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<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8>
<title>Test rounding of CSS color valus</title>
<link rel="author" title="Manish Goregaokar" href="mailto:mgoregaokar@mozilla.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel='stylesheet' href='/resources/testharness.css'>
</head>
<body>
<div id="colordiv"></div>
<script>
function do_test(color, computed, reason) {
test(function() {
var element = document.getElementById('colordiv');
// assume this works; this way we clear any previous state
element.style.color = "red";
element.style.color = color;
assert_equals(getComputedStyle(element).color, computed);
}, `${reason}: ${color}`);
}
do_test("rgb(10%, 10%, 10%, 10%)", "rgba(26, 26, 26, 0.1)", "rgb percent-to-int should round");
do_test("rgb(10%, 10%, 10%)", "rgb(26, 26, 26)", "rgb percent-to-int should round");
do_test("hsl(0, 0%, 90%)", "rgb(230, 230, 230)", "hsl-to rgb should round");
do_test("hsla(0, 0%, 90%, 10%)", "rgba(230, 230, 230, 0.1)", "hsl-to rgb should round");
do_test("rgb(100%, 100%, 0%)", "rgb(255, 255, 0)", "handling of extrema");
do_test("rgba(100%, 100%, 100%, 100%)", "rgb(255, 255, 255)", "handling of extrema");
do_test("rgba(100%, 100%, 100%, 0%)", "rgba(255, 255, 255, 0)", "handling of extrema");
do_test("rgb(255.5, 260, 500, 50)", "rgb(255, 255, 255)", "out of bounds should be handled");
do_test("rgb(254.5, 254.55, 254.45)", "rgb(255, 255, 254)", "number values should be rounded");
do_test("rgb(99.8%, 99.9%, 99.7%)", "rgb(254, 255, 254)", "percentage values should be rounded");
</script>
</body>
</html>