test_ext_response_constructor.html

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<html>

<head>

  <meta charset="utf-8">

  <title>Test `Response` constructor in a WebExtension</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <script src="/tests/SimpleTest/ExtensionTestUtils.js"></script>

  <link rel="stylesheet" href="/tests/SimpleTest/test.css"/>

  <script>

    add_task(async function testResponseConstructor() {

      /* eslint-env webextensions */

      function contentScript() {

        new Response();

        browser.test.notifyPass("done");

      const extension = ExtensionTestUtils.loadExtension({

        manifest: {

          content_scripts: [

              matches: ["<all_urls>"],

              js: ["content_script.js"],

},

],

},

        files: {

          "content_script.js": contentScript,

},

});

      await extension.startup();

      const win = window.open("https://example.com");

      await extension.awaitFinish("done");

      win.close();

      await extension.unload();

});

  </script>

</head>

<body>

<p id="display"></p>

<div id="content" style="display: none"></div>

<pre id="test"></pre>

</body>

</html>