devtools/client/dom/test/browser_dom_refresh.js


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/* Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

const TEST_PAGE_URL = URL_ROOT + "page_basic.html";

/**
 * Basic test that checks the Refresh action in DOM panel.
 */
add_task(async function () {
  info("Test DOM panel basic started");

  const { panel } = await addTestTab(TEST_PAGE_URL);

  // Create a new variable in the page scope and refresh the panel.
  await SpecialPowers.spawn(gBrowser.selectedBrowser, [], () => {
    content.wrappedJSObject._b = 10;
  });

  await refreshPanel(panel);

  // Verify that the variable is displayed now.
  const row = getRowByLabel(panel, "_b");
  ok(row, "New variable must be displayed");

  await SpecialPowers.spawn(gBrowser.selectedBrowser, [], () => {
    delete content.wrappedJSObject._b;
  });
});