preload-image-png-mislabeled-as-html-nosniff.tentative.sub.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /fetch/corb/preload-image-png-mislabeled-as-html-nosniff.tentative.sub.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<!-- This test verifies observable CORB impact on <link rel="preload"> elements.

-->

<meta charset="utf-8">

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

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

<div id=log></div>

<script>

async_test(function(t) {

  // With CORB the link.onerror event will be reached

  // (because CORB will block the cross-origin preload).

  window.preloadErrorEvent = t.step_func_done();

  // Without CORB the link.onload event will be reached.

  window.preloadLoadEvent = t.unreached_func("link/preload onload event reached.");

});

</script>

<!-- www1 is cross-origin, so the HTTP response is CORB-eligible -->

<link rel="preload" as="image"

      onerror="window.preloadErrorEvent()"

      onload="window.preloadLoadEvent()"

      href="http://{{domains[www1]}}:{{ports[http][0]}}/fetch/corb/resources/png-mislabeled-as-html-nosniff.png">