very simple animation tests

tests/index.html

@@ -33,6 +33,7 @@
         <script src="test.confirm.js"></script>
         <script src="test.prompt.js"></script>
         <script src="test.locales.js"></script>
+        <script src="test.animate.js"></script>
 
         <script>
             $(function() {

tests/test.animate.js

@@ -0,0 +1,34 @@
+describe("animate", function() {
+    var box;
+
+    before(function() {
+        bootbox.animate(true);
+    });
+
+    after(function() {
+        $(".bootbox")
+        .modal('hide')
+        .remove();
+    });
+
+    describe("when enabled", function() {
+        before(function() {
+            box = bootbox.dialog("foo");
+        });
+
+        it("should apply the correct class to the modal", function() {
+            assert.isTrue(box.hasClass("fade"));
+        });
+    });
+
+    describe("when disabled but passed as an option", function() {
+        before(function() {
+            bootbox.animate(false);
+            box = bootbox.dialog("foo", [], {"animate": true});
+        });
+
+        it("should apply the correct class to the modal", function() {
+            assert.isTrue(box.hasClass("fade"));
+        });
+    });
+});