1 files changed, 38 insertions, 0 deletions
diff --git a/test/nodes/test_select_core.rb b/test/nodes/test_select_core.rb
index 4382c79865..e4ed06b853 100644
--- a/test/nodes/test_select_core.rb
+++ b/test/nodes/test_select_core.rb
@@ -26,6 +26,44 @@ module Arel
         viz = Arel::Visitors::ToSql.new Table.engine.connection_pool
         assert_match 'DISTINCT', viz.accept(core)
       end
+
+      def test_equality_with_same_ivars
+        core1 = SelectCore.new
+        core1.froms       = %w[a b c]
+        core1.projections = %w[d e f]
+        core1.wheres      = %w[g h i]
+        core1.groups      = %w[j k l]
+        core1.windows     = %w[m n o]
+        core1.having      = %w[p q r]
+        core2 = SelectCore.new
+        core2.froms       = %w[a b c]
+        core2.projections = %w[d e f]
+        core2.wheres      = %w[g h i]
+        core2.groups      = %w[j k l]
+        core2.windows     = %w[m n o]
+        core2.having      = %w[p q r]
+        array = [core1, core2]
+        assert_equal 1, array.uniq.size
+      end
+
+      def test_inequality_with_different_ivars
+        core1 = SelectCore.new
+        core1.froms       = %w[a b c]
+        core1.projections = %w[d e f]
+        core1.wheres      = %w[g h i]
+        core1.groups      = %w[j k l]
+        core1.windows     = %w[m n o]
+        core1.having      = %w[p q r]
+        core2 = SelectCore.new
+        core2.froms       = %w[a b c]
+        core2.projections = %w[d e f]
+        core2.wheres      = %w[g h i]
+        core2.groups      = %w[j k l]
+        core2.windows     = %w[m n o]
+        core2.having      = %w[l o l]
+        array = [core1, core2]
+        assert_equal 2, array.uniq.size
+      end
     end
   end
 end