| CONSOLE WARNING: line 17: document.registerElement is deprecated and will be removed in M73, around March 2019. Please use window.customElements.define instead. See https://www.chromestatus.com/features/4642138092470272 for more details. |
| CONSOLE WARNING: :unresolved pseudo selector is deprecated and will be removed in M73, around March 2019. Please use :not(:defined) instead. See https://www.chromestatus.com/features/4642138092470272 for more details. |
| Tests the element upgrade algorithm. |
| |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". |
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| |
| PASS host.firstChild instanceof A is true |
| PASS element instanceof B is true |
| PASS callCount is 1 |
| PASS element instanceof C is false |
| PASS Object.getPrototypeOf(element) is HTMLElement.prototype |
| PASS host.firstChild instanceof D is false |
| PASS document.querySelector(":unresolved") is host.firstChild |
| PASS upgradedOrder is ["e1","e2","e3","e4","e5"] |
| PASS successfullyParsed is true |
| |
| TEST COMPLETE |
| |
