dynamic-change-inline-size-002.html (1390B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>CSS Test: Dynamic change to the inline-size of a block container</title> 4 <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com"> 5 <link rel="author" title="Mozilla" href="https://www.mozilla.org/"> 6 <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1731653"> 7 <link rel="stylesheet" href="/fonts/ahem.css"> 8 <link rel="match" href="../reference/ref-filled-green-100px-square.xht"> 9 <meta name="assert" content="This test verifies that the dynamic change to the block container's inline-size triggers the reflow of its children"> 10 11 <style> 12 #block { 13 inline-size: 100px; 14 block-size: 100px; 15 font: 50px/1 Ahem; 16 color: green; 17 word-break: break-all; 18 } 19 20 #block > div { 21 /* The following inline-size and padding will give the div a border-box 22 inline-size of 100px, both before and after this test's dynamic 23 modification. */ 24 inline-size: 50%; 25 padding-right: calc(100px - 50%); 26 background: red; 27 } 28 </style> 29 30 <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> 31 <div id="block"> 32 <div>XXXX</div> 33 </div> 34 35 <script> 36 /* Make sure the layout is up-to-date, which is essential to trigger the bug. */ 37 document.documentElement.offsetHeight; 38 39 /* Change the block's inline-size to trigger incremental reflow. */ 40 document.getElementById("block").style.inlineSize = "200px"; 41 </script>