chromium/third_party/blink/manual_tests/autocorrection/autocorrection-contraction.html

<html>
<head>

<style>
.editing {
    border: 2px solid red;
    padding: 12px;
    font-size: 24px;
}
</style>
<script src=../../../../LayoutTests/editing/editing.js language="JavaScript" type="text/JavaScript" ></script>

<script>
function editingTest() {
    typeCharacterCommand('t');
    typeCharacterCommand('h');
    typeCharacterCommand('i');
    typeCharacterCommand('s');
    typeCharacterCommand(' ');
    typeCharacterCommand('w');
    typeCharacterCommand('o');
    typeCharacterCommand('u');
    typeCharacterCommand('l');
    typeCharacterCommand('d');
    typeCharacterCommand('n');
}

</script>

<title>Autocorrection with Contraction Test</title>
</head>
<body>
<div><p>This test verifies that, after typing an apostrophe, if the current word is part of a contraction, previously shown autocorrection will not be applied.</p>
<p>After loading the page, you should see correction panel shows "would" for "wouldn". Then after typing "'t", the correction panel dissappears and the final sentence is "this wouldn't".</p>
<div contenteditable id="root" class="editing">
<span id="test"></span>
</div>


<script>
runEditingTest();
</script>

</body>
</html>