diff options
Diffstat (limited to 'dom/canvas/test/reftest/filters/liveness-document-removeChild.html')
-rw-r--r-- | dom/canvas/test/reftest/filters/liveness-document-removeChild.html | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/dom/canvas/test/reftest/filters/liveness-document-removeChild.html b/dom/canvas/test/reftest/filters/liveness-document-removeChild.html new file mode 100644 index 0000000000..acce9b8694 --- /dev/null +++ b/dom/canvas/test/reftest/filters/liveness-document-removeChild.html @@ -0,0 +1,34 @@ +<!DOCTYPE html> +<html lang="en"> +<title>canvas filters: remove referenced filter element through document.removeChild()</title> +<body onload="loaded()"> +<canvas id="canvas" width="10" height="10"></canvas> +<svg height="0"> + <filter id="filter"> + <feFlood flood-color="red"/> + </filter> +</svg> +<script> +function loaded() { + var ctx = document.getElementById('canvas').getContext('2d'); + ctx.filter = 'url(#filter)'; + ctx.fillRect(0, 0, 10, 10); // do a draw first to work around bug 1287316 + document.removeChild(document.documentElement); + // The document.removeChild() call removed #filter from the document. So the + // filter reference should now be invalid, and the rect should be drawn + // without a filter applied, resulting in black. + ctx.fillRect(0, 0, 10, 10); + try { + var data = ctx.getImageData(0, 0, 1, 1).data; + if (data[0] == 0 && data[1] == 0 && data[2] == 0 && data[3] == 255) { + // Successfully painted black. + document.write('PASS'); + } else { + // Painted something else, like red. + document.write('FAIL'); + } + } catch (e) { + document.write('getImageData failed'); + } +} +</script> |