
| inner.onbeforeactivate = (e) => { |
| assert_equals(e.activatedElement, innermost); |
| resolve(); |
| } |
| }); |
| |
| let outerPromise = new Promise((resolve, reject) => { |
| outer.onbeforeactivate = (e) => { |
| assert_equals(e.activatedElement, innermost); |
| // Resolve if this is directly targeted to #outer, |
| // instead of bubbling here. |
| if (e.target == outer) |
| resolve(); |
| } |
| }); |
| |
| let outermostPromise = new Promise((resolve, reject) => { |
| outermost.onbeforeactivate = (e) => { |
| assert_equals(e.activatedElement, innermost); |
| assert_not_equals(e.target, outermost); |
| // Resolve if this is targeted to #outer, which is |
| // dispatched after the event targeted to #inner. |
| if (e.target == outer) |
| resolve(); |
| } |
| }); |
| |
| innermost.onbeforeactivate = reject; |
| // Navigating to element in locked subtree should fire beforeactivate |
| // on locked ancestors, but not itself. |
| innermostLink.click(); |
| Promise.all([innerPromise, outerPromise, outermostPromise]).then(resolve); |
| }); |
| }); |
| }, "Activation through anchor link fires beforeactivate on locked ancestor"); |
| </script> |
