initial-about-blank.html (500B)
1 <!doctype html> 2 <script src="/resources/testharness.js"></script> 3 <script src="/resources/testharnessreport.js"></script> 4 <iframe id="iframe"></iframe> 5 6 <script> 7 test(() => { 8 assert_throws_dom("InvalidStateError", iframe.contentWindow.DOMException, () => { 9 iframe.contentWindow.navigation.updateCurrentEntry({ state: 1 }); 10 }); 11 assert_equals(navigation.currentEntry.getState(), undefined); 12 }, "updateCurrentEntry() must throw if the document is still on the initial about:blank"); 13 </script>