navigation-timing-sizes.https.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:
- /service-workers/service-worker/navigation-timing-sizes.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>Service Worker Navigation Timing</title>

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

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

<script src="resources/test-helpers.sub.js"></script>

<body>

  <script>

    promise_test(async t => {

      var script = 'resources/pass-through-worker.js';

      var scope = 'resources/blank.html';

      const registration = await service_worker_unregister_and_register(t, script, scope);

      t.add_cleanup(() => registration.unregister());

      await wait_for_state(t, registration.installing, 'activated');

      const iframe = await with_iframe(scope);

      // Sanity, to check that we actually loaded the document.

      assert_equals(iframe.contentWindow.document.title, "Empty doc");

      t.add_cleanup(() => iframe.remove());

      const navigationEntry = iframe.contentWindow.performance.getEntriesByType("navigation")[0];

      const main_page_resource_timing = performance.getEntriesByType("resource").filter(

        e => e.name.includes('blank'))[0];

      assert_greater_than(navigationEntry.encodedBodySize, 0,

        'Navigation timing should have encodedBodySize larger than 0.');

      assert_equals(navigationEntry.decodedBodySize, navigationEntry.encodedBodySize,

        'Navigation timing\'s decodedBodySize and encodedBodySize should be equal.');

      assert_greater_than(main_page_resource_timing.encodedBodySize, 0,

        'Corresponding resource timing emitted on parent page should have decodedBodySize larger than 0.');

      assert_equals(main_page_resource_timing.encodedBodySize, main_page_resource_timing.decodedBodySize,

        'Corresponding resource timing emitted on parent page should have equal\

        decodedBodySize and encodedBodySize.');

    }, 'Body sizes in a regular pass-through');

    promise_test(async t => {

      var script = 'resources/pass-through-worker.js';

      var scope = 'resources/blank.html';

      const registration = await service_worker_unregister_and_register(t, script, scope);

      t.add_cleanup(() => registration.unregister());

      await wait_for_state(t, registration.installing, 'activated');

      const iframe = await with_iframe(scope + "?pipe=gzip");

      // Sanity, to check that we actually loaded the document.

      assert_equals(iframe.contentWindow.document.title, "Empty doc");

      t.add_cleanup(() => iframe.remove());

      const navigationEntry = iframe.contentWindow.performance.getEntriesByType("navigation")[0];

      const main_page_resource_timing = performance.getEntriesByType("resource").filter(

        e => e.name.includes('blank'))[0];

      assert_greater_than(navigationEntry.decodedBodySize, 0,

        'Navigation timing should have decodedBodySize larger than 0.');

      // The response body that comes from a service worker respondWith promise

      // should have identical encoded and decoded body sizes, regardless of what

      // the service worker itself saw, according to the spec.

      assert_equals(navigationEntry.encodedBodySize, navigationEntry.decodedBodySize,

        'Navigation timing should have equal decodedBodySize and encodedBodySize.');

      assert_greater_than(main_page_resource_timing.decodedBodySize, 0,

        'Corresponding resource timing emitted on parent page should have decodedBodySize larger than 0.');

      assert_equals(main_page_resource_timing.encodedBodySize, navigationEntry.decodedBodySize,

        'Corresponding resource timing emitted on parent page should have equal decodedBodySize and \

        encodedBodySize.');

    }, 'Body sizes in a regular pass-through with gzip');

  </script>

</body>