Source code

Revision control

Other Tools

Test Info:

<!DOCTYPE html>
<title>Test for Bug 1425997</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<p id="display"></p>
<div id="content" style="display: none;">
<div id="editor" contenteditable>
<!-- -->
<span id="inline">foo</span>
<pre id="test">
<script class="testbody" type="application/javascript">
// 2 assertions are recorded due to nested execCommand() but not a problem.
// They are necessary to detect invalid method call without mutation event listers.
SimpleTest.expectAssertions(2, 2);
SimpleTest.waitForFocus(async function() {
await SpecialPowers.pushPrefEnv({set: [["dom.document.exec_command.nested_calls_allowed", true]]});
let selection = window.getSelection();
let editor = document.getElementById("editor");
function onCharacterDataModified() {
// Until removing all NBSPs which were inserted by the editor,
// emulates Backspace key with "delete" command.
// When this test is created, the behavior was:
// after 1st delete: "\n<!-- -->&nbsp;\n"
// after 2nd delete: "\n<!-- -->&nbsp;"
// Then, selection is moved into the comment node and deletion won't
// work after that.
while (editor.innerHTML.includes("&nbsp;")) {
let preInnerHTML = editor.innerHTML;
if (!document.execCommand("delete", false) || preInnerHTML === editor.innerHTML) {
info(`editor.innerHTML: "${editor.innerHTML.replace(/\n/g, "\\n")}"`);
editor.addEventListener("DOMCharacterDataModified", onCharacterDataModified, { once: true });
document.execCommand("insertHTML", false, "text");
// This expected result is just same as the result of Chrome.
// If the spec says this is wrong, feel free to change this result.
todo_is(editor.innerHTML, "\n<!-- --><span id=\"inline\">text</span>",
"The 'foo' should be replaced with 'text' and whitespaces before the span element should be removed");