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<!DOCTYPE html>
<meta charset="utf-8">
<title>Incumbent page used as a test helper</title>
<iframe src="relevant/relevant.html" id="r"></iframe>
<iframe src="current/current.html" id="c"></iframe>
<script>
const relevant = document.querySelector("#r");
const current = document.querySelector("#c");
window.runWindowPostMessageVeryIndirectly = (...args) => {
return current.contentWindow.postMessage.call(relevant.contentWindow, ...args);
};
// This tests the backup incumbent settings object stack scenario, by avoiding putting user code on the stack.
window.runWindowPostMessageVeryIndirectlyWithNoUserCode = (promise, promiseMethod, ...args) => {
const runWindowPostMessage = current.contentWindow.postMessage.bind(relevant.contentWindow, ...args);
promise[promiseMethod](runWindowPostMessage);
};
window.resolveThenableThatRunsWindowPostMessageVeryIndirectlyWithNoUserCode = (...args) => {
Promise.resolve({
then: current.contentWindow.postMessage.bind(relevant.contentWindow, ...args)
});
};
</script>
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