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-rw-r--r--dom/canvas/test/reftest/filters/global-alpha-ref.html18
1 files changed, 18 insertions, 0 deletions
diff --git a/dom/canvas/test/reftest/filters/global-alpha-ref.html b/dom/canvas/test/reftest/filters/global-alpha-ref.html
new file mode 100644
index 0000000000..2577581401
--- /dev/null
+++ b/dom/canvas/test/reftest/filters/global-alpha-ref.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html>
+<body>
+<canvas id="canvas" width="100" height="100"></canvas>
+<script>
+
+var canvas = document.getElementById('canvas');
+var ctx = canvas.getContext('2d');
+
+ctx.globalAlpha = 0.5;
+ctx.fillStyle = '#000';
+ctx.fillRect(25, 35, 50, 40);
+ctx.fillStyle = '#0f0';
+ctx.fillRect(25, 25, 50, 40);
+
+</script>
+</body>
+</html>