browser/devtools/markupview/test/browser_markupview_pagesize_02.js

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1 /* vim: set ts=2 et sw=2 tw=80: */
2 /* Any copyright is dedicated to the Public Domain.
3 http://creativecommons.org/publicdomain/zero/1.0/ */
4
5 "use strict";
6
7 // Tests that the markup view loads only as many nodes as specified
8 // by the devtools.markup.pagesize preference and that pressing the "show all nodes"
9 // actually shows the nodes
10
11 const TEST_URL = TEST_URL_ROOT + "doc_markup_pagesize_02.html";
12
13 // Make sure nodes are hidden when there are more than 5 in a row
14 Services.prefs.setIntPref("devtools.markup.pagesize", 5);
15
16 let test = asyncTest(function*() {
17 let {inspector} = yield addTab(TEST_URL).then(openInspector);
18
19 info("Selecting the UL node");
20 yield clickContainer("ul", inspector);
21 info("Reloading the page with the UL node selected will expand its children");
22 yield reloadPage(inspector);
23 yield inspector.markup._waitForChildren();
24
25 info("Click on the 'show all nodes' button in the UL's list of children");
26 yield showAllNodes(inspector);
27
28 assertAllNodesAreVisible(inspector);
29 });
30
31 function showAllNodes(inspector) {
32 let container = getContainerForRawNode("ul", inspector);
33 let button = container.elt.querySelector("button");
34 ok(button, "All nodes button is here");
35 let win = button.ownerDocument.defaultView;
36
37 EventUtils.sendMouseEvent({type: "click"}, button, win);
38 return inspector.markup._waitForChildren();
39 }
40
41 function assertAllNodesAreVisible(inspector) {
42 let ul = getNode("ul");
43 let container = getContainerForRawNode(ul, inspector);
44 ok(!container.elt.querySelector("button"), "All nodes button isn't here anymore");
45 is(container.children.childNodes.length, ul.children.length);
46 }

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