font-stretch-interpolation-math-functions.html (1349B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <title>font-size-adjust interpolation with css math functions</title> 6 <link rel="help" href="https://drafts.csswg.org/css-fonts-5/#font-size-adjust-prop"> 7 <link rel="help" href="https://drafts.csswg.org/css-values/#sign-funcs"> 8 <script src="/resources/testharness.js"></script> 9 <script src="/resources/testharnessreport.js"></script> 10 <script src="/css/support/interpolation-testcommon.js"></script> 11 </head> 12 13 <style> 14 :root { 15 font-size: 10px; 16 } 17 </style> 18 <body> 19 <script> 20 test_interpolation({ 21 property: 'font-stretch', 22 from: '100%', 23 to: 'calc(sign(20rem - 20px) * 180%)', 24 }, [ 25 {at: -1, expect: '20%'}, 26 {at: 0, expect: '100%'}, 27 {at: 0.125, expect: '110%'}, 28 {at: 0.875, expect: '170%'}, 29 {at: 1, expect: '180%'}, 30 {at: 2, expect: '260%'} 31 ]); 32 33 test_interpolation({ 34 property: 'font-stretch', 35 from: 'calc(sign(20rem - 20px) * 100%)', 36 to: 'calc(sign(20rem - 20px) * 180%)', 37 }, [ 38 {at: -1, expect: '20%'}, 39 {at: 0, expect: '100%'}, 40 {at: 0.125, expect: '110%'}, 41 {at: 0.875, expect: '170%'}, 42 {at: 1, expect: '180%'}, 43 {at: 2, expect: '260%'} 44 ]); 45 </script> 46 </body> 47 </html>