third_party/WebKit/LayoutTests/editing/selection/selection-after-text-normalize.html

<div id="container">
<p id="description"></p>
<div id="sample"></div>
</div>
<script src="../../resources/js-test.js"></script>
<script>
description('Check selection updated after normalize.');
function $(id) { return document.getElementById(id); }

var selection = window.getSelection();
var newText;
function testIt(source, expectedText)
{
    var sample = $('sample');
    sample.innerHTML = '';

    var expectedEnd;
    var expectedStart;
    var sampleText = '';
    var offset = 0;
    var textNode = sample.appendChild(document.createTextNode(''));
    var startNode;
    var startOffset;
    var endNode;
    var endOffset;
    for (var i = 0; i < source.length; ++i) {
        var ch = source[i];
        switch (ch) {
        case '[':
            expectedStart = offset;
            startNode = textNode;
            startOffset = textNode.length;
            break;
        case ']':
            expectedEnd = offset;
            endNode = textNode;
            endOffset = textNode.length;
            break;
        case ' ':
            textNode = sample.appendChild(document.createTextNode(''));
            break;
        default:
            ++offset;
            sampleText += ch;
            textNode.textContent += ch;
            break;
        }
    }

    var expectedText = sampleText.substring(expectedStart, expectedEnd);
    var selection = getSelection();
    selection.collapse(startNode, startOffset);
    selection.extend(endNode, endOffset);

    sample.normalize();
    newText = sample.firstChild;

    debug(source);
    shouldBeFalse('selection.isCollapsed');
    shouldBe('selection.anchorNode', 'newText');
    shouldBe('selection.anchorOffset', expectedStart.toString());
    shouldBe('selection.focusNode', 'newText');
    shouldBe('selection.focusOffset', expectedEnd.toString());
    shouldBeEqualToString('selection.toString()', expectedText);

    debug('');
}

testIt('[foo] bar baz');
testIt('foo [bar] baz');
testIt('foo bar [baz]');
testIt('f[oo ba]r baz');
testIt('f[oo bar ba]z');
testIt('foo b[ar ba]z');
testIt('f[oo  ba]z');
testIt('[foo ] baz');
testIt('[foo  baz]');
testIt('foo [ baz]');
testIt('foo [bar ]');

if (window.testRunner)
    $('container').outerHTML = '';
</script>