scroll-timeline-default-writing-mode-rl.html (1748B)
1 <!DOCTYPE HTML> 2 <html class="reftest-wait"> 3 <title>The default scroll() timeline with writing-mode:vertical-rl</title> 4 <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1"> 5 <link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#scroll-notation"> 6 <link rel="help" href="https://drafts.csswg.org/css-animations-2/#animation-timeline"> 7 <meta name="assert" content="CSS animation correctly updates values when using 8 the default scroll() timeline with writing-mode:vertical-rl"> 9 <link rel="match" href="scroll-timeline-default-writing-mode-rl-ref.html"> 10 11 <style> 12 @keyframes update { 13 from { transform: translateX(0px); } 14 to { transform: translateX(-200px); } 15 } 16 17 html { 18 min-block-size: 100%; 19 padding-block-end: 100px; 20 writing-mode: vertical-rl; 21 } 22 23 #box { 24 width: 100px; 25 height: 100px; 26 background-color: green; 27 animation: update 1s linear; 28 animation-timeline: scroll(); 29 } 30 31 #covered { 32 width: 100px; 33 height: 100px; 34 background-color: red; 35 } 36 37 * { 38 margin-block: 0px; 39 } 40 </style> 41 42 <div id="box"></div> 43 <div id="covered"></div> 44 45 <script src="/web-animations/testcommon.js"></script> 46 <script> 47 document.documentElement.addEventListener('TestRendered', async () => { 48 runTest(); 49 }, { once: true }); 50 51 async function runTest() { 52 const scroller = document.scrollingElement; 53 54 await waitForCompositorReady(); 55 56 // Move the scroller to the halfway point. 57 const maxScroll = scroller.scrollWidth - scroller.clientWidth; 58 scroller.scrollLeft = -0.5 * maxScroll; 59 60 await waitForNextFrame(); 61 await waitForNextFrame(); 62 63 document.documentElement.classList.remove("reftest-wait"); 64 } 65 </script>