diff -r 000000000000 -r 6474c204b198 browser/devtools/tilt/test/browser_tilt_gl04.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/tilt/test/browser_tilt_gl04.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,124 @@
+/* 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_gl04 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;
+  }
+
+
+  renderer.perspective();
+  ok(isApproxVec(renderer.projMatrix, [
+    1.2071068286895752, 0, 0, 0, 0, -2.4142136573791504, 0, 0, 0, 0,
+    -1.0202020406723022, -1, -181.06602478027344, 181.06602478027344,
+    148.14492797851562, 181.06602478027344
+  ]), "The default perspective proj. matrix wasn't calculated correctly.");
+
+  ok(isApproxVec(renderer.mvMatrix, [
+    1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1
+  ]), "Changing the perpective matrix should reset the modelview by default.");
+
+
+  renderer.ortho();
+  ok(isApproxVec(renderer.projMatrix, [
+    0.006666666828095913, 0, 0, 0, 0, -0.013333333656191826, 0, 0, 0, 0, -1,
+    0, -1, 1, 0, 1
+  ]), "The default ortho proj. matrix wasn't calculated correctly.");
+  ok(isApproxVec(renderer.mvMatrix, [
+    1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1
+  ]), "Changing the ortho matrix should reset the modelview by default.");
+
+
+  renderer.projection(mat4.perspective(45, 1, 0.1, 100));
+  ok(isApproxVec(renderer.projMatrix, [
+    2.4142136573791504, 0, 0, 0, 0, 2.4142136573791504, 0, 0, 0, 0,
+    -1.0020020008087158, -1, 0, 0, -0.20020020008087158, 0
+  ]), "A custom proj. matrix couldn't be set correctly.");
+  ok(isApproxVec(renderer.mvMatrix, [
+    1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1
+  ]), "Setting a custom proj. matrix should reset the model view by default.");
+
+
+  renderer.translate(1, 1, 1);
+  ok(isApproxVec(renderer.mvMatrix, [
+    1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1
+  ]), "The translation transformation wasn't applied correctly.");
+
+  renderer.rotate(0.5, 1, 1, 1);
+  ok(isApproxVec(renderer.mvMatrix, [
+    0.9183883666992188, 0.317602276802063, -0.23599065840244293, 0,
+    -0.23599065840244293, 0.9183883666992188, 0.317602276802063, 0,
+    0.317602276802063, -0.23599065840244293, 0.9183883666992188, 0, 1, 1, 1, 1
+  ]), "The rotation transformation wasn't applied correctly.");
+
+  renderer.rotateX(0.5);
+  ok(isApproxVec(renderer.mvMatrix, [
+    0.9183883666992188, 0.317602276802063, -0.23599065840244293, 0,
+    -0.05483464524149895, 0.6928216814994812, 0.7190210819244385, 0,
+    0.391862154006958, -0.6474001407623291, 0.6536949872970581, 0, 1, 1, 1, 1
+  ]), "The X rotation transformation wasn't applied correctly.");
+
+  renderer.rotateY(0.5);
+  ok(isApproxVec(renderer.mvMatrix, [
+    0.6180928945541382, 0.5891023874282837, -0.5204993486404419, 0,
+    -0.05483464524149895, 0.6928216814994812, 0.7190210819244385, 0,
+    0.7841902375221252, -0.4158804416656494, 0.4605313837528229, 0, 1, 1, 1, 1
+  ]), "The Y rotation transformation wasn't applied correctly.");
+
+  renderer.rotateZ(0.5);
+  ok(isApproxVec(renderer.mvMatrix, [
+    0.5161384344100952, 0.8491423726081848, -0.11206408590078354, 0,
+    -0.3444514572620392, 0.3255774974822998, 0.8805410265922546, 0,
+    0.7841902375221252, -0.4158804416656494, 0.4605313837528229, 0, 1, 1, 1, 1
+  ]), "The Z rotation transformation wasn't applied correctly.");
+
+  renderer.scale(2, 2, 2);
+  ok(isApproxVec(renderer.mvMatrix, [
+    1.0322768688201904, 1.6982847452163696, -0.22412817180156708, 0,
+    -0.6889029145240784, 0.6511549949645996, 1.7610820531845093, 0,
+    1.5683804750442505, -0.8317608833312988, 0.9210627675056458, 0, 1, 1, 1, 1
+  ]), "The Z rotation transformation wasn't applied correctly.");
+
+  renderer.transform(mat4.create());
+  ok(isApproxVec(renderer.mvMatrix, [
+    1.0322768688201904, 1.6982847452163696, -0.22412817180156708, 0,
+    -0.6889029145240784, 0.6511549949645996, 1.7610820531845093, 0,
+    1.5683804750442505, -0.8317608833312988, 0.9210627675056458, 0, 1, 1, 1, 1
+  ]), "The identity matrix transformation wasn't applied correctly.");
+
+  renderer.origin(1, 1, 1);
+  ok(isApproxVec(renderer.mvMatrix, [
+    1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1
+  ]), "The origin wasn't reset to identity correctly.");
+
+  renderer.translate(1, 2);
+  ok(isApproxVec(renderer.mvMatrix, [
+    1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 2, 0, 1
+  ]), "The second translation transformation wasn't applied correctly.");
+
+  renderer.scale(3, 4);
+  ok(isApproxVec(renderer.mvMatrix, [
+    3, 0, 0, 0, 0, 4, 0, 0, 0, 0, 1, 0, 1, 2, 0, 1
+  ]), "The second scale transformation wasn't applied correctly.");
+}