| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../resources/js-test-pre.js"></script> |
| <script src="../resources/gc.js"></script> |
| </head> |
| <body> |
| <iframe id="testFrame" src=></iframe> |
| <script> |
| description("Tests that using IntersectionObserver does not cause the document to get leaked."); |
| window.jsTestIsAsync = true; |
| |
| let totalCount = 0; |
| window.onload = function () { |
| testDocumentIsNotLeaked( |
| async function initAndRemove(frameCount) |
| { |
| totalCount = frameCount; |
| let frames = await new Promise((resolve, reject) => { |
| let frames = []; |
| let counter = 0; |
| function onLoad() { |
| counter++; |
| if (counter == frameCount) |
| resolve(frames); |
| } |
| for (let i = 0; i < frameCount; ++i) { |
| let frame = document.createElement('iframe'); |
| frame.src = "resources/no-document-leak-frame.html"; |
| frame.onload = onLoad; |
| document.body.appendChild(frame); |
| frames.push(frame); |
| } |
| }); |
| totalCount = internals.numberOfIntersectionObservers(document); |
| let frameIdentifiers = []; |
| for (let i = 0; i < frameCount; ++i) { |
| let frame = frames[i]; |
| frameIdentifiers.push(internals.documentIdentifier(frame.contentDocument)); |
| frame.remove(); |
| } |
| nukeArray(frames); |
| frames = null; |
| return frameIdentifiers; |
| }, |
| { |
| additionalCheck: function() |
| { |
| let count = internals.numberOfIntersectionObservers(document); |
| return count < totalCount || count === 0; |
| } |
| } |
| ).then( |
| () => testPassed("Document did not leak"), |
| (error) => testFailed(error.message) |
| ).finally(finishJSTest); |
| }; |
| |
| </script> |
| <script src="../resources/js-test-post.js"></script> |
| </body> |
| </html> |
