diff -r 000000000000 -r 6474c204b198 browser/devtools/tilt/test/browser_tilt_gl06.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/tilt/test/browser_tilt_gl06.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,57 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+let isWebGLAvailable;
+
+function onWebGLFail() {
+  isWebGLAvailable = false;
+}
+
+function onWebGLSuccess() {
+  isWebGLAvailable = true;
+}
+
+function test() {
+  if (!isWebGLSupported()) {
+    info("Skipping tilt_gl06 because WebGL isn't supported on this hardware.");
+    return;
+  }
+
+  let canvas = createCanvas();
+
+  let renderer = new TiltGL.Renderer(canvas, onWebGLFail, onWebGLSuccess);
+  let gl = renderer.context;
+
+  if (!isWebGLAvailable) {
+    return;
+  }
+
+
+  let vb = new renderer.VertexBuffer([1, 2, 3, 4, 5, 6], 3);
+
+  ok(vb instanceof TiltGL.VertexBuffer,
+    "The vertex buffer object wasn't instantiated correctly.");
+  ok(vb._ref,
+    "The vertex buffer gl element wasn't created at initialization.");
+  ok(vb.components,
+    "The vertex buffer components weren't created at initialization.");
+  is(vb.itemSize, 3,
+    "The vertex buffer item size isn't set correctly.");
+  is(vb.numItems, 2,
+    "The vertex buffer number of items weren't calculated correctly.");
+
+
+  let ib = new renderer.IndexBuffer([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
+
+  ok(ib instanceof TiltGL.IndexBuffer,
+    "The index buffer object wasn't instantiated correctly.");
+  ok(ib._ref,
+    "The index buffer gl element wasn't created at initialization.");
+  ok(ib.components,
+    "The index buffer components weren't created at initialization.");
+  is(ib.itemSize, 1,
+    "The index buffer item size isn't set correctly.");
+  is(ib.numItems, 10,
+    "The index buffer number of items weren't calculated correctly.");
+}