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<!DOCTYPE html>
<head>
  <script src="/resources/testharness.js"></script>
  <script src="/resources/testharnessreport.js"></script>
  <meta http-equiv="Content-Security-Policy" content="require-trusted-types-for 'script'">
</head>
<body>
<script>

  function promise_violation(filter_arg) {
    return _ => new Promise((resolve, reject) => {
      function handler(e) {
        let matches = (filter_arg instanceof Function)
            ? filter_arg(e)
            : (e.originalPolicy.includes(filter_arg));
        if (matches) {
          document.removeEventListener("securitypolicyviolation", handler);
          e.stopPropagation();
          resolve(e);
        }
      }

      document.addEventListener("securitypolicyviolation", handler);
    });
  }

  promise_test(t => {
    let p = Promise.resolve()
        .then(promise_violation("require-trusted-types-for 'script'"));
    d = document.createElement("div");
    assert_throws_js(TypeError,
        _ => {
          d.innerHTML = "a";
        });
    assert_equals("", d.innerHTML);
    return p;
  }, "Require trusted types for 'script' block create HTML.");

  promise_test(t => {
    let p = Promise.resolve()
        .then(promise_violation("require-trusted-types-for 'script'"));
    d = document.createElement("script");
    assert_throws_js(TypeError,
        _ => {
          d.innerText = "a";
        });
    assert_equals("", d.innerText);
    return p;
  }, "Require trusted types for 'script' block create script.");

  promise_test(t => {
    let p = Promise.resolve()
        .then(promise_violation("require-trusted-types-for 'script'"));
    s = document.createElement("script");
    assert_throws_js(TypeError,
        _ => {
          s.src = "a";
        });
    assert_equals("", s.src);
    return p;
  }, "Require trusted types for 'script' block create script URL.");

  promise_test(t => {
    return new Promise(resolve => {
      p = trustedTypes.createPolicy("policyA", {createScript: s => s + 1});
      p1 = trustedTypes.createPolicy("policyA", {createHTML: _ => ""});
      p2 = trustedTypes.createPolicy("default", {createScript: s => s});
      script = p.createScript("1");
      assert_equals(script.toString(), "11");
      s = document.createElement("script");
      s.innerText = script;
      assert_equals(script.toString(), s.innerText.toString());
      s.innerText = "1";
      assert_equals("1", s.innerText.toString());
      resolve();
    });
  }, "Set require trusted types for 'script' without CSP for trusted types don't block policy creation and using.");
</script>