Use full paths for cctests.

test/benchmarks/testcfg.py

 # Copyright 2011 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 23 matching lines @@
   try:
     float(string)
     return True
   except ValueError:
     return False
 
 
 class BenchmarkTestCase(test.TestCase):
 
   def __init__(self, path, context, mode):
-    super(BenchmarkTestCase, self).__init__(context, path, mode)
-    self.root = '/'.join(self.path)
+    super(BenchmarkTestCase, self).__init__(context, split(path), mode)
+    self.root = path
 
   def GetLabel(self):
     return '%s benchmark %s' % (self.mode, self.GetName())
 
   def IsFailureOutput(self, output):
     if output.exit_code != 0:
       return True
     lines = output.stdout.splitlines()
     for line in lines:
       colon_index = line.find(':')
       if colon_index >= 0:
         if not IsNumber(line[colon_index+1:].strip()):
           return True
     return False
 
   def GetCommand(self):
     result = self.context.GetVmCommand(self, self.mode)
     result.append(join(self.root, 'run.js'))
     return result
 
   def GetName(self):
     return 'V8'
 
   def BeforeRun(self):
-    self.dir_before = os.getcwd()
     os.chdir(self.root)
 
   def AfterRun(self, result):
-    os.chdir(self.dir_before)
+    os.chdir(self.context.buildspace)
 
   def GetSource(self):
     return open(join(self.root, 'run.js')).read()
 
   def GetCustomFlags(self, mode):
     return []
 
 
 class BenchmarkTestConfiguration(test.TestConfiguration):
 
   def __init__(self, context, root):
     super(BenchmarkTestConfiguration, self).__init__(context, root)
 
   def ListTests(self, current_path, path, mode):
-    path = self.root.split(os.path.sep)[:-2]
-    path.append('benchmarks')
+    path = self.context.workspace
+    path = join(path, 'benchmarks')
     test = BenchmarkTestCase(path, self.context, mode)
     return [test]
 
   def GetBuildRequirements(self):
     return ['sample', 'sample=shell']
 
   def GetTestStatus(self, sections, defs):
     pass
 
 def GetConfiguration(context, root):
   return BenchmarkTestConfiguration(context, root)