subresource-integrity-empty-resource-allowed.html

<html>
<head>
  <title>Allow an empty resource.</title>
  <script>
    if (window.testRunner)
      testRunner.dumpAsText();
  </script>
  <script src="resources/empty.js?allow" type="text/javascript" integrity="sha256-47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU="></script>
</head>
<body>
  <p>The test passes if the zero-byte resource is allowed.</p>
</body>
</html>

chromium/third_party/blink/web_tests/http/tests/security/subresourceIntegrity/subresource-integrity-empty-resource-allowed.html