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# Copyright 2014 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 mergetraces
class GroupByProcessAndThreadIdTestBasic(unittest.TestCase):
def runTest(self):
# (sec, usec, 'pid:tid', function address).
input_trace = [
(100, 10, '2000:2001', 0x5),
(100, 11, '2000:2001', 0x3),
(100, 13, '2000:1999', 0x8),
(100, 14, '2000:2000', 0x7),
(120, 13, '2001:2003', 0x9),
(150, 12, '2001:2004', 0x6),
(180, 11, '2000:2000', 0x1),
]
# Functions should be grouped by thread-id and PIDs should not be
# interleaved.
expected_trace = [
(100, 10, '2000:2001', 0x5),
(100, 11, '2000:2001', 0x3),
(100, 13, '2000:1999', 0x8),
(100, 14, '2000:2000', 0x7),
(180, 11, '2000:2000', 0x1),
(120, 13, '2001:2003', 0x9),
(150, 12, '2001:2004', 0x6),
]
grouped_trace = mergetraces.GroupByProcessAndThreadId(input_trace)
self.assertEqual(grouped_trace, expected_trace)
class GroupByProcessAndThreadIdFailsWithNonUniqueTIDs(unittest.TestCase):
def runTest(self):
# (sec, usec, 'pid:tid', function address).
input_trace = [
(100, 10, '1999:2001', 0x5),
(100, 10, '1988:2001', 0x5),
]
try:
mergetraces.GroupByProcessAndThreadId(input_trace)
except Exception:
return
self.fail('Multiple processes should not have a same thread-ID.')
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