third_party/blink/web_tests/editing/input/ctrl-up-down.html

<div id="container">
<p id="description"></p>
Manual steps:
<ol>
<li>Move middle of the first paragraph</li>
<li>Type Ctrl+Up</li>
<li>Caret should be start of paragrah</li>
<li>Type Ctrl+Down</li>
<li>Caret should be next paragrah</li>
<li>Do above step with Ctrl+Shift key to extend selection</li>
</ol>
Sample editable:
<div id="sample" contenteditable="true"><p>This is the first paragraph. Key binding of Ctrl+Up/Down are available only Windows.</p><p>This is second paragraph. Do you want to have these key bindings on other platforms?</p>
</div>
</div>
<script src="../../resources/js-test.js"></script>
<script>
description('Test Ctrl+Up/Down motion');
function $(id) { return document.getElementById(id); }
var sample = $('sample');
var selection = window.getSelection();
var range = document.createRange();
range.setStart(sample.firstChild.firstChild, 3);
selection.addRange(range);
sample.focus();
var paragraph1 = sample.firstChild.firstChild;
var paragraph2 = sample.childNodes[1].firstChild;
if (window.eventSender) {
    eventSender.keyDown('ArrowUp', ['ctrlKey']);
    shouldBeEqualToString('selection.type', 'Caret');
    shouldBe('selection.focusNode', 'paragraph1');
    shouldBe('selection.focusOffset', '0');

    eventSender.keyDown('ArrowDown', ['ctrlKey']);
    shouldBeEqualToString('selection.type', 'Caret');
    shouldBe('selection.focusNode', 'paragraph2');
    shouldBe('selection.focusOffset', '3');

    eventSender.keyDown('ArrowDown', ['ctrlKey', 'shiftKey']);
    shouldBeEqualToString('selection.type', 'Range');
    shouldBe('selection.focusNode', 'paragraph2');
    shouldBe('selection.focusOffset', '84');

    eventSender.keyDown('ArrowUp', ['ctrlKey', 'shiftKey']);
    shouldBeEqualToString('selection.type', 'Range');
    shouldBe('selection.focusNode', 'paragraph1');
    shouldBe('selection.focusOffset', '3');
}
if (window.testRunner)
    $('container').outerHTML = '';
</script>