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-rw-r--r--layout/reftests/bugs/555388-1.html33
1 files changed, 33 insertions, 0 deletions
diff --git a/layout/reftests/bugs/555388-1.html b/layout/reftests/bugs/555388-1.html
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+++ b/layout/reftests/bugs/555388-1.html
@@ -0,0 +1,33 @@
+<html>
+ <head>
+ <script type="application/javascript">
+function draw() {
+ var canvas = document.getElementById("canvas");
+ var ctx = canvas.getContext("2d");
+
+ ctx.fillStyle = "red";
+ ctx.fillRect(0, 0, 500, 500);
+ ctx.save();
+ ctx.beginPath();
+ ctx.moveTo(30, 30);
+ ctx.lineTo(149, 30);
+ ctx.lineTo(150, 150);
+ ctx.lineTo(30, 150);
+ ctx.lineTo(30, 30);
+ ctx.clip();
+ ctx.clearRect(0, 0, 500, 500);
+ /**
+ * Work around a strange left edge offset problem in D2D.
+ */
+ ctx.restore();
+ ctx.fillStyle = "red";
+ ctx.fillRect(0, 0, 1, 500);
+ ctx.fillStyle = "white";
+ ctx.fillRect(30, 30, 1, 120);
+}
+ </script>
+ </head>
+<body onload="draw()">
+ <canvas id="canvas" width="300" height="300"></canvas>
+</body>
+</html>