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Diffstat (limited to 'testing/web-platform/tests/navigation-api/navigation-methods/return-value/back-already-detached.html')
-rw-r--r-- | testing/web-platform/tests/navigation-api/navigation-methods/return-value/back-already-detached.html | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/testing/web-platform/tests/navigation-api/navigation-methods/return-value/back-already-detached.html b/testing/web-platform/tests/navigation-api/navigation-methods/return-value/back-already-detached.html new file mode 100644 index 0000000000..f9ff04f923 --- /dev/null +++ b/testing/web-platform/tests/navigation-api/navigation-methods/return-value/back-already-detached.html @@ -0,0 +1,30 @@ +<!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]); + + const iWindow = i.contentWindow; + const iDOMException = iWindow.DOMException; + + i.remove(); + + await assertBothRejectDOM(t, iWindow.navigation.back(), "InvalidStateError", iWindow, iDOMException); +}, "back() in a detached window"); +</script> |