test_close_onpagehide_by_window_close.html

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<!doctype html>

<title>Test for closing window in pagehide event callback caused by window.close()</title>

<script src="/tests/SimpleTest/SimpleTest.js"></script>

<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1432396">Mozilla Bug 1432396</a>

<p id="display"></p>

<script>

SimpleTest.waitForExplicitFinish();

const w = window.open("file_close_onpagehide1.html");

window.addEventListener("message", e => {

  is(e.data, "initial", "The initial page loaded");

  w.onpagehide = () => {

    w.close();

    info("try to close the popped up window in onpagehide");

    SimpleTest.finish();

};

  w.close();

}, { once: true });

</script>