browser_rules_refresh-on-style-change.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Test that the rule view refreshes when the current node has its style

// changed

const TEST_URI = "<div id='testdiv' style='font-size: 10px;''>Test div!</div>";

add_task(async function () {

  Services.prefs.setCharPref("devtools.defaultColorUnit", "name");

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

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

  await selectNode("#testdiv", inspector);

  let fontSize = getRuleViewPropertyValue(view, "element", "font-size");

  is(fontSize, "10px", "The rule view shows the right font-size");

  info("Changing the node's style and waiting for the update");

  const onUpdated = inspector.once("rule-view-refreshed");

  await setContentPageElementAttribute(

    "#testdiv",

    "style",

    "font-size: 3em; color: lightgoldenrodyellow; " +

      "text-align: right; text-transform: uppercase"

);

  await onUpdated;

  const textAlign = getRuleViewPropertyValue(view, "element", "text-align");

  is(textAlign, "right", "The rule view shows the new text align.");

  const color = getRuleViewPropertyValue(view, "element", "color");

  is(color, "lightgoldenrodyellow", "The rule view shows the new color.");

  fontSize = getRuleViewPropertyValue(view, "element", "font-size");

  is(fontSize, "3em", "The rule view shows the new font size.");

  const textTransform = getRuleViewPropertyValue(

    view,

    "element",

    "text-transform"

);

  is(textTransform, "uppercase", "The rule view shows the new text transform.");

});