link_header_prefetch_deny.sub.window.js

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This WPT test may be referenced by the following Test IDs:
- /connection-allowlist/tentative/link_header_prefetch_deny.sub.window.html - WPT Dashboard Interop Dashboard

// META: script=/common/utils.js

// META: script=resources/utils.js

// META: timeout=long

//

// The test assumes the policy `Connection-Allowlist: (response-origin)` has

// been set in the response. The response also contains a link header that

// triggers a prefetch to the cross-origin KV server at

// http://{{hosts[][www]}}:{{ports[http][0]}}.

promise_test(async (t) => {

  const result = await Promise.race([

    new Promise(r => t.step_timeout(r, 1000)),

    nextValueFromServer('639d1a56-16f6-4f1d-8739-87b1278441e6')

]);

  assert_true(typeof result === 'undefined');

}, 'Link header prefetch to a not allow-listed url fails.');