storagemanager-persisted.https.any.js (427B)
1 // META: title=StorageManager: persisted() 2 3 promise_test(function() { 4 var promise = navigator.storage.persisted(); 5 assert_true(promise instanceof Promise, 6 'navigator.storage.persisted() returned a Promise.'); 7 return promise.then(function (result) { 8 assert_equals(typeof result, 'boolean', result + ' should be boolean'); 9 }); 10 }, 'navigator.storage.persisted() returns a promise that resolves.');