liberty/tests/lxdrgen.c
Přemysl Eric Janouch ebbe7a1672
Import protocol code generator from xK, add tests
Also add a VIM syntax highlighting file.

This also fixes some previously untriggered bugs.
2022-09-30 03:06:36 +02:00

124 lines
3.5 KiB
C

/*
* tests/lxdrgen.c
*
* Copyright (c) 2022, Přemysl Eric Janouch <p@janouch.name>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#define PROGRAM_NAME "test"
#define PROGRAM_VERSION "0"
#include "../liberty.c"
#include "lxdrgen.lxdr.c"
static void
test_ser_deser_free (void)
{
hard_assert (PROTO_GEN_VERSION == 1);
enum { CASES = 3 };
struct proto_gen_struct a = {}, b = {};
a.u = xcalloc ((a.u_len = CASES + rand () % 100), sizeof *a.u);
for (size_t i = 0; i < a.u_len; i++)
{
union proto_gen_union *u = a.u + i;
switch (i % CASES)
{
case 0:
u->tag = PROTO_GEN_ENUM_NUMBERS;
u->numbers.a = rand () % UINT8_MAX;
u->numbers.b = rand () % UINT16_MAX;
u->numbers.c = rand () % UINT32_MAX;
u->numbers.d = rand () % UINT64_MAX;
u->numbers.e = rand () % UINT8_MAX;
u->numbers.f = rand () % UINT16_MAX;
u->numbers.g = rand () % UINT32_MAX;
u->numbers.h = rand () % UINT64_MAX;
break;
case 1:
u->tag = PROTO_GEN_ENUM_OTHERS;
u->others.foo = rand () % 2;
u->others.bar = str_make ();
for (int i = rand () % 0x30; i > 0; i--)
str_append_c (&u->others.bar, 0x30 + i);
break;
case 2:
u->tag = PROTO_GEN_ENUM_NOTHING;
break;
default:
hard_assert (!"unhandled case");
}
}
struct str buf = str_make ();
hard_assert (proto_gen_struct_serialize (&a, &buf));
struct msg_unpacker r = msg_unpacker_make (buf.str, buf.len);
hard_assert (proto_gen_struct_deserialize (&b, &r));
hard_assert (!msg_unpacker_get_available (&r));
str_free (&buf);
hard_assert (a.u_len == b.u_len);
for (size_t i = 0; i < a.u_len; i++)
{
union proto_gen_union *ua = a.u + i;
union proto_gen_union *ub = b.u + i;
hard_assert (ua->tag == ub->tag);
switch (ua->tag)
{
case PROTO_GEN_ENUM_NUMBERS:
hard_assert (ua->numbers.a == ub->numbers.a);
hard_assert (ua->numbers.b == ub->numbers.b);
hard_assert (ua->numbers.c == ub->numbers.c);
hard_assert (ua->numbers.d == ub->numbers.d);
hard_assert (ua->numbers.e == ub->numbers.e);
hard_assert (ua->numbers.f == ub->numbers.f);
hard_assert (ua->numbers.g == ub->numbers.g);
hard_assert (ua->numbers.h == ub->numbers.h);
break;
case PROTO_GEN_ENUM_OTHERS:
hard_assert (ua->others.foo == ub->others.foo);
hard_assert (ua->others.bar.len == ub->others.bar.len);
hard_assert (!memcmp (ua->others.bar.str, ub->others.bar.str,
ua->others.bar.len));
break;
case PROTO_GEN_ENUM_NOTHING:
break;
default:
hard_assert (!"unexpected case");
}
}
// Emulate partially deserialized data to test disposal of that.
for (size_t i = b.u_len - CASES; i < b.u_len; i++)
{
proto_gen_union_free (&b.u[i]);
memset (&b.u[i], 0, sizeof b.u[i]);
}
proto_gen_struct_free (&a);
proto_gen_struct_free (&b);
}
int
main (int argc, char *argv[])
{
struct test test;
test_init (&test, argc, argv);
test_add_simple (&test, "/ser-deser-free", NULL, test_ser_deser_free);
return test_run (&test);
}