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/* Make sure that all fields are freed in various scenarios. */
#include <pb_decode.h>
#include <pb_encode.h>
#include <malloc_wrappers.h>
#include <stdio.h>
#include <test_helpers.h>
#include "mem_release.pb.h"
#define TEST(x) if (!(x)) { \
fprintf(stderr, "Test " #x " on line %d failed.\n", __LINE__); \
return false; \
}
static char *test_str_arr[] = {"1", "2", ""};
static SubMessage test_msg_arr[] = {SubMessage_init_zero, SubMessage_init_zero};
static pb_extension_t ext1, ext2;
static void fill_TestMessage(TestMessage *msg)
{
msg->static_req_submsg.dynamic_str = "12345";
msg->static_req_submsg.dynamic_str_arr_count = 3;
msg->static_req_submsg.dynamic_str_arr = test_str_arr;
msg->static_req_submsg.dynamic_submsg_count = 2;
msg->static_req_submsg.dynamic_submsg = test_msg_arr;
msg->static_req_submsg.dynamic_submsg[1].dynamic_str = "abc";
msg->static_opt_submsg.dynamic_str = "abc";
msg->static_rep_submsg_count = 2;
msg->static_rep_submsg[1].dynamic_str = "abc";
msg->has_static_opt_submsg = true;
msg->dynamic_submsg = &msg->static_req_submsg;
msg->extensions = &ext1;
ext1.type = &dynamic_ext;
ext1.dest = &msg->static_req_submsg;
ext1.next = &ext2;
ext2.type = &static_ext;
ext2.dest = &msg->static_req_submsg;
ext2.next = NULL;
}
/* Basic fields, nested submessages, extensions */
static bool test_TestMessage()
{
uint8_t buffer[256];
size_t msgsize;
/* Construct a message with various fields filled in */
{
TestMessage msg = TestMessage_init_zero;
pb_ostream_t stream;
fill_TestMessage(&msg);
stream = pb_ostream_from_buffer(buffer, sizeof(buffer));
if (!pb_encode(&stream, TestMessage_fields, &msg))
{
fprintf(stderr, "Encode failed: %s\n", PB_GET_ERROR(&stream));
return false;
}
msgsize = stream.bytes_written;
}
/* Output encoded message for debug */
SET_BINARY_MODE(stdout);
fwrite(buffer, 1, msgsize, stdout);
/* Decode memory using dynamic allocation */
{
TestMessage msg = TestMessage_init_zero;
pb_istream_t stream;
SubMessage ext2_dest;
msg.extensions = &ext1;
ext1.type = &dynamic_ext;
ext1.dest = NULL;
ext1.next = &ext2;
ext2.type = &static_ext;
ext2.dest = &ext2_dest;
ext2.next = NULL;
stream = pb_istream_from_buffer(buffer, msgsize);
if (!pb_decode(&stream, TestMessage_fields, &msg))
{
fprintf(stderr, "Decode failed: %s\n", PB_GET_ERROR(&stream));
return false;
}
/* Make sure it encodes back to same data */
{
uint8_t buffer2[256];
pb_ostream_t ostream = pb_ostream_from_buffer(buffer2, sizeof(buffer2));
TEST(pb_encode(&ostream, TestMessage_fields, &msg));
TEST(ostream.bytes_written == msgsize);
TEST(memcmp(buffer, buffer2, msgsize) == 0);
}
/* Make sure that malloc counters work */
TEST(get_alloc_count() > 0);
/* Make sure that pb_release releases everything */
pb_release(TestMessage_fields, &msg);
TEST(get_alloc_count() == 0);
/* Check that double-free is a no-op */
pb_release(TestMessage_fields, &msg);
TEST(get_alloc_count() == 0);
}
return true;
}
/* Oneofs */
static bool test_OneofMessage()
{
uint8_t buffer[256];
size_t msgsize;
{
pb_ostream_t stream = pb_ostream_from_buffer(buffer, sizeof(buffer));
/* Encode first with TestMessage */
{
OneofMessage msg = OneofMessage_init_zero;
msg.which_msgs = OneofMessage_msg1_tag;
fill_TestMessage(&msg.msgs.msg1);
if (!pb_encode(&stream, OneofMessage_fields, &msg))
{
fprintf(stderr, "Encode failed: %s\n", PB_GET_ERROR(&stream));
return false;
}
}
/* Encode second with SubMessage, invoking 'merge' behaviour */
{
OneofMessage msg = OneofMessage_init_zero;
msg.which_msgs = OneofMessage_msg2_tag;
msg.first = 999;
msg.msgs.msg2.dynamic_str = "ABCD";
msg.last = 888;
if (!pb_encode(&stream, OneofMessage_fields, &msg))
{
fprintf(stderr, "Encode failed: %s\n", PB_GET_ERROR(&stream));
return false;
}
}
msgsize = stream.bytes_written;
}
{
OneofMessage msg = OneofMessage_init_zero;
pb_istream_t stream = pb_istream_from_buffer(buffer, msgsize);
if (!pb_decode(&stream, OneofMessage_fields, &msg))
{
fprintf(stderr, "Decode failed: %s\n", PB_GET_ERROR(&stream));
return false;
}
TEST(msg.first == 999);
TEST(msg.which_msgs == OneofMessage_msg2_tag);
TEST(msg.msgs.msg2.dynamic_str);
TEST(strcmp(msg.msgs.msg2.dynamic_str, "ABCD") == 0);
TEST(msg.msgs.msg2.dynamic_str_arr == NULL);
TEST(msg.msgs.msg2.dynamic_submsg == NULL);
TEST(msg.last == 888);
pb_release(OneofMessage_fields, &msg);
TEST(get_alloc_count() == 0);
pb_release(OneofMessage_fields, &msg);
TEST(get_alloc_count() == 0);
}
return true;
}
int main()
{
if (test_TestMessage() && test_OneofMessage())
return 0;
else
return 1;
}
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