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Side by Side Diff: build/android/symbolize_test.py

Issue 2101243005: Add a snapshot of flutter/engine/src/build to our sdk (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: add README.dart Created 4 years, 5 months ago
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1 #!/usr/bin/env python
2 #
3 # Copyright 2013 The Chromium Authors. All rights reserved.
4 # Use of this source code is governed by a BSD-style license that can be
5 # found in the LICENSE file.
6
7 """Unittest for symbolize.py.
8
9 This test uses test libraries generated by the Android g++ toolchain.
10
11 Should things break you can recreate the libraries and get the updated
12 addresses and demangled names by running the following:
13 cd test/symbolize/
14 make
15 nm -gC *.so
16 """
17
18 import StringIO
19 import unittest
20
21 import symbolize
22
23 LIB_A_PATH = '/build/android/tests/symbolize/liba.so'
24 LIB_B_PATH = '/build/android/tests/symbolize/libb.so'
25
26 def RunSymbolizer(text):
27 output = StringIO.StringIO()
28 s = symbolize.Symbolizer(output)
29 s.write(text)
30 return output.getvalue()
31
32
33 class SymbolizerUnittest(unittest.TestCase):
34 def testSingleLineNoMatch(self):
35 # Leading '#' is required.
36 expected = '00 0x00000000 ' + LIB_A_PATH + '+0x00000254\n'
37 self.assertEqual(expected, RunSymbolizer(expected))
38
39 # Whitespace should be exactly one space.
40 expected = '#00 0x00000000 ' + LIB_A_PATH + '+0x00000254\n'
41 self.assertEqual(expected, RunSymbolizer(expected))
42 expected = '#00 0x00000000 ' + LIB_A_PATH + '+0x00000254\n'
43 self.assertEqual(expected, RunSymbolizer(expected))
44
45 # Decimal stack frame numbers are required.
46 expected = '#0a 0x00000000 ' + LIB_A_PATH + '+0x00000254\n'
47 self.assertEqual(expected, RunSymbolizer(expected))
48
49 # Hexadecimal addresses are required.
50 expected = '#00 0xghijklmn ' + LIB_A_PATH + '+0x00000254\n'
51 self.assertEqual(expected, RunSymbolizer(expected))
52 expected = '#00 0x00000000 ' + LIB_A_PATH + '+0xghijklmn\n'
53 self.assertEqual(expected, RunSymbolizer(expected))
54
55 # Addresses must be exactly 8 characters.
56 expected = '#00 0x0000000 ' + LIB_A_PATH + '+0x00000254\n'
57 self.assertEqual(expected, RunSymbolizer(expected))
58 expected = '#00 0x000000000 ' + LIB_A_PATH + '+0x00000254\n'
59 self.assertEqual(expected, RunSymbolizer(expected))
60
61 expected = '#00 0x0000000 ' + LIB_A_PATH + '+0x0000254\n'
62 self.assertEqual(expected, RunSymbolizer(expected))
63 expected = '#00 0x000000000 ' + LIB_A_PATH + '+0x000000254\n'
64 self.assertEqual(expected, RunSymbolizer(expected))
65
66 # Addresses must be prefixed with '0x'.
67 expected = '#00 00000000 ' + LIB_A_PATH + '+0x00000254\n'
68 self.assertEqual(expected, RunSymbolizer(expected))
69 expected = '#00 0x00000000 ' + LIB_A_PATH + '+00000254\n'
70 self.assertEqual(expected, RunSymbolizer(expected))
71
72 # Library name is required.
73 expected = '#00 0x00000000\n'
74 self.assertEqual(expected, RunSymbolizer(expected))
75 expected = '#00 0x00000000 +0x00000254\n'
76 self.assertEqual(expected, RunSymbolizer(expected))
77
78 # Library name must be followed by offset with no spaces around '+'.
79 expected = '#00 0x00000000 ' + LIB_A_PATH + ' +0x00000254\n'
80 self.assertEqual(expected, RunSymbolizer(expected))
81 expected = '#00 0x00000000 ' + LIB_A_PATH + '+ 0x00000254\n'
82 self.assertEqual(expected, RunSymbolizer(expected))
83 expected = '#00 0x00000000 ' + LIB_A_PATH + ' 0x00000254\n'
84 self.assertEqual(expected, RunSymbolizer(expected))
85 expected = '#00 0x00000000 ' + LIB_A_PATH + '+\n'
86 self.assertEqual(expected, RunSymbolizer(expected))
87
88 def testSingleLine(self):
89 text = '#00 0x00000000 ' + LIB_A_PATH + '+0x00000254\n'
90 expected = '#00 0x00000000 A::Bar(char const*)\n'
91 actual = RunSymbolizer(text)
92 self.assertEqual(expected, actual)
93
94 def testSingleLineWithSurroundingText(self):
95 text = 'LEFT #00 0x00000000 ' + LIB_A_PATH + '+0x00000254 RIGHT\n'
96 expected = 'LEFT #00 0x00000000 A::Bar(char const*) RIGHT\n'
97 actual = RunSymbolizer(text)
98 self.assertEqual(expected, actual)
99
100 def testMultipleLinesSameLibrary(self):
101 text = '#00 0x00000000 ' + LIB_A_PATH + '+0x00000254\n'
102 text += '#01 0x00000000 ' + LIB_A_PATH + '+0x00000234\n'
103 expected = '#00 0x00000000 A::Bar(char const*)\n'
104 expected += '#01 0x00000000 A::Foo(int)\n'
105 actual = RunSymbolizer(text)
106 self.assertEqual(expected, actual)
107
108 def testMultipleLinesDifferentLibrary(self):
109 text = '#00 0x00000000 ' + LIB_A_PATH + '+0x00000254\n'
110 text += '#01 0x00000000 ' + LIB_B_PATH + '+0x00000234\n'
111 expected = '#00 0x00000000 A::Bar(char const*)\n'
112 expected += '#01 0x00000000 B::Baz(float)\n'
113 actual = RunSymbolizer(text)
114 self.assertEqual(expected, actual)
115
116 def testMultipleLinesWithSurroundingTextEverywhere(self):
117 text = 'TOP\n'
118 text += 'LEFT #00 0x00000000 ' + LIB_A_PATH + '+0x00000254 RIGHT\n'
119 text += 'LEFT #01 0x00000000 ' + LIB_B_PATH + '+0x00000234 RIGHT\n'
120 text += 'BOTTOM\n'
121 expected = 'TOP\n'
122 expected += 'LEFT #00 0x00000000 A::Bar(char const*) RIGHT\n'
123 expected += 'LEFT #01 0x00000000 B::Baz(float) RIGHT\n'
124 expected += 'BOTTOM\n'
125 actual = RunSymbolizer(text)
126 self.assertEqual(expected, actual)
127
128
129 if __name__ == '__main__':
130 unittest.main()
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