third_party/protobuf: update to upstream r371

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

Index: third_party/protobuf/python/google/protobuf/internal/message_test.py
diff --git a/third_party/protobuf/python/google/protobuf/internal/message_test.py b/third_party/protobuf/python/google/protobuf/internal/message_test.py
index 73a9a3a37d46a6924e2e6490738cdd7abf6a1364..65174373d5f7215edbfc7d0c457f3c688acc8b41 100755
--- a/third_party/protobuf/python/google/protobuf/internal/message_test.py
+++ b/third_party/protobuf/python/google/protobuf/internal/message_test.py
@@ -43,11 +43,25 @@ abstract interface.
 
 __author__ = 'gps@google.com (Gregory P. Smith)'
 
+import copy
+import math
 import unittest
 from google.protobuf import unittest_import_pb2
 from google.protobuf import unittest_pb2
 from google.protobuf.internal import test_util
 
+# Python pre-2.6 does not have isinf() or isnan() functions, so we have
+# to provide our own.
+def isnan(val):
+  # NaN is never equal to itself.
+  return val != val
+def isinf(val):
+  # Infinity times zero equals NaN.
+  return not isnan(val) and isnan(val * 0)
+def IsPosInf(val):
+  return isinf(val) and (val > 0)
+def IsNegInf(val):
+  return isinf(val) and (val < 0)
 
 class MessageTest(unittest.TestCase):
 
@@ -57,6 +71,8 @@ class MessageTest(unittest.TestCase):
     golden_message.ParseFromString(golden_data)
     test_util.ExpectAllFieldsSet(self, golden_message)
     self.assertTrue(golden_message.SerializeToString() == golden_data)
+    golden_copy = copy.deepcopy(golden_message)
+    self.assertTrue(golden_copy.SerializeToString() == golden_data)
 
   def testGoldenExtensions(self):
     golden_data = test_util.GoldenFile('golden_message').read()
@@ -66,6 +82,8 @@ class MessageTest(unittest.TestCase):
     test_util.SetAllExtensions(all_set)
     self.assertEquals(all_set, golden_message)
     self.assertTrue(golden_message.SerializeToString() == golden_data)
+    golden_copy = copy.deepcopy(golden_message)
+    self.assertTrue(golden_copy.SerializeToString() == golden_data)
 
   def testGoldenPackedMessage(self):
     golden_data = test_util.GoldenFile('golden_packed_fields_message').read()
@@ -75,6 +93,8 @@ class MessageTest(unittest.TestCase):
     test_util.SetAllPackedFields(all_set)
     self.assertEquals(all_set, golden_message)
     self.assertTrue(all_set.SerializeToString() == golden_data)
+    golden_copy = copy.deepcopy(golden_message)
+    self.assertTrue(golden_copy.SerializeToString() == golden_data)
 
   def testGoldenPackedExtensions(self):
     golden_data = test_util.GoldenFile('golden_packed_fields_message').read()
@@ -84,6 +104,240 @@ class MessageTest(unittest.TestCase):
     test_util.SetAllPackedExtensions(all_set)
     self.assertEquals(all_set, golden_message)
     self.assertTrue(all_set.SerializeToString() == golden_data)
+    golden_copy = copy.deepcopy(golden_message)
+    self.assertTrue(golden_copy.SerializeToString() == golden_data)
+
+  def testPositiveInfinity(self):
+    golden_data = ('\x5D\x00\x00\x80\x7F'
+                   '\x61\x00\x00\x00\x00\x00\x00\xF0\x7F'
+                   '\xCD\x02\x00\x00\x80\x7F'
+                   '\xD1\x02\x00\x00\x00\x00\x00\x00\xF0\x7F')
+    golden_message = unittest_pb2.TestAllTypes()
+    golden_message.ParseFromString(golden_data)
+    self.assertTrue(IsPosInf(golden_message.optional_float))
+    self.assertTrue(IsPosInf(golden_message.optional_double))
+    self.assertTrue(IsPosInf(golden_message.repeated_float[0]))
+    self.assertTrue(IsPosInf(golden_message.repeated_double[0]))
+    self.assertTrue(golden_message.SerializeToString() == golden_data)
+
+  def testNegativeInfinity(self):
+    golden_data = ('\x5D\x00\x00\x80\xFF'
+                   '\x61\x00\x00\x00\x00\x00\x00\xF0\xFF'
+                   '\xCD\x02\x00\x00\x80\xFF'
+                   '\xD1\x02\x00\x00\x00\x00\x00\x00\xF0\xFF')
+    golden_message = unittest_pb2.TestAllTypes()
+    golden_message.ParseFromString(golden_data)
+    self.assertTrue(IsNegInf(golden_message.optional_float))
+    self.assertTrue(IsNegInf(golden_message.optional_double))
+    self.assertTrue(IsNegInf(golden_message.repeated_float[0]))
+    self.assertTrue(IsNegInf(golden_message.repeated_double[0]))
+    self.assertTrue(golden_message.SerializeToString() == golden_data)
+
+  def testNotANumber(self):
+    golden_data = ('\x5D\x00\x00\xC0\x7F'
+                   '\x61\x00\x00\x00\x00\x00\x00\xF8\x7F'
+                   '\xCD\x02\x00\x00\xC0\x7F'
+                   '\xD1\x02\x00\x00\x00\x00\x00\x00\xF8\x7F')
+    golden_message = unittest_pb2.TestAllTypes()
+    golden_message.ParseFromString(golden_data)
+    self.assertTrue(isnan(golden_message.optional_float))
+    self.assertTrue(isnan(golden_message.optional_double))
+    self.assertTrue(isnan(golden_message.repeated_float[0]))
+    self.assertTrue(isnan(golden_message.repeated_double[0]))
+    self.assertTrue(golden_message.SerializeToString() == golden_data)
+
+  def testPositiveInfinityPacked(self):
+    golden_data = ('\xA2\x06\x04\x00\x00\x80\x7F'
+                   '\xAA\x06\x08\x00\x00\x00\x00\x00\x00\xF0\x7F')
+    golden_message = unittest_pb2.TestPackedTypes()
+    golden_message.ParseFromString(golden_data)
+    self.assertTrue(IsPosInf(golden_message.packed_float[0]))
+    self.assertTrue(IsPosInf(golden_message.packed_double[0]))
+    self.assertTrue(golden_message.SerializeToString() == golden_data)
+
+  def testNegativeInfinityPacked(self):
+    golden_data = ('\xA2\x06\x04\x00\x00\x80\xFF'
+                   '\xAA\x06\x08\x00\x00\x00\x00\x00\x00\xF0\xFF')
+    golden_message = unittest_pb2.TestPackedTypes()
+    golden_message.ParseFromString(golden_data)
+    self.assertTrue(IsNegInf(golden_message.packed_float[0]))
+    self.assertTrue(IsNegInf(golden_message.packed_double[0]))
+    self.assertTrue(golden_message.SerializeToString() == golden_data)
+
+  def testNotANumberPacked(self):
+    golden_data = ('\xA2\x06\x04\x00\x00\xC0\x7F'
+                   '\xAA\x06\x08\x00\x00\x00\x00\x00\x00\xF8\x7F')
+    golden_message = unittest_pb2.TestPackedTypes()
+    golden_message.ParseFromString(golden_data)
+    self.assertTrue(isnan(golden_message.packed_float[0]))
+    self.assertTrue(isnan(golden_message.packed_double[0]))
+    self.assertTrue(golden_message.SerializeToString() == golden_data)
+
+  def testExtremeFloatValues(self):
+    message = unittest_pb2.TestAllTypes()
+
+    # Most positive exponent, no significand bits set.
+    kMostPosExponentNoSigBits = math.pow(2, 127)
+    message.optional_float = kMostPosExponentNoSigBits
+    message.ParseFromString(message.SerializeToString())
+    self.assertTrue(message.optional_float == kMostPosExponentNoSigBits)
+
+    # Most positive exponent, one significand bit set.
+    kMostPosExponentOneSigBit = 1.5 * math.pow(2, 127)
+    message.optional_float = kMostPosExponentOneSigBit
+    message.ParseFromString(message.SerializeToString())
+    self.assertTrue(message.optional_float == kMostPosExponentOneSigBit)
+
+    # Repeat last two cases with values of same magnitude, but negative.
+    message.optional_float = -kMostPosExponentNoSigBits
+    message.ParseFromString(message.SerializeToString())
+    self.assertTrue(message.optional_float == -kMostPosExponentNoSigBits)
+
+    message.optional_float = -kMostPosExponentOneSigBit
+    message.ParseFromString(message.SerializeToString())
+    self.assertTrue(message.optional_float == -kMostPosExponentOneSigBit)
+
+    # Most negative exponent, no significand bits set.
+    kMostNegExponentNoSigBits = math.pow(2, -127)
+    message.optional_float = kMostNegExponentNoSigBits
+    message.ParseFromString(message.SerializeToString())
+    self.assertTrue(message.optional_float == kMostNegExponentNoSigBits)
+
+    # Most negative exponent, one significand bit set.
+    kMostNegExponentOneSigBit = 1.5 * math.pow(2, -127)
+    message.optional_float = kMostNegExponentOneSigBit
+    message.ParseFromString(message.SerializeToString())
+    self.assertTrue(message.optional_float == kMostNegExponentOneSigBit)
+
+    # Repeat last two cases with values of the same magnitude, but negative.
+    message.optional_float = -kMostNegExponentNoSigBits
+    message.ParseFromString(message.SerializeToString())
+    self.assertTrue(message.optional_float == -kMostNegExponentNoSigBits)
+
+    message.optional_float = -kMostNegExponentOneSigBit
+    message.ParseFromString(message.SerializeToString())
+    self.assertTrue(message.optional_float == -kMostNegExponentOneSigBit)
+
+  def testExtremeFloatValues(self):
+    message = unittest_pb2.TestAllTypes()
+
+    # Most positive exponent, no significand bits set.
+    kMostPosExponentNoSigBits = math.pow(2, 1023)
+    message.optional_double = kMostPosExponentNoSigBits
+    message.ParseFromString(message.SerializeToString())
+    self.assertTrue(message.optional_double == kMostPosExponentNoSigBits)
+
+    # Most positive exponent, one significand bit set.
+    kMostPosExponentOneSigBit = 1.5 * math.pow(2, 1023)
+    message.optional_double = kMostPosExponentOneSigBit
+    message.ParseFromString(message.SerializeToString())
+    self.assertTrue(message.optional_double == kMostPosExponentOneSigBit)
+
+    # Repeat last two cases with values of same magnitude, but negative.
+    message.optional_double = -kMostPosExponentNoSigBits
+    message.ParseFromString(message.SerializeToString())
+    self.assertTrue(message.optional_double == -kMostPosExponentNoSigBits)
+
+    message.optional_double = -kMostPosExponentOneSigBit
+    message.ParseFromString(message.SerializeToString())
+    self.assertTrue(message.optional_double == -kMostPosExponentOneSigBit)
+
+    # Most negative exponent, no significand bits set.
+    kMostNegExponentNoSigBits = math.pow(2, -1023)
+    message.optional_double = kMostNegExponentNoSigBits
+    message.ParseFromString(message.SerializeToString())
+    self.assertTrue(message.optional_double == kMostNegExponentNoSigBits)
+
+    # Most negative exponent, one significand bit set.
+    kMostNegExponentOneSigBit = 1.5 * math.pow(2, -1023)
+    message.optional_double = kMostNegExponentOneSigBit
+    message.ParseFromString(message.SerializeToString())
+    self.assertTrue(message.optional_double == kMostNegExponentOneSigBit)
+
+    # Repeat last two cases with values of the same magnitude, but negative.
+    message.optional_double = -kMostNegExponentNoSigBits
+    message.ParseFromString(message.SerializeToString())
+    self.assertTrue(message.optional_double == -kMostNegExponentNoSigBits)
+
+    message.optional_double = -kMostNegExponentOneSigBit
+    message.ParseFromString(message.SerializeToString())
+    self.assertTrue(message.optional_double == -kMostNegExponentOneSigBit)
+
+  def testSortingRepeatedScalarFieldsDefaultComparator(self):
+    """Check some different types with the default comparator."""
+    message = unittest_pb2.TestAllTypes()
+
+    # TODO(mattp): would testing more scalar types strengthen test?
+    message.repeated_int32.append(1)
+    message.repeated_int32.append(3)
+    message.repeated_int32.append(2)
+    message.repeated_int32.sort()
+    self.assertEqual(message.repeated_int32[0], 1)
+    self.assertEqual(message.repeated_int32[1], 2)
+    self.assertEqual(message.repeated_int32[2], 3)
+
+    message.repeated_float.append(1.1)
+    message.repeated_float.append(1.3)
+    message.repeated_float.append(1.2)
+    message.repeated_float.sort()
+    self.assertAlmostEqual(message.repeated_float[0], 1.1)
+    self.assertAlmostEqual(message.repeated_float[1], 1.2)
+    self.assertAlmostEqual(message.repeated_float[2], 1.3)
+
+    message.repeated_string.append('a')
+    message.repeated_string.append('c')
+    message.repeated_string.append('b')
+    message.repeated_string.sort()
+    self.assertEqual(message.repeated_string[0], 'a')
+    self.assertEqual(message.repeated_string[1], 'b')
+    self.assertEqual(message.repeated_string[2], 'c')
+
+    message.repeated_bytes.append('a')
+    message.repeated_bytes.append('c')
+    message.repeated_bytes.append('b')
+    message.repeated_bytes.sort()
+    self.assertEqual(message.repeated_bytes[0], 'a')
+    self.assertEqual(message.repeated_bytes[1], 'b')
+    self.assertEqual(message.repeated_bytes[2], 'c')
+
+  def testSortingRepeatedScalarFieldsCustomComparator(self):
+    """Check some different types with custom comparator."""
+    message = unittest_pb2.TestAllTypes()
+
+    message.repeated_int32.append(-3)
+    message.repeated_int32.append(-2)
+    message.repeated_int32.append(-1)
+    message.repeated_int32.sort(lambda x,y: cmp(abs(x), abs(y)))
+    self.assertEqual(message.repeated_int32[0], -1)
+    self.assertEqual(message.repeated_int32[1], -2)
+    self.assertEqual(message.repeated_int32[2], -3)
+
+    message.repeated_string.append('aaa')
+    message.repeated_string.append('bb')
+    message.repeated_string.append('c')
+    message.repeated_string.sort(lambda x,y: cmp(len(x), len(y)))
+    self.assertEqual(message.repeated_string[0], 'c')
+    self.assertEqual(message.repeated_string[1], 'bb')
+    self.assertEqual(message.repeated_string[2], 'aaa')
+
+  def testSortingRepeatedCompositeFieldsCustomComparator(self):
+    """Check passing a custom comparator to sort a repeated composite field."""
+    message = unittest_pb2.TestAllTypes()
+
+    message.repeated_nested_message.add().bb = 1
+    message.repeated_nested_message.add().bb = 3
+    message.repeated_nested_message.add().bb = 2
+    message.repeated_nested_message.add().bb = 6
+    message.repeated_nested_message.add().bb = 5
+    message.repeated_nested_message.add().bb = 4
+    message.repeated_nested_message.sort(lambda x,y: cmp(x.bb, y.bb))
+    self.assertEqual(message.repeated_nested_message[0].bb, 1)
+    self.assertEqual(message.repeated_nested_message[1].bb, 2)
+    self.assertEqual(message.repeated_nested_message[2].bb, 3)
+    self.assertEqual(message.repeated_nested_message[3].bb, 4)
+    self.assertEqual(message.repeated_nested_message[4].bb, 5)
+    self.assertEqual(message.repeated_nested_message[5].bb, 6)
+
 
 if __name__ == '__main__':
   unittest.main()