LayoutTests/storage/indexeddb/missing-exception-check-in-IDBKey.html - WebKit - Git at Google

 <!DOCTYPE html><!-- webkit-test-runner [ jscOptions=--validateExceptionChecks=true,dumpSimulatedThrows=true ] -->

 <script>
 let a = [];
 Object.defineProperty(a, 0, {
     get: Date.prototype.getSeconds
 });
 IDBKeyRange.only(a);
 </script>
	<!DOCTYPE html><!-- webkit-test-runner [ jscOptions=--validateExceptionChecks=true,dumpSimulatedThrows=true ] -->

	<script>
	let a = [];
	Object.defineProperty(a, 0, {
	get: Date.prototype.getSeconds
	});
	IDBKeyRange.only(a);
	</script>