summaryrefslogtreecommitdiffstats
path: root/devtools/client/inspector/rules/test/browser_rules_refresh-no-flicker.js
blob: 51589a412d0d8113995dd620b7634eb06f9f4cac (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
33
34
35
36
37
38
/* Any copyright is dedicated to the Public Domain.
 http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

// Test that the rule view does not go blank while selecting a new node.

const TESTCASE_URI = "data:text/html;charset=utf-8," +
                     "<div id=\"testdiv\" style=\"font-size:10px;\">" +
                     "Test div!</div>";

add_task(function* () {
  yield addTab(TESTCASE_URI);

  info("Opening the rule view and selecting the test node");
  let {inspector, view} = yield openRuleView();
  let testdiv = yield getNodeFront("#testdiv", inspector);
  yield selectNode(testdiv, inspector);

  let htmlBefore = view.element.innerHTML;
  ok(htmlBefore.indexOf("font-size") > -1,
     "The rule view should contain a font-size property.");

  // Do the selectNode call manually, because otherwise it's hard to guarantee
  // that we can make the below checks at a reasonable time.
  info("refreshing the node");
  let p = view.selectElement(testdiv, true);
  is(view.element.innerHTML, htmlBefore,
     "The rule view is unchanged during selection.");
  ok(view.element.classList.contains("non-interactive"),
     "The rule view is marked non-interactive.");
  yield p;

  info("node refreshed");
  ok(!view.element.classList.contains("non-interactive"),
     "The rule view is marked interactive again.");
});