1 files changed, 45 insertions, 0 deletions
diff --git a/activerecord/test/cases/arel/nodes/descending_test.rb b/activerecord/test/cases/arel/nodes/descending_test.rb
new file mode 100644
index 0000000000..5fe0ba62b0
--- /dev/null
+++ b/activerecord/test/cases/arel/nodes/descending_test.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+require_relative '../helper'
+
+module Arel
+  module Nodes
+    class TestDescending < Arel::Test
+      def test_construct
+        descending = Descending.new 'zomg'
+        assert_equal 'zomg', descending.expr
+      end
+
+      def test_reverse
+        descending = Descending.new 'zomg'
+        ascending = descending.reverse
+        assert_kind_of Ascending, ascending
+        assert_equal descending.expr, ascending.expr
+      end
+
+      def test_direction
+        descending = Descending.new 'zomg'
+        assert_equal :desc, descending.direction
+      end
+
+      def test_ascending?
+        descending = Descending.new 'zomg'
+        assert !descending.ascending?
+      end
+
+      def test_descending?
+        descending = Descending.new 'zomg'
+        assert descending.descending?
+      end
+
+      def test_equality_with_same_ivars
+        array = [Descending.new('zomg'), Descending.new('zomg')]
+        assert_equal 1, array.uniq.size
+      end
+
+      def test_inequality_with_different_ivars
+        array = [Descending.new('zomg'), Descending.new('zomg!')]
+        assert_equal 2, array.uniq.size
+      end
+    end
+  end
+end