1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/has_many_through_associations_test.rb b/activerecord/test/cases/associations/has_many_through_associations_test.rb
index 46fa36d7dd..d5573b6d02 100644
--- a/activerecord/test/cases/associations/has_many_through_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_through_associations_test.rb
@@ -1289,6 +1289,10 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
     assert_equal authors(:david), Author.joins(:comments_for_first_author).take
   end
 
+  def test_has_many_through_with_left_joined_same_table_with_through_table
+    assert_equal [comments(:eager_other_comment1)], authors(:mary).comments.left_joins(:post)
+  end
+
   def test_has_many_through_with_unscope_should_affect_to_through_scope
     assert_equal [comments(:eager_other_comment1)], authors(:mary).unordered_comments
   end