<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script>
var script1 = normalizeURL('resources/empty-worker.js');
var script2 = normalizeURL('resources/empty-worker.js?new');

async_test(function(t) {
    var scope = 'resources/scope/register-new-script-concurrently';
    var register_promise1;
    var register_promise2;

    service_worker_unregister(t, scope)
      .then(function() {
          register_promise1 = navigator.serviceWorker.register(script1,
                                                               {scope: scope});
          register_promise2 = navigator.serviceWorker.register(script2,
                                                               {scope: scope});
          return register_promise1;
        })
      .then(function(registration) {
          assert_equals(registration.installing.scriptURL, script1,
                        'on first register, first script should be installing');
          assert_equals(registration.waiting, null,
                        'on first register, waiting should be null');
          assert_equals(registration.active, null,
                        'on first register, active should be null');
          return register_promise2;
        })
      .then(function(registration) {
          assert_equals(
              registration.installing.scriptURL, script2,
              'on second register, second script should be installing');
          // Spec allows racing: the first register may have finished
          // or the second one could have terminated the installing worker.
          assert_true(registration.waiting == null ||
                      registration.waiting.scriptURL == script1,
                      'on second register, .waiting should be null or the ' +
                      'first script');
          assert_true(registration.active == null ||
                      (registration.waiting == null &&
                       registration.active.scriptURL == script1),
                      'on second register, .active should be null or the ' +
                      'first script');
          return registration.unregister();
        })
      .then(function() {
          t.done();
        })
      .catch(unreached_rejection(t));
  }, 'Register different scripts concurrently');

async_test(function(t) {
    var scope = 'resources/scope/register-then-register-new-script';
    var registration;

    service_worker_unregister_and_register(t, script1, scope)
      .then(function(r) {
          registration = r;
          return wait_for_state(t, registration.installing, 'activated');
        })
      .then(function() {
          assert_equals(registration.installing, null,
                        'on activated, installing should be null');
          assert_equals(registration.waiting, null,
                        'on activated, waiting should be null');
          assert_equals(registration.active.scriptURL, script1,
                        'on activated, the first script should be active');
          return navigator.serviceWorker.register(script2, {scope:scope});
        })
      .then(function(r) {
          registration = r;
          assert_equals(registration.installing.scriptURL, script2,
                        'on second register, the second script should be ' +
                        'installing');
          assert_equals(registration.waiting, null,
                        'on second register, waiting should be null');
          assert_equals(registration.active.scriptURL, script1,
                        'on second register, the first script should be ' +
                        'active');
          return wait_for_state(t, registration.installing, 'installed');
        })
      .then(function() {
          assert_equals(registration.installing, null,
                        'on installed, installing should be null');
          assert_equals(registration.waiting.scriptURL, script2,
                        'on installed, the second script should be waiting');
          assert_equals(registration.active.scriptURL, script1,
                        'on installed, the first script should be active');
          return registration.unregister();
        })
      .then(function() {
          t.done();
        })
      .catch(unreached_rejection(t));
  }, 'Register then register new script URL');

async_test(function(t) {
    var scope = 'resources/scope/register-then-register-new-script-404';
    var registration;

    service_worker_unregister_and_register(t, script1, scope)
      .then(function(r) {
          registration = r;
          return wait_for_state(t, registration.installing, 'activated');
        })
      .then(function() {
          assert_equals(registration.installing, null,
                        'on activated, installing should be null');
          assert_equals(registration.waiting, null,
                        'on activated, waiting should be null');
          assert_equals(registration.active.scriptURL, script1,
                        'on activated, the first script should be active');
          return navigator.serviceWorker.register('this-will-404.js',
                                                  {scope:scope});
        })
      .then(
        function() { assert_unreached('register should reject'); },
        function(error) {
          assert_equals(registration.installing, null,
                        'on rejected, installing should be null');
          assert_equals(registration.waiting, null,
                        'on rejected, waiting should be null');
          assert_equals(registration.active.scriptURL, script1,
                        'on rejected, the first script should be active');
          return registration.unregister();
        })
      .then(function() {
          t.done();
        })
      .catch(unreached_rejection(t));
  }, 'Register then register new script URL that 404s');

async_test(function(t) {
    var scope = 'resources/scope/register-then-register-new-script-reject-install';
    var reject_script = normalizeURL('resources/reject-install-worker.js');
    var registration;

    service_worker_unregister_and_register(t, script1, scope)
      .then(function(r) {
          registration = r;
          return wait_for_state(t, registration.installing, 'activated');
        })
      .then(function() {
          assert_equals(registration.installing, null,
                        'on activated, installing should be null');
          assert_equals(registration.waiting, null,
                        'on activated, waiting should be null');
          assert_equals(registration.active.scriptURL, script1,
                        'on activated, the first script should be active');
          return navigator.serviceWorker.register(reject_script, {scope:scope});
        })
      .then(function(r) {
          registration = r;
          assert_equals(registration.installing.scriptURL, reject_script,
                        'on update, the second script should be installing');
          assert_equals(registration.waiting, null,
                        'on update, waiting should be null');
          assert_equals(registration.active.scriptURL, script1,
                        'on update, the first script should be active');
          return wait_for_state(t, registration.installing, 'redundant');
        })
      .then(function() {
          assert_equals(registration.installing, null,
                        'on redundant, installing should be null');
          assert_equals(registration.waiting, null,
                        'on redundant, waiting should be null');
          assert_equals(registration.active.scriptURL, script1,
                        'on redundant, the first script should be active');
          return registration.unregister();
        })
      .then(function() {
          t.done();
        })
      .catch(unreached_rejection(t));
  }, 'Register then register new script that does not install');

async_test(function(t) {
    var scope = 'resources/scope/register-new-script-controller';
    var iframe;
    var registration;

    service_worker_unregister_and_register(t, script1, scope)
      .then(function(r) {
          registration = r;
          return wait_for_state(t, registration.installing, 'activated');
        })
      .then(function() {
          return with_iframe(scope);
        })
      .then(function(frame) {
          iframe = frame;
          return navigator.serviceWorker.register(script2, { scope: scope })
        })
      .then(function(r) {
          registration = r;
          return wait_for_state(t, registration.installing, 'installed');
        })
      .then(function() {
          var sw_container = iframe.contentWindow.navigator.serviceWorker;
          assert_equals(sw_container.controller.scriptURL, script1,
                        'the old version should control the old doc');
          return with_iframe(scope);
        })
      .then(function(frame) {
          var sw_container = frame.contentWindow.navigator.serviceWorker;
          assert_equals(sw_container.controller.scriptURL, script1,
                        'the old version should control a new doc');
          var onactivated_promise = wait_for_state(t,
                                                   registration.waiting,
                                                   'activated');
          frame.remove();
          iframe.remove();
          return onactivated_promise;
        })
      .then(function() {
          return with_iframe(scope);
        })
      .then(function(frame) {
          var sw_container = frame.contentWindow.navigator.serviceWorker;
          assert_equals(sw_container.controller.scriptURL, script2,
                        'the new version should control a new doc');
          frame.remove();
          return registration.unregister();
        })
      .then(function() {
          t.done();
        })
      .catch(unreached_rejection(t));
  }, 'Register same-scope new script url effect on controller');

</script>