trusted-types-duplicate-names-without-enforcement.html

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /trusted-types/trusted-types-duplicate-names-without-enforcement.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<head>

  <script src="/resources/testharness.js"></script>

  <script src="/resources/testharnessreport.js"></script>

</head>

<body>

<script>

const policy = { createHTML: a => a };

test(t => {

  // The spec demands that duplicate policies are allowed when TT is not

  // enforced in the CSP.

  let a = trustedTypes.createPolicy("duplicatename", policy);

  let b = trustedTypes.createPolicy("duplicatename", policy);

  assert_not_equals(a, b);

  assert_true(a instanceof TrustedTypePolicy);

  assert_true(b instanceof TrustedTypePolicy);

}, "createPolicy - duplicate policies are allowed when Trusted Types are not enforced.");

test(t => {

  // The spec demands that duplicate "default" policy creation fails, even

  // when TT is not enforced.

  let p = trustedTypes.createPolicy("default", policy);

  assert_true(p instanceof TrustedTypePolicy);

  // The second instance should throw:

  assert_throws_js(TypeError, _ => trustedTypes.createPolicy("default", policy));

}, "createPolicy - duplicate \"default\" policy is never allowed.");

</script>

</body>