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Diffstat (limited to 'testing/web-platform/tests/navigation-api/navigation-methods/return-value/back-beforeunload.html')
-rw-r--r-- | testing/web-platform/tests/navigation-api/navigation-methods/return-value/back-beforeunload.html | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/testing/web-platform/tests/navigation-api/navigation-methods/return-value/back-beforeunload.html b/testing/web-platform/tests/navigation-api/navigation-methods/return-value/back-beforeunload.html new file mode 100644 index 0000000000..82c1f589cc --- /dev/null +++ b/testing/web-platform/tests/navigation-api/navigation-methods/return-value/back-beforeunload.html @@ -0,0 +1,42 @@ +<!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); + + assert_equals(i.contentWindow.navigation.entries().length, 2); + assert_equals(i.contentWindow.navigation.currentEntry, i.contentWindow.navigation.entries()[1]); + + 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.back(), "InvalidStateError", i.contentWindow); + }); + i.contentWindow.navigation.navigate("?1"); + + assert_not_equals(assertionPromise, undefined); + await assertionPromise; + + assert_equals(navigateEventCount, 1); +}, "back() inside onbeforeunload"); +</script> |