test/twin/collection_test.rb in disposable-0.2.1 vs test/twin/collection_test.rb in disposable-0.2.2

@@ -213,11 +213,23 @@
   # #insert(index, model)
   it do
     collection.insert(0, Model::Album.new).must_be_instance_of Twin::Album
   end
 
+  # #append(model)
+  it do
+    collection.append(Model::Album.new).must_be_instance_of Twin::Album
+    collection[0].must_be_instance_of Twin::Album
+
+    # allows subsequent calls.
+    collection.append(Model::Album.new)
+    collection[1].must_be_instance_of Twin::Album
+
+    collection.size.must_equal 2
+  end
+
   # #<<
   it do
-    collection << Model::Album.new
+    (collection << Model::Album.new).must_be_instance_of Array
     collection[0].must_be_instance_of Twin::Album
   end
-end
\ No newline at end of file
+end