| <!DOCTYPE html> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| window.onload = function() { |
| testRunner.display(); |
| mutateTree(); |
| testRunner.display(); |
| testRunner.notifyDone(); |
| }; |
| } else { |
| window.onload = function() { setTimeout(mutateTree, 100); }; |
| } |
| function mutateTree() { |
| // Add a reference from the rect in pattern#p3 to form a cycle. |
| document.getElementsByTagName('rect')[1].setAttribute('fill', 'url(#p1)'); |
| } |
| </script> |
| <p>PASS if no crash (stack overflow).</p> |
| <svg width="100" height="100"> |
| <rect width="100" height="100" fill="url(#p1)"/> |
| <pattern id="p3" width="1" height="1"> |
| <rect width="100" height="100"/> |
| </pattern> |
| <pattern id="p2" width="1" height="1"> |
| <rect fill="url(#p3)" width="100" height="100"/> |
| </pattern> |
| <pattern id="p1" width="1" height="1"> |
| <rect fill="url(#p2)" width="100" height="100"/> |
| </pattern> |
| </svg> |