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Test Info:

<!doctype html>
<html>
<head>
<title>Testing font face "tt"</title>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
</head>
<body>
<div id="display">
</div>
<div id="content" contenteditable>abc</div>
<pre id="test">
</pre>
<script class="testbody">
"use strict";
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(() => {
let editor = document.querySelector("div[contenteditable]");
editor.focus();
let selection = document.getSelection();
// "tt" is a magic value of "cmd_fontFace", it should work as "cmd_tt".
editor.innerHTML = "abc";
selection.setBaseAndExtent(editor.firstChild, 1, editor.firstChild, 2);
SpecialPowers.doCommand(window, "cmd_fontFace", "tt");
is(editor.innerHTML, "a<tt>b</tt>c",
"\"cmd_fontFace\" with \"tt\" should wrap selected text <tt> element");
editor.innerHTML = "<br>";
selection.collapse(editor, 0);
SpecialPowers.doCommand(window, "cmd_fontFace", "tt");
synthesizeKey("t");
synthesizeKey("t");
is(editor.innerHTML, "<tt>tt</tt><br>",
"Typed text after \"cmd_fontFace\" with \"tt\" should be wrapped by <tt> element");
// But it shouldn't work with `Document.execCommand()`.
editor.innerHTML = "abc";
selection.setBaseAndExtent(editor.firstChild, 1, editor.firstChild, 2);
document.execCommand("fontname", false, "tt");
is(editor.innerHTML, "a<font face=\"tt\">b</font>c",
"execCommand(\"fontname\") with \"tt\" should wrap selected text with <font> element");
editor.innerHTML = "<br>";
selection.collapse(editor, 0);
document.execCommand("fontname", false, "tt");
synthesizeKey("t");
synthesizeKey("t");
is(editor.innerHTML, "<font face=\"tt\">tt</font><br>",
"Typed text after execCommand(\"fontname\") with \"tt\" should be wrapped by <font> element");
// "cmd_fontFace" with "tt" should remove `<font>` element.
editor.innerHTML = "a<font face=\"sans-serif\">b</font>c";
selection.selectAllChildren(editor.querySelector("font"));
SpecialPowers.doCommand(window, "cmd_fontFace", "tt");
is(editor.innerHTML, "a<tt>b</tt>c",
"\"cmd_fontFace\" with \"tt\" should wrap selected text <tt> element after removing <font> element");
editor.innerHTML = "<font face=\"sans-serif\">abc</font>";
selection.setBaseAndExtent(editor.firstChild.firstChild, 1, editor.firstChild.firstChild, 2);
SpecialPowers.doCommand(window, "cmd_fontFace", "tt");
is(editor.innerHTML, "<font face=\"sans-serif\">a</font><tt>b</tt><font face=\"sans-serif\">c</font>",
"\"cmd_fontFace\" with \"tt\" should wrap selected text <tt> element after removing <font> element");
SimpleTest.finish();
});
</script>
</body>
</html>