descriptor_test.py 文件源码

def testMakeDescriptorWithUnsignedIntField(self):
    file_descriptor_proto = descriptor_pb2.FileDescriptorProto()
    file_descriptor_proto.name = 'Foo'
    message_type = file_descriptor_proto.message_type.add()
    message_type.name = file_descriptor_proto.name
    enum_type = message_type.enum_type.add()
    enum_type.name = 'FOO'
    enum_type_val = enum_type.value.add()
    enum_type_val.name = 'BAR'
    enum_type_val.number = 3
    field = message_type.field.add()
    field.number = 1
    field.name = 'uint64_field'
    field.label = descriptor.FieldDescriptor.LABEL_REQUIRED
    field.type = descriptor.FieldDescriptor.TYPE_UINT64
    enum_field = message_type.field.add()
    enum_field.number = 2
    enum_field.name = 'bar_field'
    enum_field.label = descriptor.FieldDescriptor.LABEL_REQUIRED
    enum_field.type = descriptor.FieldDescriptor.TYPE_ENUM
    enum_field.type_name = 'Foo.FOO'

    result = descriptor.MakeDescriptor(message_type)
    self.assertEqual(result.fields[0].cpp_type,
                     descriptor.FieldDescriptor.CPPTYPE_UINT64)