blob: bc41beec8131acc852d97b7f38c395a69b0f4aaa [file] [log] [blame]
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
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// 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
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// 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 <string>
#include <google/protobuf/unittest_no_field_presence.pb.h>
#include <google/protobuf/unittest.pb.h>
#include <google/protobuf/descriptor.pb.h>
#include <google/protobuf/descriptor.h>
#include <gtest/gtest.h>
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 field presence of a message field on the default instance.
EXPECT_EQ(false, proto2_nofieldpresence_unittest::TestAllTypes::
default_instance().has_optional_nested_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));
}
// Test field presence of a message field on the default instance.
const google::protobuf::FieldDescriptor* msg_field =
desc->FindFieldByName("optional_nested_message");
EXPECT_EQ(false, r->HasField(
proto2_nofieldpresence_unittest::TestAllTypes::
default_instance(), msg_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, ReflectionClearFieldTest) {
proto2_nofieldpresence_unittest::TestAllTypes message;
const google::protobuf::Reflection* r = message.GetReflection();
const google::protobuf::Descriptor* desc = message.GetDescriptor();
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");
const google::protobuf::FieldDescriptor* field_message = desc->FindFieldByName(
"optional_nested_message");
const google::protobuf::FieldDescriptor* field_lazy = desc->FindFieldByName(
"optional_lazy_message");
message.set_optional_int32(42);
r->ClearField(&message, field_int32);
EXPECT_EQ(0, message.optional_int32());
message.set_optional_double(42.0);
r->ClearField(&message, field_double);
EXPECT_EQ(0.0, message.optional_double());
message.set_optional_string("test");
r->ClearField(&message, field_string);
EXPECT_EQ("", message.optional_string());
message.mutable_optional_nested_message()->set_bb(1234);
r->ClearField(&message, field_message);
EXPECT_FALSE(message.has_optional_nested_message());
EXPECT_EQ(0, message.optional_nested_message().bb());
message.mutable_optional_lazy_message()->set_bb(42);
r->ClearField(&message, field_lazy);
EXPECT_FALSE(message.has_optional_lazy_message());
EXPECT_EQ(0, message.optional_lazy_message().bb());
}
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<char>(0x8a), serialized.at(0));
EXPECT_EQ(static_cast<char>(0x07), serialized.at(1));
EXPECT_EQ(static_cast<char>(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