initial-about-blank.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /navigation-api/updateCurrentEntry-method/initial-about-blank.html - WPT Dashboard Interop Dashboard

<!doctype html>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<iframe id="iframe"></iframe>

<script>

test(() => {

  assert_throws_dom("InvalidStateError", iframe.contentWindow.DOMException, () => {

    iframe.contentWindow.navigation.updateCurrentEntry({ state: 1 });

});

  assert_equals(navigation.currentEntry.getState(), undefined);

}, "updateCurrentEntry() must throw if the document is still on the initial about:blank");

</script>