Wed, 31 Dec 2014 13:27:57 +0100
Ignore runtime configuration files generated during quality assurance.
1 <!DOCTYPE HTML>
2 <html>
3 <!--
4 https://bugzilla.mozilla.org/show_bug.cgi?id=534804
5 -->
6 <head>
7 <title>Test for Bug 534804</title>
8 <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
9 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
10 <style type="text/css" id="styleone"> </style>
11 <style type="text/css" id="styletwo"> </style>
12 </head>
13 <body>
14 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=534804">Mozilla Bug 534804</a>
15 <p id="display"></p>
16 <pre id="test">
17 <script type="application/javascript">
19 /** Test for Bug 534804 **/
21 var styleone = document.getElementById("styleone");
22 var styletwo = document.getElementById("styletwo");
23 var display = document.getElementById("display");
25 run1();
26 styletwo.firstChild.data = "#e > span:nth-child(2n+1) { color: green }";
27 run1();
28 styletwo.firstChild.data = "#e > span:first-child { color: green }";
29 run1();
30 styletwo.firstChild.data = "#e > span:nth-last-child(2n+1) { color: green }";
31 run1();
32 styletwo.firstChild.data = "#e > span:last-child { color: green }";
33 run1();
35 function run1()
36 {
37 function identity(bool) { return bool; }
38 function inverse(bool) { return !bool; }
39 function always_false(bool) { return false; }
40 run2("#e:empty + span", identity, always_false);
41 run2("#e:empty ~ span", identity, identity);
42 run2("#e:not(:empty) + span", inverse, always_false);
43 run2("#e:not(:empty) ~ span", inverse, inverse);
44 }
46 function run2(sel, next_sibling_rule, later_sibling_rule)
47 {
48 styleone.firstChild.data = sel + " { text-decoration: underline }";
50 // Rebuild the subtree every time.
51 var span1 = document.createElement("span");
52 span1.id = "e";
53 var span2 = document.createElement("span");
54 var span3 = document.createElement("span");
55 display.appendChild(span1);
56 display.appendChild(span2);
57 display.appendChild(span3);
59 function td(e) { return getComputedStyle(e, "").textDecoration; }
61 function check(desc, isempty) {
62 is(td(span2), next_sibling_rule(isempty) ? "underline" : "none",
63 "match of next sibling in state " + desc);
64 is(td(span3), later_sibling_rule(isempty) ? "underline" : "none",
65 "match of next sibling in state " + desc);
66 }
68 check("initially empty", true);
69 var kid = document.createElement("span");
70 span1.appendChild(kid);
71 check("after append", false);
72 span1.removeChild(kid);
73 check("after remove", true);
74 span1.appendChild(document.createTextNode(""));
75 span1.appendChild(document.createComment("a comment"));
76 span1.appendChild(document.createTextNode(""));
77 check("after append of insignificant children", true);
78 span1.insertBefore(kid, span1.childNodes[1]);
79 check("after insert", false);
81 display.removeChild(span1);
82 display.removeChild(span2);
83 display.removeChild(span3);
84 }
86 </script>
87 </pre>
88 </body>
89 </html>