switch-pico/tests/bluepad32_backend_lifecycle_test.cpp

261 lines
9.4 KiB
C++

#include <cstdlib>
#include <cstring>
#include <iostream>
#include <string>
#include <uni.h>
namespace {
bool incoming_connections = false;
int scan_starts = 0;
int scan_stops = 0;
uni_platform* installed_platform = nullptr;
void require(bool condition, const char* message) {
if (!condition) {
std::cerr << message << '\n';
std::exit(1);
}
}
void play_rumble(uni_hid_device_t* device, uint16_t, uint16_t,
uint8_t high, uint8_t low) {
++device->rumble_calls;
device->last_high = high;
device->last_low = low;
}
uni_hid_device_t device(int idx, bool gamepad = true) {
uni_hid_device_t result{};
result.idx = idx;
result.gamepad = gamepad;
result.report_parser.play_dual_rumble = play_rumble;
return result;
}
} // namespace
bool uni_hid_device_is_gamepad(const uni_hid_device_t* device) {
return device != nullptr && device->gamepad;
}
int uni_hid_device_get_idx_for_instance(const uni_hid_device_t* device) {
return device == nullptr ? -1 : device->idx;
}
void uni_bt_allow_incoming_connections(bool enabled) {
incoming_connections = enabled;
}
void uni_bt_start_scanning_and_autoconnect_unsafe() {
++scan_starts;
}
void uni_bt_stop_scanning_unsafe() {
++scan_stops;
}
void uni_platform_set_custom(uni_platform* platform) {
installed_platform = platform;
}
int uni_init(int, const char**) {
return 0;
}
int cyw43_arch_init() {
return 0;
}
void cyw43_arch_gpio_put(int, bool) {}
void multicore_launch_core1(void (*)()) {}
#include "../bluepad32_input_backend.cpp"
namespace {
void start_backend() {
bluepad32_input_backend_init();
platform_on_init_complete();
require(incoming_connections, "initialization must allow connections");
require(scan_starts == 1, "initialization must start scanning");
}
void test_ready_order(int first_slot) {
start_backend();
uni_hid_device_t devices[2] = {device(0), device(1)};
const int second_slot = 1 - first_slot;
require(platform_on_device_ready(&devices[first_slot]) ==
UNI_ERROR_SUCCESS,
"first ready device must bind to its Bluepad index");
require(scan_stops == 0,
"scanning must continue while one slot remains free");
require(incoming_connections,
"incoming connections must remain enabled with one ready slot");
SwitchInputState first{};
SwitchInputState second{};
require(bluepad32_input_backend_snapshot(first_slot, &first),
"first ready slot must be active");
require(!bluepad32_input_backend_snapshot(second_slot, &second),
"other slot must remain independently inactive");
require(platform_on_device_ready(&devices[second_slot]) ==
UNI_ERROR_SUCCESS,
"second ready device must bind to its Bluepad index");
require(scan_stops == 1,
"scanning must stop exactly when both slots are ready");
require(!incoming_connections,
"incoming connections must be disabled only when full");
bd_addr_t address{};
require(platform_on_device_discovered(address, "extra", 0, 0) ==
UNI_ERROR_IGNORE_DEVICE,
"discovery must reject devices while both slots are occupied");
}
void test_rejections() {
start_backend();
uni_hid_device_t non_gamepad = device(0, false);
uni_hid_device_t out_of_range = device(2);
uni_hid_device_t slot_zero = device(0);
uni_hid_device_t collision = device(0);
require(platform_on_device_ready(&non_gamepad) ==
UNI_ERROR_INVALID_CONTROLLER,
"non-gamepad must be rejected");
require(platform_on_device_ready(&out_of_range) == UNI_ERROR_NO_SLOTS,
"out-of-range Bluepad index must be rejected");
require(platform_on_device_ready(&slot_zero) == UNI_ERROR_SUCCESS,
"valid device must occupy its indexed slot");
require(platform_on_device_ready(&collision) == UNI_ERROR_NO_SLOTS,
"different device cannot replace an occupied slot");
uni_controller_t data{};
data.klass = UNI_CONTROLLER_CLASS_GAMEPAD;
data.gamepad.buttons = BUTTON_B;
platform_on_controller_data(&collision, &data);
SwitchInputState snapshot{};
require(bluepad32_input_backend_snapshot(0, &snapshot),
"occupied slot must stay active");
require(!snapshot.button_a,
"mismatched device input must not enter the occupied slot");
}
void test_independent_lifecycle() {
start_backend();
uni_hid_device_t first = device(0);
uni_hid_device_t survivor = device(1);
require(platform_on_device_ready(&survivor) == UNI_ERROR_SUCCESS,
"slot 1 must be accepted before slot 0");
require(platform_on_device_ready(&first) == UNI_ERROR_SUCCESS,
"slot 0 must complete the pair");
uni_controller_t data0{};
data0.klass = UNI_CONTROLLER_CLASS_GAMEPAD;
data0.gamepad.buttons = BUTTON_B;
data0.gamepad.accel[0] = 8192;
uni_controller_t data1{};
data1.klass = UNI_CONTROLLER_CLASS_GAMEPAD;
data1.gamepad.buttons = BUTTON_A;
data1.gamepad.gyro[1] = 1024;
platform_on_controller_data(&first, &data0);
platform_on_controller_data(&survivor, &data1);
SwitchInputState state0{};
SwitchInputState state1{};
require(bluepad32_input_backend_snapshot(0, &state0) && state0.button_a &&
state0.imu_sample_count == 3,
"slot 0 input and IMU must map only to slot 0");
require(bluepad32_input_backend_snapshot(1, &state1) && state1.button_b &&
state1.imu_sample_count == 3,
"slot 1 input and IMU must map only to slot 1");
bluepad32_input_backend_report_sent(0);
require(bluepad32_input_backend_snapshot(0, &state0) &&
state0.imu_sample_count == 0,
"slot 0 report acknowledgement must consume only slot 0 IMU");
require(bluepad32_input_backend_snapshot(1, &state1) &&
state1.imu_sample_count == 3,
"slot 0 acknowledgement must not consume slot 1 IMU");
const SwitchRumbleOutput rumble0{11, 22};
const SwitchRumbleOutput rumble1{33, 44};
bluepad32_input_backend_queue_rumble(0, rumble0);
bluepad32_input_backend_queue_rumble(1, rumble1);
process_rumble_timer(&g_rumble_timer);
require(first.rumble_calls == 1 && first.last_low == 11 &&
first.last_high == 22,
"slot 0 rumble must reach only controller 0");
require(survivor.rumble_calls == 1 && survivor.last_low == 33 &&
survivor.last_high == 44,
"slot 1 rumble must reach only controller 1");
bluepad32_input_backend_queue_rumble(0, SwitchRumbleOutput{55, 66});
const uint32_t disconnected_generation =
g_slots[0].connection_generation;
const int starts_before_disconnect = scan_starts;
platform_on_device_disconnected(&first);
require(scan_starts == starts_before_disconnect + 1 &&
incoming_connections,
"disconnect must resume scanning and incoming connections");
require(!bluepad32_input_backend_snapshot(0, &state0) &&
!state0.button_a && state0.lx == 32768,
"disconnect must neutralize only its own slot");
require(bluepad32_input_backend_snapshot(1, &state1) && state1.button_b,
"disconnect must preserve survivor state and activity");
uni_hid_device_t replacement = device(0);
require(platform_on_device_ready(&replacement) == UNI_ERROR_SUCCESS,
"replacement must bind to the freed indexed slot");
process_rumble_timer(&g_rumble_timer);
require(replacement.rumble_calls == 0,
"replacement must not receive disconnected device rumble");
g_slots[0].pending_rumble = {
0, disconnected_generation, SwitchRumbleOutput{77, 88}};
g_slots[0].rumble_pending = true;
process_rumble_timer(&g_rumble_timer);
require(replacement.rumble_calls == 0,
"stale connection generation must be rejected at dispatch");
uni_controller_t replacement_data{};
replacement_data.klass = UNI_CONTROLLER_CLASS_GAMEPAD;
replacement_data.gamepad.buttons = BUTTON_Y;
platform_on_controller_data(&replacement, &replacement_data);
require(bluepad32_input_backend_snapshot(0, &state0) && state0.button_x,
"replacement input must populate only the freed slot");
require(bluepad32_input_backend_snapshot(1, &state1) && state1.button_b,
"replacement must not disturb survivor input");
bluepad32_input_backend_queue_rumble(0, SwitchRumbleOutput{90, 91});
bluepad32_input_backend_queue_rumble(1, SwitchRumbleOutput{92, 93});
process_rumble_timer(&g_rumble_timer);
require(replacement.rumble_calls == 1 && replacement.last_low == 90 &&
replacement.last_high == 91,
"replacement must receive only new-generation slot 0 rumble");
require(survivor.rumble_calls == 2 && survivor.last_low == 92 &&
survivor.last_high == 93,
"survivor rumble must continue after peer replacement");
}
} // namespace
int main(int argc, char** argv) {
require(argc == 2, "scenario argument required");
const std::string scenario = argv[1];
if (scenario == "ready-0-1") {
test_ready_order(0);
} else if (scenario == "ready-1-0") {
test_ready_order(1);
} else if (scenario == "rejections") {
test_rejections();
} else if (scenario == "lifecycle") {
test_independent_lifecycle();
} else {
require(false, "unknown scenario");
}
return 0;
}