<!DOCTYPE html>
<title>Service Worker: Synchronous XHR is intercepted</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script>
'use strict';

promise_test(function(t) {
    var url = 'resources/fetch-request-xhr-sync-worker.js';
    var scope = 'resources/fetch-request-xhr-sync-iframe.html';
    var non_existent_file = 'non-existent-file.txt';

    return service_worker_unregister_and_register(t, url, scope)
      .then(function(registration) {
          t.add_cleanup(function() {
              return registration.unregister();
            });

          return wait_for_state(t, registration.installing, 'activated');
        })
      .then(function() { return with_iframe(scope); })
      .then(function(frame) {
          t.add_cleanup(function() {
              frame.remove();
            });

          return new Promise(function(resolve, reject) {
              t.step_timeout(function() {
                  var xhr;
                  try {
                    xhr = frame.contentWindow.performSyncXHR(non_existent_file);
                    resolve(xhr);
                  } catch (err) {
                    reject(err);
                  }
                }, 0);
            })
        })
      .then(function(xhr) {
          assert_equals(
              xhr.status,
              200,
              'HTTP response status code for intercepted request'
            );
          assert_equals(
              xhr.responseText,
              'Response from service worker',
              'HTTP response text for intercepted request'
            );
        });
  }, 'Verify SyncXHR is intercepted');
</script>