2 files changed, 13 insertions, 0 deletions
diff --git a/test/visitors/test_depth_first.rb b/test/visitors/test_depth_first.rb
index baa8f64184..d50ea3e59a 100644
--- a/test/visitors/test_depth_first.rb
+++ b/test/visitors/test_depth_first.rb
@@ -1,4 +1,5 @@
 require 'helper'
+require 'set'
 
 module Arel
   module Visitors
@@ -171,6 +172,13 @@ module Arel
         assert_equal [:a, :b, node, list], @collector.calls
       end
 
+      def test_set
+        node = Nodes::Or.new(:a, :b)
+        set  = Set.new([node])
+        @visitor.accept set
+        assert_equal [:a, :b, node, set], @collector.calls
+      end
+
       def test_hash
         node = Nodes::Or.new(:a, :b)
         hash = { node => node }
diff --git a/test/visitors/test_to_sql.rb b/test/visitors/test_to_sql.rb
index c03d89cfef..d84142e27a 100644
--- a/test/visitors/test_to_sql.rb
+++ b/test/visitors/test_to_sql.rb
@@ -1,4 +1,5 @@
 require 'helper'
+require 'set'
 
 module Arel
   module Visitors
@@ -228,6 +229,10 @@ module Arel
         compile(Nodes.build_quoted({:a => 1}))
       end
 
+      it "should visit_Set" do
+        @visitor.accept Set.new([1, 2])
+      end
+
       it "should visit_BigDecimal" do
         compile Nodes.build_quoted(BigDecimal.new('2.14'))
       end