| <!DOCTYPE html> |
| <link rel="help" href="https://www.w3.org/TR/css-break-3/#transforms"> |
| <style> |
| body { margin: 0; } |
| *:hover { background: lime !important; } |
| </style> |
| <div id="multicol" style="columns:4; column-gap:0; column-fill:auto; width:400px; height:100px; background: yellow"> |
| <div id="before" style="height: 50px; background: gray"></div> |
| <div id="transform" style="transform: translateY(20px)"> |
| <div id="target1" style="height: 100px; background: green"></div> |
| <div id="target2" style="height: 200px; background: blue"></div> |
| </div> |
| <div id="after" style="height: 50px; background: gray"></div> |
| </div> |
| <div id="log" style="margin-top:100px;"></div> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| test(()=> { assert_equals(document.elementFromPoint(50, 40), before); }, "before"); |
| test(()=> { assert_equals(document.elementFromPoint(50, 60), multicol); }, "between before and transform"); |
| test(()=> { assert_equals(document.elementFromPoint(50, 80), target1); }, "target1"); |
| test(()=> { assert_equals(document.elementFromPoint(50, 110), target1); }, "target1 overflow"); |
| test(()=> { assert_equals(document.elementFromPoint(150, 10), multicol); }, "top gap in column 2"); |
| test(()=> { assert_equals(document.elementFromPoint(150, 30), target1); }, "target1 in column 2 top"); |
| test(()=> { assert_equals(document.elementFromPoint(150, 60), target1); }, "target1 in column 2 bottom"); |
| test(()=> { assert_equals(document.elementFromPoint(150, 80), target2); }, "target2 in column 2"); |
| test(()=> { assert_equals(document.elementFromPoint(150, 110), target2); }, "target2 in column 2 overflow"); |
| test(()=> { assert_equals(document.elementFromPoint(250, 10), multicol); }, "top gap in column 3"); |
| test(()=> { assert_equals(document.elementFromPoint(250, 30), target2); }, "target2 in column 3 top"); |
| test(()=> { assert_equals(document.elementFromPoint(250, 110), target2); }, "target2 in column 3 bottom"); |
| test(()=> { assert_equals(document.elementFromPoint(350, 10), multicol); }, "top gap in column 4"); |
| test(()=> { assert_equals(document.elementFromPoint(350, 30), target2); }, "target2 in column 4 top"); |
| test(()=> { assert_equals(document.elementFromPoint(350, 60), target2); }, "target2 in column 4 bottom"); |
| test(()=> { assert_equals(document.elementFromPoint(350, 80), after); }, "after"); |
| test(()=> { assert_equals(document.elementFromPoint(350, 110), document.documentElement); }, "below"); |
| </script> |
