LayoutTests/editing/selection/5354455-1.html

<p>This tests to make sure that right clicking on a paragraph break in editable content selects it.  To run it manually, right click on the paragraph break after the first paragraph below.</p>
<div id="div" contenteditable="true">
<div><span id="text">The paragraph break should be selected.</span></div>
<br>
</div>

<script>
if (window.layoutTestController) {
    paragraph = document.getElementById("text");
    x = paragraph.offsetParent.offsetLeft + paragraph.offsetLeft + paragraph.offsetWidth + 10;
    y = paragraph.offsetParent.offsetTop + paragraph.offsetTop + paragraph.offsetHeight / 2;
    eventSender.mouseMoveTo(x, y);
    // Give the editable region focus.
    eventSender.mouseDown();
    eventSender.mouseUp();
    // Right click on the paragraph break to select it.
    eventSender.contextClick();   
}
</script>