| This is a testharness.js-based test. | |
| FAIL INVALID_STATE_ERR error test assert_throws_dom: function "function(){cache.swapCache();}" threw object "TypeError: Cannot read property 'swapCache' of undefined" that is not a DOMException INVALID_STATE_ERR: property "code" is equal to undefined, expected 11 | |
| Harness: the test ran to completion. | |