chromium/third_party/blink/web_tests/editing/selection/select-missing-image.html

<html> 
<head>

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

<script>

function editingTest() {
    selectAllCommand();
}

</script>

<title>Editing Test</title> 
</head> 
<body>
<div contenteditable id="test" class="editing">
<img title="Should see selection tint over this missing image." src="../noneSuch.jpg" height="100" width="550"> 
</div>

<script>
runEditingTest();
</script>

</body>
</html>