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Test Info:

<!doctype html>
<meta charset=utf-8>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script type="importmap">
{
"imports": {
}
}
</script>
<link rel="modulepreload" href="resources/module1.js" integrity="sha384-invalid">
<script type="module" src="resources/module1.js" id="myscript"></script>
<body>
<script>
// compared to modulepreload.html, this tests behavior when elements are
// initially on an HTML page instead of being added by JS
promise_test(() => {
return new Promise((resolve, reject) => {
let myscript = document.querySelector('#myscript');
myscript.onerror = resolve;
myscript.onload = reject;
});
}, "Script should not be loaded if modulepreload's integrity is invalid");
</script>