browser_screenshots_test_page_crash.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

add_task(async function test_fullpageScreenshot() {

  await BrowserTestUtils.withNewTab(

      gBrowser,

      url: TEST_PAGE,

},

    async browser => {

      let helper = new ScreenshotsHelper(browser);

      // click toolbar button so UI shows

      helper.triggerUIFromToolbar();

      await helper.waitForOverlay();

      let panel = await helper.waitForPanel(gBrowser.selectedBrowser);

      let waitForPanelHide = BrowserTestUtils.waitForMutationCondition(

        panel,

        { attributes: true },

        () => {

          return BrowserTestUtils.isHidden(panel);

);

      await BrowserTestUtils.crashFrame(browser);

      await waitForPanelHide;

ok(

        BrowserTestUtils.isHidden(panel),

        "Panel buttons are hidden after page crash"

);

      await ContentTask.spawn(browser, null, async () => {

        let screenshotsChild = content.windowGlobalChild.getActor(

          "ScreenshotsComponent"

);

        Assert.ok(!screenshotsChild._overlay, "The overlay doesn't exist");

});

      let tab = gBrowser.getTabForBrowser(browser);

      SessionStore.reviveCrashedTab(tab);

ok(

        BrowserTestUtils.isHidden(panel),

        "Panel buttons are hidden after page crash"

);

);

});