Update //third_party/protobuf to version 3.

third_party/protobuf/python/google/protobuf/internal/text_encoding_test.py

-#! /usr/bin/python
+#! /usr/bin/env python
 #
 # Protocol Buffers - Google's data interchange format
 # Copyright 2008 Google Inc.  All rights reserved.
-# http://code.google.com/p/protobuf/
+# https://developers.google.com/protocol-buffers/
 #
 # 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 with the
 # distribution.
 #     * Neither the name of Google Inc. nor the names of its
 # contributors may be used to endorse or promote products derived from
 # this software without specific prior written permission.
 #
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-"""Tests for google.protobuf.descriptor_database."""
+"""Tests for google.protobuf.text_encoding."""
 
-__author__ = 'matthewtoia@google.com (Matt Toia)'
+try:
+  import unittest2 as unittest
+except ImportError:
+  import unittest
+from google.protobuf import text_encoding
 
-import unittest
-from google.protobuf import descriptor_pb2
-from google.protobuf.internal import factory_test2_pb2
-from google.protobuf import descriptor_database
+TEST_VALUES = [
+    ("foo\\rbar\\nbaz\\t",
+     "foo\\rbar\\nbaz\\t",
+     b"foo\rbar\nbaz\t"),
+    ("\\'full of \\\"sound\\\" and \\\"fury\\\"\\'",
+     "\\'full of \\\"sound\\\" and \\\"fury\\\"\\'",
+     b"'full of \"sound\" and \"fury\"'"),
+    ("signi\\\\fying\\\\ nothing\\\\",
+     "signi\\\\fying\\\\ nothing\\\\",
+     b"signi\\fying\\ nothing\\"),
+    ("\\010\\t\\n\\013\\014\\r",
+     "\x08\\t\\n\x0b\x0c\\r",
+     b"\010\011\012\013\014\015")]
 
 
-class DescriptorDatabaseTest(unittest.TestCase):
+class TextEncodingTestCase(unittest.TestCase):
+  def testCEscape(self):
+    for escaped, escaped_utf8, unescaped in TEST_VALUES:
+      self.assertEqual(escaped,
+                        text_encoding.CEscape(unescaped, as_utf8=False))
+      self.assertEqual(escaped_utf8,
+                        text_encoding.CEscape(unescaped, as_utf8=True))
 
-  def testAdd(self):
-    db = descriptor_database.DescriptorDatabase()
-    file_desc_proto = descriptor_pb2.FileDescriptorProto.FromString(
-        factory_test2_pb2.DESCRIPTOR.serialized_pb)
-    db.Add(file_desc_proto)
+  def testCUnescape(self):
+    for escaped, escaped_utf8, unescaped in TEST_VALUES:
+      self.assertEqual(unescaped, text_encoding.CUnescape(escaped))
+      self.assertEqual(unescaped, text_encoding.CUnescape(escaped_utf8))
 
-    self.assertEquals(file_desc_proto, db.FindFileByName(
-        'net/proto2/python/internal/factory_test2.proto'))
-    self.assertEquals(file_desc_proto, db.FindFileContainingSymbol(
-        'net.proto2.python.internal.Factory2Message'))
-    self.assertEquals(file_desc_proto, db.FindFileContainingSymbol(
-        'net.proto2.python.internal.Factory2Message.NestedFactory2Message'))
-    self.assertEquals(file_desc_proto, db.FindFileContainingSymbol(
-        'net.proto2.python.internal.Factory2Enum'))
-    self.assertEquals(file_desc_proto, db.FindFileContainingSymbol(
-        'net.proto2.python.internal.Factory2Message.NestedFactory2Enum'))
 
-if __name__ == '__main__':
+if __name__ == "__main__":
   unittest.main()