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-rw-r--r--activerecord/test/cases/relations_test.rb7
1 files changed, 7 insertions, 0 deletions
diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb
index 8256762f96..7521f0573a 100644
--- a/activerecord/test/cases/relations_test.rb
+++ b/activerecord/test/cases/relations_test.rb
@@ -1541,6 +1541,13 @@ class RelationTest < ActiveRecord::TestCase
assert_equal 'David', topic2.reload.author_name
end
+ def test_update_on_relation_passing_active_record_object_is_deprecated
+ topic = Topic.create!(title: 'Foo', author_name: nil)
+ assert_deprecated(/update/) do
+ Topic.where(id: topic.id).update(topic, title: 'Bar')
+ end
+ end
+
def test_distinct
tag1 = Tag.create(:name => 'Foo')
tag2 = Tag.create(:name => 'Foo')