gecko-dev/editor/libeditor/tests/test_bug1385905.html

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<!DOCTYPE html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi=id=1385905
-->
<html>
<head>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1385905">Mozilla Bug 1385905</a>
<div id="display"></div>
<div id="editor" contenteditable style="padding: 5px;"><div>contents</div></div>
<pre id="test">
</pre>
<script class="testbody" type="application/javascript">
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(() => {
SpecialPowers.pushPrefEnv({"set": [["editor.use_div_for_default_newlines", true]]}, () => {
function ensureNoMozBR() {
for (let br of document.querySelectorAll("#editor > div > br")) {
isnot(br.getAttribute("type"), "_moz",
"mozBR shouldn't be used with this test");
}
}
var editor = document.getElementById("editor");
// Click the left blank area of the first line to set cursor to the start of "contents".
synthesizeMouse(editor, 3, 10, {});
synthesizeKey("KEY_Enter", { code: "Enter" });
is(editor.innerHTML, "<div><br></div><div>contents</div>",
"Typing Enter at start of the <div> element should split the <div> element");
synthesizeKey("KEY_ArrowUp", { code: "ArrowUp" });
synthesizeKey("x", { code: "KeyX" });
is(editor.innerHTML, "<div>x<br></div><div>contents</div>",
"Typing 'x' at the empty <div> element should just insert 'x' into the <div> element");
ensureNoMozBR();
synthesizeKey("KEY_Enter", { code: "Enter" });
is(editor.innerHTML, "<div>x</div><div><br></div><div>contents</div>",
"Typing Enter next to 'x' in the first <div> element should split the <div> element and inserts <br> element to a new <div> element");
ensureNoMozBR();
synthesizeKey("KEY_Enter", { code: "Enter" });
is(editor.innerHTML, "<div>x</div><div><br></div><div><br></div><div>contents</div>",
"Typing Enter in the empty <div> should split the <div> element and inserts <br> element to a new <div> element");
ensureNoMozBR();
SimpleTest.finish();
});
});
</script>
</body>
</html>