Update from https://crrev.com/306901

build/android/pylib/device/adb_wrapper_test.py

 # Copyright 2013 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.
 
 """Tests for the AdbWrapper class."""
 
 import os
 import tempfile
 import time
 import unittest
@@ skipping 26 matching lines @@
     return path
 
   def testShell(self):
     output = self._adb.Shell('echo test', expect_status=0)
     self.assertEqual(output.strip(), 'test')
     output = self._adb.Shell('echo test')
     self.assertEqual(output.strip(), 'test')
     with self.assertRaises(device_errors.AdbCommandFailedError):
         self._adb.Shell('echo test', expect_status=1)
 
-  def testPushPull(self):
+  def testPushLsPull(self):
     path = self._MakeTempFile('foo')
     device_path = '/data/local/tmp/testfile.txt'
     local_tmpdir = os.path.dirname(path)
     self._adb.Push(path, device_path)
+    files = dict(self._adb.Ls('/data/local/tmp'))
+    self.assertTrue('testfile.txt' in files)
+    self.assertEquals(3, files['testfile.txt'].st_size)
     self.assertEqual(self._adb.Shell('cat %s' % device_path), 'foo')
     self._adb.Pull(device_path, local_tmpdir)
     with open(os.path.join(local_tmpdir, 'testfile.txt'), 'r') as f:
       self.assertEqual(f.read(), 'foo')
 
   def testInstall(self):
     path = self._MakeTempFile('foo')
     with self.assertRaises(device_errors.AdbCommandFailedError):
       self._adb.Install(path)
 
@@ skipping 22 matching lines @@
       try:
         self._adb.Shell('start')
         break
       except device_errors.AdbCommandFailedError:
         time.sleep(1)
     self._adb.Remount()
 
 
 if __name__ == '__main__':
   unittest.main()