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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="resources/testharness-helpers.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script>
function wait_for_install_event(worker) {
  return new Promise(function(resolve) {
      worker.addEventListener('statechange', function(event) {
          if (worker.state == 'installed')
            resolve(true);
          else if (worker.state == 'redundant')
            resolve(false);
        });
    });
}

function make_test(name, script, expect_install) {
  promise_test(function(t) {
      var scope = script;
      return service_worker_unregister_and_register(t, script, scope)
        .then(function(registration) {
            return wait_for_install_event(registration.installing);
          })
        .then(function(did_install) {
            assert_equals(did_install, expect_install,
                          'The worker was installed');
          })
    }, name);
}

[
  {
    name: 'install handler throws an error',
    script: 'resources/oninstall-throw-error-worker.js',
    expect_install: true
  },
  {
    name: 'install handler throws an error, error handler does not cancel',
    script: 'resources/oninstall-throw-error-with-empty-onerror-worker.js',
    expect_install: true
  },
  {
    name: 'install handler dispatches an event that throws an error',
    script: 'resources/oninstall-throw-error-from-nested-event-worker.js',
    expect_install: true
  },
  {
    name: 'install handler throws an error in the waitUntil',
    script: 'resources/oninstall-waituntil-throw-error-worker.js',
    expect_install: false
  },

  // The following two cases test what happens when the ServiceWorkerGlobalScope
  // 'error' event handler cancels the resulting error event.  Since the
  // original 'install' event handler through, the installation should still
  // be stopped in this case.  See:
  // https://github.com/slightlyoff/ServiceWorker/issues/778
  {
    name: 'install handler throws an error that is cancelled',
    script: 'resources/oninstall-throw-error-then-cancel-worker.js',
    expect_install: true
  },
  {
    name: 'install handler throws an error and prevents default',
    script: 'resources/oninstall-throw-error-then-prevent-default-worker.js',
    expect_install: true
  }
].forEach(function(test_case) {
    make_test(test_case.name, test_case.script, test_case.expect_install);
  });
</script>