#
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# Copyright (C) 2017 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import re
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from vts.utils.python.android import api
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from vts.testcases.kernel.api.proc import KernelProcFileTestBase
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class ProcModulesTest(KernelProcFileTestBase.KernelProcFileTestBase):
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'''/proc/modules contains information about loaded kernel modules.'''
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def prepare_test(self, shell, dut):
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api_level = dut.getLaunchApiLevel(strict=False)
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self.require_module = False
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return True
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def parse_contents(self, contents):
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module_present = False
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# MODULE_NAME SIZE REFERENCE_COUNT USER1,USER2, STATE BASE_ADDRESS TAINT_FLAG
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# MODULE_NAME is a string
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# SIZE is an integer
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# REFERENCE_COUNT is an integer or -
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# USER1,USER2, is a list of modules using this module with a trailing comma.
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# If no modules are using this module or if modules cannot be unloaded then
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# - will appear. If this mdoule cannot be unloaded then [permanent] will be
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# the last entry.
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# STATE is either Unloading, Loading, or Live
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# BASE_ADDRESS is a memory address
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# TAINT_FLAG is optional and if present, has characters between ( and )
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test_re = re.compile(r"^\w+ \d+ (\d+|-) (((\w+,)*(\[permanent\],)?)|-) (Unloading|Loading|Live) 0x[0-9a-f]+( \(\w+\))?")
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for line in contents.splitlines():
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if not re.match(test_re, line):
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raise SyntaxError("Malformed entry in /proc/modules: %s" % line)
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else:
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module_present = True
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if self.require_module and not module_present:
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raise SyntaxError("There must be at least one entry in /proc/modules")
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return ''
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def result_correct(self, parse_result):
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return True
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def get_path(self):
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return "/proc/modules"
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