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/*
* upb - a minimalist implementation of protocol buffers.
*
* Copyright (c) 2011 Google Inc. See LICENSE for details.
*
* A test that verifies that our results are identical to proto2 for a
* given proto type and input protobuf.
*/
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <google/protobuf/descriptor.h>
#include "upb/def.h"
#include "upb/msg.h"
#include "upb/pb/glue.h"
#include "upb_test.h"
#include MESSAGE_HFILE
size_t string_size;
void compare(const google::protobuf::Message& proto2_msg,
void *upb_msg, upb_msgdef *upb_md);
void compare_arrays(const google::protobuf::Reflection *r,
const google::protobuf::Message& proto2_msg,
const google::protobuf::FieldDescriptor *proto2_f,
void *upb_msg, upb_fielddef *upb_f)
{
ASSERT(upb_msg_has(upb_msg, upb_f));
ASSERT(upb_isseq(upb_f));
void *arr = upb_value_getptr(upb_msg_getseq(upb_msg, upb_f));
void *iter = upb_seq_begin(arr, upb_f);
for(int i = 0;
i < r->FieldSize(proto2_msg, proto2_f);
i++, iter = upb_seq_next(arr, iter, upb_f)) {
ASSERT(!upb_seq_done(iter));
upb_value v = upb_seq_get(iter, upb_f);
switch(upb_f->type) {
default:
ASSERT(false);
case UPB_TYPE(DOUBLE):
ASSERT(r->GetRepeatedDouble(proto2_msg, proto2_f, i) == upb_value_getdouble(v));
break;
case UPB_TYPE(FLOAT):
ASSERT(r->GetRepeatedFloat(proto2_msg, proto2_f, i) == upb_value_getfloat(v));
break;
case UPB_TYPE(INT64):
case UPB_TYPE(SINT64):
case UPB_TYPE(SFIXED64):
ASSERT(r->GetRepeatedInt64(proto2_msg, proto2_f, i) == upb_value_getint64(v));
break;
case UPB_TYPE(UINT64):
case UPB_TYPE(FIXED64):
ASSERT(r->GetRepeatedUInt64(proto2_msg, proto2_f, i) == upb_value_getuint64(v));
break;
case UPB_TYPE(SFIXED32):
case UPB_TYPE(SINT32):
case UPB_TYPE(INT32):
case UPB_TYPE(ENUM):
ASSERT(r->GetRepeatedInt32(proto2_msg, proto2_f, i) == upb_value_getint32(v));
break;
case UPB_TYPE(FIXED32):
case UPB_TYPE(UINT32):
ASSERT(r->GetRepeatedUInt32(proto2_msg, proto2_f, i) == upb_value_getuint32(v));
break;
case UPB_TYPE(BOOL):
ASSERT(r->GetRepeatedBool(proto2_msg, proto2_f, i) == upb_value_getbool(v));
break;
case UPB_TYPE(STRING):
case UPB_TYPE(BYTES): {
std::string str = r->GetRepeatedString(proto2_msg, proto2_f, i);
upb_stdarray *upbstr = (upb_stdarray*)upb_value_getptr(v);
std::string str2(upbstr->ptr, upbstr->len);
string_size += upbstr->len;
ASSERT(str == str2);
break;
}
case UPB_TYPE(GROUP):
case UPB_TYPE(MESSAGE):
ASSERT(upb_dyncast_msgdef(upb_f->def) != NULL);
compare(r->GetRepeatedMessage(proto2_msg, proto2_f, i),
upb_value_getptr(v), upb_downcast_msgdef(upb_f->def));
}
}
ASSERT(upb_seq_done(iter));
}
#include <inttypes.h>
void compare_values(const google::protobuf::Reflection *r,
const google::protobuf::Message& proto2_msg,
const google::protobuf::FieldDescriptor *proto2_f,
void *upb_msg, upb_fielddef *upb_f)
{
upb_value v = upb_msg_get(upb_msg, upb_f);
switch(upb_f->type) {
default:
ASSERT(false);
case UPB_TYPE(DOUBLE):
ASSERT(r->GetDouble(proto2_msg, proto2_f) == upb_value_getdouble(v));
break;
case UPB_TYPE(FLOAT):
ASSERT(r->GetFloat(proto2_msg, proto2_f) == upb_value_getfloat(v));
break;
case UPB_TYPE(INT64):
case UPB_TYPE(SINT64):
case UPB_TYPE(SFIXED64):
ASSERT(r->GetInt64(proto2_msg, proto2_f) == upb_value_getint64(v));
break;
case UPB_TYPE(UINT64):
case UPB_TYPE(FIXED64):
ASSERT(r->GetUInt64(proto2_msg, proto2_f) == upb_value_getuint64(v));
break;
case UPB_TYPE(SFIXED32):
case UPB_TYPE(SINT32):
case UPB_TYPE(INT32):
case UPB_TYPE(ENUM):
ASSERT(r->GetInt32(proto2_msg, proto2_f) == upb_value_getint32(v));
break;
case UPB_TYPE(FIXED32):
case UPB_TYPE(UINT32):
ASSERT(r->GetUInt32(proto2_msg, proto2_f) == upb_value_getuint32(v));
break;
case UPB_TYPE(BOOL):
ASSERT(r->GetBool(proto2_msg, proto2_f) == upb_value_getbool(v));
break;
case UPB_TYPE(STRING):
case UPB_TYPE(BYTES): {
std::string str = r->GetString(proto2_msg, proto2_f);
upb_stdarray *upbstr = (upb_stdarray*)upb_value_getptr(v);
std::string str2(upbstr->ptr, upbstr->len);
string_size += upbstr->len;
ASSERT(str == str2);
break;
}
case UPB_TYPE(GROUP):
case UPB_TYPE(MESSAGE):
// XXX: getstr
compare(r->GetMessage(proto2_msg, proto2_f),
upb_value_getptr(v), upb_downcast_msgdef(upb_f->def));
}
}
void compare(const google::protobuf::Message& proto2_msg,
void *upb_msg, upb_msgdef *upb_md)
{
const google::protobuf::Reflection *r = proto2_msg.GetReflection();
const google::protobuf::Descriptor *d = proto2_msg.GetDescriptor();
ASSERT(d->field_count() == upb_msgdef_numfields(upb_md));
upb_msg_iter i;
for(i = upb_msg_begin(upb_md); !upb_msg_done(i); i = upb_msg_next(upb_md, i)) {
upb_fielddef *upb_f = upb_msg_iter_field(i);
const google::protobuf::FieldDescriptor *proto2_f =
d->FindFieldByNumber(upb_f->number);
// Make sure the definitions are equal.
ASSERT(upb_f);
ASSERT(proto2_f);
ASSERT(upb_f->number == proto2_f->number());
ASSERT(std::string(upb_f->name) == proto2_f->name());
ASSERT(upb_f->type == proto2_f->type());
ASSERT(upb_isseq(upb_f) == proto2_f->is_repeated());
if(!upb_msg_has(upb_msg, upb_f)) {
if(upb_isseq(upb_f))
ASSERT(r->FieldSize(proto2_msg, proto2_f) == 0);
else
ASSERT(r->HasField(proto2_msg, proto2_f) == false);
} else {
if(upb_isseq(upb_f)) {
compare_arrays(r, proto2_msg, proto2_f, upb_msg, upb_f);
} else {
ASSERT(r->HasField(proto2_msg, proto2_f) == true);
compare_values(r, proto2_msg, proto2_f, upb_msg, upb_f);
}
}
}
}
void parse_and_compare(MESSAGE_CIDENT *proto2_msg,
void *upb_msg, upb_msgdef *upb_md,
const char *str, size_t len)
{
// Parse to both proto2 and upb.
ASSERT(proto2_msg->ParseFromArray(str, len));
upb_status status = UPB_STATUS_INIT;
upb_msg_clear(upb_msg, upb_md);
upb_strtomsg(str, len, upb_msg, upb_md, &status);
if (!upb_ok(&status)) {
fprintf(stderr, "Error parsing protobuf: %s", upb_status_getstr(&status));
exit(1);
}
string_size = 0;
compare(*proto2_msg, upb_msg, upb_md);
printf("Total size: %zd, string size: %zd (%0.2f%%)\n", len,
string_size, (double)string_size / len * 100);
upb_status_uninit(&status);
}
int main(int argc, char *argv[])
{
// Change cwd to where the binary is.
(void)argc;
char *lastslash = strrchr(argv[0], '/');
char *progname = argv[0];
if(lastslash) {
*lastslash = '\0';
if(chdir(argv[0]) < 0) {
fprintf(stderr, "Error changing directory to %s.\n", argv[0]);
return 1;
}
*lastslash = '/';
progname = lastslash + 3; /* "/b_" */
}
// Initialize upb state, parse descriptor.
upb_status status = UPB_STATUS_INIT;
upb_symtab *symtab = upb_symtab_new();
size_t fds_len;
const char *fds = upb_readfile(MESSAGE_DESCRIPTOR_FILE, &fds_len);
if(fds == NULL) {
fprintf(stderr, "Couldn't read " MESSAGE_DESCRIPTOR_FILE ".\n");
return 1;
}
upb_read_descriptor(symtab, fds, fds_len, &status);
if(!upb_ok(&status)) {
fprintf(stderr, "Error importing " MESSAGE_DESCRIPTOR_FILE ": %s",
upb_status_getstr(&status));
return 1;
}
free((void*)fds);
upb_def *def = upb_symtab_lookup(symtab, MESSAGE_NAME);
upb_msgdef *msgdef;
if(!def || !(msgdef = upb_dyncast_msgdef(def))) {
fprintf(stderr, "Error finding symbol '%s'.\n", MESSAGE_NAME);
return 1;
}
// Read the message data itself.
size_t len;
const char *str = upb_readfile(MESSAGE_FILE, &len);
if(str == NULL) {
fprintf(stderr, "Error reading " MESSAGE_FILE "\n");
return 1;
}
// Run twice to test proper object reuse.
MESSAGE_CIDENT proto2_msg;
void *upb_msg = upb_stdmsg_new(msgdef);
parse_and_compare(&proto2_msg, upb_msg, msgdef, str, len);
parse_and_compare(&proto2_msg, upb_msg, msgdef, str, len);
printf("All tests passed, %d assertions.\n", num_assertions);
upb_stdmsg_free(upb_msg, msgdef);
upb_def_unref(UPB_UPCAST(msgdef));
free((void*)str);
upb_symtab_unref(symtab);
upb_status_uninit(&status);
google::protobuf::ShutdownProtobufLibrary();
return 0;
}
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