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+++ b/testing/web-platform/tests/css/css-logical/parsing/inset-shorthand.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Logical Properties and Values: inset sets longhands</title>
+<link rel="help" href="https://drafts.csswg.org/css-logical/#propdef-inset">
+<meta name="assert" content="inset supports the full grammar '<'top'>{1,4}'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/shorthand-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_shorthand_value('inset', '1px 2px 3px 4px', {
+  'top': '1px',
+  'right': '2px',
+  'bottom': '3px',
+  'left': '4px'
+});
+
+test_shorthand_value('inset', '1px 2px 3px', {
+  'top': '1px',
+  'right': '2px',
+  'bottom': '3px',
+  'left': '2px'
+});
+
+test_shorthand_value('inset', '1px 2px', {
+  'top': '1px',
+  'right': '2px',
+  'bottom': '1px',
+  'left': '2px'
+});
+
+test_shorthand_value('inset', '1px', {
+  'top': '1px',
+  'right': '1px',
+  'bottom': '1px',
+  'left': '1px'
+});
+</script>
+</body>
+</html>