// META: title=StorageManager: persist() | |
promise_test(function() { | |
var promise = navigator.storage.persist(); | |
assert_true(promise instanceof Promise, | |
'navigator.storage.persist() returned a Promise.'); | |
return promise.then(function(result) { | |
assert_equals(typeof result, 'boolean', result + ' should be boolean'); | |
}); | |
}, 'navigator.storage.persist() returns a promise that resolves.'); |