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147 lines
6.5 KiB
Python
Executable File
147 lines
6.5 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2018 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import ast
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import os
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import unittest
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import bcanalyzer
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import concurrent
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_SCRIPT_DIR = os.path.dirname(__file__)
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_TEST_DATA_DIR = os.path.join(_SCRIPT_DIR, 'testdata')
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_TEST_SOURCE_DIR = os.path.join(_TEST_DATA_DIR, 'mock_source_directory')
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_TEST_OUTPUT_DIR = os.path.join(_TEST_SOURCE_DIR, 'out', 'Release')
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_TEST_TOOL_PREFIX = os.path.join(
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os.path.abspath(_TEST_DATA_DIR), 'mock_toolchain', 'llvm-')
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def _MakeString(bits, toks):
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"""Creates a multi-byte string from ASCII strings and/or ASCII codes.
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Args:
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bits: Number of bits per character, must be in {8, 16, 32}.
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toks: A list of tokens, each of which is a ASCII strings or an integer
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representing a character's ASCII value (e.g., 0 for terminating null).
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Returns: A flattened string of the |bits|-bit string formed by |bit|-extending
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the result of concatanating tokens.
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"""
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s = ''.join(tok if isinstance(tok, basestring) else chr(tok) for tok in toks)
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padding = '\x00' * ((bits - 8) / 8)
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return ''.join(ch + padding for ch in s)
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class BcAnalyzerTest(unittest.TestCase):
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def testParseTag(self):
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# Valid cases.
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self.assertEquals((bcanalyzer.OPENING_TAG, 'FOO', 4),
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bcanalyzer.ParseTag('<FOO> trailing'))
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self.assertEquals((bcanalyzer.OPENING_TAG, 'BAR', 4),
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bcanalyzer.ParseTag('<BAR op0=3 op1=4>'))
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self.assertEquals((bcanalyzer.CLOSING_TAG, 'FOO', 5),
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bcanalyzer.ParseTag('</FOO>'))
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self.assertEquals((bcanalyzer.SELF_CLOSING_TAG, 'FOO', 4),
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bcanalyzer.ParseTag('<FOO/>'))
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self.assertEquals((bcanalyzer.SELF_CLOSING_TAG, 'TOMATO2', 8),
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bcanalyzer.ParseTag('<TOMATO2 />'))
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# Not self-closing: For simplicity we requires '/>' with space.
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self.assertEquals((bcanalyzer.OPENING_TAG, 'TOMATO2', 8),
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bcanalyzer.ParseTag('<TOMATO2 / >'))
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self.assertEquals((bcanalyzer.SELF_CLOSING_TAG, 'BAR', 4),
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bcanalyzer.ParseTag('<BAR op0=3 op1=4/>'))
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self.assertEquals((bcanalyzer.OPENING_TAG, 'FOO', 4),
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bcanalyzer.ParseTag('<FOO> / trailing'))
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self.assertEquals((bcanalyzer.SELF_CLOSING_TAG, 'STRUCT_NAME', 12),
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bcanalyzer.ParseTag('<STRUCT_NAME abbrevid=7 op0=0/>'))
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self.assertEquals((bcanalyzer.SELF_CLOSING_TAG, 'UnkownCode41', 13),
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bcanalyzer.ParseTag('<UnkownCode41 op0=0 op1=4 op2=5/>'))
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self.assertEquals((bcanalyzer.CLOSING_TAG, 'FOO_BAR', 9),
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bcanalyzer.ParseTag('</FOO_BAR> \'/>trailing\''))
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self.assertEquals((bcanalyzer.OPENING_TAG, 'A', 2),
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bcanalyzer.ParseTag('<A>'))
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self.assertEquals((bcanalyzer.OPENING_TAG, 'lower', 6),
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bcanalyzer.ParseTag('<lower >'))
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# An invalid tag (all numbers), but we allow for simplicity.
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self.assertEquals((bcanalyzer.OPENING_TAG, '123', 4),
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bcanalyzer.ParseTag('<123>'))
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# Abominations that are allowed for simplicity.
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self.assertEquals((bcanalyzer.SELF_CLOSING_TAG, 'FOO', 5),
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bcanalyzer.ParseTag('</FOO/>'))
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self.assertEquals((bcanalyzer.SELF_CLOSING_TAG, 'FOO', 4),
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bcanalyzer.ParseTag('<FOO///////>'))
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self.assertEquals((bcanalyzer.OPENING_TAG, 'FOO', 4),
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bcanalyzer.ParseTag('<FOO>>>>>'))
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# Invalid cases.
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None3 = (None, None, None)
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self.assertEquals(None3, bcanalyzer.ParseTag(''))
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self.assertEquals(None3, bcanalyzer.ParseTag(' '))
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self.assertEquals(None3, bcanalyzer.ParseTag('<>'))
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self.assertEquals(None3, bcanalyzer.ParseTag('<> '))
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self.assertEquals(None3, bcanalyzer.ParseTag('< >'))
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self.assertEquals(None3, bcanalyzer.ParseTag('<<FOO>'))
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self.assertEquals(None3, bcanalyzer.ParseTag('< FOO>'))
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self.assertEquals(None3, bcanalyzer.ParseTag('<//FOO>'))
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self.assertEquals(None3, bcanalyzer.ParseTag('</ FOO>'))
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self.assertEquals(None3, bcanalyzer.ParseTag('< FOO />'))
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self.assertEquals(None3, bcanalyzer.ParseTag('<FOO<>'))
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self.assertEquals(None3, bcanalyzer.ParseTag('<NOEND'))
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self.assertEquals(None3, bcanalyzer.ParseTag('some text'))
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self.assertEquals(None3, bcanalyzer.ParseTag(' <UNTRIMMED>'))
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self.assertEquals(None3, bcanalyzer.ParseTag('<AAA>'))
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def testAnalyzer(self):
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# Save global param in bcanalyzer.
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saved_char_width_limit = bcanalyzer._CHAR_WIDTH_LIMIT
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for width_limit, include_4byte_strings in [(2, False), (4, True)]:
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# Tweak global param in bcanalyzer.
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bcanalyzer._CHAR_WIDTH_LIMIT = width_limit
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encoded_results = bcanalyzer.RunBcAnalyzerOnIntermediates(
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['test.o'], _TEST_TOOL_PREFIX, _TEST_OUTPUT_DIR)
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results = concurrent.DecodeDictOfLists(
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encoded_results, value_transform=ast.literal_eval)
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self.assertEquals(['test.o'], results.keys())
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str_list = results['test.o']
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# See mock_bcanalyzer.py for details on the C++ test file.
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expected = []
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expected.append(_MakeString(8, ['Test1a', 0]))
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expected.append(_MakeString(8, ['Test1b', 0]))
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expected.append(_MakeString(8, ['Test2a', 0]))
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expected.append(_MakeString(8, ['Test2b', 0]))
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expected.append(_MakeString(16, ['Test3a', 0]))
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expected.append(_MakeString(16, ['Test3b', 0]))
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if include_4byte_strings:
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expected.append(_MakeString(32, ['Test4a', 0]))
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expected.append(_MakeString(32, ['Test4b', 0]))
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expected.append(_MakeString(8, [1, 0, 0, 1, 1, 0]))
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expected.append(_MakeString(8, [1, 0, 0, 1, 1, 1]))
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expected.append(_MakeString(8, ['Test5a', 0]))
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expected.append(_MakeString(8, ['Test5b', 1]))
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expected.append(_MakeString(16, ['Test6a', 0]))
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expected.append(_MakeString(16, ['Test6b', 1]))
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if include_4byte_strings:
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expected.append(_MakeString(32, ['Test7a', 0]))
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expected.append(_MakeString(32, ['Test7b', 1]))
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expected.append(_MakeString(8, ['Test8a', 0]))
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expected.append(_MakeString(8, ['Test8b', 0]))
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# Exclude |{u8a, u8b, u16a, u16b, u32a, u32b, u64a, u64b}|.
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# Exclude |{s8empty, s16empty, s32empty}|.
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expected.append(_MakeString(8, ['1a', 0]))
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# Exclude |zeros|, which should be in .bss section.
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self.assertEquals(expected, str_list)
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# Restore globa param in bcanalyzer.
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bcanalyzer._CHAR_WIDTH_LIMIT = saved_char_width_limit
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if __name__ == '__main__':
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unittest.main()
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