browser_webconsole_webextension_promise_rejection.js

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/* Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/publicdomain/zero/1.0/ */

// Tests that an uncaught promise rejection from a content script

// is reported to the tabs' webconsole.

"use strict";

const TEST_URI =

  "https://example.com/browser/devtools/client/webconsole/" +

  "test/browser/test-blank.html";

add_task(async function () {

  const extension = ExtensionTestUtils.loadExtension({

    manifest: {

      content_scripts: [

          matches: [TEST_URI],

          js: ["content-script.js"],

},

],

},

    files: {

      "content-script.js": function () {

        Promise.reject("abc");

},

},

});

  await extension.startup();

  const hud = await openNewTabAndConsole(TEST_URI);

  await waitFor(() => findErrorMessage(hud, "uncaught exception: abc"));

  await extension.unload();

});