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protobuf/upb/mini_table_accessors_test.cc

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/*
* Copyright (c) 2009-2021, Google LLC
* All rights reserved.
*
* 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 LLC 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 Google LLC 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.
*/
/* Test of mini table accessors.
*
* Messages are created and mutated using generated code, and then
* accessed through reflective APIs exposed through mini table accessors.
*/
#include "upb/mini_table_accessors.h"
#include "gtest/gtest.h"
#include "google/protobuf/test_messages_proto2.upb.h"
#include "google/protobuf/test_messages_proto3.upb.h"
#include "upb/array.h"
#include "upb/decode.h"
#include "upb/mini_table.h"
#include "upb/msg_internal.h"
#include "upb/test.upb.h"
#include "upb/upb.h"
namespace {
// Proto2 test messages field numbers used for reflective access.
const uint32_t kFieldOptionalInt32 = 1;
const uint32_t kFieldOptionalUInt32 = 3;
const uint32_t kFieldOptionalBool = 13;
const uint32_t kFieldOptionalString = 14;
const uint32_t kFieldOptionalNestedMessage = 18;
const uint32_t kFieldOptionalRepeatedInt32 = 31;
const uint32_t kFieldOptionalNestedMessageA = 1;
const uint32_t kFieldOptionalOneOfUInt32 = 111;
const uint32_t kFieldOptionalOneOfString = 113;
const uint32_t kFieldProto3OptionalInt64 = 2;
const uint32_t kFieldProto3OptionalUInt64 = 4;
const char kTestStr1[] = "Hello1";
const char kTestStr2[] = "Hello2";
const int32_t kTestInt32 = 567;
const int32_t kTestUInt32 = 0xF1234567;
const uint64_t kTestUInt64 = 0xFEDCBAFF87654321;
const upb_MiniTable_Field* find_proto3_field(int field_number) {
return upb_MiniTable_FindFieldByNumber(
&protobuf_test_messages_proto3_TestAllTypesProto3_msg_init, field_number);
}
const upb_MiniTable_Field* find_proto2_field(int field_number) {
return upb_MiniTable_FindFieldByNumber(
&protobuf_test_messages_proto2_TestAllTypesProto2_msg_init, field_number);
}
TEST(GeneratedCode, HazzersProto2) {
upb_Arena* arena = upb_Arena_New();
protobuf_test_messages_proto2_TestAllTypesProto2* msg =
protobuf_test_messages_proto2_TestAllTypesProto2_new(arena);
// Scalar/Boolean.
const upb_MiniTable_Field* optional_bool_field =
find_proto2_field(kFieldOptionalBool);
EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_bool_field));
protobuf_test_messages_proto2_TestAllTypesProto2_set_optional_bool(msg, true);
EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_bool_field));
upb_MiniTable_ClearField(msg, optional_bool_field);
EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_bool_field));
EXPECT_EQ(
false,
protobuf_test_messages_proto2_TestAllTypesProto2_optional_bool(msg));
// String.
const upb_MiniTable_Field* optional_string_field =
find_proto2_field(kFieldOptionalString);
EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_string_field));
protobuf_test_messages_proto2_TestAllTypesProto2_set_optional_string(
msg, upb_StringView_FromString(kTestStr1));
EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_string_field));
EXPECT_EQ(
strlen(kTestStr1),
protobuf_test_messages_proto2_TestAllTypesProto2_optional_string(msg)
.size);
upb_MiniTable_ClearField(msg, optional_string_field);
EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_string_field));
EXPECT_EQ(
0, protobuf_test_messages_proto2_TestAllTypesProto2_optional_string(msg)
.size);
// Message.
const upb_MiniTable_Field* optional_message_field =
find_proto2_field(kFieldOptionalNestedMessage);
EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_message_field));
protobuf_test_messages_proto2_TestAllTypesProto2_mutable_optional_nested_message(
msg, arena);
EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_message_field));
upb_MiniTable_ClearField(msg, optional_message_field);
EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_message_field));
EXPECT_EQ(
true,
protobuf_test_messages_proto2_TestAllTypesProto2_optional_nested_message(
msg) == nullptr);
// One of.
const upb_MiniTable_Field* optional_oneof_uint32_field =
find_proto2_field(kFieldOptionalOneOfUInt32);
const upb_MiniTable_Field* optional_oneof_string_field =
find_proto2_field(kFieldOptionalOneOfString);
EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_oneof_uint32_field));
EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_oneof_string_field));
protobuf_test_messages_proto2_TestAllTypesProto2_set_oneof_uint32(msg, 123);
EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_oneof_uint32_field));
EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_oneof_string_field));
protobuf_test_messages_proto2_TestAllTypesProto2_set_oneof_string(
msg, upb_StringView_FromString(kTestStr1));
EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_oneof_uint32_field));
EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_oneof_string_field));
upb_MiniTable_ClearField(msg, optional_oneof_uint32_field);
EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_oneof_uint32_field));
EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_oneof_string_field));
upb_MiniTable_ClearField(msg, optional_oneof_string_field);
EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_oneof_uint32_field));
EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_oneof_string_field));
upb_Arena_Free(arena);
}
TEST(GeneratedCode, ScalarsProto2) {
upb_Arena* arena = upb_Arena_New();
protobuf_test_messages_proto2_TestAllTypesProto2* msg =
protobuf_test_messages_proto2_TestAllTypesProto2_new(arena);
const upb_MiniTable_Field* optional_int32_field =
find_proto2_field(kFieldOptionalInt32);
EXPECT_EQ(
0, protobuf_test_messages_proto2_TestAllTypesProto2_optional_int32(msg));
EXPECT_EQ(0, upb_MiniTable_GetInt32(msg, optional_int32_field));
upb_MiniTable_SetInt32(msg, optional_int32_field, kTestInt32);
EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_int32_field));
EXPECT_EQ(kTestInt32, upb_MiniTable_GetInt32(msg, optional_int32_field));
EXPECT_EQ(
kTestInt32,
protobuf_test_messages_proto2_TestAllTypesProto2_optional_int32(msg));
const upb_MiniTable_Field* optional_uint32_field =
find_proto2_field(kFieldOptionalUInt32);
EXPECT_EQ(
0, protobuf_test_messages_proto2_TestAllTypesProto2_optional_uint32(msg));
EXPECT_EQ(0, upb_MiniTable_GetUInt32(msg, optional_uint32_field));
upb_MiniTable_SetUInt32(msg, optional_uint32_field, kTestUInt32);
EXPECT_EQ(kTestUInt32, upb_MiniTable_GetUInt32(msg, optional_uint32_field));
EXPECT_EQ(
kTestUInt32,
protobuf_test_messages_proto2_TestAllTypesProto2_optional_uint32(msg));
upb_Arena_Free(arena);
}
TEST(GeneratedCode, ScalarProto3) {
upb_Arena* arena = upb_Arena_New();
protobuf_test_messages_proto3_TestAllTypesProto3* msg =
protobuf_test_messages_proto3_TestAllTypesProto3_new(arena);
const upb_MiniTable_Field* optional_int64_field =
find_proto3_field(kFieldProto3OptionalInt64);
const upb_MiniTable_Field* optional_uint64_field =
find_proto3_field(kFieldProto3OptionalUInt64);
EXPECT_EQ(
0, protobuf_test_messages_proto3_TestAllTypesProto3_optional_int64(msg));
upb_MiniTable_SetInt64(msg, optional_int64_field, -1);
EXPECT_EQ(
-1, protobuf_test_messages_proto3_TestAllTypesProto3_optional_int64(msg));
EXPECT_EQ(-1, upb_MiniTable_GetInt64(msg, optional_int64_field));
EXPECT_EQ(
0, protobuf_test_messages_proto3_TestAllTypesProto3_optional_uint64(msg));
upb_MiniTable_SetUInt64(msg, optional_uint64_field, kTestUInt64);
EXPECT_EQ(
kTestUInt64,
protobuf_test_messages_proto3_TestAllTypesProto3_optional_uint64(msg));
EXPECT_EQ(kTestUInt64, upb_MiniTable_GetUInt64(msg, optional_uint64_field));
upb_Arena_Free(arena);
}
TEST(GeneratedCode, Strings) {
upb_Arena* arena = upb_Arena_New();
protobuf_test_messages_proto2_TestAllTypesProto2* msg =
protobuf_test_messages_proto2_TestAllTypesProto2_new(arena);
const upb_MiniTable_Field* optional_string_field =
find_proto2_field(kFieldOptionalString);
// Test default.
EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_string_field));
// Test read after write using C.
protobuf_test_messages_proto2_TestAllTypesProto2_set_optional_string(
msg, upb_StringView_FromString(kTestStr1));
EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_string_field));
upb_StringView value = upb_MiniTable_GetString(msg, optional_string_field);
std::string read_value = std::string(value.data, value.size);
EXPECT_EQ(kTestStr1, read_value);
// Clear.
upb_MiniTable_ClearField(msg, optional_string_field);
EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_string_field));
EXPECT_EQ(
false,
protobuf_test_messages_proto2_TestAllTypesProto2_has_optional_string(
msg));
upb_MiniTable_SetString(msg, optional_string_field,
upb_StringView_FromString(kTestStr2));
EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_string_field));
EXPECT_EQ(
true,
protobuf_test_messages_proto2_TestAllTypesProto2_has_optional_string(
msg));
value = protobuf_test_messages_proto2_TestAllTypesProto2_optional_string(msg);
read_value = std::string(value.data, value.size);
EXPECT_EQ(kTestStr2, read_value);
upb_Arena_Free(arena);
}
TEST(GeneratedCode, SubMessage) {
upb_Arena* arena = upb_Arena_New();
protobuf_test_messages_proto2_TestAllTypesProto2* msg =
protobuf_test_messages_proto2_TestAllTypesProto2_new(arena);
const upb_MiniTable_Field* optional_message_field =
find_proto2_field(kFieldOptionalNestedMessage);
const upb_Message* test_message =
upb_MiniTable_GetMessage(msg, optional_message_field);
EXPECT_EQ(NULL, test_message);
EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_message_field));
// Get mutable using C API.
protobuf_test_messages_proto2_TestAllTypesProto2_NestedMessage* nested_message =
protobuf_test_messages_proto2_TestAllTypesProto2_mutable_optional_nested_message(
msg, arena);
EXPECT_EQ(true, nested_message != nullptr);
EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_message_field));
protobuf_test_messages_proto2_TestAllTypesProto2_NestedMessage_set_a(
nested_message, 5);
// Read back using mini table API.
const upb_Message* sub_message =
upb_MiniTable_GetMessage(msg, optional_message_field);
EXPECT_EQ(true, sub_message != NULL);
const upb_MiniTable_Field* nested_message_a_field =
upb_MiniTable_FindFieldByNumber(
&protobuf_test_messages_proto2_TestAllTypesProto2_NestedMessage_msg_init,
kFieldOptionalNestedMessageA);
EXPECT_EQ(5, upb_MiniTable_GetInt32(sub_message, nested_message_a_field));
upb_MiniTable_ClearField(msg, optional_message_field);
EXPECT_EQ(
NULL,
protobuf_test_messages_proto2_TestAllTypesProto2_optional_nested_message(
msg));
EXPECT_EQ(false, upb_MiniTable_HasField(msg, optional_message_field));
upb_Message* new_nested_message =
protobuf_test_messages_proto2_TestAllTypesProto2_NestedMessage_new(arena);
upb_MiniTable_SetInt32(new_nested_message, nested_message_a_field, 123);
upb_MiniTable_SetMessage(
msg, &protobuf_test_messages_proto2_TestAllTypesProto2_msg_init,
optional_message_field, new_nested_message);
upb_Message* mutable_message = upb_MiniTable_GetMutableMessage(
msg, &protobuf_test_messages_proto2_TestAllTypesProto2_msg_init,
optional_message_field, arena);
EXPECT_EQ(
true,
protobuf_test_messages_proto2_TestAllTypesProto2_optional_nested_message(
msg) != NULL);
EXPECT_EQ(true, upb_MiniTable_HasField(msg, optional_message_field));
EXPECT_EQ(123,
upb_MiniTable_GetInt32(mutable_message, nested_message_a_field));
upb_Arena_Free(arena);
}
TEST(GeneratedCode, RepeatedScalar) {
upb_Arena* arena = upb_Arena_New();
protobuf_test_messages_proto2_TestAllTypesProto2* msg =
protobuf_test_messages_proto2_TestAllTypesProto2_new(arena);
const upb_MiniTable_Field* repeated_int32_field =
find_proto2_field(kFieldOptionalRepeatedInt32);
size_t len;
const int32_t* arr =
protobuf_test_messages_proto2_TestAllTypesProto2_repeated_int32(msg,
&len);
// Test Get/Set Array values, validate with C API.
EXPECT_EQ(0, len);
EXPECT_EQ(NULL, arr);
EXPECT_EQ(NULL, upb_MiniTable_GetArray(msg, repeated_int32_field));
protobuf_test_messages_proto2_TestAllTypesProto2_resize_repeated_int32(
msg, 10, arena);
int32_t* mutable_values =
protobuf_test_messages_proto2_TestAllTypesProto2_mutable_repeated_int32(
msg, &len);
mutable_values[5] = 123;
const upb_Array* readonly_arr =
upb_MiniTable_GetArray(msg, repeated_int32_field);
EXPECT_EQ(123, upb_Array_Get(readonly_arr, 5).int32_val);
upb_MessageValue new_value;
new_value.int32_val = 567;
upb_Array* mutable_array =
upb_MiniTable_GetMutableArray(msg, repeated_int32_field);
upb_Array_Set(mutable_array, 5, new_value);
EXPECT_EQ(new_value.int32_val,
protobuf_test_messages_proto2_TestAllTypesProto2_repeated_int32(
msg, &len)[5]);
// Test resize.
bool result = upb_Array_Resize(mutable_array, 20, arena);
EXPECT_EQ(true, result);
upb_Array_Set(mutable_array, 19, new_value);
EXPECT_EQ(new_value.int32_val,
protobuf_test_messages_proto2_TestAllTypesProto2_repeated_int32(
msg, &len)[19]);
upb_Array_Resize(mutable_array, 0, arena);
const int32_t* zero_length_array =
protobuf_test_messages_proto2_TestAllTypesProto2_repeated_int32(msg,
&len);
EXPECT_EQ(0, len);
EXPECT_EQ(true, zero_length_array != NULL);
upb_Arena_Free(arena);
}
TEST(GeneratedCode, GetMutableMessage) {
upb_Arena* arena = upb_Arena_New();
protobuf_test_messages_proto2_TestAllTypesProto2* msg =
protobuf_test_messages_proto2_TestAllTypesProto2_new(arena);
// Message.
const upb_MiniTable_Field* optional_message_field =
find_proto2_field(kFieldOptionalNestedMessage);
upb_Message* msg1 = upb_MiniTable_GetMutableMessage(
msg, &protobuf_test_messages_proto2_TestAllTypesProto2_msg_init,
optional_message_field, arena);
upb_Message* msg2 = upb_MiniTable_GetMutableMessage(
msg, &protobuf_test_messages_proto2_TestAllTypesProto2_msg_init,
optional_message_field, arena);
// Verify that newly constructed sub message is stored in msg.
EXPECT_EQ(msg1, msg2);
upb_Arena_Free(arena);
}
TEST(GeneratedCode, FindUnknown) {
upb_Arena* arena = upb_Arena_New();
upb_test_ModelWithExtensions* msg = upb_test_ModelWithExtensions_new(arena);
upb_test_ModelWithExtensions_set_random_int32(msg, 10);
upb_test_ModelWithExtensions_set_random_name(
msg, upb_StringView_FromString("Hello"));
upb_test_ModelExtension1* extension1 = upb_test_ModelExtension1_new(arena);
upb_test_ModelExtension1_set_str(extension1,
upb_StringView_FromString("World"));
upb_test_ModelExtension1_set_model_ext(msg, extension1, arena);
size_t serialized_size;
char* serialized =
upb_test_ModelWithExtensions_serialize(msg, arena, &serialized_size);
upb_test_EmptyMessageWithExtensions* base_msg =
upb_test_EmptyMessageWithExtensions_parse(serialized, serialized_size,
arena);
upb_FindUnknownRet result = upb_MiniTable_FindUnknown(
base_msg, upb_test_ModelExtension1_model_ext_ext.field.number);
EXPECT_EQ(kUpb_FindUnknown_Ok, result.status);
result = upb_MiniTable_FindUnknown(
base_msg, upb_test_ModelExtension2_model_ext_ext.field.number);
EXPECT_EQ(kUpb_FindUnknown_NotPresent, result.status);
upb_Arena_Free(arena);
}
TEST(GeneratedCode, Extensions) {
upb_Arena* arena = upb_Arena_New();
upb_test_ModelWithExtensions* msg = upb_test_ModelWithExtensions_new(arena);
upb_test_ModelWithExtensions_set_random_int32(msg, 10);
upb_test_ModelWithExtensions_set_random_name(
msg, upb_StringView_FromString("Hello"));
upb_test_ModelExtension1* extension1 = upb_test_ModelExtension1_new(arena);
upb_test_ModelExtension1_set_str(extension1,
upb_StringView_FromString("World"));
upb_test_ModelExtension2* extension2 = upb_test_ModelExtension2_new(arena);
upb_test_ModelExtension2_set_i(extension2, 5);
upb_test_ModelExtension1_set_model_ext(msg, extension1, arena);
upb_test_ModelExtension2_set_model_ext(msg, extension2, arena);
size_t serialized_size;
char* serialized =
upb_test_ModelWithExtensions_serialize(msg, arena, &serialized_size);
// Test known GetExtension
const upb_Message_Extension* upb_ext2;
upb_GetExtension_Status promote_status = upb_MiniTable_GetOrPromoteExtension(
msg, &upb_test_ModelExtension2_model_ext_ext, 0, arena, &upb_ext2);
upb_test_ModelExtension2* ext2 =
(upb_test_ModelExtension2*)upb_ext2->data.ptr;
EXPECT_EQ(kUpb_GetExtension_Ok, promote_status);
EXPECT_EQ(5, upb_test_ModelExtension2_i(ext2));
upb_test_EmptyMessageWithExtensions* base_msg =
upb_test_EmptyMessageWithExtensions_parse(serialized, serialized_size,
arena);
// Get unknown extension bytes before promotion.
const char* extension_data;
size_t len;
upb_GetExtensionAsBytes_Status status = upb_MiniTable_GetExtensionAsBytes(
base_msg, &upb_test_ModelExtension2_model_ext_ext, 0, arena,
&extension_data, &len);
EXPECT_EQ(kUpb_GetExtensionAsBytes_Ok, status);
EXPECT_EQ(0x48, extension_data[0]);
EXPECT_EQ(5, extension_data[1]);
// Test unknown GetExtension.
promote_status = upb_MiniTable_GetOrPromoteExtension(
base_msg, &upb_test_ModelExtension2_model_ext_ext, 0, arena, &upb_ext2);
ext2 = (upb_test_ModelExtension2*)upb_ext2->data.ptr;
EXPECT_EQ(kUpb_GetExtension_Ok, promote_status);
EXPECT_EQ(5, upb_test_ModelExtension2_i(ext2));
// Get unknown extension bytes after promotion.
status = upb_MiniTable_GetExtensionAsBytes(
base_msg, &upb_test_ModelExtension2_model_ext_ext, 0, arena,
&extension_data, &len);
EXPECT_EQ(kUpb_GetExtensionAsBytes_Ok, status);
EXPECT_EQ(0x48, extension_data[0]);
EXPECT_EQ(5, extension_data[1]);
upb_Arena_Free(arena);
}
// Create a minitable to mimic ModelWithSubMessages with unlinked subs
// to lazily promote unknowns after parsing.
upb_MiniTable* CreateMiniTableWithEmptySubTables(upb_Arena* arena) {
upb_MtDataEncoder e;
const size_t kBufferSize = 256;
char buf[kBufferSize];
char* ptr = buf;
e.end = ptr + kBufferSize;
ptr = upb_MtDataEncoder_StartMessage(&e, ptr, /* msg_mod= */ 0);
EXPECT_TRUE(ptr != nullptr);
ptr = upb_MtDataEncoder_PutField(&e, ptr, kUpb_FieldType_Int32, 4, 0);
ptr = upb_MtDataEncoder_PutField(&e, ptr, kUpb_FieldType_Message, 5, 0);
ptr = upb_MtDataEncoder_PutField(&e, ptr, kUpb_FieldType_Message, 6,
kUpb_FieldModifier_IsRepeated);
upb_Status status;
upb_Status_Clear(&status);
upb_MiniTable* table = upb_MiniTable_Build(
buf, ptr - buf, kUpb_MiniTablePlatform_Native, arena, &status);
EXPECT_EQ(status.ok, true);
// Initialize sub table to null. Not using upb_MiniTable_SetSubMessage
// since it checks ->ext on parameter.
upb_MiniTable_Sub* sub = const_cast<upb_MiniTable_Sub*>(
&table->subs[table->fields[1].submsg_index]);
sub->submsg = nullptr;
sub = const_cast<upb_MiniTable_Sub*>(
&table->subs[table->fields[2].submsg_index]);
sub->submsg = nullptr;
return table;
}
TEST(GeneratedCode, PromoteUnknownMessage) {
upb_Arena* arena = upb_Arena_New();
upb_test_ModelWithSubMessages* input_msg =
upb_test_ModelWithSubMessages_new(arena);
upb_test_ModelWithExtensions* sub_message =
upb_test_ModelWithExtensions_new(arena);
upb_test_ModelWithSubMessages_set_id(input_msg, 11);
upb_test_ModelWithExtensions_set_random_int32(sub_message, 12);
upb_test_ModelWithSubMessages_set_optional_child(input_msg, sub_message);
size_t serialized_size;
char* serialized = upb_test_ModelWithSubMessages_serialize(input_msg, arena,
&serialized_size);
upb_MiniTable* mini_table = CreateMiniTableWithEmptySubTables(arena);
upb_Message* msg = upb_Message_New(mini_table, arena);
upb_DecodeStatus decode_status = upb_Decode(serialized, serialized_size, msg,
mini_table, nullptr, 0, arena);
EXPECT_EQ(decode_status, kUpb_DecodeStatus_Ok);
int32_t val = upb_MiniTable_GetInt32(
msg, upb_MiniTable_FindFieldByNumber(mini_table, 4));
EXPECT_EQ(val, 11);
upb_FindUnknownRet unknown = upb_MiniTable_FindUnknown(msg, 5);
EXPECT_EQ(unknown.status, kUpb_FindUnknown_Ok);
// Update mini table and promote unknown to a message.
upb_MiniTable_SetSubMessage(mini_table,
(upb_MiniTable_Field*)&mini_table->fields[1],
&upb_test_ModelWithExtensions_msg_init);
const int decode_options =
UPB_DECODE_MAXDEPTH(100); // UPB_DECODE_ALIAS disabled.
upb_UnknownToMessageRet promote_result =
upb_MiniTable_PromoteUnknownToMessage(
msg, mini_table, &mini_table->fields[1],
&upb_test_ModelWithExtensions_msg_init, decode_options, arena);
EXPECT_EQ(promote_result.status, kUpb_UnknownToMessage_Ok);
const upb_Message* promoted_message =
upb_MiniTable_GetMessage(msg, &mini_table->fields[1]);
EXPECT_EQ(upb_test_ModelWithExtensions_random_int32(
(upb_test_ModelWithExtensions*)promoted_message),
12);
upb_Arena_Free(arena);
}
} // namespace