| <!DOCTYPE html><!-- webkit-test-runner [ ResizeObserverEnabled=true ] --> |
| <html> |
| <meta name="timeout" content="long"> |
| <head> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script src="../resources/gc.js"></script> |
| </head> |
| <body> |
| <script> |
| |
| let iframeCount = 20; |
| function prepareFrame() { |
| return new Promise(function(resolve, reject) { |
| let container = document.createElement("div"); |
| for (let i = 0; i < iframeCount; ++i) { |
| let iframe = document.createElement("iframe"); |
| iframe.style.height = "1px"; |
| iframe.src = "resources/element-leak-frame.html"; |
| container.appendChild(iframe); |
| } |
| document.body.appendChild(container); |
| |
| let notifyCount = 0; |
| window.addEventListener('message', event => { |
| switch(event.data) { |
| case 'Notified': |
| notifyCount++; |
| if (notifyCount == iframeCount) { |
| resolve("All iframes notified"); |
| } |
| break; |
| } |
| }, false); |
| }); |
| } |
| |
| function testElementLeak(resolve, reject) { |
| return new Promise(function(resolve, reject) { |
| let documentIdentifierArray = new Array(iframeCount); |
| let count = 0; |
| document.querySelectorAll('iframe').forEach(iframe => { |
| documentIdentifierArray[count++] = internals.documentIdentifier(iframe.contentDocument); |
| iframe.remove(); |
| }); |
| |
| let handle = setInterval(function() { |
| gc(); |
| documentIdentifierArray.forEach(function(frameDocumentIdentifier) { |
| if (internals && !internals.isDocumentAlive(frameDocumentIdentifier)) { |
| clearInterval(handle); |
| documentIdentifierArray = []; |
| resolve("Detected document release."); |
| } |
| }); |
| }, 10); |
| }); |
| } |
| |
| function startTest() { |
| return prepareFrame().then(function(){ |
| return testElementLeak().catch(function(result){ |
| assert_unreached(result); |
| }); |
| }).catch(function(result){ |
| assert_unreached(result); |
| }); |
| } |
| |
| test(_ => { |
| assert_own_property(window, "ResizeObserver"); |
| }, "ResizeObserver implemented"); |
| |
| promise_test(async () => { |
| return startTest(); |
| }, 'Test elements leak in 20 iframes'); |
| |
| </script> |
| </body> |
| </html> |
