chromium/src/third_party/blink/web_tests/http/tests/devtools/network/network-xhr-binary-content.js

// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

(async function() {
  TestRunner.addResult(`Tests that binary XHR response is not corrupted.\n`);
  await TestRunner.loadModule('network_test_runner');
  await TestRunner.showPanel('network');

  NetworkTestRunner.recordNetwork();
  NetworkTestRunner.makeSimpleXHR('GET', 'resources/binary.data', true, step2);

  async function step2() {
    var request = NetworkTestRunner.networkRequests().pop();
    TestRunner.addResult('request.type: ' + request.resourceType());
    TestRunner.addResult('request.mimeType: ' + request.mimeType);

    var contentData = await request.contentData();

    TestRunner.addResult('request.contentEncoded: ' + contentData.encoded);
    TestRunner.addResult('request.content: ' + contentData.content);
    var raw = window.atob(contentData.content);
    var bytes = [];
    for (var i = 0; i < raw.length; ++i)
      bytes.push(raw.charCodeAt(i));
    TestRunner.addResult('request.content decoded: ' + bytes.join(', '));
    TestRunner.completeTest();
  }
})();