summaryrefslogtreecommitdiffstats
path: root/devtools/client/inspector/computed/test/browser_computed_refresh-on-style-change_01.js
blob: 190593497bfe112b66d18cb326016037d391c046 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
/* Any copyright is dedicated to the Public Domain.
 http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

// Tests that the computed 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 () {
  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
  const { inspector, view } = await openComputedView();
  await selectNode("#testdiv", inspector);

  let fontSize = getComputedViewPropertyValue(view, "font-size");
  is(fontSize, "10px", "The computed view shows the right font-size");

  info("Changing the node's style and waiting for the update");
  const onUpdated = inspector.once("computed-view-refreshed");
  await setContentPageElementAttribute(
    "#testdiv",
    "style",
    "font-size: 15px; color: red;"
  );
  await onUpdated;

  fontSize = getComputedViewPropertyValue(view, "font-size");
  is(fontSize, "15px", "The computed view shows the updated font-size");
  const color = getComputedViewPropertyValue(view, "color");
  is(color, "rgb(255, 0, 0)", "The computed view also shows the color now");
});