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async_test(t => {
const iframe = document.body.appendChild(document.createElement("iframe"));
t.add_cleanup(() => { iframe.remove(); });
self.testSynchronousScript = t.step_func_done(() => {
assert_throws_dom("InvalidStateError", iframe.contentWindow.DOMException, () => {
iframe.contentDocument.open();
}, "opening an XML document should throw");
});
iframe.src = "resources/bailout-order-xml-with-synchronous-script-frame.xhtml";
}, "document.open should throw an InvalidStateError with XML document even when there is an active parser executing script");
for (const ev of ["beforeunload", "pagehide", "unload"]) {
async_test(t => {
const iframe = document.body.appendChild(document.createElement("iframe"));
t.add_cleanup(() => { iframe.remove(); });
iframe.addEventListener("load", t.step_func(() => {
iframe.contentWindow.addEventListener(ev, t.step_func_done(() => {
assert_throws_dom("InvalidStateError", iframe.contentWindow.DOMException, () => {
iframe.contentDocument.open();
}, "opening an XML document should throw");
}));
iframe.src = "about:blank";
}), { once: true });
iframe.src = "/common/dummy.xhtml";
}, `document.open should throw an InvalidStateError with XML document even when the ignore-opens-during-unload counter is greater than 0 (during ${ev} event)`);
}
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