Add a first test for tools/find_runtime_symbols.

tools/find_runtime_symbols/tests/proc_maps_test.py

Index: tools/find_runtime_symbols/tests/proc_maps_test.py
diff --git a/tools/find_runtime_symbols/tests/proc_maps_test.py b/tools/find_runtime_symbols/tests/proc_maps_test.py
new file mode 100755
index 0000000000000000000000000000000000000000..502f252c55a547fb2b266839f2e1f686dc0fc1eb
--- /dev/null
+++ b/tools/find_runtime_symbols/tests/proc_maps_test.py
@@ -0,0 +1,110 @@
+#!/usr/bin/env python
+# Copyright (c) 2012 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 cStringIO
+import logging
+import os
+import sys
+import unittest
+
+ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+sys.path.insert(0, ROOT_DIR)
+
+from proc_maps import ProcMaps
+
+
+class ProcMapsTest(unittest.TestCase):
+  _TEST_PROCMAPS = '\n'.join([
+      '00000000-00001000 r--p 00000000 fc:00 0',
+      '0080b000-0080c000 r-xp 0020b000 fc:00 2231329'
+          '                            /usr/bin/some',
+      '0080c000-0080f000 ---p 0020c000 fc:00 2231329'
+          '                            /usr/bin/some',
+      '0100a000-0100c000 r-xp 0120a000 fc:00 22381'
+          '                            /usr/bin/chrome',
+      '0100c000-0100f000 ---p 0120c000 fc:00 22381'
+          '                            /usr/bin/chrome',
+      '0237d000-02a9b000 rw-p 00000000 00:00 0'
+          '                                  [heap]',
+      '7fb920e6d000-7fb920e85000 r-xp 00000000 fc:00 263482'
+          '                     /lib/x86_64-linux-gnu/libpthread-2.15.so',
+      '7fb920e85000-7fb921084000 ---p 00018000 fc:00 263482'
+          '                     /lib/x86_64-linux-gnu/libpthread-2.15.so',
+      '7fb9225f4000-7fb922654000 rw-s 00000000 00:04 19660808'
+          '                   /SYSV00000000 (deleted)',
+      'ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0'
+          '                  [vsyscall]',
+      ])
+
+  _EXPECTED = [
+      (0x0, 0x1000, 'r', '-', '-', 'p', 0x0, 'fc', '00', 0, ''),
+      (0x80b000, 0x80c000, 'r', '-', 'x', 'p', 0x20b000,
+       'fc', '00', 2231329, '/usr/bin/some'),
+      (0x80c000, 0x80f000, '-', '-', '-', 'p', 0x20c000,
+       'fc', '00', 2231329, '/usr/bin/some'),
+      (0x100a000, 0x100c000, 'r', '-', 'x', 'p', 0x120a000,
+       'fc', '00', 22381, '/usr/bin/chrome'),
+      (0x100c000, 0x100f000, '-', '-', '-', 'p', 0x120c000,
+       'fc', '00', 22381, '/usr/bin/chrome'),
+      (0x237d000, 0x2a9b000, 'r', 'w', '-', 'p', 0x0,
+       '00', '00', 0, '[heap]'),
+      (0x7fb920e6d000, 0x7fb920e85000, 'r', '-', 'x', 'p', 0x0,
+       'fc', '00', 263482, '/lib/x86_64-linux-gnu/libpthread-2.15.so'),
+      (0x7fb920e85000, 0x7fb921084000, '-', '-', '-', 'p', 0x18000,
+       'fc', '00', 263482, '/lib/x86_64-linux-gnu/libpthread-2.15.so'),
+      (0x7fb9225f4000, 0x7fb922654000, 'r', 'w', '-', 's', 0x0,
+       '00', '04', 19660808, '/SYSV00000000 (deleted)'),
+      (0xffffffffff600000, 0xffffffffff601000, 'r', '-', 'x', 'p', 0x0,
+       '00', '00', 0, '[vsyscall]'),
+      ]
+
+  @staticmethod
+  def _expected_as_dict(index):
+    return {
+        'begin': ProcMapsTest._EXPECTED[index][0],
+        'end': ProcMapsTest._EXPECTED[index][1],
+        'readable': ProcMapsTest._EXPECTED[index][2],
+        'writable': ProcMapsTest._EXPECTED[index][3],
+        'executable': ProcMapsTest._EXPECTED[index][4],
+        'private': ProcMapsTest._EXPECTED[index][5],
+        'offset': ProcMapsTest._EXPECTED[index][6],
+        'major': ProcMapsTest._EXPECTED[index][7],
+        'minor': ProcMapsTest._EXPECTED[index][8],
+        'inode': ProcMapsTest._EXPECTED[index][9],
+        'name': ProcMapsTest._EXPECTED[index][10],
+        }
+
+  def test_load(self):
+    maps = ProcMaps.load(cStringIO.StringIO(self._TEST_PROCMAPS))
+    for index, entry in enumerate(maps):
+      self.assertEqual(entry.as_dict(), self._expected_as_dict(index))
+
+  def test_constants(self):
+    maps = ProcMaps.load(cStringIO.StringIO(self._TEST_PROCMAPS))
+    selected = [4, 7]
+    for index, entry in enumerate(maps.iter(ProcMaps.constants)):
+      self.assertEqual(entry.as_dict(),
+                       self._expected_as_dict(selected[index]))
+
+  def test_executable(self):
+    maps = ProcMaps.load(cStringIO.StringIO(self._TEST_PROCMAPS))
+    selected = [3, 6]
+    for index, entry in enumerate(maps.iter(ProcMaps.executable)):
+      self.assertEqual(entry.as_dict(),
+                       self._expected_as_dict(selected[index]))
+
+  def test_executable_and_constants(self):
+    maps = ProcMaps.load(cStringIO.StringIO(self._TEST_PROCMAPS))
+    selected = [3, 4, 6, 7]
+    for index, entry in enumerate(maps.iter(ProcMaps.executable_and_constants)):
+      self.assertEqual(entry.as_dict(),
+                       self._expected_as_dict(selected[index]))
+
+
+if __name__ == '__main__':
+  logging.basicConfig(
+      level=logging.DEBUG if '-v' in sys.argv else logging.ERROR,
+      format='%(levelname)5s %(filename)15s(%(lineno)3d): %(message)s')
+  unittest.main()