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<title>Test for Bug 98997</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<style type="text/css">
* This test does NOT test any of the cases where :empty and
* :-moz-only-whitespace differ. We should probably have some tests
* for that as well.
div.test { width: 200px; height: 30px; margin: 5px 0; }, div.test.from:empty { background: orange; }, div.test.from { background: green; }, div.test.from:-moz-only-whitespace { color: maroon; }, div.test.from { color: navy; }
<a target="_blank" href="">Mozilla Bug 98997</a>
<div id="display">
<div class="test to" onclick="testReplaceChild(this, '')">x</div>
<div class="test to" onclick="testReplaceChild(this, '')"><span>x</span></div>
<div class="test to" onclick="testReplaceChild(this, '')">x<!-- comment --></div>
<div class="test to" onclick="testRemoveChild(this)">x</div>
<div class="test to" onclick="testRemoveChild(this)"><span>x</span></div>
<div class="test to" onclick="testRemoveChild(this)">x<!-- comment --></div>
<div class="test to" onclick="testChangeData(this, '')">x</div>
<div class="test to" onclick="testChangeData(this, '')">x<!-- comment --></div>
<div class="test to" onclick="testDeleteData(this)">x</div>
<div class="test to" onclick="testDeleteData(this)">x<!-- comment --></div>
<div class="test to" onclick="testReplaceData(this, '')">x</div>
<div class="test to" onclick="testReplaceData(this, '')">x<!-- comment --></div>
<div class="test from makeemptytext" onclick="testReplaceChild(this, 'x')"></div>
<div class="test from makeemptytext" onclick="testReplaceChild(this, 'x')"><!-- comment --></div>
<div class="test from" onclick="testReplaceChild(this, 'x')"><!-- comment --></div>
<div class="test from" onclick="testInsertBefore(this, 'x')"></div>
<div class="test from" onclick="testInsertBefore(this, 'x')"><!-- comment --></div>
<div class="test from" onclick="testAppendChild(this, 'x')"></div>
<div class="test from" onclick="testAppendChild(this, 'x')"><!-- comment --></div>
<div class="test from makeemptytext" onclick="testChangeData(this, 'x')"></div>
<div class="test from makeemptytext" onclick="testChangeData(this, 'x')"><!-- comment --></div>
<div class="test from makeemptytext" onclick="testAppendData(this, 'x')"></div>
<div class="test from makeemptytext" onclick="testAppendData(this, 'x')"><!-- comment --></div>
<div class="test from makeemptytext" onclick="testReplaceData(this, 'x')"></div>
<div class="test from makeemptytext" onclick="testReplaceData(this, 'x')"><!-- comment --></div>
<div id="content" style="display: none">
<pre id="test">
<script class="testbody" type="text/javascript">
/** Test for Bug 98997 **/
function testInsertBefore(elt, text) {
elt.insertBefore(document.createTextNode(text), elt.firstChild);
function testAppendChild(elt, text) {
function testReplaceChild(elt, text) {
elt.replaceChild(document.createTextNode(text), elt.firstChild);
function testRemoveChild(elt) {
function testChangeData(elt, text) { = text;
function testAppendData(elt, text) {
function testDeleteData(elt) {
elt.firstChild.deleteData(0, elt.firstChild.length);
function testReplaceData(elt, text) {
elt.firstChild.replaceData(0, elt.firstChild.length, text);
var cnodes = document.getElementById("display").childNodes;
var divs = [];
var i;
for (i = 0; i < cnodes.length; ++i) {
if (cnodes[i].nodeName == "DIV")
for (i in divs) {
let div = divs[i];
if (div.className.match(/makeemptytext/))
div.insertBefore(document.createTextNode(""), div.firstChild);
const ORANGE = "rgb(255, 165, 0)";
const MAROON = "rgb(128, 0, 0)";
const GREEN = "rgb(0, 128, 0)";
const NAVY = "rgb(0, 0, 128)";
function color(div) {
return getComputedStyle(div, "").color;
function bg(div) {
return getComputedStyle(div, "").backgroundColor;
for (i in divs) {
let div = divs[i];
is(bg(div), ORANGE, "should be orange");
is(color(div), MAROON, "should be maroon");
for (i in divs) {
let div = divs[i];
var e = document.createEvent("MouseEvents");
e.initEvent("click", true, true);
for (i in divs) {
let div = divs[i];
is(bg(div), GREEN, "should be green");
is(color(div), NAVY, "should be navy");