Script checking that the observed function order matches an orderfile.

tools/cygprofile/check_orderfile_unittest.py

Index: tools/cygprofile/check_orderfile_unittest.py
diff --git a/tools/cygprofile/check_orderfile_unittest.py b/tools/cygprofile/check_orderfile_unittest.py
new file mode 100755
index 0000000000000000000000000000000000000000..0050b9cc2b16f3935e8cccf8d334fa2bb3c7d38c
--- /dev/null
+++ b/tools/cygprofile/check_orderfile_unittest.py
@@ -0,0 +1,60 @@
+#!/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 check_orderfile
+import symbol_extractor
+
+
+class TestCheckOrderFile(unittest.TestCase):
+  def testMatchesSymbols(self):
+    symbol_infos = [

[pasko, 2015/02/02 10:00:30]

using this list as a global constant in the test fixture would prevent repeating
ourselves a lot.

[Benoit L, 2015/02/02 13:11:45]

Done.

+        symbol_extractor.SymbolInfo('first', 0x1, 0, ''),
+        symbol_extractor.SymbolInfo('second', 0x2, 0, ''),
+        symbol_extractor.SymbolInfo('third', 0x3, 0, ''),
+        symbol_extractor.SymbolInfo('notProfiled', 0x3, 0, '')]
+    symbols = ['second', 'third', 'first']
+    (_, matched_count, _) = check_orderfile._CountMisorderedSymbols(

[pasko, 2015/02/02 10:00:30]

wouldn't it be good to check the other counts here? It's not a lot to add, since
can be checked with tuple equality.

though if you think that does not add useful checking or makes it significantly
less readable, feel free to omit, I don't have a strong opinion on it.

[Benoit L, 2015/02/02 13:11:45]

Done.

+        symbols, symbol_infos)
+    self.assertEquals(matched_count, 3)
+
+  def testMissingMatches(self):
+    symbol_infos = [
+        symbol_extractor.SymbolInfo('first', 0x1, 0, ''),
+        symbol_extractor.SymbolInfo('second', 0x2, 0, ''),
+        symbol_extractor.SymbolInfo('third', 0x3, 0, ''),
+        symbol_extractor.SymbolInfo('notProfiled', 0x4, 0, '')]
+    symbols = ['second', 'third', 'other', 'first']
+    (_, matched_count, unmatched_count) = (
+        check_orderfile._CountMisorderedSymbols(symbols, symbol_infos))
+    self.assertEquals(matched_count, 3)
+    self.assertEquals(unmatched_count, 1)
+
+  def testNoUnorderedSymbols(self):
+    symbol_infos = [
+        symbol_extractor.SymbolInfo('first', 0x1, 0, ''),
+        symbol_extractor.SymbolInfo('second', 0x2, 0, ''),
+        symbol_extractor.SymbolInfo('third', 0x3, 0, ''),
+        symbol_extractor.SymbolInfo('notProfiled', 0x4, 0, '')]
+    symbols = ['first', 'other', 'second', 'third', 'noMatchEither']
+    (misordered_pairs_count, _, _) = (
+        check_orderfile._CountMisorderedSymbols(symbols, symbol_infos))
+    self.assertEquals(misordered_pairs_count, 0)
+
+  def testUnorderedSymbols(self):
+    symbol_infos = [
+        symbol_extractor.SymbolInfo('first', 0x1, 0, ''),
+        symbol_extractor.SymbolInfo('second', 0x2, 0, ''),
+        symbol_extractor.SymbolInfo('third', 0x3, 0, ''),
+        symbol_extractor.SymbolInfo('notProfiled', 0x4, 0, '')]
+    symbols = ['first', 'other', 'third', 'second', 'noMatchEither']
+    (misordered_pairs_count, _, _) = (
+        check_orderfile._CountMisorderedSymbols(symbols, symbol_infos))
+    self.assertEquals(misordered_pairs_count, 1)
+
+
+if __name__ == '__main__':
+  unittest.main()