2 files changed, 43 insertions, 4 deletions
diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb
index 26f388ca46..c8efabed30 100644
--- a/activerecord/test/cases/base_test.rb
+++ b/activerecord/test/cases/base_test.rb
@@ -1443,10 +1443,6 @@ class BasicsTest < ActiveRecord::TestCase
     ActiveRecord::Base.logger = original_logger
   end
 
-  def test_dup
-    assert !Minimalistic.new.freeze.dup.frozen?
-  end
-
   def test_compute_type_success
     assert_equal Author, ActiveRecord::Base.send(:compute_type, 'Author')
   end
diff --git a/activerecord/test/cases/duplication_test.rb b/activerecord/test/cases/duplication_test.rb
new file mode 100644
index 0000000000..610894a03e
--- /dev/null
+++ b/activerecord/test/cases/duplication_test.rb
@@ -0,0 +1,43 @@
+require "cases/helper"
+require 'models/topic'
+
+module ActiveRecord
+  class DuplicationTest < ActiveRecord::TestCase
+    fixtures :topics
+
+    def test_dup
+      assert !Minimalistic.new.freeze.dup.frozen?
+    end
+
+    def test_dup_not_persisted
+      topic = Topic.first
+      duped = topic.dup
+
+      assert !duped.persisted?, 'topic not persisted'
+      assert duped.new_record?, 'topic is new'
+    end
+
+    def test_dup_has_no_id
+      topic = Topic.first
+      duped = topic.dup
+      assert_nil duped.id
+    end
+
+    def test_clone_persisted
+      topic = Topic.first
+      cloned = topic.clone
+      assert cloned.persisted?, 'topic persisted'
+      assert !cloned.new_record?, 'topic is not new'
+    end
+
+    def test_clone_keeps_frozen
+      topic = Topic.first
+      topic.freeze
+
+      cloned = topic.clone
+      assert cloned.persisted?, 'topic persisted'
+      assert !cloned.new_record?, 'topic is not new'
+      assert cloned.frozen?, 'topic is frozen'
+    end
+  end
+end