old_contents: from . import base
  
  
  class TestType(base.SchemaTestCase):
  
      def test_no_schema(self):
          schema = {}
          self.add_schema(schema)
          self.assertResult(schema)
  
      def test_single_type(self):
          schema = {'type': 'string'}
          self.add_schema(schema)
          self.assertResult(schema)
  
      def test_single_type_unicode(self):
          schema = {u'type': u'string'}
          self.add_schema(schema)
          self.assertResult(schema)
  
      def test_multi_type(self):
          schema = {'type': ['boolean', 'null', 'number', 'string']}
          self.add_schema(schema)
          self.assertResult(schema)
  
  
  class TestPreserveKeys(base.SchemaTestCase):
  
      def test_preserves_existing_keys(self):
          schema = {'type': 'number', 'value': 5}
          self.add_schema(schema)
          self.assertResult(schema)
  
new_contents: from . import base
  
  
  class TestType(base.SchemaTestCase):
  
      def test_no_schema(self):
          schema = {}
          self.add_schema(schema)
          self.assertResult(schema)
  
      def test_single_type(self):
          schema = {'type': 'string'}
          self.add_schema(schema)
          self.assertResult(schema)
  
      def test_single_type_unicode(self):
          schema = {u'type': u'string'}
          self.add_schema(schema)
          self.assertResult(schema)
  
      def test_multi_type(self):
          schema = {'type': ['boolean', 'null', 'number', 'string']}
          self.add_schema(schema)
          self.assertResult(schema)
  
  
  class TestPreserveKeys(base.SchemaTestCase):
  
      def test_preserves_existing_keys(self):
          schema = {'type': 'number', 'value': 5}
          self.add_schema(schema)
          self.assertResult(schema)
  
  
  class TestList(base.SchemaTestCase):
  
      def setUp(self):
          base.SchemaTestCase.setUp(self)
          self.set_schema_options(merge_arrays=True)
  
      def test_add_items(self):
          schema = {
              'type': 'array',
              'items': {'type': 'string'}}
          self.add_schema(schema)
          self.assertResult(schema)
  
  
  class TestTuple(base.SchemaTestCase):
  
      def setUp(self):
          base.SchemaTestCase.setUp(self)
          self.set_schema_options(merge_arrays=False)
  
      def test_add_items(self):
          schema = {
              'type': 'array',
              'items': [{'type': 'string'}, {'type': 'null'}]}
          self.add_schema(schema)
          self.assertResult(schema)
  
subject: add test for issue #14