browser_rules_edit-selector_10.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Regression test for bug 1293616: make sure that editing a selector

// keeps the rule in the proper position.

const TEST_URI = `

  <style type="text/css">

    #testid span, #testid p {

      background: aqua;

    span {

      background: fuchsia;

  </style>

  <div id="testid">

    <span class="pickme">

      Styled Node

    </span>

  </div>

`;

add_task(async function () {

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

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

  await selectNode(".pickme", inspector);

  await testEditSelector(view);

});

async function testEditSelector(view) {

  let ruleEditor = getRuleViewRuleEditor(view, 1);

  const editor = await focusEditableField(view, ruleEditor.selectorText);

  editor.input.value = "#testid span";

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

  EventUtils.synthesizeKey("KEY_Enter");

  await onRuleViewChanged;

  // Get the new rule editor that replaced the original

  ruleEditor = getRuleViewRuleEditor(view, 1);

  info("Check that the correct rules are visible");

  is(view._elementStyle.rules.length, 3, "Should have 3 rules.");

is(

    ruleEditor.element.getAttribute("unmatched"),

    "false",

    "Rule editor is matched."

);

  let props = ruleEditor.rule.textProps;

  is(props.length, 1, "Rule has correct number of properties");

  is(props[0].name, "background", "Found background property");

  ok(!props[0].overridden, "Background property is not overridden");

  ruleEditor = getRuleViewRuleEditor(view, 2);

  props = ruleEditor.rule.textProps;

  is(props.length, 1, "Rule has correct number of properties");

  is(props[0].name, "background", "Found background property");

  ok(props[0].overridden, "Background property is overridden");