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#!/usr/bin/env python
#
# Copyright (C) 2018 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
"""Does test_ldflags_to_sanitizers stuff."""
from __future__ import absolute_import
import unittest
try:
from StringIO import StringIO
except ImportError:
from io import StringIO
from build.ldflags_to_sanitizers import argv_to_module_arg_lists
from build.ldflags_to_sanitizers import main as ldflags_main
from build.ldflags_to_sanitizers import sanitizers_from_args
class LdflagsToSanitizersTest(unittest.TestCase):
def test_sanitizers_from_args_no_sanitize_args(self):
"""Tests that we don't identify sanitizers when there are none."""
self.assertListEqual([], sanitizers_from_args([]))
self.assertListEqual([], sanitizers_from_args(['foo', 'bar']))
def test_sanitizers_from_args_enabled_sanitizers(self):
"""Tests that we find enabled sanitizers."""
self.assertListEqual(
['address'], sanitizers_from_args(['-fsanitize=address']))
self.assertListEqual(
['address'], sanitizers_from_args(['-fsanitize=address', 'foo']))
self.assertListEqual(
['address', 'undefined'],
sanitizers_from_args(
['-fsanitize=address', '-fsanitize=undefined']))
self.assertListEqual(
['address', 'undefined'],
sanitizers_from_args(['-fsanitize=address,undefined']))
self.assertListEqual(
['address', 'undefined'],
sanitizers_from_args(['-fsanitize=address,undefined', 'foo']))
def test_sanitizers_from_args_disabled_sanitizers(self):
"""Tests that we don't find disabled sanitizers."""
self.assertListEqual([], sanitizers_from_args(
['-fno-sanitize=address']))
self.assertListEqual([], sanitizers_from_args(
['-fno-sanitize=address', 'foo']))
self.assertListEqual([], sanitizers_from_args(
['-fno-sanitize=address', '-fno-sanitize=undefined']))
self.assertListEqual([], sanitizers_from_args(
['-fno-sanitize=address,undefined']))
self.assertListEqual([], sanitizers_from_args(
['-fno-sanitize=address,undefined', 'foo']))
def test_sanitizers_from_args_enabled_disabled_sanitizers(self):
"""Tests that we correctly identify only enabled sanitizers."""
self.assertListEqual([], sanitizers_from_args(
['-fsanitize=address', '-fno-sanitize=address']))
self.assertListEqual(['address'], sanitizers_from_args(
['-fsanitize=address', '-fno-sanitize=address',
'-fsanitize=address']))
self.assertListEqual([], sanitizers_from_args(
['-fsanitize=address', '-fno-sanitize=address',
'-fsanitize=address', '-fno-sanitize=address']))
self.assertListEqual(['undefined'], sanitizers_from_args(
['-fsanitize=address,undefined', '-fno-sanitize=address']))
self.assertListEqual(['undefined'], sanitizers_from_args(
['-fsanitize=address', '-fsanitize=undefined',
'-fno-sanitize=address']))
def test_argv_to_module_arg_lists(self):
"""Tests that modules' arguments are properly identified."""
self.assertTupleEqual(([], []), argv_to_module_arg_lists([]))
self.assertTupleEqual((['foo'], []), argv_to_module_arg_lists(['foo']))
self.assertTupleEqual(
([], [['foo', 'bar'], ['baz']]),
argv_to_module_arg_lists(
['--module', 'foo', 'bar', '--module', 'baz']))
self.assertTupleEqual(
(['foo', 'bar'], [['baz']]),
argv_to_module_arg_lists(['foo', 'bar', '--module', 'baz']))
def test_main(self):
"""Test that the program itself works."""
sio = StringIO()
ldflags_main(
['ldflags_to_sanitizers.py', '-fsanitize=undefined', '--module',
'-fsanitize=address,thread', '-fno-sanitize=thread',
'--module', '-fsanitize=undefined'], sio)
self.assertEqual('address undefined', sio.getvalue().strip())
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