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// META: script=resources/document-open-side-effects.js
for (const ev of ["unload", "beforeunload", "pagehide"]) {
async_test(t => {
const iframe = document.body.appendChild(document.createElement("iframe"));
t.add_cleanup(() => iframe.remove());
iframe.src = "/common/blank.html";
iframe.onload = t.step_func(() => {
iframe.contentWindow.addEventListener(ev, t.step_func_done(() => {
const origURL = iframe.contentDocument.URL;
assertDocumentIsReadyForSideEffectsTest(iframe.contentDocument, `ignore-opens-during-unload counter is greater than 0 during ${ev} event`);
assert_equals(iframe.contentDocument.open(), iframe.contentDocument);
assertOpenHasNoSideEffects(iframe.contentDocument, origURL, `ignore-opens-during-unload counter is greater than 0 during ${ev} event`);
}));
iframe.src = "about:blank";
});
}, `document.open bailout should not have any side effects (ignore-opens-during-unload is greater than 0 during ${ev} event)`);
}
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