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-rw-r--r--activemodel/test/cases/errors_test.rb7
1 files changed, 7 insertions, 0 deletions
diff --git a/activemodel/test/cases/errors_test.rb b/activemodel/test/cases/errors_test.rb
index a5ac055033..26ba6ba4fb 100644
--- a/activemodel/test/cases/errors_test.rb
+++ b/activemodel/test/cases/errors_test.rb
@@ -128,6 +128,13 @@ class ErrorsTest < ActiveModel::TestCase
assert !person.errors.include?(:foo)
end
+ test "include? does not add a key to messages hash" do
+ person = Person.new
+ person.errors.include?(:foo)
+
+ assert_not person.errors.messages.key?(:foo)
+ end
+
test "adding errors using conditionals with Person#validate!" do
person = Person.new
person.validate!