browser_browser_toolbox_print_preview.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

// There are shutdown issues for which multiple rejections are left uncaught.

// See bug 1018184 for resolving these issues.

const { PromiseTestUtils } = ChromeUtils.importESModule(

  "resource://testing-common/PromiseTestUtils.sys.mjs"

);

PromiseTestUtils.allowMatchingRejectionsGlobally(/File closed/);

Services.scriptloader.loadSubScript(

  "chrome://mochitests/content/browser/devtools/client/inspector/test/shared-head.js",

  this

);

// On debug test machine, it takes about 50s to run the test.

requestLongerTimeout(4);

// Test that the MultiProcessBrowserToolbox can be opened when print preview is

// started, and can select elements in the print preview document.

add_task(async function () {

  // Forces the Browser Toolbox to open on the inspector by default

  await pushPref("devtools.browsertoolbox.panel", "inspector");

  // Enable Multiprocess Browser Toolbox

  await pushPref("devtools.browsertoolbox.scope", "everything");

  // Open the tab *after* opening the Browser Toolbox in order to force creating the remote frames

  // late and exercise frame target watching code.

  await addTab(`data:text/html,<div id="test-div">PRINT PREVIEW TEST</div>`);

  info("Start the print preview for the current tab");

  document.getElementById("cmd_print").doCommand();

  const ToolboxTask = await initBrowserToolboxTask();

  await ToolboxTask.importFunctions({

    getNodeFront,

    getNodeFrontInFrames,

    selectNode,

    // selectNodeInFrames depends on selectNode, getNodeFront, getNodeFrontInFrames.

    selectNodeInFrames,

});

  const hasCloseButton = await ToolboxTask.spawn(null, async () => {

    /* global gToolbox */

    const inspector = gToolbox.getPanel("inspector");

    info("Select the #test-div element in the printpreview document");

    await selectNodeInFrames(

      ['browser[printpreview="true"]', "#test-div"],

      inspector

);

    return !!gToolbox.doc.getElementById("toolbox-close");

});

  ok(!hasCloseButton, "Browser toolbox doesn't have a close button");

  await ToolboxTask.destroy();

});