From 6ef984af4b0c63c1c33127a12dcfc8e6359f0c9e Mon Sep 17 00:00:00 2001 From: Feng Xiao Date: Mon, 10 Nov 2014 17:34:54 -0800 Subject: Down-integrate from internal code base. --- src/google/protobuf/no_field_presence_test.cc | 526 ++++++++++++++++++++++++++ 1 file changed, 526 insertions(+) create mode 100644 src/google/protobuf/no_field_presence_test.cc (limited to 'src/google/protobuf/no_field_presence_test.cc') diff --git a/src/google/protobuf/no_field_presence_test.cc b/src/google/protobuf/no_field_presence_test.cc new file mode 100644 index 00000000..f248327c --- /dev/null +++ b/src/google/protobuf/no_field_presence_test.cc @@ -0,0 +1,526 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include + +#include +#include +#include +#include +#include + +namespace google { +namespace protobuf { +namespace { + +// Helper: checks that all fields have default (zero/empty) values. +void CheckDefaultValues( + const proto2_nofieldpresence_unittest::TestAllTypes& m) { + EXPECT_EQ(0, m.optional_int32()); + EXPECT_EQ(0, m.optional_int64()); + EXPECT_EQ(0, m.optional_uint32()); + EXPECT_EQ(0, m.optional_uint64()); + EXPECT_EQ(0, m.optional_sint32()); + EXPECT_EQ(0, m.optional_sint64()); + EXPECT_EQ(0, m.optional_fixed32()); + EXPECT_EQ(0, m.optional_fixed64()); + EXPECT_EQ(0, m.optional_sfixed32()); + EXPECT_EQ(0, m.optional_sfixed64()); + EXPECT_EQ(0, m.optional_float()); + EXPECT_EQ(0, m.optional_double()); + EXPECT_EQ(false, m.optional_bool()); + EXPECT_EQ(0, m.optional_string().size()); + EXPECT_EQ(0, m.optional_bytes().size()); + + EXPECT_EQ(false, m.has_optional_nested_message()); + // accessor for message fields returns default instance when not present + EXPECT_EQ(0, m.optional_nested_message().bb()); + EXPECT_EQ(false, m.has_optional_proto2_message()); + // Embedded proto2 messages still have proto2 semantics, e.g. non-zero default + // values. Here the submessage is not present but its accessor returns the + // default instance. + EXPECT_EQ(41, m.optional_proto2_message().default_int32()); + EXPECT_EQ(false, m.has_optional_foreign_message()); + EXPECT_EQ(proto2_nofieldpresence_unittest::TestAllTypes_NestedEnum_FOO, + m.optional_nested_enum()); + EXPECT_EQ(proto2_nofieldpresence_unittest::FOREIGN_FOO, + m.optional_foreign_enum()); + + + EXPECT_EQ(0, m.repeated_int32_size()); + EXPECT_EQ(0, m.repeated_int64_size()); + EXPECT_EQ(0, m.repeated_uint32_size()); + EXPECT_EQ(0, m.repeated_uint64_size()); + EXPECT_EQ(0, m.repeated_sint32_size()); + EXPECT_EQ(0, m.repeated_sint64_size()); + EXPECT_EQ(0, m.repeated_fixed32_size()); + EXPECT_EQ(0, m.repeated_fixed64_size()); + EXPECT_EQ(0, m.repeated_sfixed32_size()); + EXPECT_EQ(0, m.repeated_sfixed64_size()); + EXPECT_EQ(0, m.repeated_float_size()); + EXPECT_EQ(0, m.repeated_double_size()); + EXPECT_EQ(0, m.repeated_bool_size()); + EXPECT_EQ(0, m.repeated_string_size()); + EXPECT_EQ(0, m.repeated_bytes_size()); + EXPECT_EQ(0, m.repeated_nested_message_size()); + EXPECT_EQ(0, m.repeated_foreign_message_size()); + EXPECT_EQ(0, m.repeated_proto2_message_size()); + EXPECT_EQ(0, m.repeated_nested_enum_size()); + EXPECT_EQ(0, m.repeated_foreign_enum_size()); + EXPECT_EQ(0, m.repeated_lazy_message_size()); + EXPECT_EQ(proto2_nofieldpresence_unittest::TestAllTypes::ONEOF_FIELD_NOT_SET, + m.oneof_field_case()); +} + +void FillValues(proto2_nofieldpresence_unittest::TestAllTypes* m) { + m->set_optional_int32(100); + m->set_optional_int64(101); + m->set_optional_uint32(102); + m->set_optional_uint64(103); + m->set_optional_sint32(104); + m->set_optional_sint64(105); + m->set_optional_fixed32(106); + m->set_optional_fixed64(107); + m->set_optional_sfixed32(108); + m->set_optional_sfixed64(109); + m->set_optional_float(110.0); + m->set_optional_double(111.0); + m->set_optional_bool(true); + m->set_optional_string("asdf"); + m->set_optional_bytes("jkl;"); + m->mutable_optional_nested_message()->set_bb(42); + m->mutable_optional_foreign_message()->set_c(43); + m->mutable_optional_proto2_message()->set_optional_int32(44); + m->set_optional_nested_enum( + proto2_nofieldpresence_unittest::TestAllTypes_NestedEnum_BAZ); + m->set_optional_foreign_enum( + proto2_nofieldpresence_unittest::FOREIGN_BAZ); + m->mutable_optional_lazy_message()->set_bb(45); + m->add_repeated_int32(100); + m->add_repeated_int64(101); + m->add_repeated_uint32(102); + m->add_repeated_uint64(103); + m->add_repeated_sint32(104); + m->add_repeated_sint64(105); + m->add_repeated_fixed32(106); + m->add_repeated_fixed64(107); + m->add_repeated_sfixed32(108); + m->add_repeated_sfixed64(109); + m->add_repeated_float(110.0); + m->add_repeated_double(111.0); + m->add_repeated_bool(true); + m->add_repeated_string("asdf"); + m->add_repeated_bytes("jkl;"); + m->add_repeated_nested_message()->set_bb(46); + m->add_repeated_foreign_message()->set_c(47); + m->add_repeated_proto2_message()->set_optional_int32(48); + m->add_repeated_nested_enum( + proto2_nofieldpresence_unittest::TestAllTypes_NestedEnum_BAZ); + m->add_repeated_foreign_enum( + proto2_nofieldpresence_unittest::FOREIGN_BAZ); + m->add_repeated_lazy_message()->set_bb(49); + + m->set_oneof_uint32(1); + m->mutable_oneof_nested_message()->set_bb(50); + m->set_oneof_string("test"); // only this one remains set +} + +void CheckNonDefaultValues( +const proto2_nofieldpresence_unittest::TestAllTypes& m) { + EXPECT_EQ(100, m.optional_int32()); + EXPECT_EQ(101, m.optional_int64()); + EXPECT_EQ(102, m.optional_uint32()); + EXPECT_EQ(103, m.optional_uint64()); + EXPECT_EQ(104, m.optional_sint32()); + EXPECT_EQ(105, m.optional_sint64()); + EXPECT_EQ(106, m.optional_fixed32()); + EXPECT_EQ(107, m.optional_fixed64()); + EXPECT_EQ(108, m.optional_sfixed32()); + EXPECT_EQ(109, m.optional_sfixed64()); + EXPECT_EQ(110.0, m.optional_float()); + EXPECT_EQ(111.0, m.optional_double()); + EXPECT_EQ(true, m.optional_bool()); + EXPECT_EQ("asdf", m.optional_string()); + EXPECT_EQ("jkl;", m.optional_bytes()); + EXPECT_EQ(true, m.has_optional_nested_message()); + EXPECT_EQ(42, m.optional_nested_message().bb()); + EXPECT_EQ(true, m.has_optional_foreign_message()); + EXPECT_EQ(43, m.optional_foreign_message().c()); + EXPECT_EQ(true, m.has_optional_proto2_message()); + EXPECT_EQ(44, m.optional_proto2_message().optional_int32()); + EXPECT_EQ(proto2_nofieldpresence_unittest::TestAllTypes_NestedEnum_BAZ, + m.optional_nested_enum()); + EXPECT_EQ(proto2_nofieldpresence_unittest::FOREIGN_BAZ, + m.optional_foreign_enum()); + EXPECT_EQ(true, m.has_optional_lazy_message()); + EXPECT_EQ(45, m.optional_lazy_message().bb()); + + EXPECT_EQ(1, m.repeated_int32_size()); + EXPECT_EQ(100, m.repeated_int32(0)); + EXPECT_EQ(1, m.repeated_int64_size()); + EXPECT_EQ(101, m.repeated_int64(0)); + EXPECT_EQ(1, m.repeated_uint32_size()); + EXPECT_EQ(102, m.repeated_uint32(0)); + EXPECT_EQ(1, m.repeated_uint64_size()); + EXPECT_EQ(103, m.repeated_uint64(0)); + EXPECT_EQ(1, m.repeated_sint32_size()); + EXPECT_EQ(104, m.repeated_sint32(0)); + EXPECT_EQ(1, m.repeated_sint64_size()); + EXPECT_EQ(105, m.repeated_sint64(0)); + EXPECT_EQ(1, m.repeated_fixed32_size()); + EXPECT_EQ(106, m.repeated_fixed32(0)); + EXPECT_EQ(1, m.repeated_fixed64_size()); + EXPECT_EQ(107, m.repeated_fixed64(0)); + EXPECT_EQ(1, m.repeated_sfixed32_size()); + EXPECT_EQ(108, m.repeated_sfixed32(0)); + EXPECT_EQ(1, m.repeated_sfixed64_size()); + EXPECT_EQ(109, m.repeated_sfixed64(0)); + EXPECT_EQ(1, m.repeated_float_size()); + EXPECT_EQ(110.0, m.repeated_float(0)); + EXPECT_EQ(1, m.repeated_double_size()); + EXPECT_EQ(111.0, m.repeated_double(0)); + EXPECT_EQ(1, m.repeated_bool_size()); + EXPECT_EQ(true, m.repeated_bool(0)); + EXPECT_EQ(1, m.repeated_string_size()); + EXPECT_EQ("asdf", m.repeated_string(0)); + EXPECT_EQ(1, m.repeated_bytes_size()); + EXPECT_EQ("jkl;", m.repeated_bytes(0)); + EXPECT_EQ(1, m.repeated_nested_message_size()); + EXPECT_EQ(46, m.repeated_nested_message(0).bb()); + EXPECT_EQ(1, m.repeated_foreign_message_size()); + EXPECT_EQ(47, m.repeated_foreign_message(0).c()); + EXPECT_EQ(1, m.repeated_proto2_message_size()); + EXPECT_EQ(48, m.repeated_proto2_message(0).optional_int32()); + EXPECT_EQ(1, m.repeated_nested_enum_size()); + EXPECT_EQ(proto2_nofieldpresence_unittest::TestAllTypes_NestedEnum_BAZ, + m.repeated_nested_enum(0)); + EXPECT_EQ(1, m.repeated_foreign_enum_size()); + EXPECT_EQ(proto2_nofieldpresence_unittest::FOREIGN_BAZ, + m.repeated_foreign_enum(0)); + EXPECT_EQ(1, m.repeated_lazy_message_size()); + EXPECT_EQ(49, m.repeated_lazy_message(0).bb()); + + EXPECT_EQ(proto2_nofieldpresence_unittest::TestAllTypes::kOneofString, + m.oneof_field_case()); + EXPECT_EQ("test", m.oneof_string()); +} + +TEST(NoFieldPresenceTest, BasicMessageTest) { + proto2_nofieldpresence_unittest::TestAllTypes message; + // Check default values, fill all fields, check values. We just want to + // exercise the basic getters/setter paths here to make sure no + // field-presence-related changes broke these. + CheckDefaultValues(message); + FillValues(&message); + CheckNonDefaultValues(message); + + // Clear() should be equivalent to getting a freshly-constructed message. + message.Clear(); + CheckDefaultValues(message); +} + +TEST(NoFieldPresenceTest, MessageFieldPresenceTest) { + // check that presence still works properly for message fields. + proto2_nofieldpresence_unittest::TestAllTypes message; + EXPECT_EQ(false, message.has_optional_nested_message()); + // Getter should fetch default instance, and not cause the field to become + // present. + EXPECT_EQ(0, message.optional_nested_message().bb()); + EXPECT_EQ(false, message.has_optional_nested_message()); + message.mutable_optional_nested_message()->set_bb(42); + EXPECT_EQ(true, message.has_optional_nested_message()); + message.clear_optional_nested_message(); + EXPECT_EQ(false, message.has_optional_nested_message()); + + // Likewise for a lazy message field. + EXPECT_EQ(false, message.has_optional_lazy_message()); + // Getter should fetch default instance, and not cause the field to become + // present. + EXPECT_EQ(0, message.optional_lazy_message().bb()); + EXPECT_EQ(false, message.has_optional_lazy_message()); + message.mutable_optional_lazy_message()->set_bb(42); + EXPECT_EQ(true, message.has_optional_lazy_message()); + message.clear_optional_lazy_message(); + EXPECT_EQ(false, message.has_optional_lazy_message()); +} + +TEST(NoFieldPresenceTest, ReflectionHasFieldTest) { + // check that HasField reports true on all scalar fields. Check that it + // behaves properly for message fields. + + proto2_nofieldpresence_unittest::TestAllTypes message; + const google::protobuf::Reflection* r = message.GetReflection(); + const google::protobuf::Descriptor* desc = message.GetDescriptor(); + + // Check initial state: scalars not present (due to need to be consistent with + // MergeFrom()), message fields not present, oneofs not present. + for (int i = 0; i < desc->field_count(); i++) { + const google::protobuf::FieldDescriptor* field = desc->field(i); + if (field->is_repeated()) continue; + EXPECT_EQ(false, r->HasField(message, field)); + } + + // Fill all fields, expect everything to report true (check oneofs below). + FillValues(&message); + for (int i = 0; i < desc->field_count(); i++) { + const google::protobuf::FieldDescriptor* field = desc->field(i); + if (field->is_repeated() || field->containing_oneof()) { + continue; + } + if (field->options().ctype() != google::protobuf::FieldOptions::STRING) { + continue; + } + EXPECT_EQ(true, r->HasField(message, field)); + } + + message.Clear(); + + // Check zero/empty-means-not-present semantics. + const google::protobuf::FieldDescriptor* field_int32 = desc->FindFieldByName( + "optional_int32"); + const google::protobuf::FieldDescriptor* field_double = desc->FindFieldByName( + "optional_double"); + const google::protobuf::FieldDescriptor* field_string = desc->FindFieldByName( + "optional_string"); + + EXPECT_EQ(false, r->HasField(message, field_int32)); + EXPECT_EQ(false, r->HasField(message, field_double)); + EXPECT_EQ(false, r->HasField(message, field_string)); + + message.set_optional_int32(42); + EXPECT_EQ(true, r->HasField(message, field_int32)); + message.set_optional_int32(0); + EXPECT_EQ(false, r->HasField(message, field_int32)); + + message.set_optional_double(42.0); + EXPECT_EQ(true, r->HasField(message, field_double)); + message.set_optional_double(0.0); + EXPECT_EQ(false, r->HasField(message, field_double)); + + message.set_optional_string("test"); + EXPECT_EQ(true, r->HasField(message, field_string)); + message.set_optional_string(""); + EXPECT_EQ(false, r->HasField(message, field_string)); +} + +TEST(NoFieldPresenceTest, HasFieldOneofsTest) { + // check that HasField behaves properly for oneofs. + proto2_nofieldpresence_unittest::TestAllTypes message; + + const google::protobuf::Reflection* r = message.GetReflection(); + const google::protobuf::Descriptor* desc = message.GetDescriptor(); + const google::protobuf::FieldDescriptor* desc_oneof_uint32 = + desc->FindFieldByName("oneof_uint32"); + const google::protobuf::FieldDescriptor* desc_oneof_nested_message = + desc->FindFieldByName("oneof_nested_message"); + const google::protobuf::FieldDescriptor* desc_oneof_string = + desc->FindFieldByName("oneof_string"); + GOOGLE_CHECK_NOTNULL(desc_oneof_uint32); + GOOGLE_CHECK_NOTNULL(desc_oneof_nested_message); + GOOGLE_CHECK_NOTNULL(desc_oneof_string); + + EXPECT_EQ(false, r->HasField(message, desc_oneof_uint32)); + EXPECT_EQ(false, r->HasField(message, desc_oneof_nested_message)); + EXPECT_EQ(false, r->HasField(message, desc_oneof_string)); + + message.set_oneof_string("test"); + EXPECT_EQ(false, r->HasField(message, desc_oneof_uint32)); + EXPECT_EQ(false, r->HasField(message, desc_oneof_nested_message)); + EXPECT_EQ(true, r->HasField(message, desc_oneof_string)); + message.mutable_oneof_nested_message()->set_bb(42); + EXPECT_EQ(false, r->HasField(message, desc_oneof_uint32)); + EXPECT_EQ(true, r->HasField(message, desc_oneof_nested_message)); + EXPECT_EQ(false, r->HasField(message, desc_oneof_string)); + + message.Clear(); + EXPECT_EQ(false, r->HasField(message, desc_oneof_uint32)); + EXPECT_EQ(false, r->HasField(message, desc_oneof_nested_message)); + EXPECT_EQ(false, r->HasField(message, desc_oneof_string)); +} + +TEST(NoFieldPresenceTest, DontSerializeDefaultValuesTest) { + // check that serialized data contains only non-zero numeric fields/non-empty + // string/byte fields. + proto2_nofieldpresence_unittest::TestAllTypes message; + string output; + + // All default values -> no output. + message.SerializeToString(&output); + EXPECT_EQ(0, output.size()); + + // Zero values -> still no output. + message.set_optional_int32(0); + message.set_optional_int64(0); + message.set_optional_uint32(0); + message.set_optional_uint64(0); + message.set_optional_sint32(0); + message.set_optional_sint64(0); + message.set_optional_fixed32(0); + message.set_optional_fixed64(0); + message.set_optional_sfixed32(0); + message.set_optional_sfixed64(0); + message.set_optional_float(0); + message.set_optional_double(0); + message.set_optional_bool(0); + message.set_optional_string(""); + message.set_optional_bytes(""); + message.set_optional_nested_enum( + proto2_nofieldpresence_unittest::TestAllTypes_NestedEnum_FOO); // first enum entry + message.set_optional_foreign_enum( + proto2_nofieldpresence_unittest::FOREIGN_FOO); // first enum entry + + message.SerializeToString(&output); + EXPECT_EQ(0, output.size()); + + message.set_optional_int32(1); + message.SerializeToString(&output); + EXPECT_EQ(2, output.size()); + EXPECT_EQ("\x08\x01", output); + + message.set_optional_int32(0); + message.SerializeToString(&output); + EXPECT_EQ(0, output.size()); +} + +TEST(NoFieldPresenceTest, MergeFromIfNonzeroTest) { + // check that MergeFrom copies if nonzero/nondefault only. + proto2_nofieldpresence_unittest::TestAllTypes source; + proto2_nofieldpresence_unittest::TestAllTypes dest; + + dest.set_optional_int32(42); + dest.set_optional_string("test"); + source.set_optional_int32(0); + source.set_optional_string(""); + // MergeFrom() copies only if present in serialization, i.e., non-zero. + dest.MergeFrom(source); + EXPECT_EQ(42, dest.optional_int32()); + EXPECT_EQ("test", dest.optional_string()); + + source.set_optional_int32(84); + source.set_optional_string("test2"); + dest.MergeFrom(source); + EXPECT_EQ(84, dest.optional_int32()); + EXPECT_EQ("test2", dest.optional_string()); +} + +TEST(NoFieldPresenceTest, IsInitializedTest) { + // Check that IsInitialized works properly. + proto2_nofieldpresence_unittest::TestProto2Required message; + + EXPECT_EQ(true, message.IsInitialized()); + message.mutable_proto2()->set_a(1); + EXPECT_EQ(false, message.IsInitialized()); + message.mutable_proto2()->set_b(1); + EXPECT_EQ(false, message.IsInitialized()); + message.mutable_proto2()->set_c(1); + EXPECT_EQ(true, message.IsInitialized()); +} + +TEST(NoFieldPresenceTest, LazyMessageFieldHasBit) { + // Check that has-bit interaction with lazy message works (has-bit before and + // after lazy decode). + proto2_nofieldpresence_unittest::TestAllTypes message; + const google::protobuf::Reflection* r = message.GetReflection(); + const google::protobuf::Descriptor* desc = message.GetDescriptor(); + const google::protobuf::FieldDescriptor* field = desc->FindFieldByName( + "optional_lazy_message"); + GOOGLE_CHECK_NOTNULL(field); + + EXPECT_EQ(false, message.has_optional_lazy_message()); + EXPECT_EQ(false, r->HasField(message, field)); + + message.mutable_optional_lazy_message()->set_bb(42); + EXPECT_EQ(true, message.has_optional_lazy_message()); + EXPECT_EQ(true, r->HasField(message, field)); + + // Serialize and parse with a new message object so that lazy field on new + // object is in unparsed state. + string output; + message.SerializeToString(&output); + proto2_nofieldpresence_unittest::TestAllTypes message2; + message2.ParseFromString(output); + + EXPECT_EQ(true, message2.has_optional_lazy_message()); + EXPECT_EQ(true, r->HasField(message2, field)); + + // Access field to force lazy parse. + EXPECT_EQ(42, message.optional_lazy_message().bb()); + EXPECT_EQ(true, message2.has_optional_lazy_message()); + EXPECT_EQ(true, r->HasField(message2, field)); +} + +TEST(NoFieldPresenceTest, OneofPresence) { + proto2_nofieldpresence_unittest::TestAllTypes message; + // oneof fields still have field presence -- ensure that this goes on the wire + // even though its value is the empty string. + message.set_oneof_string(""); + string serialized; + message.SerializeToString(&serialized); + // Tag: 113 --> tag is (113 << 3) | 2 (length delimited) = 906 + // varint: 0x8a 0x07 + // Length: 0x00 + EXPECT_EQ(3, serialized.size()); + EXPECT_EQ(static_cast(0x8a), serialized.at(0)); + EXPECT_EQ(static_cast(0x07), serialized.at(1)); + EXPECT_EQ(static_cast(0x00), serialized.at(2)); + + message.Clear(); + EXPECT_TRUE(message.ParseFromString(serialized)); + EXPECT_EQ(proto2_nofieldpresence_unittest::TestAllTypes::kOneofString, + message.oneof_field_case()); + + // Also test int32 and enum fields. + message.Clear(); + message.set_oneof_uint32(0); // would not go on wire if ordinary field. + message.SerializeToString(&serialized); + EXPECT_EQ(3, serialized.size()); + EXPECT_TRUE(message.ParseFromString(serialized)); + EXPECT_EQ(proto2_nofieldpresence_unittest::TestAllTypes::kOneofUint32, + message.oneof_field_case()); + + message.Clear(); + message.set_oneof_enum(proto2_nofieldpresence_unittest:: + TestAllTypes_NestedEnum_FOO); // default value. + message.SerializeToString(&serialized); + EXPECT_EQ(3, serialized.size()); + EXPECT_TRUE(message.ParseFromString(serialized)); + EXPECT_EQ(proto2_nofieldpresence_unittest::TestAllTypes::kOneofEnum, + message.oneof_field_case()); + + message.Clear(); + message.set_oneof_string("test"); + message.clear_oneof_string(); + EXPECT_EQ(0, message.ByteSize()); +} + +} // namespace +} // namespace protobuf + +} // namespace google -- cgit v1.2.3