add a simple test case

Author: attilaolah

spec/coffeescripts/wow-spec.coffee

@@ -205,12 +205,17 @@ describe 'WOW', ->
 
   describe 'library behaviour with custom settings', ->
 
+    called = false
+
     beforeEach (done) ->
+      called = false
       loadFixtures 'custom.html'
       new WOW
         boxClass:     'block'
         animateClass: 'fancy'
         offset:       10
+        callback:     ->
+          called = true
       .init()
       setTimeout ->
         done()
@@ -293,3 +298,13 @@ describe 'WOW', ->
           done()
         , timeout
       , timeout
+
+    it "fires the callback", (done) ->
+      called = false  # reset
+      # Scroll down so that 150px of #custom-3 becomes visible.
+      window.scrollTo 0, $('#custom-3').offset().top - winHeight + 150
+      setTimeout ->
+        expect called
+          .toBe true
+        done()
+      , timeout

spec/javascripts/wow-spec.js

@@ -140,12 +140,18 @@
       });
     });
     return describe('library behaviour with custom settings', function() {
+      var called;
+      called = false;
       beforeEach(function(done) {
+        called = false;
         loadFixtures('custom.html');
         new WOW({
           boxClass: 'block',
           animateClass: 'fancy',
-          offset: 10
+          offset: 10,
+          callback: function() {
+            return called = true;
+          }
         }).init();
         return setTimeout(function() {
           return done();
@@ -190,7 +196,7 @@
         expect($('#custom-3')).not.toHaveClass('fancy');
         return expect($('#custom-4')).not.toHaveClass('fancy');
       });
-      return it('animates elements after scrolling down and they become visible', function(done) {
+      it('animates elements after scrolling down and they become visible', function(done) {
         window.scrollTo(0, $('#custom-3').offset().top - winHeight + 150);
         return setTimeout(function() {
           expect($('#custom-3')).toHaveClass('fancy');
@@ -208,6 +214,14 @@
           }, timeout);
         }, timeout);
       });
+      return it("fires the callback", function(done) {
+        called = false;
+        window.scrollTo(0, $('#custom-3').offset().top - winHeight + 150);
+        return setTimeout(function() {
+          expect(called).toBe(true);
+          return done();
+        }, timeout);
+      });
     });
   });