browser_rules_edit-property-remove_04.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Tests that removing the only declaration from a rule and unselecting then re-selecting

// the element will not restore the removed declaration. Bug 1512956

const TEST_URI = `

  <style type='text/css'>

  #testid {

    color: #00F;

  </style>

  <div id='testid'>Styled Node</div>

  <div id='empty'></div>

`;

add_task(async function () {

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

  const { inspector, view } = await openRuleView();

  info("Select original node");

  await selectNode("#testid", inspector);

  info("Get the first property in the #testid rule");

  const rule = getRuleViewRuleEditor(view, 1).rule;

  const prop = rule.textProps[0];

  info("Delete the property name to remove the declaration");

  const onRuleViewChanged = view.once("ruleview-changed");

  await removeProperty(view, prop, false);

  info("Wait for Rule view to update");

  await onRuleViewChanged;

  is(rule.textProps.length, 0, "No CSS properties left on the rule");

  info("Select another node");

  await selectNode("#empty", inspector);

  info("Select original node again");

  await selectNode("#testid", inspector);

  is(rule.textProps.length, 0, "Still no CSS properties on the rule");

});