navigation-traverseTo-same-document-preventDefault-multiple-windows.html (1520B)
1 <!doctype html> 2 <script src="/resources/testharness.js"></script> 3 <script src="/resources/testharnessreport.js"></script> 4 <script src="../navigation-methods/return-value/resources/helpers.js"></script> 5 <iframe id="i" src="/common/blank.html"></iframe> 6 <script> 7 promise_test(async t => { 8 let start_length = navigation.entries().length; 9 let start_index = navigation.currentEntry.index; 10 11 // Wait for after the load event so that the navigation doesn't get converted 12 // into a replace navigation. 13 await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0)); 14 await navigation.navigate("#").finished; 15 await i.contentWindow.navigation.navigate("#").finished; 16 assert_equals(navigation.entries().length, start_length + 1); 17 assert_equals(i.contentWindow.navigation.entries().length, 2); 18 assert_equals(navigation.currentEntry.index, start_index + 1); 19 assert_equals(i.contentWindow.navigation.currentEntry.index, 1); 20 21 navigation.onnavigate = e => e.preventDefault(); 22 i.contentWindow.navigation.onnavigate = t.unreached_func("navigate event should not fire in the iframe, because the traversal was cancelled in the top window"); 23 await assertBothRejectDOM(t, navigation.traverseTo(navigation.entries()[start_index].key), "AbortError"); 24 assert_equals(navigation.currentEntry.index, start_index + 1); 25 assert_equals(i.contentWindow.navigation.currentEntry.index, 1); 26 }, "navigation.traverseTo() - if a top window cancels the traversal, any iframes should not fire navigate"); 27 </script>