diff --git a/lib/WebGUI/Shop/CartItem.pm b/lib/WebGUI/Shop/CartItem.pm
index 47232abcb..31ce96f2b 100644
--- a/lib/WebGUI/Shop/CartItem.pm
+++ b/lib/WebGUI/Shop/CartItem.pm
@@ -29,6 +29,27 @@ These subroutines are available from this package:
 readonly cart => my %cart;
 private properties => my %properties;
 
+
+#-------------------------------------------------------------------
+
+=head2 adjustQuantity ( [ quantity ] )
+
+Increments quantity of item by one. Returns the quantity of this item in the cart.
+
+=head3 quantity
+
+If specified may increment quantity by more than one. Specify a negative number to decrement quantity. If the quantity ever reaches 0 or lower, the item will be removed from the cart.
+
+=cut
+
+sub adjustQuantity {
+    my ($self, $quantity) = @_;
+    $quantity ||= 1;
+    $self->setQuantity($quantity + $self->get("quantity"));
+    return $self->get("quantity");
+}
+
+
 #-------------------------------------------------------------------
 
 =head2 cart ( )
@@ -157,25 +178,6 @@ sub getSku {
 }
 
 
-#-------------------------------------------------------------------
-
-=head2 incrementQuantity ( [ quantity ] )
-
-Increments quantity of item by one. Returns the quantity of this item in the cart.
-
-=head3 quantity
-
-If specified may increment quantity by more than one. Specify a negative number to decrement quantity. If the quantity ever reaches 0 or lower, the item will be removed from the cart.
-
-=cut
-
-sub incrementQuantity {
-    my ($self, $quantity) = @_;
-    $quantity ||= 1;
-    $self->setQuantity($quantity + $self->get("quantity"));
-    return $self->get("quantity");
-}
-
 
 #-------------------------------------------------------------------
 
diff --git a/t/Shop/Cart.t b/t/Shop/Cart.t
index 3ab8882e2..b6d716a30 100644
--- a/t/Shop/Cart.t
+++ b/t/Shop/Cart.t
@@ -30,7 +30,7 @@ my $session         = WebGUI::Test->session;
 #----------------------------------------------------------------------------
 # Tests
 
-plan tests => 16;        # Increment this number for each test you create
+plan tests => 19;        # Increment this number for each test you create
 
 #----------------------------------------------------------------------------
 # put your tests here
@@ -42,17 +42,17 @@ isa_ok($cart->session, "WebGUI::Session");
 
 my $root = WebGUI::Asset->getRoot($session);
 my $product = $root->addChild({
-    className=>"WebGUI::Asset::Sku",
+    className=>"WebGUI::Asset::Sku::Donation",
     title=>"Test Product",
     });
-
+$product->applyOptions({price=>50.25});
 my $item = $cart->addItem($product);
 isa_ok($item, "WebGUI::Shop::CartItem");
 isa_ok($item->cart, "WebGUI::Shop::Cart", "Does the item have a cart?");
 is(ref($item->get), "HASH", "Do we have a hash of properties?");
 
 is($item->get("quantity"), 1, "Should have 1 of these in the cart.");
-is($item->incrementQuantity(2), 3, "incrementQuantity() should tell us how many items of this type are in the cart");
+is($item->adjustQuantity(2), 3, "adjustQuantity() should tell us how many items of this type are in the cart");
 is($item->get("quantity"), 3, "Should have 3 of these in the cart.");
 is(scalar(@{$cart->getItems}), 1, "Should have 1 item type in cart regardless of quanity.");
 
@@ -64,12 +64,19 @@ like($cart->getId, qr/[A-Za-z0-9\_\-]{22}/, "Id looks like a guid.");
 is(ref($cart->get), "HASH", "Cart properties are a hash reference.");
 is($cart->get("sessionId"), $session->getId, "Can retrieve a value from the cart properties.");
 
+is($cart->formatCurrency(11.1), "11.10", "can format currency");
+
+is($cart->calculateSubtotal, 150.75, "can determine the price of the items in the cart");
+
 $cart->update({shippingAddressId => "XXXX"});
 is($cart->get("shippingAddressId"), "XXXX", "Can set values to the cart properties.");
 
+isa_ok($cart->getAddressBook, "WebGUI::Shop::AddressBook", "can get an address book");
+
 $cart->empty;
 is($session->db->quickScalar("select count(*) from cartItem where cartId=?",[$cart->getId]), 0, "Items are removed from cart.");
 
+
 $cart->delete;
 is($cart->delete, undef, "Can destroy cart.");