| <!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/computed-testcommon.js"></script> |
| <div id="container" style="font-size: 20px"> |
| <div id="target"></div> |
| <div id="reference"></div> |
| </div> |
| <script> |
| const property = 'letter-spacing'; |
| |
| function test_length_equals(value, expected) { |
| const reference = document.getElementById('reference'); |
| reference.style[property] = ''; |
| reference.style[property] = expected; |
| const computed = getComputedStyle(reference)[property]; |
| test_computed_value(property, value, computed); |
| } |
| |
| test_length_equals('clamp(10px, 20px, 30px)', '20px'); |
| test_length_equals('clamp(10px, 5px, 30px)', '10px'); |
| test_length_equals('clamp(10px, 35px, 30px)', '30px'); |
| test_length_equals('clamp(10px, 35px , 30px)', '30px'); |
| test_length_equals('clamp(10px, 35px /*foo*/, 30px)', '30px'); |
| test_length_equals('clamp(10px /* foo */ , 35px, 30px)', '30px'); |
| test_length_equals('clamp(10px , 35px, 30px)', '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_length_equals('clamp(30px, 100px, 20px)', '30px'); |
| |
| // also test with negative values |
| test_length_equals('clamp(-30px, -20px, -10px)', '-20px'); |
| test_length_equals('clamp(-30px, -100px, -10px)', '-30px'); |
| test_length_equals('clamp(-30px, 100px, -10px)', '-10px'); |
| test_length_equals('clamp(-10px, 100px, -30px)', '-10px'); |
| test_length_equals('clamp(-10px, -100px, -30px)', '-10px'); |
| |
| // and negating the result of clamp |
| test_length_equals('calc(0px + clamp(10px, 20px, 30px))', '20px'); |
| test_length_equals('calc(0px - clamp(10px, 20px, 30px))', '-20px'); |
| test_length_equals('calc(0px + clamp(30px, 100px, 20px))', '30px'); |
| test_length_equals('calc(0px - clamp(30px, 100px, 20px))', '-30px'); |
| |
| </script> |