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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Backgrounds and Borders: getComputedStyle().borderImageSource</title>
<link rel="help" href="https://drafts.csswg.org/css-backgrounds/#border-image-source">
<meta name="assert" content="border-image-source computed value is the keyword none or the specified image with URIs made absolute.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/computed-testcommon.js"></script>
<style>
#target {
color: blue;
}
</style>
</head>
<body>
<div id="target"></div>
<script>
test_computed_value("border-image-source", "none");
test_computed_value("border-image-source", 'url("http://{{host}}/")');
test_computed_value('border-image-source', 'linear-gradient(-45deg, red, currentcolor)', 'linear-gradient(-45deg, rgb(255, 0, 0), rgb(0, 0, 255))');
test_computed_value("border-image-source", 'linear-gradient(45deg, red calc(10% + 5px), blue 90%)', 'linear-gradient(45deg, rgb(255, 0, 0) calc(10% + 5px), rgb(0, 0, 255) 90%)');
test_computed_value('border-image-source', 'repeating-linear-gradient(-45deg, red, 30%, currentcolor 70%, lime)', 'repeating-linear-gradient(-45deg, rgb(255, 0, 0), 30%, rgb(0, 0, 255) 70%, rgb(0, 255, 0))');
test_computed_value('border-image-source', 'radial-gradient(10px at 20px 30px, currentcolor, lime)', 'radial-gradient(10px at 20px 30px, rgb(0, 0, 255), rgb(0, 255, 0))');
test_computed_value("border-image-source", 'radial-gradient(circle at calc(50% * 2 / 4) 40%, red, blue)', 'radial-gradient(circle at 25% 40%, rgb(255, 0, 0), rgb(0, 0, 255))');
test_computed_value('border-image-source', 'conic-gradient(from 90deg at 80% 90%, lime, black)', 'conic-gradient(from 90deg at 80% 90%, rgb(0, 255, 0), rgb(0, 0, 0))');
test_computed_value("border-image-source", 'conic-gradient(from 2rad at 50% 50%, red, blue calc(270deg - 20deg))', 'conic-gradient(from 114.592deg, rgb(255, 0, 0), rgb(0, 0, 255) 250deg)');
test(() => {
const target = document.getElementById('target');
target.style['border-image-source'] = 'url("a.b#c")';
const result = getComputedStyle(target)['border-image-source'];
const resolved = new URL("a.b#c", document.URL).href;
assert_equals(result, 'url("' + resolved + '")');
}, 'url values are made absolute');
</script>
</body>
</html>
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