<!DOCTYPE html>
<html>
    <head>
        <title>Shape Outside Basic Shape Computed Font Relative Lengths</title>
        <link rel="author" title="Adobe" href="http://html.adobe.com/">
        <link rel="author" title="Bear Travis" href="mailto:betravis@adobe.com">
        <link rel="reviewer" title="Alan Stearns" href="mailto:stearns@adobe.com"> <!-- 2014-03-04 -->
        <link rel="help" href="http://www.w3.org/TR/css-shapes-1/#shape-outside-property">
        <link rel="help" href="http://www.w3.org/TR/css-cascade-3/#computed">
        <meta name="assert" content="The basic shape can contain relative length formats, which resolve to the computed (absolute) length value">
        <meta name="flags" content="ahem dom">
        <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1">
        <script src="/resources/testharness.js"></script>
        <script src="/resources/testharnessreport.js"></script>
        <script src="support/parsing-utils.js"></script>
    </head>
    <body>
        <div id="log"></div>
        <script type="text/javascript">
            // font relative units: em, ex, ch, rem
            var units = ['em', 'ex', 'ch', 'rem'];
            var resolveds = {};
            ParsingUtils.setupFonts();

            var div = document.createElement('div');
            document.body.appendChild(div);
            units.forEach(function(unit) {
                div.style.width = '10' + unit;
                var s = getComputedStyle(div);
                resolveds[unit] = parseFloat(s.width);
            });
            document.body.removeChild(div);

            function fillArray(string, length) {
                return Array.apply(null, new Array(length)).map(String.prototype.valueOf, string);
            }

            function testUnit(unit) {
                var relativeLength = '1' + unit;
                var usedLength = resolveds[unit] + 'px';

                var input = 'polygon(nonzero, ' + fillArray('10' + unit, 2).join(' ') + ')';
                var output = 'polygon(' + fillArray(resolveds[unit] + 'px', 2).join(' ') + ')';

                ParsingUtils.testComputedStyle(input, ParsingUtils.roundResultStr(output));
            }

            var tests = units.map(function(unit) {
                return [unit + ' units', unit];
            });

            generate_tests(testUnit, tests);

            ParsingUtils.restoreFonts();
        </script>
    </body>
</html>
