upload android base code part6

android/kernel/tests/net/test/leak_test.py

@@ -0,0 +1,51 @@
+#!/usr/bin/python
+#
+# Copyright 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from errno import *  # pylint: disable=wildcard-import
+from socket import *  # pylint: disable=wildcard-import
+import threading
+import time
+import unittest
+
+import csocket
+import net_test
+
+
+class LeakTest(net_test.NetworkTest):
+
+  def testRecvfromLeak(self):
+    s = socket(AF_INET6, SOCK_DGRAM, 0)
+    s.bind(("::1", 0))
+
+    # Call shutdown on another thread while a recvfrom is in progress.
+    net_test.SetSocketTimeout(s, 2000)
+    def ShutdownSocket():
+      time.sleep(0.5)
+      self.assertRaisesErrno(ENOTCONN, s.shutdown, SHUT_RDWR)
+
+    t = threading.Thread(target=ShutdownSocket)
+    t.start()
+
+    # This could have been written with just "s.recvfrom", but because we're
+    # testing for a bug where the kernel returns garbage, it's probably safer
+    # to call the syscall directly.
+    data, addr = csocket.Recvfrom(s, 4096)
+    self.assertEqual("", data)
+    self.assertEqual(None, addr)
+
+
+if __name__ == "__main__":
+  unittest.main()