Also add tests for video not found

Author: vincentfretin

tests/systems/material.test.js

@@ -6,6 +6,7 @@ var IMAGE2 = 'base/tests/assets/test2.png';
 var IMAGE_FAIL = 'base/tests/assets/nonexistent.png';
 var VIDEO1 = 'base/tests/assets/test.mp4';
 var VIDEO2 = 'base/tests/assets/test2.mp4';
+var VIDEO_FAIL = 'base/tests/assets/nonexistent.mp4';
 
 suite('material system', function () {
   setup(function (done) {
@@ -143,6 +144,15 @@ suite('material system', function () {
           done();
         });
       });
+
+      test('returns null when video fails to load', function (done) {
+        var system = this.system;
+
+        system.loadTexture(VIDEO_FAIL, {}, function (texture) {
+          assert.equal(texture, null);
+          done();
+        });
+      });
     });
 
     suite('loadVideo', function () {
@@ -217,6 +227,15 @@ suite('material system', function () {
           done();
         });
       });
+
+      test('returns null when video fails to load', function (done) {
+        var system = this.system;
+
+        system.loadTextureSource(VIDEO_FAIL, function (source) {
+          assert.equal(source, null);
+          done();
+        });
+      });
     });
   });
 });