pushmanager-supported-content-encodings.html

<!doctype html>
<html>
  <head>
    <title>Push API: Verifies the supported content encodings in PushManager.</title>
    <script src="../resources/testharness.js"></script>
    <script src="../resources/testharnessreport.js"></script>
    <script src="../serviceworker/resources/test-helpers.js"></script>
  </head>
  <body>
    <script>
      // Tests that the expected Content-Encoding values are indicated by the
      // PushManager.supportedContentEncodings property.
      test(function() {
        assert_own_property(window, 'PushManager', 'PushManager needs to be exposed as a global.');
        assert_own_property(PushManager, 'supportedContentEncodings');

        assert_equals(PushManager.supportedContentEncodings, PushManager.supportedContentEncodings);
        assert_true(Array.isArray(PushManager.supportedContentEncodings));

        assert_equals(PushManager.supportedContentEncodings.length, 2);

        const encodings = Array.from(PushManager.supportedContentEncodings).sort();

        assert_equals(encodings[0], 'aes128gcm');
        assert_equals(encodings[1], 'aesgcm');
      });
    </script>
  </body>
</html>

chromium/third_party/blink/web_tests/http/tests/push_messaging/pushmanager-supported-content-encodings.html