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<!DOCTYPE html>
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<meta http-equiv="Content-Security-Policy" content="form-action 'none'; script-src 'self' 'nonce-noncynonce'; connect-src 'self';">
</head>
<body>
<form action='/content-security-policy/support/postmessage-pass-to-opener.html'
id='form_id'
target="_blank">
<input type="submit" />
</form>
<p>
Test that "form-action 'none'" doesn't create a violation report if the event was prevented.
</p>
</body>
<script nonce='noncynonce'>
async_test(t => {
document.addEventListener('securitypolicyviolation', function(e) {
assert_unreached('Form submission was blocked.');
});
window.addEventListener('message', function(event) {
assert_unreached('Form submission was blocked.');
})
window.addEventListener("load", function() {
let form = document.getElementById("form_id");
form.addEventListener("submit", e => {
e.preventDefault();
setTimeout(() => {
t.done();
}, 0);
});
// clicking the input is used here as form.submit() will submit a form without an event and should also be blocked.
form.querySelector("input").click();
});
}, "The form submission should not be blocked by when javascript prevents the load.");
</script>
</html>
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