| <!DOCTYPE html> |
| <link rel="help" href="https://drafts.csswg.org/css-values-4/#comp-func"> |
| <link rel="help" href="https://drafts.csswg.org/css-values-4/#lengths"> |
| <link rel="help" href="https://drafts.csswg.org/css-values-4/#calc-type-checking"> |
| <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); |
| } |
| |
| // Identity tests |
| test_length_equals('min(1px)', '1px'); |
| test_length_equals('min(1cm)', '1cm'); |
| test_length_equals('min(1mm)', '1mm'); |
| test_length_equals('min(1Q)', '1Q'); |
| test_length_equals('min(1in)', '1in'); |
| test_length_equals('min(1pc)', '1pc'); |
| test_length_equals('min(1pt)', '1pt'); |
| test_length_equals('min(1em)', '1em'); |
| test_length_equals('min(1ex)', '1ex'); |
| test_length_equals('min(1ch)', '1ch'); |
| test_length_equals('min(1rem)', '1rem'); |
| test_length_equals('min(1vh)', '1vh'); |
| test_length_equals('min(1vw)', '1vw'); |
| test_length_equals('min(1vmin)', '1vmin'); |
| test_length_equals('min(1vmax)', '1vmax'); |
| test_length_equals('max(1px)', '1px'); |
| test_length_equals('max(1cm)', '1cm'); |
| test_length_equals('max(1mm)', '1mm'); |
| test_length_equals('max(1Q)', '1Q'); |
| test_length_equals('max(1in)', '1in'); |
| test_length_equals('max(1pc)', '1pc'); |
| test_length_equals('max(1pt)', '1pt'); |
| test_length_equals('max(1em)', '1em'); |
| test_length_equals('max(1ex)', '1ex'); |
| test_length_equals('max(1ch)', '1ch'); |
| test_length_equals('max(1rem)', '1rem'); |
| test_length_equals('max(1vh)', '1vh'); |
| test_length_equals('max(1vw)', '1vw'); |
| test_length_equals('max(1vmin)', '1vmin'); |
| test_length_equals('max(1vmax)', '1vmax'); |
| |
| // Comparisons between same units |
| test_length_equals('min(1px, 2px)', '1px'); |
| test_length_equals('min(1cm, 2cm)', '1cm'); |
| test_length_equals('min(1mm, 2mm)', '1mm'); |
| test_length_equals('min(1Q, 2Q)', '1Q'); |
| test_length_equals('min(1in, 2in)', '1in'); |
| test_length_equals('min(1pc, 2pc)', '1pc'); |
| test_length_equals('min(1pt, 2pt)', '1pt'); |
| test_length_equals('min(1em, 2em)', '1em'); |
| test_length_equals('min(1ex, 2ex)', '1ex'); |
| test_length_equals('min(1ch, 2ch)', '1ch'); |
| test_length_equals('min(1rem, 2rem)', '1rem'); |
| test_length_equals('min(1vh, 2vh)', '1vh'); |
| test_length_equals('min(1vw, 2vw)', '1vw'); |
| test_length_equals('min(1vmin, 2vmin)', '1vmin'); |
| test_length_equals('min(1vmax, 2vmax)', '1vmax'); |
| test_length_equals('max(1px, 2px)', '2px'); |
| test_length_equals('max(1cm, 2cm)', '2cm'); |
| test_length_equals('max(1mm, 2mm)', '2mm'); |
| test_length_equals('max(1Q, 2Q)', '2Q'); |
| test_length_equals('max(1in, 2in)', '2in'); |
| test_length_equals('max(1pc, 2pc)', '2pc'); |
| test_length_equals('max(1pt, 2pt)', '2pt'); |
| test_length_equals('max(1em, 2em)', '2em'); |
| test_length_equals('max(1ex, 2ex)', '2ex'); |
| test_length_equals('max(1ch, 2ch)', '2ch'); |
| test_length_equals('max(1rem, 2rem)', '2rem'); |
| test_length_equals('max(1vh, 2vh)', '2vh'); |
| test_length_equals('max(1vw, 2vw)', '2vw'); |
| test_length_equals('max(1vmin, 2vmin)', '2vmin'); |
| test_length_equals('max(1vmax, 2vmax)', '2vmax'); |
| |
| // Comparisons between different absolute units |
| test_length_equals('min(95px, 1in)', '95px'); |
| test_length_equals('max(95px, 1in)', '1in'); |
| |
| // Comparisons between absolute and relative units |
| test_length_equals('min(15px, 1em)', '15px'); |
| test_length_equals('min(25px, 1em)', '20px'); |
| test_length_equals('max(15px, 1em)', '20px'); |
| test_length_equals('max(25px, 1em)', '25px'); |
| |
| document.getElementById('container').style.fontSize = '10px'; |
| test_length_equals('min(15px, 1em)', '10px'); |
| test_length_equals('max(15px, 2em)', '20px'); |
| |
| document.getElementById('container').style.fontSize = '20px'; |
| |
| // Nestings |
| test_length_equals('min(25px, max(15px, 1em))', '20px'); |
| test_length_equals('max(15px, min(25px, 1em))', '20px'); |
| |
| // General calculations |
| test_length_equals('calc(min(1em, 21px) + 10px)', '30px'); |
| test_length_equals('calc(min(1em, 21px) - 10px)', '10px'); |
| test_length_equals('calc(min(1em, 21px) * 2', '40px'); |
| test_length_equals('calc(min(1em, 21px) / 2', '10px'); |
| test_length_equals('calc(max(1em, 19px) + 10px)', '30px'); |
| test_length_equals('calc(max(1em, 19px) - 10px)', '10px'); |
| test_length_equals('calc(max(1em, 19px) * 2', '40px'); |
| test_length_equals('calc(max(1em, 19px) / 2', '10px'); |
| test_length_equals('calc(min(1em, 21px) + max(0.9em, 20px))', '40px'); |
| test_length_equals('calc(min(1em, 21px) - max(0.9em, 20px))', '0px'); |
| </script> |