| <!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('margin-top', value, expected); |
| test_valid_value('margin-top', `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('clamp(-18px, 3vw, -3vw)', 'clamp(-18px, 3vw, -3vw)', 'clamp(-18px, 3vw, -3vw)'); |
| 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> |
