1 files changed, 22 insertions, 0 deletions
diff --git a/dom/browser-element/mochitest/priority/file_WebGLContextLost.html b/dom/browser-element/mochitest/priority/file_WebGLContextLost.html
new file mode 100644
index 000000000..bd5c84f11
--- /dev/null
+++ b/dom/browser-element/mochitest/priority/file_WebGLContextLost.html
@@ -0,0 +1,22 @@
+<html>
+<body>
+file_WebGLContextLost.html
+<canvas id='canvas'></canvas>
+
+<script>
+function runTest()
+{
+  var canvas = document.getElementById('canvas');
+  canvas.addEventListener('webglcontextlost', function() {
+    alert('webglcontextlost');
+  });
+
+  var context = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');
+  context.viewport(0, 0, 10, 10);
+  alert('ready');
+}
+
+addEventListener('load', function() { setTimeout(runTest, 0) });
+</script>
+</body>
+</html>