// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd

// Author: kenton@google.com (Kenton Varda)
//  Based on original Protocol Buffers design by
//  Sanjay Ghemawat, Jeff Dean, and others.

#include "google/protobuf/test_util_lite.h"

#include <gtest/gtest.h>
#include "absl/strings/string_view.h"

namespace google {
namespace protobuf {

void TestUtilLite::SetAllFields(unittest::TestAllTypesLite* message) {
  message->set_optional_int32(101);
  message->set_optional_int64(102);
  message->set_optional_uint32(103);
  message->set_optional_uint64(104);
  message->set_optional_sint32(105);
  message->set_optional_sint64(106);
  message->set_optional_fixed32(107);
  message->set_optional_fixed64(108);
  message->set_optional_sfixed32(109);
  message->set_optional_sfixed64(110);
  message->set_optional_float(111);
  message->set_optional_double(112);
  message->set_optional_bool(true);
  message->set_optional_string("115");
  message->set_optional_bytes("116");

  message->mutable_optionalgroup()->set_a(117);
  message->mutable_optional_nested_message()->set_bb(118);
  message->mutable_optional_foreign_message()->set_c(119);
  message->mutable_optional_import_message()->set_d(120);
  message->mutable_optional_public_import_message()->set_e(126);
  message->mutable_optional_lazy_message()->set_bb(127);
  message->mutable_optional_unverified_lazy_message()->set_bb(128);

  message->set_optional_nested_enum(unittest::TestAllTypesLite::BAZ);
  message->set_optional_foreign_enum(unittest::FOREIGN_LITE_BAZ);
  message->set_optional_import_enum(unittest_import::IMPORT_LITE_BAZ);


  // -----------------------------------------------------------------

  message->add_repeated_int32(201);
  message->add_repeated_int64(202);
  message->add_repeated_uint32(203);
  message->add_repeated_uint64(204);
  message->add_repeated_sint32(205);
  message->add_repeated_sint64(206);
  message->add_repeated_fixed32(207);
  message->add_repeated_fixed64(208);
  message->add_repeated_sfixed32(209);
  message->add_repeated_sfixed64(210);
  message->add_repeated_float(211);
  message->add_repeated_double(212);
  message->add_repeated_bool(true);
  message->add_repeated_string("215");
  message->add_repeated_bytes("216");

  message->add_repeatedgroup()->set_a(217);
  message->add_repeated_nested_message()->set_bb(218);
  message->add_repeated_foreign_message()->set_c(219);
  message->add_repeated_import_message()->set_d(220);
  message->add_repeated_lazy_message()->set_bb(227);

  message->add_repeated_nested_enum(unittest::TestAllTypesLite::BAR);
  message->add_repeated_foreign_enum(unittest::FOREIGN_LITE_BAR);
  message->add_repeated_import_enum(unittest_import::IMPORT_LITE_BAR);


  // Add a second one of each field.
  message->add_repeated_int32(301);
  message->add_repeated_int64(302);
  message->add_repeated_uint32(303);
  message->add_repeated_uint64(304);
  message->add_repeated_sint32(305);
  message->add_repeated_sint64(306);
  message->add_repeated_fixed32(307);
  message->add_repeated_fixed64(308);
  message->add_repeated_sfixed32(309);
  message->add_repeated_sfixed64(310);
  message->add_repeated_float(311);
  message->add_repeated_double(312);
  message->add_repeated_bool(false);
  message->add_repeated_string("315");
  message->add_repeated_bytes("316");

  message->add_repeatedgroup()->set_a(317);
  message->add_repeated_nested_message()->set_bb(318);
  message->add_repeated_foreign_message()->set_c(319);
  message->add_repeated_import_message()->set_d(320);
  message->add_repeated_lazy_message()->set_bb(327);

  message->add_repeated_nested_enum(unittest::TestAllTypesLite::BAZ);
  message->add_repeated_foreign_enum(unittest::FOREIGN_LITE_BAZ);
  message->add_repeated_import_enum(unittest_import::IMPORT_LITE_BAZ);


  // -----------------------------------------------------------------

  message->set_default_int32(401);
  message->set_default_int64(402);
  message->set_default_uint32(403);
  message->set_default_uint64(404);
  message->set_default_sint32(405);
  message->set_default_sint64(406);
  message->set_default_fixed32(407);
  message->set_default_fixed64(408);
  message->set_default_sfixed32(409);
  message->set_default_sfixed64(410);
  message->set_default_float(411);
  message->set_default_double(412);
  message->set_default_bool(false);
  message->set_default_string("415");
  message->set_default_bytes("416");

  message->set_default_nested_enum(unittest::TestAllTypesLite::FOO);
  message->set_default_foreign_enum(unittest::FOREIGN_LITE_FOO);
  message->set_default_import_enum(unittest_import::IMPORT_LITE_FOO);


  message->set_oneof_uint32(601);
  message->mutable_oneof_nested_message()->set_bb(602);
  message->set_oneof_string("603");
  message->set_oneof_bytes("604");
}

// -------------------------------------------------------------------

void TestUtilLite::ModifyRepeatedFields(unittest::TestAllTypesLite* message) {
  message->set_repeated_int32(1, 501);
  message->set_repeated_int64(1, 502);
  message->set_repeated_uint32(1, 503);
  message->set_repeated_uint64(1, 504);
  message->set_repeated_sint32(1, 505);
  message->set_repeated_sint64(1, 506);
  message->set_repeated_fixed32(1, 507);
  message->set_repeated_fixed64(1, 508);
  message->set_repeated_sfixed32(1, 509);
  message->set_repeated_sfixed64(1, 510);
  message->set_repeated_float(1, 511);
  message->set_repeated_double(1, 512);
  message->set_repeated_bool(1, true);
  message->set_repeated_string(1, "515");
  message->set_repeated_bytes(1, "516");

  message->mutable_repeatedgroup(1)->set_a(517);
  message->mutable_repeated_nested_message(1)->set_bb(518);
  message->mutable_repeated_foreign_message(1)->set_c(519);
  message->mutable_repeated_import_message(1)->set_d(520);
  message->mutable_repeated_lazy_message(1)->set_bb(527);

  message->set_repeated_nested_enum(1, unittest::TestAllTypesLite::FOO);
  message->set_repeated_foreign_enum(1, unittest::FOREIGN_LITE_FOO);
  message->set_repeated_import_enum(1, unittest_import::IMPORT_LITE_FOO);

}

// -------------------------------------------------------------------

void TestUtilLite::ExpectAllFieldsSet(
    const unittest::TestAllTypesLite& message) {
  EXPECT_TRUE(message.has_optional_int32());
  EXPECT_TRUE(message.has_optional_int64());
  EXPECT_TRUE(message.has_optional_uint32());
  EXPECT_TRUE(message.has_optional_uint64());
  EXPECT_TRUE(message.has_optional_sint32());
  EXPECT_TRUE(message.has_optional_sint64());
  EXPECT_TRUE(message.has_optional_fixed32());
  EXPECT_TRUE(message.has_optional_fixed64());
  EXPECT_TRUE(message.has_optional_sfixed32());
  EXPECT_TRUE(message.has_optional_sfixed64());
  EXPECT_TRUE(message.has_optional_float());
  EXPECT_TRUE(message.has_optional_double());
  EXPECT_TRUE(message.has_optional_bool());
  EXPECT_TRUE(message.has_optional_string());
  EXPECT_TRUE(message.has_optional_bytes());

  EXPECT_TRUE(message.has_optionalgroup());
  EXPECT_TRUE(message.has_optional_nested_message());
  EXPECT_TRUE(message.has_optional_foreign_message());
  EXPECT_TRUE(message.has_optional_import_message());
  EXPECT_TRUE(message.has_optional_public_import_message());
  EXPECT_TRUE(message.has_optional_lazy_message());
  EXPECT_TRUE(message.has_optional_unverified_lazy_message());

  EXPECT_TRUE(message.optionalgroup().has_a());
  EXPECT_TRUE(message.optional_nested_message().has_bb());
  EXPECT_TRUE(message.optional_foreign_message().has_c());
  EXPECT_TRUE(message.optional_import_message().has_d());
  EXPECT_TRUE(message.optional_public_import_message().has_e());
  EXPECT_TRUE(message.optional_lazy_message().has_bb());
  EXPECT_TRUE(message.optional_unverified_lazy_message().has_bb());

  EXPECT_TRUE(message.has_optional_nested_enum());
  EXPECT_TRUE(message.has_optional_foreign_enum());
  EXPECT_TRUE(message.has_optional_import_enum());


  EXPECT_EQ(101, message.optional_int32());
  EXPECT_EQ(102, message.optional_int64());
  EXPECT_EQ(103, message.optional_uint32());
  EXPECT_EQ(104, message.optional_uint64());
  EXPECT_EQ(105, message.optional_sint32());
  EXPECT_EQ(106, message.optional_sint64());
  EXPECT_EQ(107, message.optional_fixed32());
  EXPECT_EQ(108, message.optional_fixed64());
  EXPECT_EQ(109, message.optional_sfixed32());
  EXPECT_EQ(110, message.optional_sfixed64());
  EXPECT_EQ(111, message.optional_float());
  EXPECT_EQ(112, message.optional_double());
  EXPECT_EQ(true, message.optional_bool());
  EXPECT_EQ("115", message.optional_string());
  EXPECT_EQ("116", message.optional_bytes());

  EXPECT_EQ(117, message.optionalgroup().a());
  EXPECT_EQ(118, message.optional_nested_message().bb());
  EXPECT_EQ(119, message.optional_foreign_message().c());
  EXPECT_EQ(120, message.optional_import_message().d());
  EXPECT_EQ(126, message.optional_public_import_message().e());
  EXPECT_EQ(127, message.optional_lazy_message().bb());
  EXPECT_EQ(128, message.optional_unverified_lazy_message().bb());

  EXPECT_EQ(unittest::TestAllTypesLite::BAZ, message.optional_nested_enum());
  EXPECT_EQ(unittest::FOREIGN_LITE_BAZ, message.optional_foreign_enum());
  EXPECT_EQ(unittest_import::IMPORT_LITE_BAZ, message.optional_import_enum());


  // -----------------------------------------------------------------

  ASSERT_EQ(2, message.repeated_int32_size());
  ASSERT_EQ(2, message.repeated_int64_size());
  ASSERT_EQ(2, message.repeated_uint32_size());
  ASSERT_EQ(2, message.repeated_uint64_size());
  ASSERT_EQ(2, message.repeated_sint32_size());
  ASSERT_EQ(2, message.repeated_sint64_size());
  ASSERT_EQ(2, message.repeated_fixed32_size());
  ASSERT_EQ(2, message.repeated_fixed64_size());
  ASSERT_EQ(2, message.repeated_sfixed32_size());
  ASSERT_EQ(2, message.repeated_sfixed64_size());
  ASSERT_EQ(2, message.repeated_float_size());
  ASSERT_EQ(2, message.repeated_double_size());
  ASSERT_EQ(2, message.repeated_bool_size());
  ASSERT_EQ(2, message.repeated_string_size());
  ASSERT_EQ(2, message.repeated_bytes_size());

  ASSERT_EQ(2, message.repeatedgroup_size());
  ASSERT_EQ(2, message.repeated_nested_message_size());
  ASSERT_EQ(2, message.repeated_foreign_message_size());
  ASSERT_EQ(2, message.repeated_import_message_size());
  ASSERT_EQ(2, message.repeated_lazy_message_size());
  ASSERT_EQ(2, message.repeated_nested_enum_size());
  ASSERT_EQ(2, message.repeated_foreign_enum_size());
  ASSERT_EQ(2, message.repeated_import_enum_size());


  EXPECT_EQ(201, message.repeated_int32(0));
  EXPECT_EQ(202, message.repeated_int64(0));
  EXPECT_EQ(203, message.repeated_uint32(0));
  EXPECT_EQ(204, message.repeated_uint64(0));
  EXPECT_EQ(205, message.repeated_sint32(0));
  EXPECT_EQ(206, message.repeated_sint64(0));
  EXPECT_EQ(207, message.repeated_fixed32(0));
  EXPECT_EQ(208, message.repeated_fixed64(0));
  EXPECT_EQ(209, message.repeated_sfixed32(0));
  EXPECT_EQ(210, message.repeated_sfixed64(0));
  EXPECT_EQ(211, message.repeated_float(0));
  EXPECT_EQ(212, message.repeated_double(0));
  EXPECT_EQ(true, message.repeated_bool(0));
  EXPECT_EQ("215", message.repeated_string(0));
  EXPECT_EQ("216", message.repeated_bytes(0));

  EXPECT_EQ(217, message.repeatedgroup(0).a());
  EXPECT_EQ(218, message.repeated_nested_message(0).bb());
  EXPECT_EQ(219, message.repeated_foreign_message(0).c());
  EXPECT_EQ(220, message.repeated_import_message(0).d());
  EXPECT_EQ(227, message.repeated_lazy_message(0).bb());


  EXPECT_EQ(unittest::TestAllTypesLite::BAR, message.repeated_nested_enum(0));
  EXPECT_EQ(unittest::FOREIGN_LITE_BAR, message.repeated_foreign_enum(0));
  EXPECT_EQ(unittest_import::IMPORT_LITE_BAR, message.repeated_import_enum(0));

  EXPECT_EQ(301, message.repeated_int32(1));
  EXPECT_EQ(302, message.repeated_int64(1));
  EXPECT_EQ(303, message.repeated_uint32(1));
  EXPECT_EQ(304, message.repeated_uint64(1));
  EXPECT_EQ(305, message.repeated_sint32(1));
  EXPECT_EQ(306, message.repeated_sint64(1));
  EXPECT_EQ(307, message.repeated_fixed32(1));
  EXPECT_EQ(308, message.repeated_fixed64(1));
  EXPECT_EQ(309, message.repeated_sfixed32(1));
  EXPECT_EQ(310, message.repeated_sfixed64(1));
  EXPECT_EQ(311, message.repeated_float(1));
  EXPECT_EQ(312, message.repeated_double(1));
  // EXPECT_EQ(false, ...) triggers a compiler warning in some platforms.
  //   warning: converting ‘false’ to pointer type
  EXPECT_FALSE(message.repeated_bool(1));
  EXPECT_EQ("315", message.repeated_string(1));
  EXPECT_EQ("316", message.repeated_bytes(1));

  EXPECT_EQ(317, message.repeatedgroup(1).a());
  EXPECT_EQ(318, message.repeated_nested_message(1).bb());
  EXPECT_EQ(319, message.repeated_foreign_message(1).c());
  EXPECT_EQ(320, message.repeated_import_message(1).d());
  EXPECT_EQ(327, message.repeated_lazy_message(1).bb());

  EXPECT_EQ(unittest::TestAllTypesLite::BAZ, message.repeated_nested_enum(1));
  EXPECT_EQ(unittest::FOREIGN_LITE_BAZ, message.repeated_foreign_enum(1));
  EXPECT_EQ(unittest_import::IMPORT_LITE_BAZ, message.repeated_import_enum(1));


  // -----------------------------------------------------------------

  EXPECT_TRUE(message.has_default_int32());
  EXPECT_TRUE(message.has_default_int64());
  EXPECT_TRUE(message.has_default_uint32());
  EXPECT_TRUE(message.has_default_uint64());
  EXPECT_TRUE(message.has_default_sint32());
  EXPECT_TRUE(message.has_default_sint64());
  EXPECT_TRUE(message.has_default_fixed32());
  EXPECT_TRUE(message.has_default_fixed64());
  EXPECT_TRUE(message.has_default_sfixed32());
  EXPECT_TRUE(message.has_default_sfixed64());
  EXPECT_TRUE(message.has_default_float());
  EXPECT_TRUE(message.has_default_double());
  EXPECT_TRUE(message.has_default_bool());
  EXPECT_TRUE(message.has_default_string());
  EXPECT_TRUE(message.has_default_bytes());

  EXPECT_TRUE(message.has_default_nested_enum());
  EXPECT_TRUE(message.has_default_foreign_enum());
  EXPECT_TRUE(message.has_default_import_enum());


  EXPECT_EQ(401, message.default_int32());
  EXPECT_EQ(402, message.default_int64());
  EXPECT_EQ(403, message.default_uint32());
  EXPECT_EQ(404, message.default_uint64());
  EXPECT_EQ(405, message.default_sint32());
  EXPECT_EQ(406, message.default_sint64());
  EXPECT_EQ(407, message.default_fixed32());
  EXPECT_EQ(408, message.default_fixed64());
  EXPECT_EQ(409, message.default_sfixed32());
  EXPECT_EQ(410, message.default_sfixed64());
  EXPECT_EQ(411, message.default_float());
  EXPECT_EQ(412, message.default_double());
  EXPECT_FALSE(message.default_bool());
  EXPECT_EQ("415", message.default_string());
  EXPECT_EQ("416", message.default_bytes());

  EXPECT_EQ(unittest::TestAllTypesLite::FOO, message.default_nested_enum());
  EXPECT_EQ(unittest::FOREIGN_LITE_FOO, message.default_foreign_enum());
  EXPECT_EQ(unittest_import::IMPORT_LITE_FOO, message.default_import_enum());


  EXPECT_FALSE(message.has_oneof_uint32());
  EXPECT_FALSE(message.has_oneof_nested_message());
  EXPECT_FALSE(message.has_oneof_string());
  EXPECT_TRUE(message.has_oneof_bytes());

  EXPECT_EQ("604", message.oneof_bytes());
}

// -------------------------------------------------------------------

void TestUtilLite::ExpectClear(const unittest::TestAllTypesLite& message) {
  // has_blah() should initially be false for all optional fields.
  EXPECT_FALSE(message.has_optional_int32());
  EXPECT_FALSE(message.has_optional_int64());
  EXPECT_FALSE(message.has_optional_uint32());
  EXPECT_FALSE(message.has_optional_uint64());
  EXPECT_FALSE(message.has_optional_sint32());
  EXPECT_FALSE(message.has_optional_sint64());
  EXPECT_FALSE(message.has_optional_fixed32());
  EXPECT_FALSE(message.has_optional_fixed64());
  EXPECT_FALSE(message.has_optional_sfixed32());
  EXPECT_FALSE(message.has_optional_sfixed64());
  EXPECT_FALSE(message.has_optional_float());
  EXPECT_FALSE(message.has_optional_double());
  EXPECT_FALSE(message.has_optional_bool());
  EXPECT_FALSE(message.has_optional_string());
  EXPECT_FALSE(message.has_optional_bytes());

  EXPECT_FALSE(message.has_optionalgroup());
  EXPECT_FALSE(message.has_optional_nested_message());
  EXPECT_FALSE(message.has_optional_foreign_message());
  EXPECT_FALSE(message.has_optional_import_message());
  EXPECT_FALSE(message.has_optional_public_import_message());
  EXPECT_FALSE(message.has_optional_lazy_message());
  EXPECT_FALSE(message.has_optional_unverified_lazy_message());

  EXPECT_FALSE(message.has_optional_nested_enum());
  EXPECT_FALSE(message.has_optional_foreign_enum());
  EXPECT_FALSE(message.has_optional_import_enum());


  // Optional fields without defaults are set to zero or something like it.
  EXPECT_EQ(0, message.optional_int32());
  EXPECT_EQ(0, message.optional_int64());
  EXPECT_EQ(0, message.optional_uint32());
  EXPECT_EQ(0, message.optional_uint64());
  EXPECT_EQ(0, message.optional_sint32());
  EXPECT_EQ(0, message.optional_sint64());
  EXPECT_EQ(0, message.optional_fixed32());
  EXPECT_EQ(0, message.optional_fixed64());
  EXPECT_EQ(0, message.optional_sfixed32());
  EXPECT_EQ(0, message.optional_sfixed64());
  EXPECT_EQ(0, message.optional_float());
  EXPECT_EQ(0, message.optional_double());
  EXPECT_FALSE(message.optional_bool());
  EXPECT_EQ("", message.optional_string());
  EXPECT_EQ("", message.optional_bytes());

  // Embedded messages should also be clear.
  EXPECT_FALSE(message.optionalgroup().has_a());
  EXPECT_FALSE(message.optional_nested_message().has_bb());
  EXPECT_FALSE(message.optional_foreign_message().has_c());
  EXPECT_FALSE(message.optional_import_message().has_d());
  EXPECT_FALSE(message.optional_public_import_message().has_e());
  EXPECT_FALSE(message.optional_lazy_message().has_bb());
  EXPECT_FALSE(message.optional_unverified_lazy_message().has_bb());

  EXPECT_EQ(0, message.optionalgroup().a());
  EXPECT_EQ(0, message.optional_nested_message().bb());
  EXPECT_EQ(0, message.optional_foreign_message().c());
  EXPECT_EQ(0, message.optional_import_message().d());

  // Enums without defaults are set to the first value in the enum.
  EXPECT_EQ(unittest::TestAllTypesLite::FOO, message.optional_nested_enum());
  EXPECT_EQ(unittest::FOREIGN_LITE_FOO, message.optional_foreign_enum());
  EXPECT_EQ(unittest_import::IMPORT_LITE_FOO, message.optional_import_enum());


  // Repeated fields are empty.
  EXPECT_EQ(0, message.repeated_int32_size());
  EXPECT_EQ(0, message.repeated_int64_size());
  EXPECT_EQ(0, message.repeated_uint32_size());
  EXPECT_EQ(0, message.repeated_uint64_size());
  EXPECT_EQ(0, message.repeated_sint32_size());
  EXPECT_EQ(0, message.repeated_sint64_size());
  EXPECT_EQ(0, message.repeated_fixed32_size());
  EXPECT_EQ(0, message.repeated_fixed64_size());
  EXPECT_EQ(0, message.repeated_sfixed32_size());
  EXPECT_EQ(0, message.repeated_sfixed64_size());
  EXPECT_EQ(0, message.repeated_float_size());
  EXPECT_EQ(0, message.repeated_double_size());
  EXPECT_EQ(0, message.repeated_bool_size());
  EXPECT_EQ(0, message.repeated_string_size());
  EXPECT_EQ(0, message.repeated_bytes_size());

  EXPECT_EQ(0, message.repeatedgroup_size());
  EXPECT_EQ(0, message.repeated_nested_message_size());
  EXPECT_EQ(0, message.repeated_foreign_message_size());
  EXPECT_EQ(0, message.repeated_import_message_size());
  EXPECT_EQ(0, message.repeated_lazy_message_size());
  EXPECT_EQ(0, message.repeated_nested_enum_size());
  EXPECT_EQ(0, message.repeated_foreign_enum_size());
  EXPECT_EQ(0, message.repeated_import_enum_size());


  // has_blah() should also be false for all default fields.
  EXPECT_FALSE(message.has_default_int32());
  EXPECT_FALSE(message.has_default_int64());
  EXPECT_FALSE(message.has_default_uint32());
  EXPECT_FALSE(message.has_default_uint64());
  EXPECT_FALSE(message.has_default_sint32());
  EXPECT_FALSE(message.has_default_sint64());
  EXPECT_FALSE(message.has_default_fixed32());
  EXPECT_FALSE(message.has_default_fixed64());
  EXPECT_FALSE(message.has_default_sfixed32());
  EXPECT_FALSE(message.has_default_sfixed64());
  EXPECT_FALSE(message.has_default_float());
  EXPECT_FALSE(message.has_default_double());
  EXPECT_FALSE(message.has_default_bool());
  EXPECT_FALSE(message.has_default_string());
  EXPECT_FALSE(message.has_default_bytes());

  EXPECT_FALSE(message.has_default_nested_enum());
  EXPECT_FALSE(message.has_default_foreign_enum());
  EXPECT_FALSE(message.has_default_import_enum());


  // Fields with defaults have their default values (duh).
  EXPECT_EQ(41, message.default_int32());
  EXPECT_EQ(42, message.default_int64());
  EXPECT_EQ(43, message.default_uint32());
  EXPECT_EQ(44, message.default_uint64());
  EXPECT_EQ(-45, message.default_sint32());
  EXPECT_EQ(46, message.default_sint64());
  EXPECT_EQ(47, message.default_fixed32());
  EXPECT_EQ(48, message.default_fixed64());
  EXPECT_EQ(49, message.default_sfixed32());
  EXPECT_EQ(-50, message.default_sfixed64());
  EXPECT_EQ(51.5, message.default_float());
  EXPECT_EQ(52e3, message.default_double());
  EXPECT_EQ(true, message.default_bool());
  EXPECT_EQ("hello", message.default_string());
  EXPECT_EQ("world", message.default_bytes());

  EXPECT_EQ(unittest::TestAllTypesLite::BAR, message.default_nested_enum());
  EXPECT_EQ(unittest::FOREIGN_LITE_BAR, message.default_foreign_enum());
  EXPECT_EQ(unittest_import::IMPORT_LITE_BAR, message.default_import_enum());


  EXPECT_FALSE(message.has_oneof_uint32());
  EXPECT_FALSE(message.has_oneof_nested_message());
  EXPECT_FALSE(message.has_oneof_string());
  EXPECT_FALSE(message.has_oneof_bytes());
}

// -------------------------------------------------------------------

void TestUtilLite::ExpectRepeatedFieldsModified(
    const unittest::TestAllTypesLite& message) {
  // ModifyRepeatedFields only sets the second repeated element of each
  // field.  In addition to verifying this, we also verify that the first
  // element and size were *not* modified.
  ASSERT_EQ(2, message.repeated_int32_size());
  ASSERT_EQ(2, message.repeated_int64_size());
  ASSERT_EQ(2, message.repeated_uint32_size());
  ASSERT_EQ(2, message.repeated_uint64_size());
  ASSERT_EQ(2, message.repeated_sint32_size());
  ASSERT_EQ(2, message.repeated_sint64_size());
  ASSERT_EQ(2, message.repeated_fixed32_size());
  ASSERT_EQ(2, message.repeated_fixed64_size());
  ASSERT_EQ(2, message.repeated_sfixed32_size());
  ASSERT_EQ(2, message.repeated_sfixed64_size());
  ASSERT_EQ(2, message.repeated_float_size());
  ASSERT_EQ(2, message.repeated_double_size());
  ASSERT_EQ(2, message.repeated_bool_size());
  ASSERT_EQ(2, message.repeated_string_size());
  ASSERT_EQ(2, message.repeated_bytes_size());

  ASSERT_EQ(2, message.repeatedgroup_size());
  ASSERT_EQ(2, message.repeated_nested_message_size());
  ASSERT_EQ(2, message.repeated_foreign_message_size());
  ASSERT_EQ(2, message.repeated_import_message_size());
  ASSERT_EQ(2, message.repeated_lazy_message_size());
  ASSERT_EQ(2, message.repeated_nested_enum_size());
  ASSERT_EQ(2, message.repeated_foreign_enum_size());
  ASSERT_EQ(2, message.repeated_import_enum_size());


  EXPECT_EQ(201, message.repeated_int32(0));
  EXPECT_EQ(202, message.repeated_int64(0));
  EXPECT_EQ(203, message.repeated_uint32(0));
  EXPECT_EQ(204, message.repeated_uint64(0));
  EXPECT_EQ(205, message.repeated_sint32(0));
  EXPECT_EQ(206, message.repeated_sint64(0));
  EXPECT_EQ(207, message.repeated_fixed32(0));
  EXPECT_EQ(208, message.repeated_fixed64(0));
  EXPECT_EQ(209, message.repeated_sfixed32(0));
  EXPECT_EQ(210, message.repeated_sfixed64(0));
  EXPECT_EQ(211, message.repeated_float(0));
  EXPECT_EQ(212, message.repeated_double(0));
  EXPECT_EQ(true, message.repeated_bool(0));
  EXPECT_EQ("215", message.repeated_string(0));
  EXPECT_EQ("216", message.repeated_bytes(0));

  EXPECT_EQ(217, message.repeatedgroup(0).a());
  EXPECT_EQ(218, message.repeated_nested_message(0).bb());
  EXPECT_EQ(219, message.repeated_foreign_message(0).c());
  EXPECT_EQ(220, message.repeated_import_message(0).d());
  EXPECT_EQ(227, message.repeated_lazy_message(0).bb());

  EXPECT_EQ(unittest::TestAllTypesLite::BAR, message.repeated_nested_enum(0));
  EXPECT_EQ(unittest::FOREIGN_LITE_BAR, message.repeated_foreign_enum(0));
  EXPECT_EQ(unittest_import::IMPORT_LITE_BAR, message.repeated_import_enum(0));


  // Actually verify the second (modified) elements now.
  EXPECT_EQ(501, message.repeated_int32(1));
  EXPECT_EQ(502, message.repeated_int64(1));
  EXPECT_EQ(503, message.repeated_uint32(1));
  EXPECT_EQ(504, message.repeated_uint64(1));
  EXPECT_EQ(505, message.repeated_sint32(1));
  EXPECT_EQ(506, message.repeated_sint64(1));
  EXPECT_EQ(507, message.repeated_fixed32(1));
  EXPECT_EQ(508, message.repeated_fixed64(1));
  EXPECT_EQ(509, message.repeated_sfixed32(1));
  EXPECT_EQ(510, message.repeated_sfixed64(1));
  EXPECT_EQ(511, message.repeated_float(1));
  EXPECT_EQ(512, message.repeated_double(1));
  EXPECT_EQ(true, message.repeated_bool(1));
  EXPECT_EQ("515", message.repeated_string(1));
  EXPECT_EQ("516", message.repeated_bytes(1));

  EXPECT_EQ(517, message.repeatedgroup(1).a());
  EXPECT_EQ(518, message.repeated_nested_message(1).bb());
  EXPECT_EQ(519, message.repeated_foreign_message(1).c());
  EXPECT_EQ(520, message.repeated_import_message(1).d());
  EXPECT_EQ(527, message.repeated_lazy_message(1).bb());

  EXPECT_EQ(unittest::TestAllTypesLite::FOO, message.repeated_nested_enum(1));
  EXPECT_EQ(unittest::FOREIGN_LITE_FOO, message.repeated_foreign_enum(1));
  EXPECT_EQ(unittest_import::IMPORT_LITE_FOO, message.repeated_import_enum(1));

}

// -------------------------------------------------------------------

void TestUtilLite::SetPackedFields(unittest::TestPackedTypesLite* message) {
  message->add_packed_int32(601);
  message->add_packed_int64(602);
  message->add_packed_uint32(603);
  message->add_packed_uint64(604);
  message->add_packed_sint32(605);
  message->add_packed_sint64(606);
  message->add_packed_fixed32(607);
  message->add_packed_fixed64(608);
  message->add_packed_sfixed32(609);
  message->add_packed_sfixed64(610);
  message->add_packed_float(611);
  message->add_packed_double(612);
  message->add_packed_bool(true);
  message->add_packed_enum(unittest::FOREIGN_LITE_BAR);
  // add a second one of each field
  message->add_packed_int32(701);
  message->add_packed_int64(702);
  message->add_packed_uint32(703);
  message->add_packed_uint64(704);
  message->add_packed_sint32(705);
  message->add_packed_sint64(706);
  message->add_packed_fixed32(707);
  message->add_packed_fixed64(708);
  message->add_packed_sfixed32(709);
  message->add_packed_sfixed64(710);
  message->add_packed_float(711);
  message->add_packed_double(712);
  message->add_packed_bool(false);
  message->add_packed_enum(unittest::FOREIGN_LITE_BAZ);
}

// -------------------------------------------------------------------

void TestUtilLite::ModifyPackedFields(unittest::TestPackedTypesLite* message) {
  message->set_packed_int32(1, 801);
  message->set_packed_int64(1, 802);
  message->set_packed_uint32(1, 803);
  message->set_packed_uint64(1, 804);
  message->set_packed_sint32(1, 805);
  message->set_packed_sint64(1, 806);
  message->set_packed_fixed32(1, 807);
  message->set_packed_fixed64(1, 808);
  message->set_packed_sfixed32(1, 809);
  message->set_packed_sfixed64(1, 810);
  message->set_packed_float(1, 811);
  message->set_packed_double(1, 812);
  message->set_packed_bool(1, true);
  message->set_packed_enum(1, unittest::FOREIGN_LITE_FOO);
}

// -------------------------------------------------------------------

void TestUtilLite::ExpectPackedFieldsSet(
    const unittest::TestPackedTypesLite& message) {
  ASSERT_EQ(2, message.packed_int32_size());
  ASSERT_EQ(2, message.packed_int64_size());
  ASSERT_EQ(2, message.packed_uint32_size());
  ASSERT_EQ(2, message.packed_uint64_size());
  ASSERT_EQ(2, message.packed_sint32_size());
  ASSERT_EQ(2, message.packed_sint64_size());
  ASSERT_EQ(2, message.packed_fixed32_size());
  ASSERT_EQ(2, message.packed_fixed64_size());
  ASSERT_EQ(2, message.packed_sfixed32_size());
  ASSERT_EQ(2, message.packed_sfixed64_size());
  ASSERT_EQ(2, message.packed_float_size());
  ASSERT_EQ(2, message.packed_double_size());
  ASSERT_EQ(2, message.packed_bool_size());
  ASSERT_EQ(2, message.packed_enum_size());

  EXPECT_EQ(601, message.packed_int32(0));
  EXPECT_EQ(602, message.packed_int64(0));
  EXPECT_EQ(603, message.packed_uint32(0));
  EXPECT_EQ(604, message.packed_uint64(0));
  EXPECT_EQ(605, message.packed_sint32(0));
  EXPECT_EQ(606, message.packed_sint64(0));
  EXPECT_EQ(607, message.packed_fixed32(0));
  EXPECT_EQ(608, message.packed_fixed64(0));
  EXPECT_EQ(609, message.packed_sfixed32(0));
  EXPECT_EQ(610, message.packed_sfixed64(0));
  EXPECT_EQ(611, message.packed_float(0));
  EXPECT_EQ(612, message.packed_double(0));
  EXPECT_EQ(true, message.packed_bool(0));
  EXPECT_EQ(unittest::FOREIGN_LITE_BAR, message.packed_enum(0));

  EXPECT_EQ(701, message.packed_int32(1));
  EXPECT_EQ(702, message.packed_int64(1));
  EXPECT_EQ(703, message.packed_uint32(1));
  EXPECT_EQ(704, message.packed_uint64(1));
  EXPECT_EQ(705, message.packed_sint32(1));
  EXPECT_EQ(706, message.packed_sint64(1));
  EXPECT_EQ(707, message.packed_fixed32(1));
  EXPECT_EQ(708, message.packed_fixed64(1));
  EXPECT_EQ(709, message.packed_sfixed32(1));
  EXPECT_EQ(710, message.packed_sfixed64(1));
  EXPECT_EQ(711, message.packed_float(1));
  EXPECT_EQ(712, message.packed_double(1));
  EXPECT_FALSE(message.packed_bool(1));
  EXPECT_EQ(unittest::FOREIGN_LITE_BAZ, message.packed_enum(1));
}

// -------------------------------------------------------------------

void TestUtilLite::ExpectPackedClear(
    const unittest::TestPackedTypesLite& message) {
  // Packed repeated fields are empty.
  EXPECT_EQ(0, message.packed_int32_size());
  EXPECT_EQ(0, message.packed_int64_size());
  EXPECT_EQ(0, message.packed_uint32_size());
  EXPECT_EQ(0, message.packed_uint64_size());
  EXPECT_EQ(0, message.packed_sint32_size());
  EXPECT_EQ(0, message.packed_sint64_size());
  EXPECT_EQ(0, message.packed_fixed32_size());
  EXPECT_EQ(0, message.packed_fixed64_size());
  EXPECT_EQ(0, message.packed_sfixed32_size());
  EXPECT_EQ(0, message.packed_sfixed64_size());
  EXPECT_EQ(0, message.packed_float_size());
  EXPECT_EQ(0, message.packed_double_size());
  EXPECT_EQ(0, message.packed_bool_size());
  EXPECT_EQ(0, message.packed_enum_size());
}

// -------------------------------------------------------------------

void TestUtilLite::ExpectPackedFieldsModified(
    const unittest::TestPackedTypesLite& message) {
  // Do the same for packed repeated fields.
  ASSERT_EQ(2, message.packed_int32_size());
  ASSERT_EQ(2, message.packed_int64_size());
  ASSERT_EQ(2, message.packed_uint32_size());
  ASSERT_EQ(2, message.packed_uint64_size());
  ASSERT_EQ(2, message.packed_sint32_size());
  ASSERT_EQ(2, message.packed_sint64_size());
  ASSERT_EQ(2, message.packed_fixed32_size());
  ASSERT_EQ(2, message.packed_fixed64_size());
  ASSERT_EQ(2, message.packed_sfixed32_size());
  ASSERT_EQ(2, message.packed_sfixed64_size());
  ASSERT_EQ(2, message.packed_float_size());
  ASSERT_EQ(2, message.packed_double_size());
  ASSERT_EQ(2, message.packed_bool_size());
  ASSERT_EQ(2, message.packed_enum_size());

  EXPECT_EQ(601, message.packed_int32(0));
  EXPECT_EQ(602, message.packed_int64(0));
  EXPECT_EQ(603, message.packed_uint32(0));
  EXPECT_EQ(604, message.packed_uint64(0));
  EXPECT_EQ(605, message.packed_sint32(0));
  EXPECT_EQ(606, message.packed_sint64(0));
  EXPECT_EQ(607, message.packed_fixed32(0));
  EXPECT_EQ(608, message.packed_fixed64(0));
  EXPECT_EQ(609, message.packed_sfixed32(0));
  EXPECT_EQ(610, message.packed_sfixed64(0));
  EXPECT_EQ(611, message.packed_float(0));
  EXPECT_EQ(612, message.packed_double(0));
  EXPECT_EQ(true, message.packed_bool(0));
  EXPECT_EQ(unittest::FOREIGN_LITE_BAR, message.packed_enum(0));
  // Actually verify the second (modified) elements now.
  EXPECT_EQ(801, message.packed_int32(1));
  EXPECT_EQ(802, message.packed_int64(1));
  EXPECT_EQ(803, message.packed_uint32(1));
  EXPECT_EQ(804, message.packed_uint64(1));
  EXPECT_EQ(805, message.packed_sint32(1));
  EXPECT_EQ(806, message.packed_sint64(1));
  EXPECT_EQ(807, message.packed_fixed32(1));
  EXPECT_EQ(808, message.packed_fixed64(1));
  EXPECT_EQ(809, message.packed_sfixed32(1));
  EXPECT_EQ(810, message.packed_sfixed64(1));
  EXPECT_EQ(811, message.packed_float(1));
  EXPECT_EQ(812, message.packed_double(1));
  EXPECT_EQ(true, message.packed_bool(1));
  EXPECT_EQ(unittest::FOREIGN_LITE_FOO, message.packed_enum(1));
}

// ===================================================================
// Extensions
//
// All this code is exactly equivalent to the above code except that it's
// manipulating extension fields instead of normal ones.
//
// I gave up on the 80-char limit here.  Sorry.

void TestUtilLite::SetAllExtensions(unittest::TestAllExtensionsLite* message) {
  message->SetExtension(unittest::optional_int32_extension_lite, 101);
  message->SetExtension(unittest::optional_int64_extension_lite, 102);
  message->SetExtension(unittest::optional_uint32_extension_lite, 103);
  message->SetExtension(unittest::optional_uint64_extension_lite, 104);
  message->SetExtension(unittest::optional_sint32_extension_lite, 105);
  message->SetExtension(unittest::optional_sint64_extension_lite, 106);
  message->SetExtension(unittest::optional_fixed32_extension_lite, 107);
  message->SetExtension(unittest::optional_fixed64_extension_lite, 108);
  message->SetExtension(unittest::optional_sfixed32_extension_lite, 109);
  message->SetExtension(unittest::optional_sfixed64_extension_lite, 110);
  message->SetExtension(unittest::optional_float_extension_lite, 111);
  message->SetExtension(unittest::optional_double_extension_lite, 112);
  message->SetExtension(unittest::optional_bool_extension_lite, true);
  message->SetExtension(unittest::optional_string_extension_lite, "115");
  message->SetExtension(unittest::optional_bytes_extension_lite, "116");

  message->MutableExtension(unittest::optionalgroup_extension_lite)->set_a(117);
  message->MutableExtension(unittest::optional_nested_message_extension_lite)
      ->set_bb(118);
  message->MutableExtension(unittest::optional_foreign_message_extension_lite)
      ->set_c(119);
  message->MutableExtension(unittest::optional_import_message_extension_lite)
      ->set_d(120);
  message
      ->MutableExtension(
          unittest::optional_public_import_message_extension_lite)
      ->set_e(126);
  message->MutableExtension(unittest::optional_lazy_message_extension_lite)
      ->set_bb(127);
  message
      ->MutableExtension(
          unittest::optional_unverified_lazy_message_extension_lite)
      ->set_bb(128);

  message->SetExtension(unittest::optional_nested_enum_extension_lite,
                        unittest::TestAllTypesLite::BAZ);
  message->SetExtension(unittest::optional_foreign_enum_extension_lite,
                        unittest::FOREIGN_LITE_BAZ);
  message->SetExtension(unittest::optional_import_enum_extension_lite,
                        unittest_import::IMPORT_LITE_BAZ);


  // -----------------------------------------------------------------

  message->AddExtension(unittest::repeated_int32_extension_lite, 201);
  message->AddExtension(unittest::repeated_int64_extension_lite, 202);
  message->AddExtension(unittest::repeated_uint32_extension_lite, 203);
  message->AddExtension(unittest::repeated_uint64_extension_lite, 204);
  message->AddExtension(unittest::repeated_sint32_extension_lite, 205);
  message->AddExtension(unittest::repeated_sint64_extension_lite, 206);
  message->AddExtension(unittest::repeated_fixed32_extension_lite, 207);
  message->AddExtension(unittest::repeated_fixed64_extension_lite, 208);
  message->AddExtension(unittest::repeated_sfixed32_extension_lite, 209);
  message->AddExtension(unittest::repeated_sfixed64_extension_lite, 210);
  message->AddExtension(unittest::repeated_float_extension_lite, 211);
  message->AddExtension(unittest::repeated_double_extension_lite, 212);
  message->AddExtension(unittest::repeated_bool_extension_lite, true);
  message->AddExtension(unittest::repeated_string_extension_lite, "215");
  message->AddExtension(unittest::repeated_bytes_extension_lite, "216");

  message->AddExtension(unittest::repeatedgroup_extension_lite)->set_a(217);
  message->AddExtension(unittest::repeated_nested_message_extension_lite)
      ->set_bb(218);
  message->AddExtension(unittest::repeated_foreign_message_extension_lite)
      ->set_c(219);
  message->AddExtension(unittest::repeated_import_message_extension_lite)
      ->set_d(220);
  message->AddExtension(unittest::repeated_lazy_message_extension_lite)
      ->set_bb(227);

  message->AddExtension(unittest::repeated_nested_enum_extension_lite,
                        unittest::TestAllTypesLite::BAR);
  message->AddExtension(unittest::repeated_foreign_enum_extension_lite,
                        unittest::FOREIGN_LITE_BAR);
  message->AddExtension(unittest::repeated_import_enum_extension_lite,
                        unittest_import::IMPORT_LITE_BAR);


  // Add a second one of each field.
  message->AddExtension(unittest::repeated_int32_extension_lite, 301);
  message->AddExtension(unittest::repeated_int64_extension_lite, 302);
  message->AddExtension(unittest::repeated_uint32_extension_lite, 303);
  message->AddExtension(unittest::repeated_uint64_extension_lite, 304);
  message->AddExtension(unittest::repeated_sint32_extension_lite, 305);
  message->AddExtension(unittest::repeated_sint64_extension_lite, 306);
  message->AddExtension(unittest::repeated_fixed32_extension_lite, 307);
  message->AddExtension(unittest::repeated_fixed64_extension_lite, 308);
  message->AddExtension(unittest::repeated_sfixed32_extension_lite, 309);
  message->AddExtension(unittest::repeated_sfixed64_extension_lite, 310);
  message->AddExtension(unittest::repeated_float_extension_lite, 311);
  message->AddExtension(unittest::repeated_double_extension_lite, 312);
  message->AddExtension(unittest::repeated_bool_extension_lite, false);
  message->AddExtension(unittest::repeated_string_extension_lite, "315");
  message->AddExtension(unittest::repeated_bytes_extension_lite, "316");

  message->AddExtension(unittest::repeatedgroup_extension_lite)->set_a(317);
  message->AddExtension(unittest::repeated_nested_message_extension_lite)
      ->set_bb(318);
  message->AddExtension(unittest::repeated_foreign_message_extension_lite)
      ->set_c(319);
  message->AddExtension(unittest::repeated_import_message_extension_lite)
      ->set_d(320);
  message->AddExtension(unittest::repeated_lazy_message_extension_lite)
      ->set_bb(327);

  message->AddExtension(unittest::repeated_nested_enum_extension_lite,
                        unittest::TestAllTypesLite::BAZ);
  message->AddExtension(unittest::repeated_foreign_enum_extension_lite,
                        unittest::FOREIGN_LITE_BAZ);
  message->AddExtension(unittest::repeated_import_enum_extension_lite,
                        unittest_import::IMPORT_LITE_BAZ);


  // -----------------------------------------------------------------

  message->SetExtension(unittest::default_int32_extension_lite, 401);
  message->SetExtension(unittest::default_int64_extension_lite, 402);
  message->SetExtension(unittest::default_uint32_extension_lite, 403);
  message->SetExtension(unittest::default_uint64_extension_lite, 404);
  message->SetExtension(unittest::default_sint32_extension_lite, 405);
  message->SetExtension(unittest::default_sint64_extension_lite, 406);
  message->SetExtension(unittest::default_fixed32_extension_lite, 407);
  message->SetExtension(unittest::default_fixed64_extension_lite, 408);
  message->SetExtension(unittest::default_sfixed32_extension_lite, 409);
  message->SetExtension(unittest::default_sfixed64_extension_lite, 410);
  message->SetExtension(unittest::default_float_extension_lite, 411);
  message->SetExtension(unittest::default_double_extension_lite, 412);
  message->SetExtension(unittest::default_bool_extension_lite, false);
  message->SetExtension(unittest::default_string_extension_lite, "415");
  message->SetExtension(unittest::default_bytes_extension_lite, "416");

  message->SetExtension(unittest::default_nested_enum_extension_lite,
                        unittest::TestAllTypesLite::FOO);
  message->SetExtension(unittest::default_foreign_enum_extension_lite,
                        unittest::FOREIGN_LITE_FOO);
  message->SetExtension(unittest::default_import_enum_extension_lite,
                        unittest_import::IMPORT_LITE_FOO);


  message->SetExtension(unittest::oneof_uint32_extension_lite, 601);
  message->MutableExtension(unittest::oneof_nested_message_extension_lite)
      ->set_bb(602);
  ;
  message->SetExtension(unittest::oneof_string_extension_lite, "603");
  message->SetExtension(unittest::oneof_bytes_extension_lite, "604");
}

// -------------------------------------------------------------------

void TestUtilLite::ModifyRepeatedExtensions(
    unittest::TestAllExtensionsLite* message) {
  message->SetExtension(unittest::repeated_int32_extension_lite, 1, 501);
  message->SetExtension(unittest::repeated_int64_extension_lite, 1, 502);
  message->SetExtension(unittest::repeated_uint32_extension_lite, 1, 503);
  message->SetExtension(unittest::repeated_uint64_extension_lite, 1, 504);
  message->SetExtension(unittest::repeated_sint32_extension_lite, 1, 505);
  message->SetExtension(unittest::repeated_sint64_extension_lite, 1, 506);
  message->SetExtension(unittest::repeated_fixed32_extension_lite, 1, 507);
  message->SetExtension(unittest::repeated_fixed64_extension_lite, 1, 508);
  message->SetExtension(unittest::repeated_sfixed32_extension_lite, 1, 509);
  message->SetExtension(unittest::repeated_sfixed64_extension_lite, 1, 510);
  message->SetExtension(unittest::repeated_float_extension_lite, 1, 511);
  message->SetExtension(unittest::repeated_double_extension_lite, 1, 512);
  message->SetExtension(unittest::repeated_bool_extension_lite, 1, true);
  message->SetExtension(unittest::repeated_string_extension_lite, 1, "515");
  message->SetExtension(unittest::repeated_bytes_extension_lite, 1, "516");

  message->MutableExtension(unittest::repeatedgroup_extension_lite, 1)
      ->set_a(517);
  message->MutableExtension(unittest::repeated_nested_message_extension_lite, 1)
      ->set_bb(518);
  message
      ->MutableExtension(unittest::repeated_foreign_message_extension_lite, 1)
      ->set_c(519);
  message->MutableExtension(unittest::repeated_import_message_extension_lite, 1)
      ->set_d(520);
  message->MutableExtension(unittest::repeated_lazy_message_extension_lite, 1)
      ->set_bb(527);

  message->SetExtension(unittest::repeated_nested_enum_extension_lite, 1,
                        unittest::TestAllTypesLite::FOO);
  message->SetExtension(unittest::repeated_foreign_enum_extension_lite, 1,
                        unittest::FOREIGN_LITE_FOO);
  message->SetExtension(unittest::repeated_import_enum_extension_lite, 1,
                        unittest_import::IMPORT_LITE_FOO);

}

// -------------------------------------------------------------------

void TestUtilLite::ExpectAllExtensionsSet(
    const unittest::TestAllExtensionsLite& message) {
  EXPECT_TRUE(message.HasExtension(unittest::optional_int32_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::optional_int64_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::optional_uint32_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::optional_uint64_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::optional_sint32_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::optional_sint64_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::optional_fixed32_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::optional_fixed64_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::optional_sfixed32_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::optional_sfixed64_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::optional_float_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::optional_double_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::optional_bool_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::optional_string_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::optional_bytes_extension_lite));

  EXPECT_TRUE(message.HasExtension(unittest::optionalgroup_extension_lite));
  EXPECT_TRUE(
      message.HasExtension(unittest::optional_nested_message_extension_lite));
  EXPECT_TRUE(
      message.HasExtension(unittest::optional_foreign_message_extension_lite));
  EXPECT_TRUE(
      message.HasExtension(unittest::optional_import_message_extension_lite));
  EXPECT_TRUE(message.HasExtension(
      unittest::optional_public_import_message_extension_lite));
  EXPECT_TRUE(
      message.HasExtension(unittest::optional_lazy_message_extension_lite));
  EXPECT_TRUE(message.HasExtension(
      unittest::optional_unverified_lazy_message_extension_lite));

  EXPECT_TRUE(
      message.GetExtension(unittest::optionalgroup_extension_lite).has_a());
  EXPECT_TRUE(
      message.GetExtension(unittest::optional_nested_message_extension_lite)
          .has_bb());
  EXPECT_TRUE(
      message.GetExtension(unittest::optional_foreign_message_extension_lite)
          .has_c());
  EXPECT_TRUE(
      message.GetExtension(unittest::optional_import_message_extension_lite)
          .has_d());
  EXPECT_TRUE(
      message
          .GetExtension(unittest::optional_public_import_message_extension_lite)
          .has_e());
  EXPECT_TRUE(
      message.GetExtension(unittest::optional_lazy_message_extension_lite)
          .has_bb());
  EXPECT_TRUE(message
                  .GetExtension(
                      unittest::optional_unverified_lazy_message_extension_lite)
                  .has_bb());

  EXPECT_TRUE(
      message.HasExtension(unittest::optional_nested_enum_extension_lite));
  EXPECT_TRUE(
      message.HasExtension(unittest::optional_foreign_enum_extension_lite));
  EXPECT_TRUE(
      message.HasExtension(unittest::optional_import_enum_extension_lite));


  EXPECT_EQ(101, message.GetExtension(unittest::optional_int32_extension_lite));
  EXPECT_EQ(102, message.GetExtension(unittest::optional_int64_extension_lite));
  EXPECT_EQ(103,
            message.GetExtension(unittest::optional_uint32_extension_lite));
  EXPECT_EQ(104,
            message.GetExtension(unittest::optional_uint64_extension_lite));
  EXPECT_EQ(105,
            message.GetExtension(unittest::optional_sint32_extension_lite));
  EXPECT_EQ(106,
            message.GetExtension(unittest::optional_sint64_extension_lite));
  EXPECT_EQ(107,
            message.GetExtension(unittest::optional_fixed32_extension_lite));
  EXPECT_EQ(108,
            message.GetExtension(unittest::optional_fixed64_extension_lite));
  EXPECT_EQ(109,
            message.GetExtension(unittest::optional_sfixed32_extension_lite));
  EXPECT_EQ(110,
            message.GetExtension(unittest::optional_sfixed64_extension_lite));
  EXPECT_EQ(111, message.GetExtension(unittest::optional_float_extension_lite));
  EXPECT_EQ(112,
            message.GetExtension(unittest::optional_double_extension_lite));
  EXPECT_EQ(true, message.GetExtension(unittest::optional_bool_extension_lite));
  EXPECT_EQ("115",
            message.GetExtension(unittest::optional_string_extension_lite));
  EXPECT_EQ("116",
            message.GetExtension(unittest::optional_bytes_extension_lite));

  EXPECT_EQ(117,
            message.GetExtension(unittest::optionalgroup_extension_lite).a());
  EXPECT_EQ(
      118,
      message.GetExtension(unittest::optional_nested_message_extension_lite)
          .bb());
  EXPECT_EQ(
      119,
      message.GetExtension(unittest::optional_foreign_message_extension_lite)
          .c());
  EXPECT_EQ(
      120,
      message.GetExtension(unittest::optional_import_message_extension_lite)
          .d());
  EXPECT_EQ(
      126,
      message
          .GetExtension(unittest::optional_public_import_message_extension_lite)
          .e());
  EXPECT_EQ(127,
            message.GetExtension(unittest::optional_lazy_message_extension_lite)
                .bb());
  EXPECT_EQ(128,
            message
                .GetExtension(
                    unittest::optional_unverified_lazy_message_extension_lite)
                .bb());

  EXPECT_EQ(
      unittest::TestAllTypesLite::BAZ,
      message.GetExtension(unittest::optional_nested_enum_extension_lite));
  EXPECT_EQ(
      unittest::FOREIGN_LITE_BAZ,
      message.GetExtension(unittest::optional_foreign_enum_extension_lite));
  EXPECT_EQ(
      unittest_import::IMPORT_LITE_BAZ,
      message.GetExtension(unittest::optional_import_enum_extension_lite));


  // -----------------------------------------------------------------

  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_int32_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_int64_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_uint32_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_uint64_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_sint32_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_sint64_extension_lite));
  ASSERT_EQ(2,
            message.ExtensionSize(unittest::repeated_fixed32_extension_lite));
  ASSERT_EQ(2,
            message.ExtensionSize(unittest::repeated_fixed64_extension_lite));
  ASSERT_EQ(2,
            message.ExtensionSize(unittest::repeated_sfixed32_extension_lite));
  ASSERT_EQ(2,
            message.ExtensionSize(unittest::repeated_sfixed64_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_float_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_double_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_bool_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_string_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_bytes_extension_lite));

  ASSERT_EQ(2, message.ExtensionSize(unittest::repeatedgroup_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(
                   unittest::repeated_nested_message_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(
                   unittest::repeated_foreign_message_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(
                   unittest::repeated_import_message_extension_lite));
  ASSERT_EQ(
      2, message.ExtensionSize(unittest::repeated_lazy_message_extension_lite));
  ASSERT_EQ(
      2, message.ExtensionSize(unittest::repeated_nested_enum_extension_lite));
  ASSERT_EQ(
      2, message.ExtensionSize(unittest::repeated_foreign_enum_extension_lite));
  ASSERT_EQ(
      2, message.ExtensionSize(unittest::repeated_import_enum_extension_lite));


  EXPECT_EQ(201,
            message.GetExtension(unittest::repeated_int32_extension_lite, 0));
  EXPECT_EQ(202,
            message.GetExtension(unittest::repeated_int64_extension_lite, 0));
  EXPECT_EQ(203,
            message.GetExtension(unittest::repeated_uint32_extension_lite, 0));
  EXPECT_EQ(204,
            message.GetExtension(unittest::repeated_uint64_extension_lite, 0));
  EXPECT_EQ(205,
            message.GetExtension(unittest::repeated_sint32_extension_lite, 0));
  EXPECT_EQ(206,
            message.GetExtension(unittest::repeated_sint64_extension_lite, 0));
  EXPECT_EQ(207,
            message.GetExtension(unittest::repeated_fixed32_extension_lite, 0));
  EXPECT_EQ(208,
            message.GetExtension(unittest::repeated_fixed64_extension_lite, 0));
  EXPECT_EQ(
      209, message.GetExtension(unittest::repeated_sfixed32_extension_lite, 0));
  EXPECT_EQ(
      210, message.GetExtension(unittest::repeated_sfixed64_extension_lite, 0));
  EXPECT_EQ(211,
            message.GetExtension(unittest::repeated_float_extension_lite, 0));
  EXPECT_EQ(212,
            message.GetExtension(unittest::repeated_double_extension_lite, 0));
  EXPECT_EQ(true,
            message.GetExtension(unittest::repeated_bool_extension_lite, 0));
  EXPECT_EQ("215",
            message.GetExtension(unittest::repeated_string_extension_lite, 0));
  EXPECT_EQ("216",
            message.GetExtension(unittest::repeated_bytes_extension_lite, 0));

  EXPECT_EQ(
      217, message.GetExtension(unittest::repeatedgroup_extension_lite, 0).a());
  EXPECT_EQ(
      218,
      message.GetExtension(unittest::repeated_nested_message_extension_lite, 0)
          .bb());
  EXPECT_EQ(
      219,
      message.GetExtension(unittest::repeated_foreign_message_extension_lite, 0)
          .c());
  EXPECT_EQ(
      220,
      message.GetExtension(unittest::repeated_import_message_extension_lite, 0)
          .d());
  EXPECT_EQ(
      227,
      message.GetExtension(unittest::repeated_lazy_message_extension_lite, 0)
          .bb());

  EXPECT_EQ(
      unittest::TestAllTypesLite::BAR,
      message.GetExtension(unittest::repeated_nested_enum_extension_lite, 0));
  EXPECT_EQ(
      unittest::FOREIGN_LITE_BAR,
      message.GetExtension(unittest::repeated_foreign_enum_extension_lite, 0));
  EXPECT_EQ(
      unittest_import::IMPORT_LITE_BAR,
      message.GetExtension(unittest::repeated_import_enum_extension_lite, 0));


  EXPECT_EQ(301,
            message.GetExtension(unittest::repeated_int32_extension_lite, 1));
  EXPECT_EQ(302,
            message.GetExtension(unittest::repeated_int64_extension_lite, 1));
  EXPECT_EQ(303,
            message.GetExtension(unittest::repeated_uint32_extension_lite, 1));
  EXPECT_EQ(304,
            message.GetExtension(unittest::repeated_uint64_extension_lite, 1));
  EXPECT_EQ(305,
            message.GetExtension(unittest::repeated_sint32_extension_lite, 1));
  EXPECT_EQ(306,
            message.GetExtension(unittest::repeated_sint64_extension_lite, 1));
  EXPECT_EQ(307,
            message.GetExtension(unittest::repeated_fixed32_extension_lite, 1));
  EXPECT_EQ(308,
            message.GetExtension(unittest::repeated_fixed64_extension_lite, 1));
  EXPECT_EQ(
      309, message.GetExtension(unittest::repeated_sfixed32_extension_lite, 1));
  EXPECT_EQ(
      310, message.GetExtension(unittest::repeated_sfixed64_extension_lite, 1));
  EXPECT_EQ(311,
            message.GetExtension(unittest::repeated_float_extension_lite, 1));
  EXPECT_EQ(312,
            message.GetExtension(unittest::repeated_double_extension_lite, 1));
  EXPECT_FALSE(message.GetExtension(unittest::repeated_bool_extension_lite, 1));
  EXPECT_EQ("315",
            message.GetExtension(unittest::repeated_string_extension_lite, 1));
  EXPECT_EQ("316",
            message.GetExtension(unittest::repeated_bytes_extension_lite, 1));

  EXPECT_EQ(
      317, message.GetExtension(unittest::repeatedgroup_extension_lite, 1).a());
  EXPECT_EQ(
      318,
      message.GetExtension(unittest::repeated_nested_message_extension_lite, 1)
          .bb());
  EXPECT_EQ(
      319,
      message.GetExtension(unittest::repeated_foreign_message_extension_lite, 1)
          .c());
  EXPECT_EQ(
      320,
      message.GetExtension(unittest::repeated_import_message_extension_lite, 1)
          .d());
  EXPECT_EQ(
      327,
      message.GetExtension(unittest::repeated_lazy_message_extension_lite, 1)
          .bb());

  EXPECT_EQ(
      unittest::TestAllTypesLite::BAZ,
      message.GetExtension(unittest::repeated_nested_enum_extension_lite, 1));
  EXPECT_EQ(
      unittest::FOREIGN_LITE_BAZ,
      message.GetExtension(unittest::repeated_foreign_enum_extension_lite, 1));
  EXPECT_EQ(
      unittest_import::IMPORT_LITE_BAZ,
      message.GetExtension(unittest::repeated_import_enum_extension_lite, 1));


  // -----------------------------------------------------------------

  EXPECT_TRUE(message.HasExtension(unittest::default_int32_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::default_int64_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::default_uint32_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::default_uint64_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::default_sint32_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::default_sint64_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::default_fixed32_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::default_fixed64_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::default_sfixed32_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::default_sfixed64_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::default_float_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::default_double_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::default_bool_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::default_string_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::default_bytes_extension_lite));

  EXPECT_TRUE(
      message.HasExtension(unittest::default_nested_enum_extension_lite));
  EXPECT_TRUE(
      message.HasExtension(unittest::default_foreign_enum_extension_lite));
  EXPECT_TRUE(
      message.HasExtension(unittest::default_import_enum_extension_lite));


  EXPECT_EQ(401, message.GetExtension(unittest::default_int32_extension_lite));
  EXPECT_EQ(402, message.GetExtension(unittest::default_int64_extension_lite));
  EXPECT_EQ(403, message.GetExtension(unittest::default_uint32_extension_lite));
  EXPECT_EQ(404, message.GetExtension(unittest::default_uint64_extension_lite));
  EXPECT_EQ(405, message.GetExtension(unittest::default_sint32_extension_lite));
  EXPECT_EQ(406, message.GetExtension(unittest::default_sint64_extension_lite));
  EXPECT_EQ(407,
            message.GetExtension(unittest::default_fixed32_extension_lite));
  EXPECT_EQ(408,
            message.GetExtension(unittest::default_fixed64_extension_lite));
  EXPECT_EQ(409,
            message.GetExtension(unittest::default_sfixed32_extension_lite));
  EXPECT_EQ(410,
            message.GetExtension(unittest::default_sfixed64_extension_lite));
  EXPECT_EQ(411, message.GetExtension(unittest::default_float_extension_lite));
  EXPECT_EQ(412, message.GetExtension(unittest::default_double_extension_lite));
  EXPECT_FALSE(message.GetExtension(unittest::default_bool_extension_lite));
  EXPECT_EQ("415",
            message.GetExtension(unittest::default_string_extension_lite));
  EXPECT_EQ("416",
            message.GetExtension(unittest::default_bytes_extension_lite));

  EXPECT_EQ(unittest::TestAllTypesLite::FOO,
            message.GetExtension(unittest::default_nested_enum_extension_lite));
  EXPECT_EQ(
      unittest::FOREIGN_LITE_FOO,
      message.GetExtension(unittest::default_foreign_enum_extension_lite));
  EXPECT_EQ(unittest_import::IMPORT_LITE_FOO,
            message.GetExtension(unittest::default_import_enum_extension_lite));


  EXPECT_TRUE(message.HasExtension(unittest::oneof_uint32_extension_lite));
  EXPECT_TRUE(
      message.GetExtension(unittest::oneof_nested_message_extension_lite)
          .has_bb());
  EXPECT_TRUE(message.HasExtension(unittest::oneof_string_extension_lite));
  EXPECT_TRUE(message.HasExtension(unittest::oneof_bytes_extension_lite));

  EXPECT_EQ(601, message.GetExtension(unittest::oneof_uint32_extension_lite));
  EXPECT_EQ(
      602,
      message.GetExtension(unittest::oneof_nested_message_extension_lite).bb());
  EXPECT_EQ("603", message.GetExtension(unittest::oneof_string_extension_lite));
  EXPECT_EQ("604", message.GetExtension(unittest::oneof_bytes_extension_lite));
}

// -------------------------------------------------------------------

void TestUtilLite::ExpectExtensionsClear(
    const unittest::TestAllExtensionsLite& message) {
  std::string serialized;
  ASSERT_TRUE(message.SerializeToString(&serialized));
  EXPECT_EQ("", serialized);
  EXPECT_EQ(0, message.ByteSizeLong());

  // has_blah() should initially be false for all optional fields.
  EXPECT_FALSE(message.HasExtension(unittest::optional_int32_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::optional_int64_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::optional_uint32_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::optional_uint64_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::optional_sint32_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::optional_sint64_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::optional_fixed32_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::optional_fixed64_extension_lite));
  EXPECT_FALSE(
      message.HasExtension(unittest::optional_sfixed32_extension_lite));
  EXPECT_FALSE(
      message.HasExtension(unittest::optional_sfixed64_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::optional_float_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::optional_double_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::optional_bool_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::optional_string_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::optional_bytes_extension_lite));

  EXPECT_FALSE(message.HasExtension(unittest::optionalgroup_extension_lite));
  EXPECT_FALSE(
      message.HasExtension(unittest::optional_nested_message_extension_lite));
  EXPECT_FALSE(
      message.HasExtension(unittest::optional_foreign_message_extension_lite));
  EXPECT_FALSE(
      message.HasExtension(unittest::optional_import_message_extension_lite));
  EXPECT_FALSE(message.HasExtension(
      unittest::optional_public_import_message_extension_lite));
  EXPECT_FALSE(
      message.HasExtension(unittest::optional_lazy_message_extension_lite));

  EXPECT_FALSE(
      message.HasExtension(unittest::optional_nested_enum_extension_lite));
  EXPECT_FALSE(
      message.HasExtension(unittest::optional_foreign_enum_extension_lite));
  EXPECT_FALSE(
      message.HasExtension(unittest::optional_import_enum_extension_lite));


  // Optional fields without defaults are set to zero or something like it.
  EXPECT_EQ(0, message.GetExtension(unittest::optional_int32_extension_lite));
  EXPECT_EQ(0, message.GetExtension(unittest::optional_int64_extension_lite));
  EXPECT_EQ(0, message.GetExtension(unittest::optional_uint32_extension_lite));
  EXPECT_EQ(0, message.GetExtension(unittest::optional_uint64_extension_lite));
  EXPECT_EQ(0, message.GetExtension(unittest::optional_sint32_extension_lite));
  EXPECT_EQ(0, message.GetExtension(unittest::optional_sint64_extension_lite));
  EXPECT_EQ(0, message.GetExtension(unittest::optional_fixed32_extension_lite));
  EXPECT_EQ(0, message.GetExtension(unittest::optional_fixed64_extension_lite));
  EXPECT_EQ(0,
            message.GetExtension(unittest::optional_sfixed32_extension_lite));
  EXPECT_EQ(0,
            message.GetExtension(unittest::optional_sfixed64_extension_lite));
  EXPECT_EQ(0, message.GetExtension(unittest::optional_float_extension_lite));
  EXPECT_EQ(0, message.GetExtension(unittest::optional_double_extension_lite));
  EXPECT_FALSE(message.GetExtension(unittest::optional_bool_extension_lite));
  EXPECT_EQ("", message.GetExtension(unittest::optional_string_extension_lite));
  EXPECT_EQ("", message.GetExtension(unittest::optional_bytes_extension_lite));

  // Embedded messages should also be clear.
  EXPECT_FALSE(
      message.GetExtension(unittest::optionalgroup_extension_lite).has_a());
  EXPECT_FALSE(
      message.GetExtension(unittest::optional_nested_message_extension_lite)
          .has_bb());
  EXPECT_FALSE(
      message.GetExtension(unittest::optional_foreign_message_extension_lite)
          .has_c());
  EXPECT_FALSE(
      message.GetExtension(unittest::optional_import_message_extension_lite)
          .has_d());
  EXPECT_FALSE(
      message
          .GetExtension(unittest::optional_public_import_message_extension_lite)
          .has_e());
  EXPECT_FALSE(
      message.GetExtension(unittest::optional_lazy_message_extension_lite)
          .has_bb());

  EXPECT_EQ(0,
            message.GetExtension(unittest::optionalgroup_extension_lite).a());
  EXPECT_EQ(
      0, message.GetExtension(unittest::optional_nested_message_extension_lite)
             .bb());
  EXPECT_EQ(
      0, message.GetExtension(unittest::optional_foreign_message_extension_lite)
             .c());
  EXPECT_EQ(
      0, message.GetExtension(unittest::optional_import_message_extension_lite)
             .d());
  EXPECT_EQ(0, message
                   .GetExtension(
                       unittest::optional_public_import_message_extension_lite)
                   .e());
  EXPECT_EQ(0,
            message.GetExtension(unittest::optional_lazy_message_extension_lite)
                .bb());

  // Enums without defaults are set to the first value in the enum.
  EXPECT_EQ(
      unittest::TestAllTypesLite::FOO,
      message.GetExtension(unittest::optional_nested_enum_extension_lite));
  EXPECT_EQ(
      unittest::FOREIGN_LITE_FOO,
      message.GetExtension(unittest::optional_foreign_enum_extension_lite));
  EXPECT_EQ(
      unittest_import::IMPORT_LITE_FOO,
      message.GetExtension(unittest::optional_import_enum_extension_lite));


  // Repeated fields are empty.
  EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_int32_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_int64_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_uint32_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_uint64_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_sint32_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_sint64_extension_lite));
  EXPECT_EQ(0,
            message.ExtensionSize(unittest::repeated_fixed32_extension_lite));
  EXPECT_EQ(0,
            message.ExtensionSize(unittest::repeated_fixed64_extension_lite));
  EXPECT_EQ(0,
            message.ExtensionSize(unittest::repeated_sfixed32_extension_lite));
  EXPECT_EQ(0,
            message.ExtensionSize(unittest::repeated_sfixed64_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_float_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_double_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_bool_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_string_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::repeated_bytes_extension_lite));

  EXPECT_EQ(0, message.ExtensionSize(unittest::repeatedgroup_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(
                   unittest::repeated_nested_message_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(
                   unittest::repeated_foreign_message_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(
                   unittest::repeated_import_message_extension_lite));
  EXPECT_EQ(
      0, message.ExtensionSize(unittest::repeated_lazy_message_extension_lite));
  EXPECT_EQ(
      0, message.ExtensionSize(unittest::repeated_nested_enum_extension_lite));
  EXPECT_EQ(
      0, message.ExtensionSize(unittest::repeated_foreign_enum_extension_lite));
  EXPECT_EQ(
      0, message.ExtensionSize(unittest::repeated_import_enum_extension_lite));


  // has_blah() should also be false for all default fields.
  EXPECT_FALSE(message.HasExtension(unittest::default_int32_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::default_int64_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::default_uint32_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::default_uint64_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::default_sint32_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::default_sint64_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::default_fixed32_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::default_fixed64_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::default_sfixed32_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::default_sfixed64_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::default_float_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::default_double_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::default_bool_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::default_string_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::default_bytes_extension_lite));

  EXPECT_FALSE(
      message.HasExtension(unittest::default_nested_enum_extension_lite));
  EXPECT_FALSE(
      message.HasExtension(unittest::default_foreign_enum_extension_lite));
  EXPECT_FALSE(
      message.HasExtension(unittest::default_import_enum_extension_lite));


  // Fields with defaults have their default values (duh).
  EXPECT_EQ(41, message.GetExtension(unittest::default_int32_extension_lite));
  EXPECT_EQ(42, message.GetExtension(unittest::default_int64_extension_lite));
  EXPECT_EQ(43, message.GetExtension(unittest::default_uint32_extension_lite));
  EXPECT_EQ(44, message.GetExtension(unittest::default_uint64_extension_lite));
  EXPECT_EQ(-45, message.GetExtension(unittest::default_sint32_extension_lite));
  EXPECT_EQ(46, message.GetExtension(unittest::default_sint64_extension_lite));
  EXPECT_EQ(47, message.GetExtension(unittest::default_fixed32_extension_lite));
  EXPECT_EQ(48, message.GetExtension(unittest::default_fixed64_extension_lite));
  EXPECT_EQ(49,
            message.GetExtension(unittest::default_sfixed32_extension_lite));
  EXPECT_EQ(-50,
            message.GetExtension(unittest::default_sfixed64_extension_lite));
  EXPECT_EQ(51.5, message.GetExtension(unittest::default_float_extension_lite));
  EXPECT_EQ(52e3,
            message.GetExtension(unittest::default_double_extension_lite));
  EXPECT_EQ(true, message.GetExtension(unittest::default_bool_extension_lite));
  EXPECT_EQ("hello",
            message.GetExtension(unittest::default_string_extension_lite));
  EXPECT_EQ("world",
            message.GetExtension(unittest::default_bytes_extension_lite));

  EXPECT_EQ(unittest::TestAllTypesLite::BAR,
            message.GetExtension(unittest::default_nested_enum_extension_lite));
  EXPECT_EQ(
      unittest::FOREIGN_LITE_BAR,
      message.GetExtension(unittest::default_foreign_enum_extension_lite));
  EXPECT_EQ(unittest_import::IMPORT_LITE_BAR,
            message.GetExtension(unittest::default_import_enum_extension_lite));


  EXPECT_FALSE(message.HasExtension(unittest::oneof_uint32_extension_lite));
  EXPECT_FALSE(
      message.GetExtension(unittest::oneof_nested_message_extension_lite)
          .has_bb());
  EXPECT_FALSE(message.HasExtension(unittest::oneof_string_extension_lite));
  EXPECT_FALSE(message.HasExtension(unittest::oneof_bytes_extension_lite));
}

// -------------------------------------------------------------------

void TestUtilLite::ExpectRepeatedExtensionsModified(
    const unittest::TestAllExtensionsLite& message) {
  // ModifyRepeatedFields only sets the second repeated element of each
  // field.  In addition to verifying this, we also verify that the first
  // element and size were *not* modified.
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_int32_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_int64_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_uint32_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_uint64_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_sint32_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_sint64_extension_lite));
  ASSERT_EQ(2,
            message.ExtensionSize(unittest::repeated_fixed32_extension_lite));
  ASSERT_EQ(2,
            message.ExtensionSize(unittest::repeated_fixed64_extension_lite));
  ASSERT_EQ(2,
            message.ExtensionSize(unittest::repeated_sfixed32_extension_lite));
  ASSERT_EQ(2,
            message.ExtensionSize(unittest::repeated_sfixed64_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_float_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_double_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_bool_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_string_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::repeated_bytes_extension_lite));

  ASSERT_EQ(2, message.ExtensionSize(unittest::repeatedgroup_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(
                   unittest::repeated_nested_message_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(
                   unittest::repeated_foreign_message_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(
                   unittest::repeated_import_message_extension_lite));
  ASSERT_EQ(
      2, message.ExtensionSize(unittest::repeated_lazy_message_extension_lite));
  ASSERT_EQ(
      2, message.ExtensionSize(unittest::repeated_nested_enum_extension_lite));
  ASSERT_EQ(
      2, message.ExtensionSize(unittest::repeated_foreign_enum_extension_lite));
  ASSERT_EQ(
      2, message.ExtensionSize(unittest::repeated_import_enum_extension_lite));


  EXPECT_EQ(201,
            message.GetExtension(unittest::repeated_int32_extension_lite, 0));
  EXPECT_EQ(202,
            message.GetExtension(unittest::repeated_int64_extension_lite, 0));
  EXPECT_EQ(203,
            message.GetExtension(unittest::repeated_uint32_extension_lite, 0));
  EXPECT_EQ(204,
            message.GetExtension(unittest::repeated_uint64_extension_lite, 0));
  EXPECT_EQ(205,
            message.GetExtension(unittest::repeated_sint32_extension_lite, 0));
  EXPECT_EQ(206,
            message.GetExtension(unittest::repeated_sint64_extension_lite, 0));
  EXPECT_EQ(207,
            message.GetExtension(unittest::repeated_fixed32_extension_lite, 0));
  EXPECT_EQ(208,
            message.GetExtension(unittest::repeated_fixed64_extension_lite, 0));
  EXPECT_EQ(
      209, message.GetExtension(unittest::repeated_sfixed32_extension_lite, 0));
  EXPECT_EQ(
      210, message.GetExtension(unittest::repeated_sfixed64_extension_lite, 0));
  EXPECT_EQ(211,
            message.GetExtension(unittest::repeated_float_extension_lite, 0));
  EXPECT_EQ(212,
            message.GetExtension(unittest::repeated_double_extension_lite, 0));
  EXPECT_EQ(true,
            message.GetExtension(unittest::repeated_bool_extension_lite, 0));
  EXPECT_EQ("215",
            message.GetExtension(unittest::repeated_string_extension_lite, 0));
  EXPECT_EQ("216",
            message.GetExtension(unittest::repeated_bytes_extension_lite, 0));

  EXPECT_EQ(
      217, message.GetExtension(unittest::repeatedgroup_extension_lite, 0).a());
  EXPECT_EQ(
      218,
      message.GetExtension(unittest::repeated_nested_message_extension_lite, 0)
          .bb());
  EXPECT_EQ(
      219,
      message.GetExtension(unittest::repeated_foreign_message_extension_lite, 0)
          .c());
  EXPECT_EQ(
      220,
      message.GetExtension(unittest::repeated_import_message_extension_lite, 0)
          .d());
  EXPECT_EQ(
      227,
      message.GetExtension(unittest::repeated_lazy_message_extension_lite, 0)
          .bb());

  EXPECT_EQ(
      unittest::TestAllTypesLite::BAR,
      message.GetExtension(unittest::repeated_nested_enum_extension_lite, 0));
  EXPECT_EQ(
      unittest::FOREIGN_LITE_BAR,
      message.GetExtension(unittest::repeated_foreign_enum_extension_lite, 0));
  EXPECT_EQ(
      unittest_import::IMPORT_LITE_BAR,
      message.GetExtension(unittest::repeated_import_enum_extension_lite, 0));


  // Actually verify the second (modified) elements now.
  EXPECT_EQ(501,
            message.GetExtension(unittest::repeated_int32_extension_lite, 1));
  EXPECT_EQ(502,
            message.GetExtension(unittest::repeated_int64_extension_lite, 1));
  EXPECT_EQ(503,
            message.GetExtension(unittest::repeated_uint32_extension_lite, 1));
  EXPECT_EQ(504,
            message.GetExtension(unittest::repeated_uint64_extension_lite, 1));
  EXPECT_EQ(505,
            message.GetExtension(unittest::repeated_sint32_extension_lite, 1));
  EXPECT_EQ(506,
            message.GetExtension(unittest::repeated_sint64_extension_lite, 1));
  EXPECT_EQ(507,
            message.GetExtension(unittest::repeated_fixed32_extension_lite, 1));
  EXPECT_EQ(508,
            message.GetExtension(unittest::repeated_fixed64_extension_lite, 1));
  EXPECT_EQ(
      509, message.GetExtension(unittest::repeated_sfixed32_extension_lite, 1));
  EXPECT_EQ(
      510, message.GetExtension(unittest::repeated_sfixed64_extension_lite, 1));
  EXPECT_EQ(511,
            message.GetExtension(unittest::repeated_float_extension_lite, 1));
  EXPECT_EQ(512,
            message.GetExtension(unittest::repeated_double_extension_lite, 1));
  EXPECT_EQ(true,
            message.GetExtension(unittest::repeated_bool_extension_lite, 1));
  EXPECT_EQ("515",
            message.GetExtension(unittest::repeated_string_extension_lite, 1));
  EXPECT_EQ("516",
            message.GetExtension(unittest::repeated_bytes_extension_lite, 1));

  EXPECT_EQ(
      517, message.GetExtension(unittest::repeatedgroup_extension_lite, 1).a());
  EXPECT_EQ(
      518,
      message.GetExtension(unittest::repeated_nested_message_extension_lite, 1)
          .bb());
  EXPECT_EQ(
      519,
      message.GetExtension(unittest::repeated_foreign_message_extension_lite, 1)
          .c());
  EXPECT_EQ(
      520,
      message.GetExtension(unittest::repeated_import_message_extension_lite, 1)
          .d());
  EXPECT_EQ(
      527,
      message.GetExtension(unittest::repeated_lazy_message_extension_lite, 1)
          .bb());

  EXPECT_EQ(
      unittest::TestAllTypesLite::FOO,
      message.GetExtension(unittest::repeated_nested_enum_extension_lite, 1));
  EXPECT_EQ(
      unittest::FOREIGN_LITE_FOO,
      message.GetExtension(unittest::repeated_foreign_enum_extension_lite, 1));
  EXPECT_EQ(
      unittest_import::IMPORT_LITE_FOO,
      message.GetExtension(unittest::repeated_import_enum_extension_lite, 1));

}

// -------------------------------------------------------------------

void TestUtilLite::SetPackedExtensions(
    unittest::TestPackedExtensionsLite* message) {
  message->AddExtension(unittest::packed_int32_extension_lite, 601);
  message->AddExtension(unittest::packed_int64_extension_lite, 602);
  message->AddExtension(unittest::packed_uint32_extension_lite, 603);
  message->AddExtension(unittest::packed_uint64_extension_lite, 604);
  message->AddExtension(unittest::packed_sint32_extension_lite, 605);
  message->AddExtension(unittest::packed_sint64_extension_lite, 606);
  message->AddExtension(unittest::packed_fixed32_extension_lite, 607);
  message->AddExtension(unittest::packed_fixed64_extension_lite, 608);
  message->AddExtension(unittest::packed_sfixed32_extension_lite, 609);
  message->AddExtension(unittest::packed_sfixed64_extension_lite, 610);
  message->AddExtension(unittest::packed_float_extension_lite, 611);
  message->AddExtension(unittest::packed_double_extension_lite, 612);
  message->AddExtension(unittest::packed_bool_extension_lite, true);
  message->AddExtension(unittest::packed_enum_extension_lite,
                        unittest::FOREIGN_LITE_BAR);
  // add a second one of each field
  message->AddExtension(unittest::packed_int32_extension_lite, 701);
  message->AddExtension(unittest::packed_int64_extension_lite, 702);
  message->AddExtension(unittest::packed_uint32_extension_lite, 703);
  message->AddExtension(unittest::packed_uint64_extension_lite, 704);
  message->AddExtension(unittest::packed_sint32_extension_lite, 705);
  message->AddExtension(unittest::packed_sint64_extension_lite, 706);
  message->AddExtension(unittest::packed_fixed32_extension_lite, 707);
  message->AddExtension(unittest::packed_fixed64_extension_lite, 708);
  message->AddExtension(unittest::packed_sfixed32_extension_lite, 709);
  message->AddExtension(unittest::packed_sfixed64_extension_lite, 710);
  message->AddExtension(unittest::packed_float_extension_lite, 711);
  message->AddExtension(unittest::packed_double_extension_lite, 712);
  message->AddExtension(unittest::packed_bool_extension_lite, false);
  message->AddExtension(unittest::packed_enum_extension_lite,
                        unittest::FOREIGN_LITE_BAZ);
}

// -------------------------------------------------------------------

void TestUtilLite::ModifyPackedExtensions(
    unittest::TestPackedExtensionsLite* message) {
  message->SetExtension(unittest::packed_int32_extension_lite, 1, 801);
  message->SetExtension(unittest::packed_int64_extension_lite, 1, 802);
  message->SetExtension(unittest::packed_uint32_extension_lite, 1, 803);
  message->SetExtension(unittest::packed_uint64_extension_lite, 1, 804);
  message->SetExtension(unittest::packed_sint32_extension_lite, 1, 805);
  message->SetExtension(unittest::packed_sint64_extension_lite, 1, 806);
  message->SetExtension(unittest::packed_fixed32_extension_lite, 1, 807);
  message->SetExtension(unittest::packed_fixed64_extension_lite, 1, 808);
  message->SetExtension(unittest::packed_sfixed32_extension_lite, 1, 809);
  message->SetExtension(unittest::packed_sfixed64_extension_lite, 1, 810);
  message->SetExtension(unittest::packed_float_extension_lite, 1, 811);
  message->SetExtension(unittest::packed_double_extension_lite, 1, 812);
  message->SetExtension(unittest::packed_bool_extension_lite, 1, true);
  message->SetExtension(unittest::packed_enum_extension_lite, 1,
                        unittest::FOREIGN_LITE_FOO);
}

// -------------------------------------------------------------------

void TestUtilLite::ExpectPackedExtensionsSet(
    const unittest::TestPackedExtensionsLite& message) {
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_int32_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_int64_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_uint32_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_uint64_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_sint32_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_sint64_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_fixed32_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_fixed64_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_sfixed32_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_sfixed64_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_float_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_double_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_bool_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_enum_extension_lite));

  EXPECT_EQ(601,
            message.GetExtension(unittest::packed_int32_extension_lite, 0));
  EXPECT_EQ(602,
            message.GetExtension(unittest::packed_int64_extension_lite, 0));
  EXPECT_EQ(603,
            message.GetExtension(unittest::packed_uint32_extension_lite, 0));
  EXPECT_EQ(604,
            message.GetExtension(unittest::packed_uint64_extension_lite, 0));
  EXPECT_EQ(605,
            message.GetExtension(unittest::packed_sint32_extension_lite, 0));
  EXPECT_EQ(606,
            message.GetExtension(unittest::packed_sint64_extension_lite, 0));
  EXPECT_EQ(607,
            message.GetExtension(unittest::packed_fixed32_extension_lite, 0));
  EXPECT_EQ(608,
            message.GetExtension(unittest::packed_fixed64_extension_lite, 0));
  EXPECT_EQ(609,
            message.GetExtension(unittest::packed_sfixed32_extension_lite, 0));
  EXPECT_EQ(610,
            message.GetExtension(unittest::packed_sfixed64_extension_lite, 0));
  EXPECT_EQ(611,
            message.GetExtension(unittest::packed_float_extension_lite, 0));
  EXPECT_EQ(612,
            message.GetExtension(unittest::packed_double_extension_lite, 0));
  EXPECT_EQ(true,
            message.GetExtension(unittest::packed_bool_extension_lite, 0));
  EXPECT_EQ(unittest::FOREIGN_LITE_BAR,
            message.GetExtension(unittest::packed_enum_extension_lite, 0));
  EXPECT_EQ(701,
            message.GetExtension(unittest::packed_int32_extension_lite, 1));
  EXPECT_EQ(702,
            message.GetExtension(unittest::packed_int64_extension_lite, 1));
  EXPECT_EQ(703,
            message.GetExtension(unittest::packed_uint32_extension_lite, 1));
  EXPECT_EQ(704,
            message.GetExtension(unittest::packed_uint64_extension_lite, 1));
  EXPECT_EQ(705,
            message.GetExtension(unittest::packed_sint32_extension_lite, 1));
  EXPECT_EQ(706,
            message.GetExtension(unittest::packed_sint64_extension_lite, 1));
  EXPECT_EQ(707,
            message.GetExtension(unittest::packed_fixed32_extension_lite, 1));
  EXPECT_EQ(708,
            message.GetExtension(unittest::packed_fixed64_extension_lite, 1));
  EXPECT_EQ(709,
            message.GetExtension(unittest::packed_sfixed32_extension_lite, 1));
  EXPECT_EQ(710,
            message.GetExtension(unittest::packed_sfixed64_extension_lite, 1));
  EXPECT_EQ(711,
            message.GetExtension(unittest::packed_float_extension_lite, 1));
  EXPECT_EQ(712,
            message.GetExtension(unittest::packed_double_extension_lite, 1));
  EXPECT_FALSE(message.GetExtension(unittest::packed_bool_extension_lite, 1));
  EXPECT_EQ(unittest::FOREIGN_LITE_BAZ,
            message.GetExtension(unittest::packed_enum_extension_lite, 1));
}

// -------------------------------------------------------------------

void TestUtilLite::ExpectPackedExtensionsClear(
    const unittest::TestPackedExtensionsLite& message) {
  EXPECT_EQ(0, message.ExtensionSize(unittest::packed_int32_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::packed_int64_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::packed_uint32_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::packed_uint64_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::packed_sint32_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::packed_sint64_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::packed_fixed32_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::packed_fixed64_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::packed_sfixed32_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::packed_sfixed64_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::packed_float_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::packed_double_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::packed_bool_extension_lite));
  EXPECT_EQ(0, message.ExtensionSize(unittest::packed_enum_extension_lite));
}

// -------------------------------------------------------------------

void TestUtilLite::ExpectPackedExtensionsModified(
    const unittest::TestPackedExtensionsLite& message) {
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_int32_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_int64_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_uint32_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_uint64_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_sint32_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_sint64_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_fixed32_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_fixed64_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_sfixed32_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_sfixed64_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_float_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_double_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_bool_extension_lite));
  ASSERT_EQ(2, message.ExtensionSize(unittest::packed_enum_extension_lite));
  EXPECT_EQ(601,
            message.GetExtension(unittest::packed_int32_extension_lite, 0));
  EXPECT_EQ(602,
            message.GetExtension(unittest::packed_int64_extension_lite, 0));
  EXPECT_EQ(603,
            message.GetExtension(unittest::packed_uint32_extension_lite, 0));
  EXPECT_EQ(604,
            message.GetExtension(unittest::packed_uint64_extension_lite, 0));
  EXPECT_EQ(605,
            message.GetExtension(unittest::packed_sint32_extension_lite, 0));
  EXPECT_EQ(606,
            message.GetExtension(unittest::packed_sint64_extension_lite, 0));
  EXPECT_EQ(607,
            message.GetExtension(unittest::packed_fixed32_extension_lite, 0));
  EXPECT_EQ(608,
            message.GetExtension(unittest::packed_fixed64_extension_lite, 0));
  EXPECT_EQ(609,
            message.GetExtension(unittest::packed_sfixed32_extension_lite, 0));
  EXPECT_EQ(610,
            message.GetExtension(unittest::packed_sfixed64_extension_lite, 0));
  EXPECT_EQ(611,
            message.GetExtension(unittest::packed_float_extension_lite, 0));
  EXPECT_EQ(612,
            message.GetExtension(unittest::packed_double_extension_lite, 0));
  EXPECT_EQ(true,
            message.GetExtension(unittest::packed_bool_extension_lite, 0));
  EXPECT_EQ(unittest::FOREIGN_LITE_BAR,
            message.GetExtension(unittest::packed_enum_extension_lite, 0));

  // Actually verify the second (modified) elements now.
  EXPECT_EQ(801,
            message.GetExtension(unittest::packed_int32_extension_lite, 1));
  EXPECT_EQ(802,
            message.GetExtension(unittest::packed_int64_extension_lite, 1));
  EXPECT_EQ(803,
            message.GetExtension(unittest::packed_uint32_extension_lite, 1));
  EXPECT_EQ(804,
            message.GetExtension(unittest::packed_uint64_extension_lite, 1));
  EXPECT_EQ(805,
            message.GetExtension(unittest::packed_sint32_extension_lite, 1));
  EXPECT_EQ(806,
            message.GetExtension(unittest::packed_sint64_extension_lite, 1));
  EXPECT_EQ(807,
            message.GetExtension(unittest::packed_fixed32_extension_lite, 1));
  EXPECT_EQ(808,
            message.GetExtension(unittest::packed_fixed64_extension_lite, 1));
  EXPECT_EQ(809,
            message.GetExtension(unittest::packed_sfixed32_extension_lite, 1));
  EXPECT_EQ(810,
            message.GetExtension(unittest::packed_sfixed64_extension_lite, 1));
  EXPECT_EQ(811,
            message.GetExtension(unittest::packed_float_extension_lite, 1));
  EXPECT_EQ(812,
            message.GetExtension(unittest::packed_double_extension_lite, 1));
  EXPECT_EQ(true,
            message.GetExtension(unittest::packed_bool_extension_lite, 1));
  EXPECT_EQ(unittest::FOREIGN_LITE_FOO,
            message.GetExtension(unittest::packed_enum_extension_lite, 1));
}

}  // namespace protobuf
}  // namespace google
