<!DOCTYPE html>
<html>
<head>
  <script nonce="abc" src="/resources/testharness.js"></script>
  <script nonce="abc" src="/resources/testharnessreport.js"></script>
  <script nonce="abc" src="support/helper.sub.js"></script>
  <meta http-equiv="Content-Security-Policy" content="require-trusted-types-for 'script'">
</head>
<body>
<script>
  trustedTypes.createPolicy("default", {createScript: s => s.replace("1", "4")});
  const p = trustedTypes.createPolicy("p", {createScript: s => s});

  test(t => {
    assert_equals(eval(p.createScript('1+1')), 2);
  }, "eval of TrustedScript works.");

  test(t => {
    assert_equals(eval('1+1'), 5); // '1+1' becomes '4+1'.
  }, "eval of string works.");

  test(t => {
    assert_equals(eval(42), 42);
    assert_object_equals(eval({}), {});
    assert_equals(eval(null), null);
    assert_equals(eval(undefined), undefined);
   }, "eval of !TrustedScript and !string works.");

  test(t => {
    assert_equals(new Function(p.createScript('return 1+1'))(), 2);
  }, "Function constructor of TrustedScript works.");

  test(t => {
    assert_equals(new Function('return 1+1')(), 5);
  }, "Function constructor of string works.");
</script>