| <!doctype html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/helpers.js"></script> |
| |
| <iframe id="i" src="/common/blank.html"></iframe> |
| |
| <script> |
| promise_test(async t => { |
| // Wait for after the load event so that the navigation doesn't get converted |
| // into a replace navigation. |
| await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0)); |
| |
| assert_equals(i.contentWindow.navigation.entries().length, 1); |
| let key = i.contentWindow.navigation.currentEntry.key; |
| |
| i.contentWindow.navigation.navigate("?1"); |
| await new Promise(resolve => i.onload = resolve); |
| |
| i.contentWindow.navigation.back(); |
| await new Promise(resolve => i.onload = resolve); |
| |
| assert_equals(i.contentWindow.navigation.entries().length, 2); |
| assert_equals(i.contentWindow.navigation.currentEntry, i.contentWindow.navigation.entries()[0]); |
| |
| let navigateEventCount = 0; |
| i.contentWindow.navigation.onnavigate = () => navigateEventCount++; |
| i.contentWindow.navigation.onnavigatesuccess = t.unreached_func("onnavigatesuccess should not be called"); |
| i.contentWindow.navigation.onnavigateerror = t.unreached_func("onnavigateerror should not be called"); |
| |
| let assertionPromise; |
| // The iframe does not have sticky activation, so per |
| // https://html.spec.whatwg.org/#prompt-to-unload-a-document, no prompt is |
| // shown and the navigation will proceed. |
| i.contentWindow.onbeforeunload = t.step_func(() => { |
| assertionPromise = assertBothRejectDOM(t, i.contentWindow.navigation.forward(), "InvalidStateError", i.contentWindow); |
| }); |
| i.contentWindow.navigation.navigate("?1"); |
| |
| assert_not_equals(assertionPromise, undefined); |
| await assertionPromise; |
| |
| assert_equals(navigateEventCount, 1); |
| }, "forward() inside onbeforeunload"); |
| </script> |
