diff options
Diffstat (limited to 'dom/canvas/test/reftest/filters/liveness-document-open.html')
-rw-r--r-- | dom/canvas/test/reftest/filters/liveness-document-open.html | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/dom/canvas/test/reftest/filters/liveness-document-open.html b/dom/canvas/test/reftest/filters/liveness-document-open.html new file mode 100644 index 000000000..b3d76e550 --- /dev/null +++ b/dom/canvas/test/reftest/filters/liveness-document-open.html @@ -0,0 +1,46 @@ +<!DOCTYPE html> +<html lang="en"> + +<title>canvas filters: remove referenced filter element through document.open()</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.open(); + + // The document.open() 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'); + } + document.close(); +} + +</script> |