Bug 524173. Reftests demonstrating off-by-one bug in degenerate linear gradients on some platforms.

2011-03-31 15:00:34 -04:00 · 2011-03-31 15:00:34 -04:00 · 9445215aa0
--- a/layout/reftests/canvas/linear-gradient-1-ref.html
+++ b/layout/reftests/canvas/linear-gradient-1-ref.html
@ -0,0 +1,3 @@
+<!doctype html>
+<div style="width:300px; height: 150px; background: #0000ff"></div>
+<div style="width:300px; height: 150px; background: #ff0000"></div>
--- a/layout/reftests/canvas/linear-gradient-1a.html
+++ b/layout/reftests/canvas/linear-gradient-1a.html
@ -0,0 +1,14 @@
+<!doctype html>
+<body>
+<canvas id="canvas" width="300" height="300">
+<script>
+var ctx = document.getElementById('canvas').getContext('2d');
+
+var grad = ctx.createLinearGradient(0,150,0,450);
+grad.addColorStop(0, '#0000ff');
+grad.addColorStop(0, '#ff0000');
+
+ctx.fillStyle = grad;
+ctx.fillRect(0,0,300,300);
+</script>
+</body>
--- a/layout/reftests/canvas/linear-gradient-1b.html
+++ b/layout/reftests/canvas/linear-gradient-1b.html
@ -0,0 +1,14 @@
+<!doctype html>
+<body>
+<canvas id="canvas" width="300" height="300">
+<script>
+var ctx = document.getElementById('canvas').getContext('2d');
+
+var grad = ctx.createLinearGradient(0,-150,0,150);
+grad.addColorStop(1, '#0000ff');
+grad.addColorStop(1, '#ff0000');
+
+ctx.fillStyle = grad;
+ctx.fillRect(0,0,300,300);
+</script>
+</body>
--- a/layout/reftests/canvas/reftest.list
+++ b/layout/reftests/canvas/reftest.list
@ -41,3 +41,7 @@ asserts-if(cocoaWidget,0-2) == size-change-1.html size-change-1-ref.html
 fails-if(Android) != text-font-lang.html text-font-lang-notref.html

 == strokeText-path.html strokeText-path-ref.html
+
+# gradient off-by-one, fails on windows and linux
+== linear-gradient-1a.html linear-gradient-1-ref.html
+fails-if(cocoaWidget) == linear-gradient-1b.html linear-gradient-1-ref.html