spec/paypal/payment/request_spec.rb in paypal-express-0.4.5 vs spec/paypal/payment/request_spec.rb in paypal-express-0.4.6

@@ -103,6 +103,26 @@
         :L_BILLINGTYPE0 => :MerchantInitiatedBillingSingleAgreement,
         :L_BILLINGAGREEMENTDESCRIPTION0 => "Reference Transaction Request"
       }
     end
   end
+
+  describe '#items_amount' do
+    context 'when BigDecimal'
+    let(:instance) do
+      Paypal::Payment::Request.new(
+        :items => [{
+          :quantity => 3,
+          :name => 'Item1',
+          :description => 'Awesome Item 1!',
+          :amount => 130.45
+        }]
+      )
+    end
+
+    # NOTE:
+    # 391.35 * 3 => 391.34999999999997 (in ruby 1.9)
+    it 'should calculate total amount correctly' do
+      instance.items_amount.should == 391.35
+    end
+  end
 end