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<!DOCTYPE html>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script>
var script_did_run, script, x;
test(() => {
script_did_run = false;
script = document.createElement('script');
script.type = '0'; // This prevents execution on insertion.
script.textContent = 'script_did_run = true; script.appendChild(x);';
document.documentElement.appendChild(script);
x = document.createElement('x');
script.appendChild(x);
script.type = ''; // This enables, but does not trigger, execution.
assert_false(script_did_run, 'setting type should not trigger execution');
var iframe = document.createElement('iframe');
document.documentElement.appendChild(iframe);
iframe.contentDocument.adoptNode(x);
assert_false(script_did_run, 'removing child should not trigger execution');
assert_equals(x.ownerDocument, iframe.contentDocument,
'the element should have been adopted by the frame document');
});
</script>
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