| CONSOLE WARNING: 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. |
| Tests throwing an exception during registration of constructor |
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| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". |
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| PASS document.registerElement("x-a", {prototype: proto}) threw exception Exception thrown from getter. |
| PASS successfullyParsed is true |
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| TEST COMPLETE |
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