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-rw-r--r--activerecord/test/cases/associations/has_many_through_associations_test.rb9
1 files changed, 9 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 0ac56c6168..6f23a832ef 100644
--- a/activerecord/test/cases/associations/has_many_through_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_through_associations_test.rb
@@ -55,6 +55,15 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
assert_equal preloaded, Marshal.load(Marshal.dump(preloaded))
end
+ def test_preload_with_nested_association
+ posts = Post.preload(:author, :author_favorites).to_a
+
+ assert_no_queries do
+ posts.each(&:author)
+ posts.each(&:author_favorites)
+ end
+ end
+
def test_preload_sti_rhs_class
developers = Developer.includes(:firms).all.to_a
assert_no_queries do