summaryrefslogtreecommitdiffstats
path: root/dom/tests/mochitest/webcomponents/test_shadowroot.html
blob: 9f913d007ea8893889c142e83b8be1f8227ddbc5 (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
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=806506
-->
<head>
  <title>Test for ShadowRoot</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<div id="movedtoshadow" class="testclass"></div>
<svg id="svgmovedtoshadow"></svg>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=806506">Bug 806506</a>
<script>
// Create ShadowRoot.
var element = document.createElement("div");
ok(!element.shadowRoot, "div element should not have a shadow root.");
var shadow = element.createShadowRoot();
is(element.shadowRoot, shadow, "shadowRoot property should return the same shadow root that was just created.");

// Move an element from the document to the ShadowRoot.
var inShadowEl = document.getElementById("movedtoshadow");
var inShadowSVGEl = document.getElementById("svgmovedtoshadow");

// Test getElementById
ok(!shadow.getElementById("movedtoshadow"), "Element not in ShadowRoot should not be accessible from ShadowRoot API.");
ok(!shadow.getElementById("svgmovedtoshadow"), "SVG element not in ShadowRoot should not be accessible from ShadowRoot API.");
shadow.appendChild(inShadowEl);
shadow.appendChild(inShadowSVGEl);
is(shadow.getElementById("movedtoshadow"), inShadowEl, "Element appended to a ShadowRoot should be accessible from ShadowRoot API.");
ok(!document.getElementById("movedtoshadow"), "Element appended to a ShadowRoot should not be accessible from document.");
is(shadow.getElementById("svgmovedtoshadow"), inShadowSVGEl, "SVG element appended to a ShadowRoot should be accessible from ShadowRoot API.");
ok(!document.getElementById("svgmovedtoshadow"), "SVG element appended to a ShadowRoot should not be accessible from document.");

// Test getElementsByClassName
is(document.getElementsByClassName("testclass").length, 0, "Element removed from DOM should not be accessible by DOM accessors.");
is(shadow.getElementsByClassName("testclass").length, 1, "Element added to ShadowRoot should be accessible by ShadowRoot API.");

// Test getElementsByTagName{NS}
is(document.getElementsByTagName("div").length, 0, "Element removed from DOM should not be accessible from DOM accessors.");
is(shadow.getElementsByTagName("div").length, 1, "Elements in the ShadowRoot should be accessible from the ShadowRoot API.");
is(document.getElementsByTagName("svg").length, 0, "SVG elements removed from DOM should not be accessible from DOM accessors.");
is(shadow.getElementsByTagName("svg").length, 1, "SVG element in the ShadowRoot should be accessible from the ShadowRoot API.");
is(shadow.getElementsByTagNameNS("http://www.w3.org/2000/svg", "svg").length, 1, "SVG element in the ShadowRoot should be accessible from the ShadowRoot API.");

// Remove elements from ShadowRoot and make sure that they are no longer accessible via the ShadowRoot API.
shadow.removeChild(inShadowEl);
shadow.removeChild(inShadowSVGEl);
ok(!shadow.getElementById("movedtoshadow"), "ShadowRoot API should not be able to access elements removed from ShadowRoot.");
ok(!shadow.getElementById("svgmovedtoshadow"), "ShadowRoot API should not be able to access elements removed from ShadowRoot.");
is(shadow.getElementsByClassName("testclass").length, 0, "ShadowRoot getElementsByClassName should not be able to access elements removed from ShadowRoot.");
is(shadow.getElementsByTagName("svg").length, 0, "ShadowRoot getElementsByTagName should not be able to access elements removed from ShadowRoot.");
is(shadow.getElementsByTagNameNS("http://www.w3.org/2000/svg", "svg").length, 0, "ShadowRoot getElementsByTagNameNS should not be able to access elements removed from ShadowRoot.");

// Test querySelector on element in a ShadowRoot.
element = document.createElement("div");
shadow = element.createShadowRoot();
var parentDiv = document.createElement("div");
var childSpan = document.createElement("span");
childSpan.id = "innerdiv";
parentDiv.appendChild(childSpan);
is(parentDiv.querySelector("#innerdiv"), childSpan, "ID query selector should work on element in ShadowRoot.");
is(parentDiv.querySelector("span"), childSpan, "Tag query selector should work on element in ShadowRoot.");

// Test that exception is thrown when trying to create a cycle with host node.
element = document.createElement("div");
shadow = element.createShadowRoot();
try {
  shadow.appendChild(element);
  ok(false, "Excpetion should be thrown when creating a cycle with host content.");
} catch (ex) {
  ok(true, "Excpetion should be thrown when creating a cycle with host content.");
}

// Basic innerHTML tests.
shadow.innerHTML = '<span id="first"></span><div id="second"></div>';
is(shadow.childNodes.length, 2, "There should be two children in the ShadowRoot.");
is(shadow.getElementById("second").tagName, "DIV", "Elements created by innerHTML should be accessible by ShadowRoot API.");

</script>
</body>
</html>