<!DOCTYPE html>
<html>
<style>
* { font-size: 16px; }
svg, rect { font-family: 'Ahem'; }
div { font-size: 8px; } 
</style>
<html>
<svg id="svg" width="0" height="0"></svg>
<script src="../../resources/js-test-pre.js"></script>
<script>
description("Test that length values for presentation attribute accept calc.");

function computedStyle(property, value) {
    var rect = document.createElementNS('http://www.w3.org/2000/svg', 'rect');
    document.getElementById('svg').appendChild(rect);
    rect.setAttribute(property, value);
    var computedValue = getComputedStyle(rect).getPropertyValue(property);
    document.getElementById('svg').removeChild(rect);
    return computedValue;
}

function testComputed(property, value, expected) {
    shouldBeEqualToString('computedStyle("' + property + '", "' + value + '")', expected);
}

function negativeTest(property, value) {
    testComputed(property, value, "auto");
}

function negativeTestZero(property, value) {
    testComputed(property, value, "0px");
}

// Test 'calc(500px - 400px)'.
testComputed("baseline-shift", "calc(500px - 400px)", "100px");
testComputed("cx", "calc(500px - 400px)", "100px");
testComputed("cy", "calc(500px - 400px)", "100px");
testComputed("height", "calc(500px - 400px)", "100px");
testComputed("kerning", "calc(500px - 400px)", "100px");
testComputed("r", "calc(500px - 400px)", "100px");
testComputed("rx", "calc(500px - 400px)", "100px");
testComputed("ry", "calc(500px - 400px)", "100px");
testComputed("stroke-width", "calc(500px - 400px)", "100px");
testComputed("stroke-dashoffset", "calc(500px - 400px)", "100px");
testComputed("width", "calc(500px - 400px)", "100px")
testComputed("x", "calc(500px - 400px)", "100px");
testComputed("y", "calc(500px - 400px)", "100px");

// Test 'calc(40px + 60px)'.
testComputed("baseline-shift", "calc(40px + 60px)", "100px");
testComputed("cx", "calc(40px + 60px)", "100px");
testComputed("cy", "calc(40px + 60px)", "100px");
testComputed("height", "calc(40px + 60px)", "100px");
testComputed("kerning", "calc(40px + 60px)", "100px");
testComputed("r", "calc(40px + 60px)", "100px");
testComputed("rx", "calc(40px + 60px)", "100px");
testComputed("ry", "calc(40px + 60px)", "100px");
testComputed("stroke-width", "calc(40px + 60px)", "100px");
testComputed("stroke-dashoffset", "calc(40px + 60px)", "100px");
testComputed("width", "calc(40px + 60px)", "100px")
testComputed("x", "calc(40px + 60px)", "100px");
testComputed("y", "calc(40px + 60px)", "100px");

// Test 'calc(0% + 100px)'.
testComputed("baseline-shift", "calc(0% + 100px)", "0");
testComputed("cx", "calc(0% + 100px)", "calc(0% + 100px)");
testComputed("cy", "calc(0% + 100px)", "calc(0% + 100px)");
testComputed("height", "calc(0% + 100px)", "calc(0% + 100px)");
testComputed("kerning", "calc(0% + 100px)", "0");
testComputed("r", "calc(0% + 100px)", "calc(0% + 100px)");
testComputed("rx", "calc(0% + 100px)", "calc(0% + 100px)");
testComputed("ry", "calc(0% + 100px)", "calc(0% + 100px)");
testComputed("stroke-width", "calc(0% + 100px)", "calc(0% + 100px)");
testComputed("stroke-dashoffset", "calc(0% + 100px)", "calc(0% + 100px)");
testComputed("width", "calc(0% + 100px)", "calc(0% + 100px)")
testComputed("x", "calc(0% + 100px)", "calc(0% + 100px)");
testComputed("y", "calc(0% + 100px)", "calc(0% + 100px)");

// Test 'calc(100% - 100px)'.
testComputed("baseline-shift", "calc(100% - 100px)", "0");
testComputed("cx", "calc(100% - 100px)", "calc(100% - 100px)");
testComputed("cy", "calc(100% - 100px)", "calc(100% - 100px)");
testComputed("height", "calc(100% - 100px)", "calc(100% - 100px)");
testComputed("kerning", "calc(100% - 100px)", "0");
testComputed("r", "calc(100% - 100px)", "calc(100% - 100px)");
testComputed("rx", "calc(100% - 100px)", "calc(100% - 100px)");
testComputed("ry", "calc(100% - 100px)", "calc(100% - 100px)");
testComputed("stroke-width", "calc(100% - 100px)", "calc(100% - 100px)");
testComputed("stroke-dashoffset", "calc(100% - 100px)", "calc(100% - 100px)");
testComputed("width", "calc(100% - 100px)", "calc(100% - 100px)")
testComputed("x", "calc(100% - 100px)", "calc(100% - 100px)");
testComputed("y", "calc(100% - 100px)", "calc(100% - 100px)");

// Number value properties.
testComputed("stroke-miterlimit", "calc(500 - 400)", "100");
testComputed("flood-opacity", "calc(0.75 - 0.25)", "0.5");

</script>
<script src="../../resources/js-test-post.js"></script>
</body>
</html>