/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
 http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

// Test that a grid highlighter showing grid gaps can be displayed after reloading the
// page (Bug 1342051).

const TEST_URI = `
  <style type='text/css'>
    #grid {
      display: grid;
      grid-gap: 10px;
    }
  </style>
  <div id="grid">
    <div id="cell1">cell1</div>
    <div id="cell2">cell2</div>
  </div>
`;

add_task(async function() {
  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));

  info("Check that the grid highlighter can be displayed");
  await checkGridHighlighter();

  info("Close the toolbox before reloading the tab");
  let target = TargetFactory.forTab(gBrowser.selectedTab);
  await gDevTools.closeToolbox(target);

  await refreshTab();

  info("Check that the grid highlighter can be displayed after reloading the page");
  await checkGridHighlighter();
});

async function checkGridHighlighter() {
  let {inspector, view} = await openRuleView();
  let {highlighters} = view;

  await selectNode("#grid", inspector);
  let container = getRuleViewProperty(view, "#grid", "display").valueSpan;
  let gridToggle = container.querySelector(".ruleview-grid");

  info("Toggling ON the CSS grid highlighter from the rule-view.");
  let onHighlighterShown = highlighters.once("grid-highlighter-shown");
  gridToggle.click();
  await onHighlighterShown;

  ok(highlighters.gridHighlighterShown, "CSS grid highlighter is shown.");
}
