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<!DOCTYPE html>
<head>
<meta charset="utf-8">
<title>Content Security Policy: nested inheritance</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<script>
// This test creates a page with CSP: frame-src 'self'. The page is
// navigated to a javascript URL creating a cross-origin iframe inside a
// srcdoc iframe. If everything works correctly, the cross-origin iframe
// should be blocked.
//
// Note that most of the logic is performed by the iframe. This file is only
// for managing testharness assertions.
async_test(t => {
window.addEventListener("message", t.step_func(function(e) {
if (e.data === "frame allowed") {
assert_unreached("Frame should have been blocked.");
} else if (e.data === "frame blocked") {
t.done();
}
}));
}, "Nested cross-origin iframe should be blocked by frame-src 'self'.");
</script>
<iframe src="./support/javascript-url-srcdoc-cross-origin-iframe-inheritance-helper.sub.html"></iframe>
</body>
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