blob: 714d102ff20e20656217f9193b79b2e675e64245 [file] [log] [blame]
#!/usr/bin/python
# Copyright 2015 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import unittest
import cyglog_to_orderfile
import symbol_extractor
class TestCyglogToOrderfile(unittest.TestCase):
def testParseLogLines(self):
lines = """5086e000-52e92000 r-xp 00000000 b3:02 51276 libchromeview.so
secs usecs pid:threadid func
START
1314897086 795828 3587:1074648168 0x509e105c
1314897086 795874 3587:1074648168 0x509e0eb4
END""".split('\n')
offsets = cyglog_to_orderfile._ParseLogLines(lines)
self.assertListEqual(
offsets, [0x509e105c - 0x5086e000, 0x509e0eb4 - 0x5086e000])
def testFindSymbolInfosAtOffsetExactMatch(self):
offset_map = {0x10: [symbol_extractor.SymbolInfo(
name='Symbol', offset=0x10, size=0x13, section='.text')]}
functions = cyglog_to_orderfile._FindSymbolInfosAtOffset(offset_map, 0x10)
self.assertEquals(len(functions), 1)
self.assertEquals(functions[0], offset_map[0x10][0])
def testFindSymbolInfosAtOffsetInexactMatch(self):
offset_map = {0x10: [symbol_extractor.SymbolInfo(
name='Symbol', offset=0x10, size=0x13, section='.text')]}
functions = cyglog_to_orderfile._FindSymbolInfosAtOffset(offset_map, 0x11)
self.assertEquals(len(functions), 1)
self.assertEquals(functions[0], offset_map[0x10][0])
def testFindSymbolInfosAtOffsetNoMatch(self):
offset_map = {0x10: [symbol_extractor.SymbolInfo(
name='Symbol', offset=0x10, size=0x13, section='.text')]}
self.assertRaises(
cyglog_to_orderfile.SymbolNotFoundException,
cyglog_to_orderfile._FindSymbolInfosAtOffset, offset_map, 0x12)
def testWarnAboutDuplicates(self):
offsets = [0x1, 0x2, 0x3]
self.assertTrue(cyglog_to_orderfile._WarnAboutDuplicates(offsets))
offsets.append(0x1)
self.assertFalse(cyglog_to_orderfile._WarnAboutDuplicates(offsets))
def testOutputOrderfile(self):
class FakeOutputFile(object):
def __init__(self):
self.writes = []
def write(self, data):
self.writes.append(data)
# One symbol not matched, one with an odd address, one regularly matched
# And two symbols aliased to the same address
offsets = [0x12, 0x17]
offset_to_symbol_infos = {
0x10:[symbol_extractor.SymbolInfo(
name='Symbol', offset=0x10, size=0x13, section='dummy')],
0x12:[symbol_extractor.SymbolInfo(
name='Symbol2', offset=0x12, size=0x13, section='dummy')],
0x16:[symbol_extractor.SymbolInfo(
name='Symbol3', offset=0x16, size=0x13, section='dummy'),
symbol_extractor.SymbolInfo(
name='Symbol32', offset=0x16, size=0x13, section='dummy'),]}
symbol_to_section_map = {
'Symbol': '.text.Symbol',
'Symbol2': '.text.Symbol2',
'Symbol3': '.text.Symbol3',
'Symbol32': '.text.Symbol32'}
fake_output = FakeOutputFile()
cyglog_to_orderfile._OutputOrderfile(
offsets, offset_to_symbol_infos, symbol_to_section_map, fake_output)
expected = """.text.Symbol2
.text.Symbol3
.text.Symbol32
"""
self.assertEquals(expected, "".join(fake_output.writes))
if __name__ == '__main__':
unittest.main()