Only include unique lines when patching orderfile.

tools/cygprofile/patch_orderfile_unittest.py

Index: tools/cygprofile/patch_orderfile_unittest.py
diff --git a/tools/cygprofile/patch_orderfile_unittest.py b/tools/cygprofile/patch_orderfile_unittest.py
index b88dcafc38380069b47f44881500003a10dddb9b..8ee2df5c0060208254c867632b87003df4139a82 100755
--- a/tools/cygprofile/patch_orderfile_unittest.py
+++ b/tools/cygprofile/patch_orderfile_unittest.py
@@ -101,9 +101,9 @@ class TestPatchOrderFile(unittest.TestCase):
   def testPrintSymbolWithPrefixes(self):
     class FakeOutputFile(object):
       def __init__(self):
-        self.output = []
+        self.output = ''
       def write(self, s):
-        self.output.append(s)
+        self.output = self.output + s

[pasko, 2015/01/22 17:37:14]

did the old version not work? if so, why?

[azarchs, 2015/01/22 17:44:30]

The old one resulted in extra '\n's between output lines.  This did not cause a
test failure in the old version because only one call was made to write().

     test_symbol = "dummySymbol"
     symbol_names = [test_symbol]
     fake_output = FakeOutputFile()
@@ -113,7 +113,7 @@ class TestPatchOrderFile(unittest.TestCase):
 .text.unlikely.dummySymbol
 .text.dummySymbol
 """
-    self.assertEquals("\n".join(fake_output.output), expected_output)
+    self.assertEquals(fake_output.output, expected_output)
 
 
 if __name__ == "__main__":