1 #!/usr/bin/python 2 # 3 # Copyright (c) 2010 The Chromium Authors. All rights reserved. 4 # Use of this source code is governed by a BSD-style license that can be 5 # found in the LICENSE file. 6 7 import logging, os 8 9 from autotest_lib.client.bin import test, utils 10 from autotest_lib.client.common_lib import error 11 12 13 class platform_Nvram(test.test): 14 """ 15 Test /dev/nvram 16 """ 17 version = 1 18 19 def run_once(self): 20 nvram_path = '/dev/nvram' 21 if not os.path.exists(nvram_path): 22 raise error.TestFail('%s does not exist.' % nvram_path) 23 if not open(nvram_path, 'rb').read(1): 24 raise error.TestFail('cannot read from %s.' % nvram_path) 25
