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#include "tests/test_util.h"
#include "tests/upb_test.h"
#include "upb/bindings/stdc++/string.h"
#include "google/protobuf/descriptor.upb.h"
#include "upb/pb/decoder.h"
#include "upb/pb/encoder.h"
std::string read_string(const char *filename) {
size_t len;
char *str = upb_readfile(filename, &len);
ASSERT(str);
if (!str) { return std::string(); }
std::string ret = std::string(str, len);
free(str);
return ret;
}
void test_pb_roundtrip() {
std::string input = read_string("google/protobuf/descriptor.pb");
upb::SymbolTable* symtab = upb::SymbolTable::New();
upb::Arena arena;
google_protobuf_FileDescriptorSet *set =
google_protobuf_FileDescriptorSet_parsenew(
upb_stringview_make(input.c_str(), input.size()), &arena);
ASSERT(set);
const upb_array *arr = google_protobuf_FileDescriptorSet_file(set);
const google_protobuf_FileDescriptorProto *file_proto =
static_cast<const google_protobuf_FileDescriptorProto *>(
upb_msgval_getptr(upb_array_get(arr, 0)));
upb::Status status;
bool ok = symtab->AddFile(file_proto, &status);
ASSERT(ok);
const upb::MessageDef *md =
symtab->LookupMessage("google.protobuf.FileDescriptorSet");
ASSERT(md);
upb::reffed_ptr<const upb::Handlers> encoder_handlers(
upb::pb::Encoder::NewHandlers(md));
upb::reffed_ptr<const upb::pb::DecoderMethod> method(
upb::pb::DecoderMethod::New(
upb::pb::DecoderMethodOptions(encoder_handlers.get())));
upb::InlinedEnvironment<512> env;
std::string output;
upb::StringSink string_sink(&output);
upb::pb::Encoder* encoder =
upb::pb::Encoder::Create(&env, encoder_handlers.get(),
string_sink.input());
upb::pb::Decoder* decoder =
upb::pb::Decoder::Create(&env, method.get(), encoder->input());
ok = upb::BufferSource::PutBuffer(input, decoder->input());
ASSERT(ok);
ASSERT(input == output);
upb::SymbolTable::Free(symtab);
}
extern "C" {
int run_tests(int argc, char *argv[]) {
UPB_UNUSED(argc);
UPB_UNUSED(argv);
test_pb_roundtrip();
return 0;
}
}
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