wpt/trusted-types/eval-csp-tt-default-policy.html at master · web-platform-tests/wpt · GitHub

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<!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, _, sink) => {
      // eval's source string is "1+1", the Function constructor's source string is "return 1+1"
      // so we can distinguish between the two.
      if (s === "1+1") {
        assert_equals(sink, "eval");
      } else {
        assert_equals(sink, "Function");
      }
      return s
    })
  });
  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?.(p.createScript('1+1')), 2);
  }, "indirect eval of TrustedScript works.");

  test(t => {
    assert_equals(eval('1+1'), 2);
  }, "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')(), 2);
  }, "Function constructor of string works.");

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

  test(t => {
    assert_equals(new Function('val', 'return val+1')(1), 2);
  }, "Function constructor of all strings works.");

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

  const AsyncFunction = async function() {}.constructor;
  test(t => {
    new AsyncFunction(p.createScript('return 1+1'))
  }, "Async Function constructor of TrustedScript works.");

  test(t => {
    new AsyncFunction('return 1+1')
  }, "AsyncFunction constructor of string works.");

  test(t => {
    new AsyncFunction(p.createScript('val'),p.createScript('return val+1'))
  }, "AsyncFunction constructor of all TrustedScripts works.");

  test(t => {
    new AsyncFunction('val', 'return val+1')
  }, "AsyncFunction constructor of all strings works.");

  test(t => {
    new AsyncFunction('val', p.createScript('return val+1'))
  }, "AsyncFunction constructor of string and TrustedScript works.");

  const GeneratorFunction = function*() {}.constructor;
  test(t => {
    new GeneratorFunction(p.createScript('return 1+1'))
  }, "GeneratorFunction constructor of TrustedScript works.");

  test(t => {
    new GeneratorFunction('return 1+1')
  }, "GeneratorFunction constructor of string works.");

  test(t => {
    new GeneratorFunction(p.createScript('val'),p.createScript('return val+1'))
  }, "GeneratorFunction constructor of all TrustedScripts works.");

  test(t => {
    new GeneratorFunction('val', 'return val+1')
  }, "GeneratorFunction constructor of all strings works.");

  test(t => {
    new GeneratorFunction('val', p.createScript('return val+1'))
  }, "GeneratorFunction constructor of string and TrustedScript works.");

  const AsyncGeneratorFunction = async function*() {}.constructor;
  test(t => {
    new AsyncGeneratorFunction(p.createScript('return 1+1'));
  }, "AsyncGeneratorFunction constructor of TrustedScript works.");

  test(t => {
    new AsyncGeneratorFunction('return 1+1');
  }, "AsyncGeneratorFunction constructor of string works.");

  test(t => {
    new AsyncGeneratorFunction(p.createScript('val'),p.createScript('return val+1'));
  }, "AsyncGeneratorFunction constructor of all TrustedScripts works.");

  test(t => {
    new AsyncGeneratorFunction('val', 'return val+1');
  }, "AsyncGeneratorFunction constructor of all strings works.");

  test(t => {
    new AsyncGeneratorFunction('val', p.createScript('return val+1'));
  }, "AsyncGeneratorFunction constructor of string and TrustedScript works.");
</script>