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-rw-r--r--activerecord/test/cases/dirty_test.rb12
1 files changed, 12 insertions, 0 deletions
diff --git a/activerecord/test/cases/dirty_test.rb b/activerecord/test/cases/dirty_test.rb
index 39d38c4e1e..10cdbdc622 100644
--- a/activerecord/test/cases/dirty_test.rb
+++ b/activerecord/test/cases/dirty_test.rb
@@ -68,6 +68,18 @@ class DirtyTest < ActiveRecord::TestCase
end
end
+ def test_nullable_integer_zero_to_string_zero_not_marked_as_changed
+ pirate = Pirate.new
+ pirate.parrot_id = 0
+ pirate.catchphrase = 'arrr'
+ assert pirate.save!
+
+ assert !pirate.changed?
+
+ pirate.parrot_id = '0'
+ assert !pirate.changed?
+ end
+
def test_zero_to_blank_marked_as_changed
pirate = Pirate.new
pirate.catchphrase = "Yarrrr, me hearties"