diff -r 000000000000 -r 6474c204b198 browser/devtools/tilt/test/browser_tilt_math07.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/tilt/test/browser_tilt_math07.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,49 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+function test() {
+  let q1 = quat4.create([1, 2, 3, 4]);
+  let q2 = quat4.create([5, 6, 7, 8]);
+
+  quat4.multiply(q1, q2);
+  ok(isApproxVec(q1, [24, 48, 48, -6]),
+    "The quat4.multiply() function didn't set the values correctly.");
+
+  let v1 = quat4.multiplyVec3(q1, [9, 9, 9]);
+  ok(isApproxVec(v1, [5508, 54756, 59940]),
+    "The quat4.multiplyVec3() function didn't set the values correctly.");
+
+  let m1 = quat4.toMat3(q1);
+  ok(isApproxVec(m1, [
+    -9215, 2880, 1728, 1728, -5759, 4896, 2880, 4320, -5759
+  ]), "The quat4.toMat3() function didn't set the values correctly.");
+
+  let m2 = quat4.toMat4(q1);
+  ok(isApproxVec(m2, [
+    -9215, 2880, 1728, 0, 1728, -5759, 4896, 0,
+    2880, 4320, -5759, 0, 0, 0, 0, 1
+  ]), "The quat4.toMat4() function didn't set the values correctly.");
+
+  quat4.calculateW(q1);
+  quat4.calculateW(q2);
+  quat4.slerp(q1, q2, 0.5);
+  ok(isApproxVec(q1, [24, 48, 48, -71.99305725097656]),
+    "The quat4.slerp() function didn't set the values correctly.");
+
+  let q3 = quat4.fromAxis([1, 1, 1], 0.5);
+  ok(isApproxVec(q3, [
+    0.24740396440029144, 0.24740396440029144, 0.24740396440029144,
+    0.9689124226570129
+  ]), "The quat4.fromAxis() function didn't compute the values correctly.");
+
+  let q4 = quat4.fromEuler(0.5, 0.75, 1.25);
+  ok(isApproxVec(q4, [
+    0.15310347080230713, 0.39433568716049194,
+    0.4540249705314636, 0.7841683626174927
+  ]), "The quat4.fromEuler() function didn't compute the values correctly.");
+
+
+  is(quat4.str([1, 2, 3, 4]), "[1, 2, 3, 4]",
+    "The quat4.str() function didn't work properly.");
+}