data-saver-enabled-policy-none.html

<html>
<title>Tests for 'Save-Data' header when Data Saver is enabled and the policy is 'none'.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
internals.setSaveDataEnabled(true);
</script>
<iframe allow="ch-save-data 'none';" srcdoc="
<!DOCTYPE html>
<script src='/resources/testharness.js'></script>
<script src='/resources/testharnessreport.js'></script>
<script>
var CHECK_PATH = './resources/check-save-data-header.php';
var METHODS = ['GET', 'POST', 'PUT'];
var REQUESTS =
    METHODS.map(method => new Request(CHECK_PATH, {method: method}));
window.top.promise_test(t => {
  return Promise.all(REQUESTS.map(request => fetch(request.clone())))
    .then(responses => Promise.all(responses.map(response => response.text())))
    .then(texts => {
        for (var i = 0; i < METHODS.length; ++i) {
          assert_equals(texts[i], 'No Save-Data');
        }
      });
}, 'Save-Data should not be sent when enabled if policy is none.');
</script>
"></iframe>
</html>

chromium/third_party/blink/web_tests/http/tests/fetch/chromium/data-saver-enabled-policy-none.html