def test_nesting(self):
scope = type_info.Scope(None)
scope.setval('foo', '')
child = type_info.Scope(scope)
self.assertTrue(child.hasval('foo'))
self.assertTrue(scope.hasval('foo'))
child.setval('bar', '')
self.assertTrue(child.hasval('bar'))
self.assertFalse(scope.hasval('bar'))
def test_basic(self):
scope = type_info.Scope(None)
self.assertFalse(scope.hasval('foo'))
scope.setval('foo', 'bar')
self.assertTrue(scope.hasval('foo'))
self.assertFalse(scope.hasval('baz'))
