chromium/third_party/blink/web_tests/fast/forms/text/input-maxlength-ime-preedit.html

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html>
<head>
<script src="../../../resources/js-test.js"></script>
</head>
<body>
<p id="description"></p>
<div id="console"></div>
<script>
description('This test checks users can input pre-edit text longer than maxlength.');

var input = document.createElement('input');
document.body.appendChild(input);
input.maxLength = 2;
input.focus();
textInputController.setMarkedText('abcd', 0, 4);
// The selection should have 4 characters though maxLength is 2.
shouldBe('document.getSelection().toString()', '"abcd"');
</script>
</body>
</html>