response-arraybuffer-realm.window.js

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This WPT test may be referenced by the following Test IDs:
- /fetch/api/response/response-arraybuffer-realm.window.html - WPT Dashboard Interop Dashboard

// META: title=realm of Response arrayBuffer()

'use strict';

promise_test(async () => {

  await new Promise(resolve => {

    onload = resolve;

});

  let iframe = document.createElement('iframe');

  document.body.appendChild(iframe);

  iframe.srcdoc = '<!doctype html>';

  await new Promise(resolve => {

    iframe.onload = resolve;

});

  let otherRealm = iframe.contentWindow;

  let ab = await window.Response.prototype.arrayBuffer.call(new otherRealm.Response(''));

  assert_true(ab instanceof otherRealm.ArrayBuffer, "ArrayBuffer should be created in receiver's realm");

  assert_false(ab instanceof ArrayBuffer, "ArrayBuffer should not be created in the arrayBuffer() methods's realm");

}, 'realm of the ArrayBuffer from Response arrayBuffer()');