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<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-syntax-3/#parse-comma-separated-list-of-component-values">
<script type="text/javascript" src="/resources/testharness.js"></script>
<script type="text/javascript" src="/resources/testharnessreport.js"></script>
<script>
function test_parsing(query, expected) {
if(expected === undefined)
expected = query;
test(() => {
const match = window.matchMedia(query);
assert_equals(match.media, expected)
}, "Test parsing '" + query + "' with matchMedia");
}
function test_resolution_parsing() {
test_parsing("(min-resolution: 1x)");
test_parsing("(min-resolution: calc(1x))", "(min-resolution: calc(1dppx))");
test_parsing("(resolution: 2x)");
test_parsing("(resolution: calc(2x))", "(resolution: calc(2dppx))");
test_parsing("(max-resolution: 7x)");
test_parsing("(max-resolution: calc(7x))", "(max-resolution: calc(7dppx))");
test_parsing("(resolution: 2dppx)");
test_parsing("(resolution: 600dpi)");
test_parsing("(resolution: 77dpcm)");
test_parsing("(resolution: calc(1x + 2x))", "(resolution: calc(3dppx))");
test_parsing("(resolution: calc(5x - 2x))", "(resolution: calc(3dppx))");
test_parsing("(resolution: calc(1x * 3))", "(resolution: calc(3dppx))");
test_parsing("(resolution: calc(6x / 2))", "(resolution: calc(3dppx))");
}
test_parsing("", "");
test_parsing(" ", "");
test_parsing("all", "all");
test_parsing(" all", "all");
test_parsing(" all ", "all");
test_parsing("all,all", "all, all");
test_parsing(" all , all ", "all, all");
test_parsing("(color)", "(color)");
test_parsing("(color", "(color)");
test_parsing(" (color)", "(color)");
test_parsing(" ( color ) ", "(color)");
test_parsing(" ( color ", "(color)");
test_parsing("color)", "not all");
test_parsing(" color)", "not all");
test_parsing(" color ), ( color", "not all, (color)");
test_parsing(" foo ", "foo");
test_parsing(",", "not all, not all");
test_parsing(" , ", "not all, not all");
test_parsing(",,", "not all, not all, not all");
test_parsing(" , , ", "not all, not all, not all");
test_parsing(" foo,", "foo, not all");
test_resolution_parsing();
</script>
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