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tests: exercise lobby BIOS CRC wire roundtrip and fresh local offers

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This commit is contained in:
Matthew Stanley
2026-09-30 14:22:50 -07:00
parent 61aa87f04c
commit c472e4ee3b
2 changed files with 97 additions and 0 deletions
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runtime/CMakeLists.txt
+11
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@@ -778,6 +778,17 @@ if(BUILD_TESTING)
"${PSXRECOMP_ROOT}/runtime/src/netplay_bios_settle.c")
target_link_libraries(lobby_chat_ring_test PRIVATE recomp_net)
add_test(NAME lobby_chat_ring_test COMMAND lobby_chat_ring_test)
add_executable(netplay_bios_wire_test
tests/test_netplay_bios_wire.c
src/netplay_bios_settle.c
src/lobby_ws/rnet_ws.c
src/lobby_ws/rnet_sha1.c)
target_include_directories(netplay_bios_wire_test PRIVATE
include src src/lobby_ws ${_RNET_ROOT}/include)
target_compile_definitions(netplay_bios_wire_test PRIVATE
PSX_HAS_LOBBY_CLIENT=1 PSX_HAS_RECOMP_NET=1)
target_link_libraries(netplay_bios_wire_test PRIVATE recomp_net)
add_test(NAME netplay_bios_wire_test COMMAND netplay_bios_wire_test)
endif()
add_executable(rb_post_tip_filter_test tests/test_rb_post_tip_filter.c)
runtime/tests/test_netplay_bios_wire.c
+86
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@@ -0,0 +1,86 @@
/* Exercise the actual lobby parser/serializer and seat reconciliation.
* No server or sockets: link the same real dependencies as chat-ring tests. */
#ifndef _POSIX_C_SOURCE
#define _POSIX_C_SOURCE 200809L
#endif
#include <stdio.h>
#include <string.h>
#include "../src/psx_lobby_client.c"
uint64_t psx_host_mono_ms(void) { return 1; }
static int failures;
#define CHECK(c) do { if (!(c)) { fprintf(stderr, "%d: %s\n", __LINE__, #c); ++failures; } } while (0)
static void wire_roundtrip(void) {
PsxLobbyMatchCaps before, after;
char wire[2048], object[1024];
memset(&before, 0, sizeof(before));
before.valid = 1;
before.aspect_num = 16;
before.aspect_den = 9;
before.rollback = 1;
strcpy(before.language, "it");
strcpy(before.session_bios, "scph1001");
before.session_bios_crc = 0xD786F0B9u;
CHECK(append_match_caps_json(wire, sizeof(wire), &before) > 0);
CHECK(json_extract_object(wire, "match_caps", object, sizeof(object)));
parse_match_caps_object(object, &after);
CHECK(after.valid && after.session_bios_crc == before.session_bios_crc);
CHECK(after.rollback == 1 && after.aspect_num == 16 && after.aspect_den == 9);
CHECK(strcmp(after.language, "it") == 0);
parse_match_caps_object("{\"session_bios\":\"scph1001\"}", &after);
CHECK(after.valid && after.session_bios_crc == 0); /* legacy host */
parse_match_caps_object("{\"session_bios\":\"openbios\",\"session_bios_crc\":\"d786f0b9\"}", &after);
CHECK(after.session_bios_crc == 0); /* irrelevant retail CRC ignored */
parse_match_caps_object("{\"session_bios\":\"scph1001\",\"session_bios_crc\":\"invalid\"}", &after);
CHECK(after.session_bios_crc == 0);
}
static void local_offer_wins(void) {
char token[16], why[192];
uint32_t crc;
memset(&g_lc, 0, sizeof(g_lc));
strcpy(g_lc.player_id, "me");
g_lc.is_host = 1;
g_lc.member_count = 2;
strcpy(g_lc.members[0].player_id, "me");
strcpy(g_lc.members[1].player_id, "peer");
for (int i = 0; i < 2; ++i) {
g_lc.members[i].bios_offer_valid = 1;
g_lc.members[i].bios_can_scph1001 = 1;
g_lc.members[i].bios_retail_crc = 0x37157331u;
}
/* The local file changed after the stale server echo, now matching peer. */
g_lc.members[0].bios_retail_crc = 0xD786F0B9u;
g_lc.bios_offer.valid = 1;
g_lc.bios_offer.can_scph1001 = 1;
g_lc.bios_offer.retail_crc = 0x37157331u;
CHECK(psx_lobby_settle_session_bios(token, sizeof(token), &crc, why, sizeof(why)) == 0);
CHECK(strcmp(token, "scph1001") == 0 && crc == 0x37157331u && !why[0]);
g_lc.members[1].bios_retail_crc = 0xD786F0B9u;
CHECK(psx_lobby_settle_session_bios(token, sizeof(token), &crc, why, sizeof(why)) == 1);
CHECK(!token[0] && crc == 0 && strstr(why, "SCPH-1001") && strstr(why, "SCPH-5552"));
g_lc.bios_offer.can_openbios = 1;
g_lc.members[1].bios_can_openbios = 1;
CHECK(psx_lobby_settle_session_bios(token, sizeof(token), &crc, why, sizeof(why)) == 0);
CHECK(strcmp(token, "openbios") == 0 && crc == 0);
}
static void exit_message_bounds(void) {
char long_message[512];
memset(long_message, 'x', sizeof(long_message));
long_message[sizeof(long_message)-1] = 0;
psx_lobby_set_last_error(long_message);
CHECK(strlen(g_lc.join.last_error) == sizeof(g_lc.join.last_error)-1);
psx_lobby_set_last_error(NULL);
CHECK(!g_lc.join.last_error[0]);
}
int main(void) {
wire_roundtrip();
local_offer_wins();
exit_message_bounds();
if (failures) return 1;
puts("netplay BIOS wire/local-offer regression: PASS");
return 0;
}