File: postMessage-wasm-module.html

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<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>eval-in-iframe</title>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <script src="/common/utils.js"></script>
</head>
<body>
    <iframe src="/content-security-policy/wasm-unsafe-eval/support/iframe.html">
    </iframe>

    <script>
        async_test(t => {
          self.addEventListener('message', t.step_func_done(({data}) => {
            assert_equals(data.violatedDirective, "script-src");
            assert_equals(data.originalPolicy, "default-src 'unsafe-inline'")
            assert_equals(data.blockedURI, "wasm-eval")
          }));
        }, "Got the expected securitypolicyviolation in the iframe");

        const iframe = document.querySelector('iframe');
        iframe.addEventListener('load', () => {
            let m = new WebAssembly.Module(
                new Uint8Array([0, 0x61, 0x73, 0x6d, 0x1, 0, 0, 0]));
            iframe.contentWindow.postMessage(m);
        });
    </script>
</body>
</html>