clamp-length-serialize.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-values/clamp-length-serialize.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<link rel="help" href="https://drafts.csswg.org/css-values-4/#comp-func">

<link rel="author" title="Xiaocheng Hu" href="mailto:xiaochengh@chromium.org">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="../support/parsing-testcommon.js"></script>

<script>

function test_valid_length(value, expected) {

  test_valid_value('letter-spacing', value, expected);

  test_valid_value('letter-spacing', `calc(${value})`, expected);

test_valid_length('clamp(1px, 2px, 3px)', 'calc(2px)');

test_valid_length('clamp(1px, 2px, clamp(2px, 3px, 4px))', 'calc(2px)');

test_valid_length('clamp(10px, 5px, 30px)', 'calc(10px)');

test_valid_length('clamp(10px, 35px, 30px)', 'calc(30px)');

test_valid_length('clamp(10px, 35px , 30px)', 'calc(30px)');

test_valid_length('clamp(10px, 35px /*foo*/, 30px)', 'calc(30px)');

test_valid_length('clamp(10px /* foo */ , 35px, 30px)', 'calc(30px)');

test_valid_length('clamp(10px , 35px, 30px)', 'calc(30px)');

// clamp(MIN, VAL, MAX) is identical to max(MIN, min(VAL, MAX)),

// so MIN wins over MAX if they are in the wrong order.

test_valid_length('clamp(30px, 100px, 20px)', 'calc(30px)');

// also test with negative values

test_valid_length('clamp(-30px, -20px, -10px)', 'calc(-20px)');

test_valid_length('clamp(-30px, -100px, -10px)', 'calc(-30px)');

test_valid_length('clamp(-30px, 100px, -10px)', 'calc(-10px)');

test_valid_length('clamp(-10px, 100px, -30px)', 'calc(-10px)');

test_valid_length('clamp(-10px, -100px, -30px)', 'calc(-10px)');

// and negating the result of clamp

test_valid_length('calc(0px + clamp(10px, 20px, 30px))', 'calc(20px)');

test_valid_length('calc(0px - clamp(10px, 20px, 30px))', 'calc(-20px)');

test_valid_length('calc(0px + clamp(30px, 100px, 20px))', 'calc(30px)');

test_valid_length('calc(0px - clamp(30px, 100px, 20px))', 'calc(-30px)');

// mixed units that can't be resolved until computed-value time

test_valid_length('clamp(1px, 1em, 1vh)', 'clamp(1px, 1em, 1vh)');

test_valid_length('calc(0px + clamp(1px, 1em, 1vh))', 'calc(0px + clamp(1px, 1em, 1vh))');

test_valid_length('calc(0px - clamp(1px, 1em, 1vh))', 'calc(0px - clamp(1px, 1em, 1vh))');

</script>