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| 1 <!DOCTYPE html> | |
| 2 <script src="resources/paint-invalidation-test.js"></script> | |
| 3 <script> | |
| 4 if (window.testRunner) | |
| 5 testRunner.dumpAsText(); | |
| 6 function paintInvalidationTest() { | |
| 7 document.getElementById('overflow1').style.overflow = "visible"; | |
| 8 document.getElementById('overflow2').style.overflow = "hidden"; | |
| 9 } | |
| 10 onload = runPaintInvalidationTest; | |
| 11 </script> | |
| 12 <style> | |
| 13 body { | |
| 14 margin: 0; | |
| 15 } | |
| 16 #overflow1 { | |
| 17 overflow: hidden; | |
| 18 width: 200px; | |
| 19 height: 200px; | |
| 20 } | |
| 21 #overflow2 { | |
| 22 overflow: visible; | |
| 23 width: 200px; | |
| 24 height: 200px; | |
| 25 } | |
| 26 .composited-child { | |
| 27 width: 100px; | |
| 28 height: 100px; | |
| 29 background-color: green; | |
| 30 backface-visibility: hidden; | |
| 31 } | |
| 32 .overflow-child { | |
| 33 position: relative; | |
| 34 top: 50px; | |
| 35 left: 150px; | |
| 36 } | |
| 37 </style> | |
| 38 <!-- We should not repaint composited descendants on overflow style changes (ver
ified with the text expectation). | |
| 39 The compositor should handle any visual change caused by the change of overflow
clipping (verified with the pixel expectation). --> | |
| 40 <div id="overflow1"> | |
| 41 <div class="composited-child"></div> | |
| 42 <div class="composited-child overflow-child"></div> | |
| 43 </div> | |
| 44 <div id="overflow2"> | |
| 45 <div class="composited-child"></div> | |
| 46 <div class="composited-child overflow-child"></div> | |
| 47 </div> | |
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