Add tests

test/spec/ol/vec/mat4.test.js

@@ -0,0 +1,25 @@
+goog.provide('ol.test.vec.Mat4');
+
+describe('ol.vec.Mat4', function() {
+
+  describe('ol.vec.Mat4.create()', function() {
+    it('returns the expected matrix', function() {
+      expect(ol.vec.Mat4.create()).to.eql(
+            [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]);
+    });
+  });
+
+  describe('ol.vec.Mat4.fromTransform()', function() {
+    it('sets the expected transform on the matrix', function() {
+      var transform = [1, 2, 3, 4, 5, 6];
+      var result = ol.vec.Mat4.create();
+      expect(ol.vec.Mat4.fromTransform(result, transform)).to.eql(
+          [1, 2, 0, 0, 3, 4, 0, 0, 0, 0, 1, 0, 5, 6, 0, 1]);
+      expect(result).to.eql(
+          [1, 2, 0, 0, 3, 4, 0, 0, 0, 0, 1, 0, 5, 6, 0, 1]);
+    });
+  });
+
+});
+
+goog.require('ol.vec.Mat4');