try-tactic-basic.html (3959B)
1 <!DOCTYPE html> 2 <title>CSS Anchor Positioning: try-tactic</title> 3 <link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#typedef-position-try-fallbacks-try-tactic"> 4 <script src="/resources/testharness.js"></script> 5 <script src="/resources/testharnessreport.js"></script> 6 <style> 7 @position-try --pf { 8 left:10px; 9 top:20px; 10 } 11 #cb { 12 position: absolute; 13 width: 400px; 14 height: 400px; 15 border: 1px solid black; 16 } 17 #target { 18 position: absolute; 19 left: 99999px; /* force fallback */ 20 width: 30px; 21 height: 40px; 22 background-color: skyblue; 23 } 24 </style> 25 <div id=cb> 26 <div id=target></div> 27 </div> 28 <script> 29 function test_try_tactic(try_tactic, expected_offsets) { 30 target.style.positionTryFallbacks = `--pf ${try_tactic}`; 31 test(() => { 32 assert_equals(target.offsetLeft, expected_offsets.left, 'offsetLeft'); 33 assert_equals(target.offsetTop, expected_offsets.top, 'offsetTop'); 34 assert_equals(target.offsetWidth, expected_offsets.width, 'offsetWidth'); 35 assert_equals(target.offsetHeight, expected_offsets.height, 'offsetHeight'); 36 }, try_tactic); 37 } 38 39 test_try_tactic('', {left:10, top:20, width:30, height:40}); 40 41 // bottom:20px 42 test_try_tactic('flip-block', {left:10, top:340, width:30, height:40}); 43 test_try_tactic('flip-y', {left:10, top:340, width:30, height:40}); 44 45 // right:10px 46 test_try_tactic('flip-inline', {left:360, top:20, width:30, height:40}); 47 test_try_tactic('flip-x', {left:360, top:20, width:30, height:40}); 48 49 // right:10px; bottom:20px 50 test_try_tactic('flip-block flip-inline', {left:360, top:340, width:30, height:40}); 51 test_try_tactic('flip-inline flip-block', {left:360, top:340, width:30, height:40}); 52 test_try_tactic('flip-y flip-x', {left:360, top:340, width:30, height:40}); 53 test_try_tactic('flip-x flip-y', {left:360, top:340, width:30, height:40}); 54 55 // left:20px; top:10px; width:40px; height:30px 56 test_try_tactic('flip-start', {left:20, top:10, width:40, height:30}); 57 test_try_tactic('flip-block flip-start flip-inline', {left:20, top:10, width:40, height:30}); 58 test_try_tactic('flip-inline flip-start flip-block', {left:20, top:10, width:40, height:30}); 59 test_try_tactic('flip-y flip-start flip-x', {left:20, top:10, width:40, height:30}); 60 test_try_tactic('flip-x flip-start flip-y', {left:20, top:10, width:40, height:30}); 61 62 // left:20px; bottom:10px; width:40px; height:30px 63 test_try_tactic('flip-start flip-block', {left:20, top:360, width:40, height:30}); 64 test_try_tactic('flip-inline flip-start', {left:20, top:360, width:40, height:30}); 65 test_try_tactic('flip-start flip-y', {left:20, top:360, width:40, height:30}); 66 test_try_tactic('flip-x flip-start', {left:20, top:360, width:40, height:30}); 67 68 // right:20px; top:10px; width:40px; height:30px 69 test_try_tactic('flip-start flip-inline', {left:340, top:10, width:40, height:30}); 70 test_try_tactic('flip-block flip-start', {left:340, top:10, width:40, height:30}); 71 test_try_tactic('flip-start flip-x', {left:340, top:10, width:40, height:30}); 72 test_try_tactic('flip-y flip-start', {left:340, top:10, width:40, height:30}); 73 74 // right:20px; bottom:10px; width:40px; height:30px 75 test_try_tactic('flip-start flip-block flip-inline', {left:340, top:360, width:40, height:30}); 76 test_try_tactic('flip-start flip-inline flip-block', {left:340, top:360, width:40, height:30}); 77 test_try_tactic('flip-inline flip-block flip-start', {left:340, top:360, width:40, height:30}); 78 test_try_tactic('flip-block flip-inline flip-start', {left:340, top:360, width:40, height:30}); 79 test_try_tactic('flip-start flip-y flip-x', {left:340, top:360, width:40, height:30}); 80 test_try_tactic('flip-start flip-x flip-y', {left:340, top:360, width:40, height:30}); 81 test_try_tactic('flip-x flip-y flip-start', {left:340, top:360, width:40, height:30}); 82 test_try_tactic('flip-y flip-x flip-start', {left:340, top:360, width:40, height:30}); 83 </script>