2 files changed, 10 insertions, 2 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/array_test.rb b/activerecord/test/cases/adapters/postgresql/array_test.rb
index ff553c3f1a..fa7bebf08b 100644
--- a/activerecord/test/cases/adapters/postgresql/array_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/array_test.rb
@@ -254,6 +254,15 @@ class PostgresqlArrayTest < ActiveRecord::TestCase
     end
   end
 
+  def test_assigning_non_array_value
+    record = PgArray.new(tags: "not-an-array")
+    assert_equal "not-an-array", record.tags
+    e = assert_raises(ActiveRecord::StatementInvalid) do
+      record.save!
+    end
+    assert_instance_of PG::InvalidTextRepresentation, e.original_exception
+  end
+
   private
   def assert_cycle field, array
     # test creation
diff --git a/activerecord/test/cases/serialized_attribute_test.rb b/activerecord/test/cases/serialized_attribute_test.rb
index c5fb491b10..46d4da53df 100644
--- a/activerecord/test/cases/serialized_attribute_test.rb
+++ b/activerecord/test/cases/serialized_attribute_test.rb
@@ -140,11 +140,10 @@ class SerializedAttributeTest < ActiveRecord::TestCase
     assert_equal 1, Topic.where(:content => nil).count
   end
 
-  def test_serialized_attribute_should_raise_exception_on_save_with_wrong_type
+  def test_serialized_attribute_should_raise_exception_on_assignment_with_wrong_type
     Topic.serialize(:content, Hash)
     assert_raise(ActiveRecord::SerializationTypeMismatch) do
       topic = Topic.new(content: 'string')
-      topic.save
     end
   end