Scale AIO transport to four controllers

This commit is contained in:
Joey Yakimowich-Payne 2026-08-30 23:23:29 -06:00
commit fac919a798
13 changed files with 617 additions and 342 deletions

View file

@ -97,10 +97,16 @@ void tick_backend_timer(int ticks) {
}
}
void test_ready_order(int first_slot) {
void test_ready_order(bool reverse) {
start_backend();
uni_hid_device_t devices[2] = {device(0), device(1)};
const int second_slot = 1 - first_slot;
uni_hid_device_t devices[kSlotCount] = {
device(0), device(1), device(2), device(3)};
uni_hid_device_t replacements[kSlotCount] = {
device(0), device(1), device(2), device(3)};
const int forward[kSlotCount] = {0, 1, 2, 3};
const int backward[kSlotCount] = {3, 2, 1, 0};
const int* order = reverse ? backward : forward;
tick_backend_timer(99);
require(observed_status_led_on,
"scanning LED must stay on for the first slow-blink half-cycle");
@ -108,7 +114,7 @@ void test_ready_order(int first_slot) {
require(!observed_status_led_on,
"scanning LED must turn off at the slow-blink half-cycle");
platform_on_device_connected(&devices[first_slot]);
platform_on_device_connected(&devices[order[0]]);
tick_backend_timer(19);
require(observed_status_led_on,
"connecting LED must stay on for the first fast-blink half-cycle");
@ -119,53 +125,83 @@ void test_ready_order(int first_slot) {
require(observed_status_led_on,
"connecting LED must turn on for the next fast-blink cycle");
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");
tick_backend_timer(99);
require(observed_status_led_on,
"one ready slot must leave the LED in the slow scanning cycle");
tick_backend_timer(1);
require(!observed_status_led_on,
"one open slot must produce the scanning LED off transition");
for (int position = 0; position < kSlotCount; ++position) {
const int slot = order[position];
require(platform_on_device_ready(&devices[slot]) == UNI_ERROR_SUCCESS,
"ready device must bind to its Bluepad index");
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");
for (int candidate = 0; candidate < kSlotCount; ++candidate) {
SwitchInputState snapshot{};
bool expected_active = false;
for (int ready = 0; ready <= position; ++ready) {
expected_active = expected_active || order[ready] == candidate;
}
require(bluepad32_input_backend_snapshot(candidate, &snapshot) ==
expected_active,
"only ready indexed slots may become active");
}
if (position + 1 < kSlotCount) {
require(scan_stops == 0,
"scanning must continue while any slot remains free");
require(incoming_connections,
"incoming connections must remain enabled before all slots are ready");
if (position == 0) {
tick_backend_timer(99);
require(observed_status_led_on,
"a partially full backend must use the scanning LED on half-cycle");
tick_backend_timer(1);
require(!observed_status_led_on,
"a partially full backend must use the scanning LED off half-cycle");
}
}
}
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");
"scanning must stop exactly when all four slots are ready");
require(!incoming_connections,
"incoming connections must be disabled only when full");
"incoming connections must be disabled only when all slots are full");
tick_backend_timer(1);
require(observed_status_led_on,
"both ready slots must turn the status LED on");
"four ready slots must turn the status LED on");
const int ready_led_writes = observed_status_led_writes;
tick_backend_timer(200);
require(observed_status_led_on &&
observed_status_led_writes == ready_led_writes,
"both ready slots must keep the status LED solid");
"four ready slots must keep the status LED solid");
for (int slot = 0; slot < kSlotCount; ++slot) {
const int starts_before_disconnect = scan_starts;
platform_on_device_disconnected(&devices[slot]);
require(scan_starts == starts_before_disconnect + 1 &&
scanning_enabled && incoming_connections,
"disconnecting any slot must resume connection policy");
for (int candidate = 0; candidate < kSlotCount; ++candidate) {
SwitchInputState snapshot{};
require(bluepad32_input_backend_snapshot(candidate, &snapshot) ==
(candidate != slot),
"disconnect must preserve every surviving slot");
}
require(platform_on_device_ready(&replacements[slot]) ==
UNI_ERROR_SUCCESS,
"replacement must bind to each freed indexed slot");
require(!scanning_enabled && !incoming_connections,
"restoring four ready slots must stop connection policy");
devices[slot] = replacements[slot];
}
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");
"discovery must reject devices while all four 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 out_of_range = device(4);
uni_hid_device_t slot_zero = device(0);
uni_hid_device_t collision = device(0);
@ -173,21 +209,39 @@ void test_rejections() {
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");
"Bluepad index 4 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);
uni_controller_t collision_data{};
collision_data.klass = UNI_CONTROLLER_CLASS_GAMEPAD;
collision_data.gamepad.buttons = BUTTON_B;
platform_on_controller_data(&collision, &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");
uni_controller_t slot_zero_data{};
slot_zero_data.klass = UNI_CONTROLLER_CLASS_GAMEPAD;
slot_zero_data.gamepad.accel[0] = 8192;
platform_on_controller_data(&slot_zero, &slot_zero_data);
require(bluepad32_input_backend_snapshot(0, &snapshot) &&
snapshot.imu_sample_count == 3,
"valid slot input must remain observable");
require(!bluepad32_input_backend_snapshot(4, &snapshot),
"public snapshot must reject slot 4");
bluepad32_input_backend_report_sent(4);
require(bluepad32_input_backend_snapshot(0, &snapshot) &&
snapshot.imu_sample_count == 3,
"slot 4 acknowledgement must not consume slot 0 IMU");
bluepad32_input_backend_queue_rumble(4, SwitchRumbleOutput{1, 2});
process_rumble_timer(&g_rumble_timer);
require(slot_zero.rumble_calls == 0,
"slot 4 rumble must not reach a valid controller");
}
void test_independent_lifecycle() {
@ -222,13 +276,14 @@ void test_independent_lifecycle() {
require(!observed_status_led_on,
"pre-ready disconnect must restore the slow LED off half-cycle");
uni_hid_device_t first = device(0);
uni_hid_device_t survivor = device(1);
platform_on_device_connected(&first);
platform_on_device_connected(&survivor);
require(g_slots[0].device == &first && !g_slots[0].active &&
g_slots[1].device == &survivor && !g_slots[1].active,
"concurrent pending devices must retain independent identities");
uni_hid_device_t devices[kSlotCount] = {
device(0), device(1), device(2), device(3)};
for (int slot = 0; slot < kSlotCount; ++slot) {
platform_on_device_connected(&devices[slot]);
require(g_slots[slot].device == &devices[slot] &&
!g_slots[slot].active,
"each pending device must retain its indexed identity");
}
tick_backend_timer(19);
require(observed_status_led_on,
"concurrent pending devices must use the fast LED on half-cycle");
@ -239,182 +294,246 @@ void test_independent_lifecycle() {
const uint32_t first_pending_generation =
g_slots[0].connection_generation;
const int starts_before_first_pending_disconnect = scan_starts;
platform_on_device_disconnected(&first);
require(g_slots[0].device == nullptr && !g_slots[0].active &&
g_slots[1].device == &survivor && !g_slots[1].active,
"pre-ready disconnect must preserve the other pending identity");
platform_on_device_disconnected(&devices[0]);
require(g_slots[0].device == nullptr && !g_slots[0].active,
"pre-ready disconnect must clear only its own pending identity");
for (int slot = 1; slot < kSlotCount; ++slot) {
require(g_slots[slot].device == &devices[slot] &&
!g_slots[slot].active,
"pre-ready disconnect must preserve all pending survivors");
}
require(g_slots[0].connection_generation ==
first_pending_generation + 1,
"pending disconnect beside a peer must invalidate its generation");
"pending disconnect beside peers must invalidate its generation");
require(g_connection_status == ConnectionStatus::Connecting &&
scanning_enabled && incoming_connections &&
scan_starts == starts_before_first_pending_disconnect + 1,
"open slot must scan while another slot remains connecting");
"open slot must scan while other slots remain connecting");
tick_backend_timer(19);
require(observed_status_led_on,
"surviving pending device must retain the fast LED on half-cycle");
"surviving pending devices must retain the fast LED on half-cycle");
tick_backend_timer(1);
require(!observed_status_led_on,
"surviving pending device must retain the fast LED off half-cycle");
"surviving pending devices must retain the fast LED off half-cycle");
require(platform_on_device_ready(&survivor) == UNI_ERROR_SUCCESS,
"surviving pending device must still become ready");
platform_on_device_connected(&first);
require(platform_on_device_ready(&first) == UNI_ERROR_SUCCESS,
"reconnected slot 0 device must complete the pair");
for (int slot = 1; slot < kSlotCount; ++slot) {
require(platform_on_device_ready(&devices[slot]) == UNI_ERROR_SUCCESS,
"each surviving pending device must still become ready");
}
platform_on_device_connected(&devices[0]);
require(platform_on_device_ready(&devices[0]) == UNI_ERROR_SUCCESS,
"reconnected slot 0 device must complete all four slots");
require(g_connection_status == ConnectionStatus::Ready &&
!scanning_enabled && !incoming_connections,
"four ready lifecycle devices must stop connection policy");
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);
const uint32_t buttons[kSlotCount] = {
BUTTON_B, BUTTON_A, BUTTON_X, BUTTON_Y};
uni_controller_t data[kSlotCount]{};
for (int slot = 0; slot < kSlotCount; ++slot) {
data[slot].klass = UNI_CONTROLLER_CLASS_GAMEPAD;
data[slot].gamepad.buttons = buttons[slot];
data[slot].gamepad.accel[slot % 3] = 8192 + slot;
data[slot].gamepad.gyro[(slot + 1) % 3] = 1024 + slot;
platform_on_controller_data(&devices[slot], &data[slot]);
}
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");
SwitchInputState states[kSlotCount]{};
for (int slot = 0; slot < kSlotCount; ++slot) {
require(bluepad32_input_backend_snapshot(slot, &states[slot]) &&
states[slot].imu_sample_count == 3,
"every slot must expose independent input and IMU");
}
require(states[0].button_a && !states[0].button_b &&
!states[0].button_y && !states[0].button_x,
"slot 0 must contain only slot 0 input");
require(states[1].button_b && !states[1].button_a &&
!states[1].button_y && !states[1].button_x,
"slot 1 must contain only slot 1 input");
require(states[2].button_y && !states[2].button_a &&
!states[2].button_b && !states[2].button_x,
"slot 2 must contain only slot 2 input");
require(states[3].button_x && !states[3].button_a &&
!states[3].button_b && !states[3].button_y,
"slot 3 must contain only slot 3 input");
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");
bluepad32_input_backend_report_sent(3);
for (int slot = 0; slot < kSlotCount; ++slot) {
require(bluepad32_input_backend_snapshot(slot, &states[slot]) &&
states[slot].imu_sample_count == (slot == 3 ? 0 : 3),
"slot 3 acknowledgement must not consume slots 0-2 IMU");
}
for (int slot = 0; slot < 3; ++slot) {
bluepad32_input_backend_report_sent(slot);
require(bluepad32_input_backend_snapshot(slot, &states[slot]) &&
states[slot].imu_sample_count == 0,
"each slot acknowledgement must consume only its own 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);
const SwitchRumbleOutput initial_rumble[kSlotCount] = {
{11, 21}, {12, 22}, {13, 23}, {14, 24}};
for (int slot = 0; slot < kSlotCount; ++slot) {
bluepad32_input_backend_queue_rumble(slot, initial_rumble[slot]);
}
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");
for (int slot = 0; slot < kSlotCount; ++slot) {
require(devices[slot].rumble_calls == 1 &&
devices[slot].last_low == 11 + slot &&
devices[slot].last_high == 21 + slot,
"each slot rumble must reach only its indexed controller");
}
bluepad32_input_backend_queue_rumble(0, SwitchRumbleOutput{55, 66});
bluepad32_input_backend_queue_rumble(3, 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");
const int starts_before_slot_one_disconnect = scan_starts;
platform_on_device_disconnected(&survivor);
require(scan_starts == starts_before_slot_one_disconnect + 1 &&
incoming_connections,
"slot 1 disconnect must resume scanning for its open slot");
require(bluepad32_input_backend_snapshot(0, &state0) && state0.button_x,
"slot 1 disconnect must preserve slot 0 state and activity");
require(!bluepad32_input_backend_snapshot(1, &state1) &&
!state1.button_b && state1.lx == 32768,
"slot 1 disconnect must neutralize only slot 1");
uni_controller_t continuing_slot_zero_data{};
continuing_slot_zero_data.klass = UNI_CONTROLLER_CLASS_GAMEPAD;
continuing_slot_zero_data.gamepad.buttons = BUTTON_B;
platform_on_controller_data(&replacement, &continuing_slot_zero_data);
require(bluepad32_input_backend_snapshot(0, &state0) && state0.button_a,
"slot 0 input must continue while slot 1 is disconnected");
const int slot_zero_calls_while_scanning = replacement.rumble_calls;
g_slots[3].connection_generation;
const int starts_before_slot_three_disconnect = scan_starts;
platform_on_device_disconnected(&devices[3]);
require(scan_starts == starts_before_slot_three_disconnect + 1 &&
scanning_enabled && incoming_connections,
"slot 3 disconnect must resume scanning and incoming connections");
require(!bluepad32_input_backend_snapshot(3, &states[3]) &&
!states[3].button_x && states[3].lx == 32768,
"slot 3 disconnect must neutralize only slot 3");
require(bluepad32_input_backend_snapshot(0, &states[0]) &&
states[0].button_a &&
bluepad32_input_backend_snapshot(1, &states[1]) &&
states[1].button_b &&
bluepad32_input_backend_snapshot(2, &states[2]) &&
states[2].button_y,
"slot 3 disconnect must preserve slots 0-2");
platform_on_controller_data(&devices[0], &data[0]);
require(bluepad32_input_backend_snapshot(0, &states[0]) &&
states[0].button_a,
"slot 0 input must continue while slot 3 is disconnected");
const int slot_zero_calls_while_scanning = devices[0].rumble_calls;
bluepad32_input_backend_queue_rumble(0, SwitchRumbleOutput{115, 116});
tick_backend_timer(99);
require(replacement.rumble_calls == slot_zero_calls_while_scanning + 1 &&
replacement.last_low == 115 && replacement.last_high == 116,
"slot 0 rumble must continue while slot 1 is disconnected");
require(devices[0].rumble_calls == slot_zero_calls_while_scanning + 1 &&
devices[0].last_low == 115 &&
devices[0].last_high == 116,
"slot 0 rumble must continue while slot 3 is disconnected");
require(observed_status_led_on,
"disconnect scanning must use the slow LED on half-cycle");
tick_backend_timer(1);
require(!observed_status_led_on,
"disconnect scanning must reach the slow LED off half-cycle");
uni_hid_device_t first_slot_one_replacement = device(1);
require(platform_on_device_ready(&first_slot_one_replacement) ==
uni_hid_device_t slot_three_replacement = device(3);
require(platform_on_device_ready(&slot_three_replacement) ==
UNI_ERROR_SUCCESS,
"slot 1 replacement must bind without disturbing slot 0");
tick_backend_timer(1);
"slot 3 replacement must bind to the freed indexed slot");
process_rumble_timer(&g_rumble_timer);
require(slot_three_replacement.rumble_calls == 0,
"slot 3 replacement must not receive disconnected device rumble");
require(observed_status_led_on,
"replacing the open slot must return the LED to solid ready");
"slot 3 replacement must restore the solid ready LED");
const int replacement_ready_led_writes = observed_status_led_writes;
tick_backend_timer(100);
require(observed_status_led_on &&
observed_status_led_writes == replacement_ready_led_writes,
"replacement pair must keep the ready LED solid");
"replacement quartet must keep the ready LED solid");
bluepad32_input_backend_queue_rumble(1, SwitchRumbleOutput{117, 118});
platform_on_device_disconnected(&first_slot_one_replacement);
uni_hid_device_t second_slot_one_replacement = device(1);
require(platform_on_device_ready(&second_slot_one_replacement) ==
UNI_ERROR_SUCCESS,
"a subsequent slot 1 replacement must bind to the freed slot");
g_slots[3].pending_rumble = {
3, disconnected_generation, SwitchRumbleOutput{77, 88}};
g_slots[3].rumble_pending = true;
process_rumble_timer(&g_rumble_timer);
require(second_slot_one_replacement.rumble_calls == 0,
"slot 1 replacement must not receive prior-generation rumble");
require(slot_three_replacement.rumble_calls == 0,
"stale slot 3 connection generation must be rejected");
const int slot_zero_calls_before_mailboxes = replacement.rumble_calls;
bluepad32_input_backend_queue_rumble(1, SwitchRumbleOutput{119, 120});
bluepad32_input_backend_queue_rumble(1, SwitchRumbleOutput{121, 122});
uni_controller_t replacement_data{};
replacement_data.klass = UNI_CONTROLLER_CLASS_GAMEPAD;
replacement_data.gamepad.buttons = BUTTON_Y;
replacement_data.gamepad.accel[0] = 9000;
platform_on_controller_data(&slot_three_replacement, &replacement_data);
require(bluepad32_input_backend_snapshot(3, &states[3]) &&
states[3].button_x && states[3].imu_sample_count == 3,
"replacement input and IMU must populate only slot 3");
require(bluepad32_input_backend_snapshot(0, &states[0]) &&
states[0].button_a &&
bluepad32_input_backend_snapshot(1, &states[1]) &&
states[1].button_b &&
bluepad32_input_backend_snapshot(2, &states[2]) &&
states[2].button_y,
"slot 3 replacement must not disturb slots 0-2");
const int survivor_calls[kSlotCount - 1] = {
devices[0].rumble_calls,
devices[1].rumble_calls,
devices[2].rumble_calls};
bluepad32_input_backend_queue_rumble(3, SwitchRumbleOutput{90, 91});
process_rumble_timer(&g_rumble_timer);
require(slot_three_replacement.rumble_calls == 1 &&
slot_three_replacement.last_low == 90 &&
slot_three_replacement.last_high == 91,
"new-generation slot 3 rumble must reach its replacement");
for (int slot = 0; slot < 3; ++slot) {
require(devices[slot].rumble_calls == survivor_calls[slot],
"slot 3 rumble must not affect slots 0-2");
}
const int all_slot_calls[kSlotCount] = {
devices[0].rumble_calls,
devices[1].rumble_calls,
devices[2].rumble_calls,
slot_three_replacement.rumble_calls};
for (int slot = 0; slot < kSlotCount; ++slot) {
bluepad32_input_backend_queue_rumble(
slot, SwitchRumbleOutput{static_cast<uint8_t>(100 + slot),
static_cast<uint8_t>(110 + slot)});
}
process_rumble_timer(&g_rumble_timer);
for (int slot = 0; slot < kSlotCount; ++slot) {
const uni_hid_device_t& target =
slot == 3 ? slot_three_replacement : devices[slot];
require(target.rumble_calls == all_slot_calls[slot] + 1 &&
target.last_low == 100 + slot &&
target.last_high == 110 + slot,
"survivor rumble must continue after slot 3 replacement");
}
uni_hid_device_t replacements[kSlotCount] = {
device(0), device(1), device(2), device(3)};
for (int slot = 0; slot < 3; ++slot) {
const int starts_before_disconnect = scan_starts;
platform_on_device_disconnected(&devices[slot]);
require(scan_starts == starts_before_disconnect + 1 &&
scanning_enabled && incoming_connections,
"disconnecting slots 0-2 must resume connection policy");
require(!bluepad32_input_backend_snapshot(slot, &states[slot]) &&
states[slot].lx == 32768,
"disconnect must neutralize its indexed slot");
for (int survivor = 0; survivor < kSlotCount; ++survivor) {
if (survivor == slot) {
continue;
}
require(bluepad32_input_backend_snapshot(survivor,
&states[survivor]),
"disconnect must preserve all three survivors");
}
require(platform_on_device_ready(&replacements[slot]) ==
UNI_ERROR_SUCCESS,
"replacement must bind to each freed slot");
require(g_connection_status == ConnectionStatus::Ready &&
!scanning_enabled && !incoming_connections,
"replacement must restore the full four-slot policy");
}
const int slot_zero_calls_before_mailboxes = replacements[0].rumble_calls;
const int slot_three_calls_before_mailboxes =
slot_three_replacement.rumble_calls;
bluepad32_input_backend_queue_rumble(3, SwitchRumbleOutput{119, 120});
bluepad32_input_backend_queue_rumble(3, SwitchRumbleOutput{121, 122});
bluepad32_input_backend_queue_rumble(0, SwitchRumbleOutput{123, 124});
process_rumble_timer(&g_rumble_timer);
require(second_slot_one_replacement.rumble_calls == 1 &&
second_slot_one_replacement.last_low == 121 &&
second_slot_one_replacement.last_high == 122,
"slot 1 mailbox must dispatch only its latest queued value");
require(replacement.rumble_calls == slot_zero_calls_before_mailboxes + 1 &&
replacement.last_low == 123 && replacement.last_high == 124,
"slot 0 activity must not evict the slot 1 mailbox");
require(slot_three_replacement.rumble_calls ==
slot_three_calls_before_mailboxes + 1 &&
slot_three_replacement.last_low == 121 &&
slot_three_replacement.last_high == 122,
"slot 3 mailbox must dispatch only its latest queued value");
require(replacements[0].rumble_calls ==
slot_zero_calls_before_mailboxes + 1 &&
replacements[0].last_low == 123 &&
replacements[0].last_high == 124,
"slot 0 activity must not evict the slot 3 mailbox");
}
} // namespace
@ -422,10 +541,10 @@ void test_independent_lifecycle() {
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);
if (scenario == "ready-forward") {
test_ready_order(false);
} else if (scenario == "ready-reverse") {
test_ready_order(true);
} else if (scenario == "rejections") {
test_rejections();
} else if (scenario == "lifecycle") {