1 files changed, 48 insertions, 0 deletions
diff --git a/spec/features/merge_requests/merge_request_versions_spec.rb b/spec/features/merge_requests/merge_request_versions_spec.rb
index cd2272dd38f..04e85ed3f73 100644
--- a/spec/features/merge_requests/merge_request_versions_spec.rb
+++ b/spec/features/merge_requests/merge_request_versions_spec.rb
@@ -81,4 +81,52 @@ feature 'Merge Request versions', js: true, feature: true do
       expect(page).to have_content '8 changed files'
     end
   end
+
+  describe 'compare with same version' do
+    before do
+      page.within '.mr-version-compare-dropdown' do
+        find('.btn-default').click
+        click_link 'version 1'
+      end
+    end
+
+    it 'should have 0 chages between versions' do
+      page.within '.mr-version-compare-dropdown' do
+        expect(page).to have_content 'version 1'
+      end
+
+      page.within '.mr-version-dropdown' do
+        find('.btn-default').click
+        find(:link, 'version 1').trigger('click')
+      end
+
+      expect(page).to have_content '0 changed files'
+    end
+  end
+
+  describe 'compare with newer version' do
+    before do
+      page.within '.mr-version-compare-dropdown' do
+        find('.btn-default').click
+        click_link 'version 2'
+      end
+    end
+
+    it 'should set the compared versions to be the same' do
+      page.within '.mr-version-compare-dropdown' do
+        expect(page).to have_content 'version 2'
+      end
+
+      page.within '.mr-version-dropdown' do
+        find('.btn-default').click
+        find(:link, 'version 1').trigger('click')
+      end
+
+      page.within '.mr-version-compare-dropdown' do
+        expect(page).to have_content 'version 1'
+      end
+
+      expect(page).to have_content '0 changed files'
+    end
+  end
 end