1 files changed, 40 insertions, 0 deletions
diff --git a/dom/canvas/test/reftest/webgl-clear-test.html b/dom/canvas/test/reftest/webgl-clear-test.html
new file mode 100644
index 0000000000..9be310c8ac
--- /dev/null
+++ b/dom/canvas/test/reftest/webgl-clear-test.html
@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<meta charset='UTF-8'>
+<!--
+Clear the canvas to green to test that we get pixels to the screen.
+
+If this fails, something is seriously wrong.
+-->
+<html>
+
+<head>
+  <script type='text/javascript' src='webgl-utils.js'></script>
+  <script type='text/javascript'>
+'use strict';
+
+function setStatus(text) {
+  var elem = document.getElementById('status');
+  elem.innerHTML = text;
+}
+
+function runTest() {
+  var canvas = document.getElementById('canvas');
+
+  var gl = initGL(canvas);
+  if (!gl) {
+    setStatus('WebGL context creation failed.');
+    return;
+  }
+
+  gl.clearColor(0.0, 1.0, 0.0, 1.0);
+  gl.clear(gl.COLOR_BUFFER_BIT);
+}
+  </script>
+</head>
+
+<body onload='runTest();'>
+  <canvas id='canvas' width='256' height='256'></canvas>
+  <div id='status'></div>
+</body>
+
+</html>