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-rw-r--r--activerecord/test/cases/base_test.rb25
1 files changed, 25 insertions, 0 deletions
diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb
index f5c139e85f..3ab6973549 100644
--- a/activerecord/test/cases/base_test.rb
+++ b/activerecord/test/cases/base_test.rb
@@ -187,6 +187,31 @@ class BasicsTest < ActiveRecord::TestCase
end
end
+ def test_previously_changed
+ topic = Topic.find :first
+ topic.title = '<3<3<3'
+ assert_equal({}, topic.previous_changes)
+
+ topic.save!
+ expected = ["The First Topic", "<3<3<3"]
+ assert_equal(expected, topic.previous_changes['title'])
+ end
+
+ def test_previously_changed_dup
+ topic = Topic.find :first
+ topic.title = '<3<3<3'
+ topic.save!
+
+ t2 = topic.dup
+
+ assert_equal(topic.previous_changes, t2.previous_changes)
+
+ topic.title = "lolwut"
+ topic.save!
+
+ assert_not_equal(topic.previous_changes, t2.previous_changes)
+ end
+
def test_preserving_time_objects
assert_kind_of(
Time, Topic.find(1).bonus_time,