| <!DOCTYPE html> |
| <html> |
| <body> |
| <p>This tests removing an iframe with a custom element inside a callback. WebKit should not hit assertions.<br> |
| WebKit should not hit any assertions.</p> |
| <script> |
| |
| customElements.define('test-element', class extends HTMLElement { |
| disconnectedCallback() { } |
| attributeChangedCallback(name, oldValue, newValue) { |
| if (newValue != 'bar') |
| return; |
| removeIframe(); |
| GCController.collect(); |
| } |
| static get observedAttributes() { return ['id']; } |
| }); |
| |
| function insertIframe() { |
| let iframe = document.createElement('iframe'); |
| document.body.appendChild(iframe); |
| let container = document.createElement('div'); |
| container.innerHTML = '<test-element></test-element><test-element id="foo"></test-element>'; |
| iframe.contentDocument.body.appendChild(container); |
| } |
| |
| function removeIframe() { |
| document.querySelector('iframe').remove(); |
| } |
| |
| if (!window.GCController) |
| document.write('This test requires GCController'); |
| else { |
| testRunner.dumpAsText(); |
| insertIframe(); |
| document.createElement('test-element').id = 'bar'; |
| document.write(`<p>PASS. WebKit did not hit any assertions.</p>`); |
| } |
| |
| </script> |
| </body> |
| </html> |
