diff options
Diffstat (limited to 'activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb')
| -rw-r--r-- | activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb b/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb index 1ed0522e53..f71b122ff0 100644 --- a/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb +++ b/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb @@ -299,6 +299,17 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase assert_equal 3, projects(:active_record, :reload).developers.size end + def test_uniq_option_prevents_duplicate_push + project = projects(:active_record) + project.developers << developers(:jamis) + project.developers << developers(:david) + assert_equal 3, project.developers.size + + project.developers << developers(:david) + project.developers << developers(:jamis) + assert_equal 3, project.developers.size + end + def test_deleting david = Developer.find(1) active_record = Project.find(1) |