toolkit/components/extensions/test/mochitest/test_ext_background_api_injection.html


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<!DOCTYPE HTML>
<html>
<head>
  <title>Test for privilege escalation into content pages</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="/tests/SimpleTest/SpawnTask.js"></script>
  <script type="text/javascript" src="/tests/SimpleTest/ExtensionTestUtils.js"></script>
  <script type="text/javascript" src="head.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>

<script type="text/javascript">
"use strict";

add_task(function* testBackgroundWindow() {
  let extension = ExtensionTestUtils.loadExtension({
    background: function() {
      const BASE = "http://mochi.test:8888/tests/toolkit/components/extensions/test/mochitest";

      browser.test.log("background script executed");
      window.location = `${BASE}/file_privilege_escalation.html`;
    },
  });

  let awaitConsole = new Promise(resolve => {
    let chromeScript = SpecialPowers.loadChromeScript(
      SimpleTest.getTestFileURL("file_ext_test_api_injection.js"));

    chromeScript.addMessageListener("console-message", resolve);
  });

  yield extension.startup();

  let message = yield awaitConsole;

  ok(message.message.includes("WebExt Privilege Escalation: typeof(browser) = undefined"),
     "Document does not have `browser` APIs.");

  yield extension.unload();
});

</script>

</body>
</html>