summaryrefslogtreecommitdiffstats
path: root/dom/tests/mochitest/webcomponents/test_nested_content_element.html
blob: 1d98d2996ba29e7e8d27dea33b596fe9e18e3549 (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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=806506
-->
<head>
  <title>Test for HTMLContent element</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="grabme"></div>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=806506">Bug 806506</a>
<script>

/**
 * Constructs a node with a nested ShadowRoot with the following structure:
 * <span> - - - - - - - - - - <ShadowRoot>
 *   <span>                     <span> - - - - - - - - - - <ShadowRoot>
 *    id=one                      id=four                    <span>
 *    data-color=red              data-color=orange            id=eleven
 *   <span>                       <span>                     <content>
 *    id=two                        id=five                    id=twelve
 *    data-color=blue               data-color=purple          select=secondSelect
 *   <span>                       <content>                  <span>
 *    id=three                      id=six                     id=thirteen
 *    data-color=green              select=firstSelect
 *                                  <span>
 *                                    id=seven
 *                                  <content>
 *                                    id=eight
 *                                  <span>
 *                                    id=nine
 *                                <span>
 *                                  id=ten
 *                                  data-color=grey
 */
function constructTree(firstSelect, secondSelect) {
  var rootSpan = document.createElement("span");
  rootSpan.innerHTML = '<span id="one" data-color="red"></span><span id="two" data-color="blue"></span><span id="three" data-color="green"></span>';
  var firstShadow = rootSpan.createShadowRoot();
  firstShadow.innerHTML = '<span id="four" data-color="orange"><span id="five" data-color="purple"></span><content id="six" select="' + firstSelect + '"><span id="seven"></span><content id="eight"></content><span id="nine"></span></content><span id="ten"></span></span>';
  var secondShadow = firstShadow.firstChild.createShadowRoot();
  secondShadow.innerHTML = '<span id="eleven"></span><content id="twelve" select="' + secondSelect + '"></content><span id="thirteen"></span>';
  return rootSpan;
}

// Create a tree with content that matches on everything and check node distribution.
var allSpan = constructTree("*", "*");
var firstContent = allSpan.shadowRoot.getElementById("six");
var firstDistNodes = firstContent.getDistributedNodes();
is(firstDistNodes.length, 3, "Universal selector should match all nodes.");
// Check the order of the distributed nodes.
is(firstDistNodes.item(0).id, "one", "First distributed node should have id of 'one'");
is(firstDistNodes.item(1).id, "two", "Second distributed node should have id of 'two'");
is(firstDistNodes.item(2).id, "three", "Third distributed node should have id of 'three'");
var secondContent = allSpan.shadowRoot.firstChild.shadowRoot.getElementById("twelve");
var secondDistNodes = secondContent.getDistributedNodes();
is(secondDistNodes.length, 5, "Universial selector should match all nodes including those distributed into content.");
// Check the order of the distribute nodes.
is(secondDistNodes.item(0).id, "five", "First distributed node should have id of 'five'");
is(secondDistNodes.item(1).id, "one", "Second distributed (reprojected) node should have id of 'one'");
is(secondDistNodes.item(2).id, "two", "Third distributed (reprojected) node should have id of 'two'");
is(secondDistNodes.item(3).id, "three", "Fourth distributed (reprojected) node should have id of 'three'");
is(secondDistNodes.item(4).id, "ten", "Fifth distributed node should have id of 'ten'");

// Append an element after id=two and make sure that it is inserted into the corrent
// position in the insertion points.
var additionalSpan = document.createElement("span");
additionalSpan.id = "additional";

// Insert the additional span in the third position, before the span with id=three.
allSpan.insertBefore(additionalSpan, allSpan.childNodes.item(2));
firstDistNodes = firstContent.getDistributedNodes();
secondDistNodes = secondContent.getDistributedNodes();
is(firstDistNodes.length, 4, "First insertion point should match one more node.");
is(firstDistNodes.item(2).id, "additional", "Additional span should have been inserted into the third position of the first insertion point.");

is(secondDistNodes.length, 6, "Second insertion point should match one more node.");
is(secondDistNodes.item(3).id, "additional", "Additional span should have been inserted into the fourth position of the second insertion point.");

function nodeListDoesNotContain(nodeList, element) {
  for (var i = 0; i < nodeList.length; i++) {
    if (nodeList[i] == element) {
      return false;
    }
  }
  return true;
}

// Remove the span with id=one and check that it is removed from all insertion points.
allSpan = constructTree("*", "*");
var spanOne = allSpan.firstChild;
allSpan.removeChild(spanOne);
firstContent = allSpan.shadowRoot.getElementById("six");
ok(nodeListDoesNotContain(firstContent.getDistributedNodes(), spanOne), "Child removed from host should not appear in insertion point node list.");
secondContent = allSpan.shadowRoot.firstChild.shadowRoot.getElementById("twelve");
ok(nodeListDoesNotContain(secondContent.getDistributedNodes(), spanOne), "Child removed from host should not appear in nested insertion point node list.");

// Make sure <content> in fallback content is inactive.
// First insertion point will not match anything and will use fallback content.
allSpan = constructTree("#nomatch", "*");
var fallbackInsertionPoint = allSpan.shadowRoot.getElementById("eight");
is(fallbackInsertionPoint.getDistributedNodes().length, 0, "Insertion points in default content should be inactive.");

// Insertion points with non-universal selectors.
allSpan = constructTree("span[data-color=blue]", "*");
firstContent = allSpan.shadowRoot.getElementById("six");
is(firstContent.getDistributedNodes().length, 1, "Insertion point selector should only match one node.");
is(firstContent.getDistributedNodes()[0].dataset.color, "blue", "Projected node should match selector.");
secondContent = allSpan.shadowRoot.firstChild.shadowRoot.getElementById("twelve");
is(secondContent.getDistributedNodes().length, 3, "Second insertion point should match two children and one reprojected node.");
is(secondContent.getDistributedNodes()[1].dataset.color, "blue", "Projected node should match selector.");

allSpan = constructTree("span[data-color=blue]", "span[data-color=blue]");
firstContent = allSpan.shadowRoot.getElementById("six");
is(firstContent.getDistributedNodes().length, 1, "Insertion point selector should only match one node.");
is(firstContent.getDistributedNodes()[0].dataset.color, "blue", "Projected node should match selector.");
secondContent = allSpan.shadowRoot.firstChild.shadowRoot.getElementById("twelve");
is(secondContent.getDistributedNodes().length, 1, "Insertion point should only match reprojected node.");
is(secondContent.getDistributedNodes()[0].dataset.color, "blue", "Projected node should match selector.");

// Make sure that dynamically appended default content will get distributed.
</script>
</body>
</html>