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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=534804
-->
<head>
<title>Test for Bug 534804</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<style type="text/css" id="styleone"> </style>
<style type="text/css" id="styletwo"> </style>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=534804">Mozilla Bug 534804</a>
<p id="display"></p>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 534804 **/
var styleone = document.getElementById("styleone");
var styletwo = document.getElementById("styletwo");
var display = document.getElementById("display");
run1();
styletwo.firstChild.data = "#e > span:nth-child(2n+1) { color: green }";
run1();
styletwo.firstChild.data = "#e > span:first-child { color: green }";
run1();
styletwo.firstChild.data = "#e > span:nth-last-child(2n+1) { color: green }";
run1();
styletwo.firstChild.data = "#e > span:last-child { color: green }";
run1();
function run1()
{
function identity(bool) { return bool; }
function inverse(bool) { return !bool; }
function always_false(bool) { return false; }
run2("#e:empty + span", identity, always_false);
run2("#e:empty ~ span", identity, identity);
run2("#e:not(:empty) + span", inverse, always_false);
run2("#e:not(:empty) ~ span", inverse, inverse);
}
function run2(sel, next_sibling_rule, later_sibling_rule)
{
styleone.firstChild.data = sel + " { text-decoration: underline }";
// Rebuild the subtree every time.
var span1 = document.createElement("span");
span1.id = "e";
var span2 = document.createElement("span");
var span3 = document.createElement("span");
display.appendChild(span1);
display.appendChild(span2);
display.appendChild(span3);
function td(e) { return getComputedStyle(e, "").textDecorationLine; }
function check(desc, isempty) {
is(td(span2), next_sibling_rule(isempty) ? "underline" : "none",
"match of next sibling in state " + desc);
is(td(span3), later_sibling_rule(isempty) ? "underline" : "none",
"match of next sibling in state " + desc);
}
check("initially empty", true);
var kid = document.createElement("span");
span1.appendChild(kid);
check("after append", false);
span1.removeChild(kid);
check("after remove", true);
span1.appendChild(document.createTextNode(""));
span1.appendChild(document.createComment("a comment"));
span1.appendChild(document.createTextNode(""));
check("after append of insignificant children", true);
span1.insertBefore(kid, span1.childNodes[1]);
check("after insert", false);
display.removeChild(span1);
display.removeChild(span2);
display.removeChild(span3);
}
</script>
</pre>
</body>
</html>
|
