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<!DOCTYPE html>
<meta charset="utf-8">
<title>Sandbox Navigation Timing</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<html></html>
<script>
const sandboxUrl = location.pathname.substring(0, location.pathname.lastIndexOf('/') + 1) + 'sandbox-navigation-timing-iframe.tentative.html';
async_test(t => {
const iframe = document.createElement('iframe');
iframe.src = sandboxUrl;
document.body.appendChild(iframe); // Navigation starts; value of sandbox flags locked on.
// This should not affect the sandbox value used for both about:blank document
// and the final document in iframe.
iframe.sandbox = 'allow-scripts';
const iframeAboutBlankDocument = iframe.contentDocument;
iframe.onload = t.step_func(() => {
const iframeAboutBlankContents = iframeAboutBlankDocument.querySelectorAll('body');
assert_equals(iframeAboutBlankContents[0].tagName, "BODY",
"about:blank document's contents should still be accessible");
iframe.contentWindow.postMessage("is iframe sandboxed?", "*");
});
window.onmessage = t.step_func_done(e => {
assert_equals(e.data.result, 'iframe not sandboxed');
});
}, 'setting sandbox attribute should not affect current document in iframe');
</script>
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