viewport-units-invalidation.html (2456B)
1 <!DOCTYPE html> 2 <title>Invalidation of viewport units</title> 3 <link rel="help" href="https://drafts.csswg.org/css-values-4/#viewport-relative-lengths"> 4 <script src="/resources/testharness.js"></script> 5 <script src="/resources/testharnessreport.js"></script> 6 7 <style> 8 iframe { 9 width: 200px; 10 height: 100px; 11 } 12 13 iframe.resize { 14 width: 400px; 15 height: 300px; 16 } 17 </style> 18 19 <main id=main></main> 20 21 <script> 22 23 function test_invalidation_value(value, expected_pre, expected_post) { 24 test((t) => { 25 let iframe = document.createElement('iframe'); 26 main.append(iframe); 27 const doc = iframe.contentDocument; 28 const win = iframe.contentWindow; 29 t.add_cleanup(() => { 30 doc.body.innerHTML = ''; 31 iframe.remove(); 32 }); 33 doc.body.innerHTML = `<div style="height: ${value};"></div>`; 34 let div = doc.querySelector('div'); 35 assert_equals(win.getComputedStyle(div).height, expected_pre); 36 37 t.add_cleanup(() => { iframe.classList.remove('resize'); }) 38 iframe.classList.add('resize'); 39 assert_equals(win.getComputedStyle(div).height, expected_post); 40 }, `${value} computes to ${expected_post} after frame resize`); 41 } 42 43 test_invalidation_value('100vw', '200px', '400px'); 44 test_invalidation_value('100vi', '200px', '400px'); 45 test_invalidation_value('100vmax', '200px', '400px'); 46 test_invalidation_value('100svw', '200px', '400px'); 47 test_invalidation_value('100svi', '200px', '400px'); 48 test_invalidation_value('100svmax', '200px', '400px'); 49 test_invalidation_value('100lvw', '200px', '400px'); 50 test_invalidation_value('100lvi', '200px', '400px'); 51 test_invalidation_value('100lvmax', '200px', '400px'); 52 test_invalidation_value('100dvw', '200px', '400px'); 53 test_invalidation_value('100dvi', '200px', '400px'); 54 test_invalidation_value('100dvmax', '200px', '400px'); 55 56 test_invalidation_value('100vh', '100px', '300px'); 57 test_invalidation_value('100vb', '100px', '300px'); 58 test_invalidation_value('100vmin', '100px', '300px'); 59 test_invalidation_value('100svh', '100px', '300px'); 60 test_invalidation_value('100svb', '100px', '300px'); 61 test_invalidation_value('100svmin', '100px', '300px'); 62 test_invalidation_value('100lvh', '100px', '300px'); 63 test_invalidation_value('100lvb', '100px', '300px'); 64 test_invalidation_value('100lvmin', '100px', '300px'); 65 test_invalidation_value('100dvh', '100px', '300px'); 66 test_invalidation_value('100dvb', '100px', '300px'); 67 test_invalidation_value('100dvmin', '100px', '300px'); 68 69 </script>