link-header-preload.html | Explore in Territory

<!DOCTYPE html>
<title>Makes sure that Link headers preload resources</title>
<!--
  This and the line below ensure that the trailing crossorigin in the link
  header is honored, otherwise we'd load this resource twice and the test would
  fail.
-->
<script src="resources/module1.mjs" type="module" crossorigin></script>
<script src="resources/module1.js" type="module" crossorigin></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/preload/resources/preload_helper.js"></script>

<body>
  <script>
    setup({ single_test: true });

    var iterations = 0;

    function check_finished() {
      if (numberOfResourceTimingEntries("resources/module1.js") == 1 &&
        numberOfResourceTimingEntries("resources/module1.mjs") == 1) {
        done();
      }
      iterations++;
      if (iterations == 10) {
        // At least one is expected to fail, but this should give details to the exact failure(s).
        verifyNumberOfResourceTimingEntries("resources/module1.js", 1);
        verifyNumberOfResourceTimingEntries("resources/module1.mjs", 1);
        done();
      } else {
        step_timeout(check_finished, 500);
      }
    }

    window.addEventListener("load", function () {
      verifyPreloadAndRTSupport();
      step_timeout(check_finished, 500);
    });
  </script>
</body>
chromium/third_party/blink/web_tests/wpt_internal/preload/link-header-preload.html
