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+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>CSS Images Module Level 4: parsing image-resolution with invalid values</title>
+<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
+<link rel="help" href="https://drafts.csswg.org/css-images-4/#propdef-image-resolution">
+<meta name="assert" content="image-resolution supports only the grammar '[ from-image || <resolution> ] && snap?'.">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/css/support/parsing-testcommon.js"></script>
+</head>
+<body>
+<script>
+test_invalid_value("image-resolution", "auto");
+test_invalid_value("image-resolution", "100%");
+test_invalid_value("image-resolution", "2");
+test_invalid_value("image-resolution", "3dpi snap from-image");
+test_invalid_value("image-resolution", "from-image snap 4dppx");
+</script>
+</body>
+</html>