LayoutTests/fast/multicol/gap-non-negative_t01.dart

/*
 * Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 * for details. All rights reserved. Use of this source code is governed by a
 * BSD-style license that can be found in the LICENSE file.
 */
/**
 * @assertion
 * @description     Test for <i><a href="rdar://problem/5962118">rdar://problem/5962118</a>
 * Crash in RenderBlock::calcColumnWidth()</i>.
 */
import "dart:html";
import "../../testharness.dart";
import "../../../Utils/expect.dart";

const String htmlEL2 = r'''
<p>
    This tests that the <tt>column-gap</tt> property does not allow negative values.
</p>
<p id = "result"></p>
<div id="target" style="-webkit-column-count: 4; -webkit-column-gap: -10px;"></div>
''';

void main() {
    document.body.appendHtml(htmlEL2, treeSanitizer:new NullTreeSanitizer());
    var style = document.getElementById("target").getComputedStyle();
    var columnGap = style.getPropertyValue("-webkit-column-gap");
    Expect.isTrue(columnGap == "0" || columnGap == "normal", "column-gap is $columnGap");
}