2 files changed, 19 insertions, 0 deletions
diff --git a/activerecord/test/cases/arel/nodes/and_test.rb b/activerecord/test/cases/arel/nodes/and_test.rb
index eff54abd91..d123ca9fd0 100644
--- a/activerecord/test/cases/arel/nodes/and_test.rb
+++ b/activerecord/test/cases/arel/nodes/and_test.rb
@@ -16,6 +16,15 @@ module Arel
           assert_equal 2, array.uniq.size
         end
       end
+
+      describe "functions as node expression" do
+        it "allows aliasing" do
+          aliased = And.new(["foo", "bar"]).as("baz")
+
+          assert_kind_of As, aliased
+          assert_kind_of SqlLiteral, aliased.right
+        end
+      end
     end
   end
 end
diff --git a/activerecord/test/cases/arel/nodes/case_test.rb b/activerecord/test/cases/arel/nodes/case_test.rb
index 89861488df..946c2b0453 100644
--- a/activerecord/test/cases/arel/nodes/case_test.rb
+++ b/activerecord/test/cases/arel/nodes/case_test.rb
@@ -80,6 +80,16 @@ module Arel
             assert_equal 2, array.uniq.size
           end
         end
+
+        describe "#as" do
+          it "allows aliasing" do
+            node = Case.new "foo"
+            as = node.as("bar")
+
+            assert_equal node, as.left
+            assert_kind_of Arel::Nodes::SqlLiteral, as.right
+          end
+        end
       end
     end
   end