diff --git a/test/integration/deliverables_edit_test.rb b/test/integration/deliverables_edit_test.rb
index 9ec87e6..3394c2f 100644
--- a/test/integration/deliverables_edit_test.rb
+++ b/test/integration/deliverables_edit_test.rb
@@ -294,4 +294,41 @@ class DeliverablesEditTest < ActionController::IntegrationTest
     assert_equal 12, @overhead_budgets.length # 6 months * 2 records
 
   end
+
+  should "allow editing a Retainer's start and end months inside the current period" do
+    @retainer_deliverable = RetainerDeliverable.spawn(:contract => @contract, :manager => @manager, :title => "Retainer")
+    @retainer_deliverable.labor_budgets << @labor_budget = LaborBudget.spawn(:deliverable => @retainer_deliverable, :budget => 1000, :hours => 10)
+    @retainer_deliverable.labor_budgets << @labor_budget = LaborBudget.spawn(:deliverable => @retainer_deliverable, :budget => 2000, :hours => 20)
+    @retainer_deliverable.overhead_budgets << @overhead_budget = OverheadBudget.spawn(:deliverable => @retainer_deliverable, :budget => 1000, :hours => 10)
+    @retainer_deliverable.overhead_budgets << @overhead_budget = OverheadBudget.spawn(:deliverable => @retainer_deliverable, :budget => 2000, :hours => 20)
+    @retainer_deliverable.start_date = '2010-01-01'
+    @retainer_deliverable.end_date = '2010-12-31'
+    @retainer_deliverable.save!
+    assert_equal 12, @retainer_deliverable.months.length
+    assert_equal 24, @retainer_deliverable.reload.labor_budgets.count # 12 months * 2 records
+    assert_equal 24, @retainer_deliverable.reload.overhead_budgets.count # 12 months * 2 records
+
+    visit_contract_page(@contract)
+    click_link_within "#deliverable_details_#{@retainer_deliverable.id}", 'Edit'
+    assert_response :success
+    assert_template 'deliverables/edit'
+
+    # Edit the dates without changing the period
+    fill_in "Start", :with => '2010-01-13'
+    fill_in "End Date", :with => '2010-12-01'
+    click_button "Save"
+    assert_response :success
+    assert_template 'contracts/show'
+
+    @retainer_deliverable.reload
+    
+    assert_equal 12, @retainer_deliverable.months.length
+
+    @labor_budgets = @retainer_deliverable.reload.labor_budgets
+    assert_equal 24, @labor_budgets.length # 12 months * 2 records
+
+    @overhead_budgets = @retainer_deliverable.reload.overhead_budgets
+    assert_equal 24, @overhead_budgets.length # 12 months * 2 records
+
+  end
 end