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dfhack/depends/protobuf/google/protobuf/extension_set_unittest.cc

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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// http://code.google.com/p/protobuf/
//
// 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.
// Author: kenton@google.com (Kenton Varda)
// Based on original Protocol Buffers design by
// Sanjay Ghemawat, Jeff Dean, and others.
#include <google/protobuf/extension_set.h>
#include <google/protobuf/unittest.pb.h>
#include <google/protobuf/test_util.h>
#include <google/protobuf/descriptor.pb.h>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/dynamic_message.h>
#include <google/protobuf/wire_format.h>
#include <google/protobuf/io/coded_stream.h>
#include <google/protobuf/io/zero_copy_stream_impl.h>
#include <google/protobuf/stubs/common.h>
#include <google/protobuf/stubs/strutil.h>
#include <google/protobuf/testing/googletest.h>
#include <gtest/gtest.h>
#include <google/protobuf/stubs/stl_util-inl.h>
namespace google {
namespace protobuf {
namespace internal {
namespace {
// This test closely mirrors google/protobuf/compiler/cpp/unittest.cc
// except that it uses extensions rather than regular fields.
TEST(ExtensionSetTest, Defaults) {
// Check that all default values are set correctly in the initial message.
unittest::TestAllExtensions message;
TestUtil::ExpectExtensionsClear(message);
// Messages should return pointers to default instances until first use.
// (This is not checked by ExpectClear() since it is not actually true after
// the fields have been set and then cleared.)
EXPECT_EQ(&unittest::OptionalGroup_extension::default_instance(),
&message.GetExtension(unittest::optionalgroup_extension));
EXPECT_EQ(&unittest::TestAllTypes::NestedMessage::default_instance(),
&message.GetExtension(unittest::optional_nested_message_extension));
EXPECT_EQ(&unittest::ForeignMessage::default_instance(),
&message.GetExtension(
unittest::optional_foreign_message_extension));
EXPECT_EQ(&unittest_import::ImportMessage::default_instance(),
&message.GetExtension(unittest::optional_import_message_extension));
}
TEST(ExtensionSetTest, Accessors) {
// Set every field to a unique value then go back and check all those
// values.
unittest::TestAllExtensions message;
TestUtil::SetAllExtensions(&message);
TestUtil::ExpectAllExtensionsSet(message);
TestUtil::ModifyRepeatedExtensions(&message);
TestUtil::ExpectRepeatedExtensionsModified(message);
}
TEST(ExtensionSetTest, Clear) {
// Set every field to a unique value, clear the message, then check that
// it is cleared.
unittest::TestAllExtensions message;
TestUtil::SetAllExtensions(&message);
message.Clear();
TestUtil::ExpectExtensionsClear(message);
// Unlike with the defaults test, we do NOT expect that requesting embedded
// messages will return a pointer to the default instance. Instead, they
// should return the objects that were created when mutable_blah() was
// called.
EXPECT_NE(&unittest::OptionalGroup_extension::default_instance(),
&message.GetExtension(unittest::optionalgroup_extension));
EXPECT_NE(&unittest::TestAllTypes::NestedMessage::default_instance(),
&message.GetExtension(unittest::optional_nested_message_extension));
EXPECT_NE(&unittest::ForeignMessage::default_instance(),
&message.GetExtension(
unittest::optional_foreign_message_extension));
EXPECT_NE(&unittest_import::ImportMessage::default_instance(),
&message.GetExtension(unittest::optional_import_message_extension));
// Make sure setting stuff again after clearing works. (This takes slightly
// different code paths since the objects are reused.)
TestUtil::SetAllExtensions(&message);
TestUtil::ExpectAllExtensionsSet(message);
}
TEST(ExtensionSetTest, ClearOneField) {
// Set every field to a unique value, then clear one value and insure that
// only that one value is cleared.
unittest::TestAllExtensions message;
TestUtil::SetAllExtensions(&message);
int64 original_value =
message.GetExtension(unittest::optional_int64_extension);
// Clear the field and make sure it shows up as cleared.
message.ClearExtension(unittest::optional_int64_extension);
EXPECT_FALSE(message.HasExtension(unittest::optional_int64_extension));
EXPECT_EQ(0, message.GetExtension(unittest::optional_int64_extension));
// Other adjacent fields should not be cleared.
EXPECT_TRUE(message.HasExtension(unittest::optional_int32_extension));
EXPECT_TRUE(message.HasExtension(unittest::optional_uint32_extension));
// Make sure if we set it again, then all fields are set.
message.SetExtension(unittest::optional_int64_extension, original_value);
TestUtil::ExpectAllExtensionsSet(message);
}
TEST(ExtensionSetTest, CopyFrom) {
unittest::TestAllExtensions message1, message2;
string data;
TestUtil::SetAllExtensions(&message1);
message2.CopyFrom(message1);
TestUtil::ExpectAllExtensionsSet(message2);
}
TEST(ExtensionSetTest, CopyFromUpcasted) {
unittest::TestAllExtensions message1, message2;
string data;
const Message& upcasted_message = message1;
TestUtil::SetAllExtensions(&message1);
message2.CopyFrom(upcasted_message);
TestUtil::ExpectAllExtensionsSet(message2);
}
TEST(ExtensionSetTest, SwapWithEmpty) {
unittest::TestAllExtensions message1, message2;
TestUtil::SetAllExtensions(&message1);
TestUtil::ExpectAllExtensionsSet(message1);
TestUtil::ExpectExtensionsClear(message2);
message1.Swap(&message2);
TestUtil::ExpectAllExtensionsSet(message2);
TestUtil::ExpectExtensionsClear(message1);
}
TEST(ExtensionSetTest, SwapWithSelf) {
unittest::TestAllExtensions message;
TestUtil::SetAllExtensions(&message);
TestUtil::ExpectAllExtensionsSet(message);
message.Swap(&message);
TestUtil::ExpectAllExtensionsSet(message);
}
TEST(ExtensionSetTest, SerializationToArray) {
// Serialize as TestAllExtensions and parse as TestAllTypes to insure wire
// compatibility of extensions.
//
// This checks serialization to a flat array by explicitly reserving space in
// the string and calling the generated message's
// SerializeWithCachedSizesToArray.
unittest::TestAllExtensions source;
unittest::TestAllTypes destination;
TestUtil::SetAllExtensions(&source);
int size = source.ByteSize();
string data;
data.resize(size);
uint8* target = reinterpret_cast<uint8*>(string_as_array(&data));
uint8* end = source.SerializeWithCachedSizesToArray(target);
EXPECT_EQ(size, end - target);
EXPECT_TRUE(destination.ParseFromString(data));
TestUtil::ExpectAllFieldsSet(destination);
}
TEST(ExtensionSetTest, SerializationToStream) {
// Serialize as TestAllExtensions and parse as TestAllTypes to insure wire
// compatibility of extensions.
//
// This checks serialization to an output stream by creating an array output
// stream that can only buffer 1 byte at a time - this prevents the message
// from ever jumping to the fast path, ensuring that serialization happens via
// the CodedOutputStream.
unittest::TestAllExtensions source;
unittest::TestAllTypes destination;
TestUtil::SetAllExtensions(&source);
int size = source.ByteSize();
string data;
data.resize(size);
{
io::ArrayOutputStream array_stream(string_as_array(&data), size, 1);
io::CodedOutputStream output_stream(&array_stream);
source.SerializeWithCachedSizes(&output_stream);
ASSERT_FALSE(output_stream.HadError());
}
EXPECT_TRUE(destination.ParseFromString(data));
TestUtil::ExpectAllFieldsSet(destination);
}
TEST(ExtensionSetTest, PackedSerializationToArray) {
// Serialize as TestPackedExtensions and parse as TestPackedTypes to insure
// wire compatibility of extensions.
//
// This checks serialization to a flat array by explicitly reserving space in
// the string and calling the generated message's
// SerializeWithCachedSizesToArray.
unittest::TestPackedExtensions source;
unittest::TestPackedTypes destination;
TestUtil::SetPackedExtensions(&source);
int size = source.ByteSize();
string data;
data.resize(size);
uint8* target = reinterpret_cast<uint8*>(string_as_array(&data));
uint8* end = source.SerializeWithCachedSizesToArray(target);
EXPECT_EQ(size, end - target);
EXPECT_TRUE(destination.ParseFromString(data));
TestUtil::ExpectPackedFieldsSet(destination);
}
TEST(ExtensionSetTest, PackedSerializationToStream) {
// Serialize as TestPackedExtensions and parse as TestPackedTypes to insure
// wire compatibility of extensions.
//
// This checks serialization to an output stream by creating an array output
// stream that can only buffer 1 byte at a time - this prevents the message
// from ever jumping to the fast path, ensuring that serialization happens via
// the CodedOutputStream.
unittest::TestPackedExtensions source;
unittest::TestPackedTypes destination;
TestUtil::SetPackedExtensions(&source);
int size = source.ByteSize();
string data;
data.resize(size);
{
io::ArrayOutputStream array_stream(string_as_array(&data), size, 1);
io::CodedOutputStream output_stream(&array_stream);
source.SerializeWithCachedSizes(&output_stream);
ASSERT_FALSE(output_stream.HadError());
}
EXPECT_TRUE(destination.ParseFromString(data));
TestUtil::ExpectPackedFieldsSet(destination);
}
TEST(ExtensionSetTest, Parsing) {
// Serialize as TestAllTypes and parse as TestAllExtensions.
unittest::TestAllTypes source;
unittest::TestAllExtensions destination;
string data;
TestUtil::SetAllFields(&source);
source.SerializeToString(&data);
EXPECT_TRUE(destination.ParseFromString(data));
TestUtil::ExpectAllExtensionsSet(destination);
}
TEST(ExtensionSetTest, PackedParsing) {
// Serialize as TestPackedTypes and parse as TestPackedExtensions.
unittest::TestPackedTypes source;
unittest::TestPackedExtensions destination;
string data;
TestUtil::SetPackedFields(&source);
source.SerializeToString(&data);
EXPECT_TRUE(destination.ParseFromString(data));
TestUtil::ExpectPackedExtensionsSet(destination);
}
TEST(ExtensionSetTest, IsInitialized) {
// Test that IsInitialized() returns false if required fields in nested
// extensions are missing.
unittest::TestAllExtensions message;
EXPECT_TRUE(message.IsInitialized());
message.MutableExtension(unittest::TestRequired::single);
EXPECT_FALSE(message.IsInitialized());
message.MutableExtension(unittest::TestRequired::single)->set_a(1);
EXPECT_FALSE(message.IsInitialized());
message.MutableExtension(unittest::TestRequired::single)->set_b(2);
EXPECT_FALSE(message.IsInitialized());
message.MutableExtension(unittest::TestRequired::single)->set_c(3);
EXPECT_TRUE(message.IsInitialized());
message.AddExtension(unittest::TestRequired::multi);
EXPECT_FALSE(message.IsInitialized());
message.MutableExtension(unittest::TestRequired::multi, 0)->set_a(1);
EXPECT_FALSE(message.IsInitialized());
message.MutableExtension(unittest::TestRequired::multi, 0)->set_b(2);
EXPECT_FALSE(message.IsInitialized());
message.MutableExtension(unittest::TestRequired::multi, 0)->set_c(3);
EXPECT_TRUE(message.IsInitialized());
}
TEST(ExtensionSetTest, MutableString) {
// Test the mutable string accessors.
unittest::TestAllExtensions message;
message.MutableExtension(unittest::optional_string_extension)->assign("foo");
EXPECT_TRUE(message.HasExtension(unittest::optional_string_extension));
EXPECT_EQ("foo", message.GetExtension(unittest::optional_string_extension));
message.AddExtension(unittest::repeated_string_extension)->assign("bar");
ASSERT_EQ(1, message.ExtensionSize(unittest::repeated_string_extension));
EXPECT_EQ("bar",
message.GetExtension(unittest::repeated_string_extension, 0));
}
TEST(ExtensionSetTest, SpaceUsedExcludingSelf) {
// Scalar primitive extensions should increase the extension set size by a
// minimum of the size of the primitive type.
#define TEST_SCALAR_EXTENSIONS_SPACE_USED(type, value) \
do { \
unittest::TestAllExtensions message; \
const int base_size = message.SpaceUsed(); \
message.SetExtension(unittest::optional_##type##_extension, value); \
int min_expected_size = base_size + \
sizeof(message.GetExtension(unittest::optional_##type##_extension)); \
EXPECT_LE(min_expected_size, message.SpaceUsed()); \
} while (0)
TEST_SCALAR_EXTENSIONS_SPACE_USED(int32 , 101);
TEST_SCALAR_EXTENSIONS_SPACE_USED(int64 , 102);
TEST_SCALAR_EXTENSIONS_SPACE_USED(uint32 , 103);
TEST_SCALAR_EXTENSIONS_SPACE_USED(uint64 , 104);
TEST_SCALAR_EXTENSIONS_SPACE_USED(sint32 , 105);
TEST_SCALAR_EXTENSIONS_SPACE_USED(sint64 , 106);
TEST_SCALAR_EXTENSIONS_SPACE_USED(fixed32 , 107);
TEST_SCALAR_EXTENSIONS_SPACE_USED(fixed64 , 108);
TEST_SCALAR_EXTENSIONS_SPACE_USED(sfixed32, 109);
TEST_SCALAR_EXTENSIONS_SPACE_USED(sfixed64, 110);
TEST_SCALAR_EXTENSIONS_SPACE_USED(float , 111);
TEST_SCALAR_EXTENSIONS_SPACE_USED(double , 112);
TEST_SCALAR_EXTENSIONS_SPACE_USED(bool , true);
#undef TEST_SCALAR_EXTENSIONS_SPACE_USED
{
unittest::TestAllExtensions message;
const int base_size = message.SpaceUsed();
message.SetExtension(unittest::optional_nested_enum_extension,
unittest::TestAllTypes::FOO);
int min_expected_size = base_size +
sizeof(message.GetExtension(unittest::optional_nested_enum_extension));
EXPECT_LE(min_expected_size, message.SpaceUsed());
}
{
// Strings may cause extra allocations depending on their length; ensure
// that gets included as well.
unittest::TestAllExtensions message;
const int base_size = message.SpaceUsed();
const string s("this is a fairly large string that will cause some "
"allocation in order to store it in the extension");
message.SetExtension(unittest::optional_string_extension, s);
int min_expected_size = base_size + s.length();
EXPECT_LE(min_expected_size, message.SpaceUsed());
}
{
// Messages also have additional allocation that need to be counted.
unittest::TestAllExtensions message;
const int base_size = message.SpaceUsed();
unittest::ForeignMessage foreign;
foreign.set_c(42);
message.MutableExtension(unittest::optional_foreign_message_extension)->
CopyFrom(foreign);
int min_expected_size = base_size + foreign.SpaceUsed();
EXPECT_LE(min_expected_size, message.SpaceUsed());
}
// Repeated primitive extensions will increase space used by at least a
// RepeatedField<T>, and will cause additional allocations when the array
// gets too big for the initial space.
// This macro:
// - Adds a value to the repeated extension, then clears it, establishing
// the base size.
// - Adds a small number of values, testing that it doesn't increase the
// SpaceUsed()
// - Adds a large number of values (requiring allocation in the repeated
// field), and ensures that that allocation is included in SpaceUsed()
#define TEST_REPEATED_EXTENSIONS_SPACE_USED(type, cpptype, value) \
do { \
unittest::TestAllExtensions message; \
const int base_size = message.SpaceUsed(); \
int min_expected_size = sizeof(RepeatedField<cpptype>) + base_size; \
message.AddExtension(unittest::repeated_##type##_extension, value); \
message.ClearExtension(unittest::repeated_##type##_extension); \
const int empty_repeated_field_size = message.SpaceUsed(); \
EXPECT_LE(min_expected_size, empty_repeated_field_size) << #type; \
message.AddExtension(unittest::repeated_##type##_extension, value); \
message.AddExtension(unittest::repeated_##type##_extension, value); \
EXPECT_EQ(empty_repeated_field_size, message.SpaceUsed()) << #type; \
message.ClearExtension(unittest::repeated_##type##_extension); \
for (int i = 0; i < 16; ++i) { \
message.AddExtension(unittest::repeated_##type##_extension, value); \
} \
int expected_size = sizeof(cpptype) * 16 + empty_repeated_field_size; \
EXPECT_EQ(expected_size, message.SpaceUsed()) << #type; \
} while (0)
TEST_REPEATED_EXTENSIONS_SPACE_USED(int32 , int32 , 101);
TEST_REPEATED_EXTENSIONS_SPACE_USED(int64 , int64 , 102);
TEST_REPEATED_EXTENSIONS_SPACE_USED(uint32 , uint32, 103);
TEST_REPEATED_EXTENSIONS_SPACE_USED(uint64 , uint64, 104);
TEST_REPEATED_EXTENSIONS_SPACE_USED(sint32 , int32 , 105);
TEST_REPEATED_EXTENSIONS_SPACE_USED(sint64 , int64 , 106);
TEST_REPEATED_EXTENSIONS_SPACE_USED(fixed32 , uint32, 107);
TEST_REPEATED_EXTENSIONS_SPACE_USED(fixed64 , uint64, 108);
TEST_REPEATED_EXTENSIONS_SPACE_USED(sfixed32, int32 , 109);
TEST_REPEATED_EXTENSIONS_SPACE_USED(sfixed64, int64 , 110);
TEST_REPEATED_EXTENSIONS_SPACE_USED(float , float , 111);
TEST_REPEATED_EXTENSIONS_SPACE_USED(double , double, 112);
TEST_REPEATED_EXTENSIONS_SPACE_USED(bool , bool , true);
TEST_REPEATED_EXTENSIONS_SPACE_USED(nested_enum, int,
unittest::TestAllTypes::FOO);
#undef TEST_REPEATED_EXTENSIONS_SPACE_USED
// Repeated strings
{
unittest::TestAllExtensions message;
const int base_size = message.SpaceUsed();
int min_expected_size = sizeof(RepeatedPtrField<string>) + base_size;
const string value(256, 'x');
// Once items are allocated, they may stick around even when cleared so
// without the hardcore memory management accessors there isn't a notion of
// the empty repeated field memory usage as there is with primitive types.
for (int i = 0; i < 16; ++i) {
message.AddExtension(unittest::repeated_string_extension, value);
}
min_expected_size += (sizeof(value) + value.size()) * 16;
EXPECT_LE(min_expected_size, message.SpaceUsed());
}
// Repeated messages
{
unittest::TestAllExtensions message;
const int base_size = message.SpaceUsed();
int min_expected_size = sizeof(RepeatedPtrField<unittest::ForeignMessage>) +
base_size;
unittest::ForeignMessage prototype;
prototype.set_c(2);
for (int i = 0; i < 16; ++i) {
message.AddExtension(unittest::repeated_foreign_message_extension)->
CopyFrom(prototype);
}
min_expected_size += 16 * prototype.SpaceUsed();
EXPECT_LE(min_expected_size, message.SpaceUsed());
}
}
#ifdef GTEST_HAS_DEATH_TEST
TEST(ExtensionSetTest, InvalidEnumDeath) {
unittest::TestAllExtensions message;
EXPECT_DEBUG_DEATH(
message.SetExtension(unittest::optional_foreign_enum_extension,
static_cast<unittest::ForeignEnum>(53)),
"IsValid");
}
#endif // GTEST_HAS_DEATH_TEST
TEST(ExtensionSetTest, DynamicExtensions) {
// Test adding a dynamic extension to a compiled-in message object.
FileDescriptorProto dynamic_proto;
dynamic_proto.set_name("dynamic_extensions_test.proto");
dynamic_proto.add_dependency(
unittest::TestAllExtensions::descriptor()->file()->name());
dynamic_proto.set_package("dynamic_extensions");
// Copy the fields and nested types from TestDynamicExtensions into our new
// proto, converting the fields into extensions.
const Descriptor* template_descriptor =
unittest::TestDynamicExtensions::descriptor();
DescriptorProto template_descriptor_proto;
template_descriptor->CopyTo(&template_descriptor_proto);
dynamic_proto.mutable_message_type()->MergeFrom(
template_descriptor_proto.nested_type());
dynamic_proto.mutable_enum_type()->MergeFrom(
template_descriptor_proto.enum_type());
dynamic_proto.mutable_extension()->MergeFrom(
template_descriptor_proto.field());
// For each extension that we added...
for (int i = 0; i < dynamic_proto.extension_size(); i++) {
// Set its extendee to TestAllExtensions.
FieldDescriptorProto* extension = dynamic_proto.mutable_extension(i);
extension->set_extendee(
unittest::TestAllExtensions::descriptor()->full_name());
// If the field refers to one of the types nested in TestDynamicExtensions,
// make it refer to the type in our dynamic proto instead.
string prefix = "." + template_descriptor->full_name() + ".";
if (extension->has_type_name()) {
string* type_name = extension->mutable_type_name();
if (HasPrefixString(*type_name, prefix)) {
type_name->replace(0, prefix.size(), ".dynamic_extensions.");
}
}
}
// Now build the file, using the generated pool as an underlay.
DescriptorPool dynamic_pool(DescriptorPool::generated_pool());
const FileDescriptor* file = dynamic_pool.BuildFile(dynamic_proto);
ASSERT_TRUE(file != NULL);
DynamicMessageFactory dynamic_factory(&dynamic_pool);
dynamic_factory.SetDelegateToGeneratedFactory(true);
// Construct a message that we can parse with the extensions we defined.
// Since the extensions were based off of the fields of TestDynamicExtensions,
// we can use that message to create this test message.
string data;
{
unittest::TestDynamicExtensions message;
message.set_scalar_extension(123);
message.set_enum_extension(unittest::FOREIGN_BAR);
message.set_dynamic_enum_extension(
unittest::TestDynamicExtensions::DYNAMIC_BAZ);
message.mutable_message_extension()->set_c(456);
message.mutable_dynamic_message_extension()->set_dynamic_field(789);
message.add_repeated_extension("foo");
message.add_repeated_extension("bar");
message.add_packed_extension(12);
message.add_packed_extension(-34);
message.add_packed_extension(56);
message.add_packed_extension(-78);
// Also add some unknown fields.
// An unknown enum value (for a known field).
message.mutable_unknown_fields()->AddVarint(
unittest::TestDynamicExtensions::kDynamicEnumExtensionFieldNumber,
12345);
// A regular unknown field.
message.mutable_unknown_fields()->AddLengthDelimited(54321, "unknown");
message.SerializeToString(&data);
}
// Now we can parse this using our dynamic extension definitions...
unittest::TestAllExtensions message;
{
io::ArrayInputStream raw_input(data.data(), data.size());
io::CodedInputStream input(&raw_input);
input.SetExtensionRegistry(&dynamic_pool, &dynamic_factory);
ASSERT_TRUE(message.ParseFromCodedStream(&input));
ASSERT_TRUE(input.ConsumedEntireMessage());
}
// Can we print it?
EXPECT_EQ(
"[dynamic_extensions.scalar_extension]: 123\n"
"[dynamic_extensions.enum_extension]: FOREIGN_BAR\n"
"[dynamic_extensions.dynamic_enum_extension]: DYNAMIC_BAZ\n"
"[dynamic_extensions.message_extension] {\n"
" c: 456\n"
"}\n"
"[dynamic_extensions.dynamic_message_extension] {\n"
" dynamic_field: 789\n"
"}\n"
"[dynamic_extensions.repeated_extension]: \"foo\"\n"
"[dynamic_extensions.repeated_extension]: \"bar\"\n"
"[dynamic_extensions.packed_extension]: 12\n"
"[dynamic_extensions.packed_extension]: -34\n"
"[dynamic_extensions.packed_extension]: 56\n"
"[dynamic_extensions.packed_extension]: -78\n"
"2002: 12345\n"
"54321: \"unknown\"\n",
message.DebugString());
// Can we serialize it?
// (Don't use EXPECT_EQ because we don't want to dump raw binary data to the
// terminal on failure.)
EXPECT_TRUE(message.SerializeAsString() == data);
// What if we parse using the reflection-based parser?
{
unittest::TestAllExtensions message2;
io::ArrayInputStream raw_input(data.data(), data.size());
io::CodedInputStream input(&raw_input);
input.SetExtensionRegistry(&dynamic_pool, &dynamic_factory);
ASSERT_TRUE(WireFormat::ParseAndMergePartial(&input, &message2));
ASSERT_TRUE(input.ConsumedEntireMessage());
EXPECT_EQ(message.DebugString(), message2.DebugString());
}
// Are the embedded generated types actually using the generated objects?
{
const FieldDescriptor* message_extension =
file->FindExtensionByName("message_extension");
ASSERT_TRUE(message_extension != NULL);
const Message& sub_message =
message.GetReflection()->GetMessage(message, message_extension);
const unittest::ForeignMessage* typed_sub_message =
dynamic_cast<const unittest::ForeignMessage*>(&sub_message);
ASSERT_TRUE(typed_sub_message != NULL);
EXPECT_EQ(456, typed_sub_message->c());
}
// What does GetMessage() return for the embedded dynamic type if it isn't
// present?
{
const FieldDescriptor* dynamic_message_extension =
file->FindExtensionByName("dynamic_message_extension");
ASSERT_TRUE(dynamic_message_extension != NULL);
const Message& parent = unittest::TestAllExtensions::default_instance();
const Message& sub_message =
parent.GetReflection()->GetMessage(parent, dynamic_message_extension,
&dynamic_factory);
const Message* prototype =
dynamic_factory.GetPrototype(dynamic_message_extension->message_type());
EXPECT_EQ(prototype, &sub_message);
}
}
} // namespace
} // namespace internal
} // namespace protobuf
} // namespace google
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