| /* |
| * Copyright © 2013 Marek Chalupa |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sublicense, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial |
| * portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #include <assert.h> |
| |
| #include "test-runner.h" |
| #include "wayland-server-private.h" |
| |
| static void |
| signal_notify(struct wl_listener *listener, void *data) |
| { |
| /* only increase counter*/ |
| ++(*((int *) data)); |
| } |
| |
| TEST(signal_init) |
| { |
| struct wl_priv_signal signal; |
| |
| wl_priv_signal_init(&signal); |
| |
| /* Test if listeners' list is initialized */ |
| assert(&signal.listener_list == signal.listener_list.next |
| && "Maybe wl_priv_signal implementation changed?"); |
| assert(signal.listener_list.next == signal.listener_list.prev |
| && "Maybe wl_priv_signal implementation changed?"); |
| } |
| |
| TEST(signal_add_get) |
| { |
| struct wl_priv_signal signal; |
| |
| /* we just need different values of notify */ |
| struct wl_listener l1 = {.notify = (wl_notify_func_t) 0x1}; |
| struct wl_listener l2 = {.notify = (wl_notify_func_t) 0x2}; |
| struct wl_listener l3 = {.notify = (wl_notify_func_t) 0x3}; |
| /* one real, why not */ |
| struct wl_listener l4 = {.notify = signal_notify}; |
| |
| wl_priv_signal_init(&signal); |
| |
| wl_priv_signal_add(&signal, &l1); |
| wl_priv_signal_add(&signal, &l2); |
| wl_priv_signal_add(&signal, &l3); |
| wl_priv_signal_add(&signal, &l4); |
| |
| assert(wl_priv_signal_get(&signal, signal_notify) == &l4); |
| assert(wl_priv_signal_get(&signal, (wl_notify_func_t) 0x3) == &l3); |
| assert(wl_priv_signal_get(&signal, (wl_notify_func_t) 0x2) == &l2); |
| assert(wl_priv_signal_get(&signal, (wl_notify_func_t) 0x1) == &l1); |
| |
| /* get should not be destructive */ |
| assert(wl_priv_signal_get(&signal, signal_notify) == &l4); |
| assert(wl_priv_signal_get(&signal, (wl_notify_func_t) 0x3) == &l3); |
| assert(wl_priv_signal_get(&signal, (wl_notify_func_t) 0x2) == &l2); |
| assert(wl_priv_signal_get(&signal, (wl_notify_func_t) 0x1) == &l1); |
| } |
| |
| TEST(signal_emit_to_one_listener) |
| { |
| int count = 0; |
| int counter; |
| |
| struct wl_priv_signal signal; |
| struct wl_listener l1 = {.notify = signal_notify}; |
| |
| wl_priv_signal_init(&signal); |
| wl_priv_signal_add(&signal, &l1); |
| |
| for (counter = 0; counter < 100; counter++) |
| wl_priv_signal_emit(&signal, &count); |
| |
| assert(counter == count); |
| } |
| |
| TEST(signal_emit_to_more_listeners) |
| { |
| int count = 0; |
| int counter; |
| |
| struct wl_priv_signal signal; |
| struct wl_listener l1 = {.notify = signal_notify}; |
| struct wl_listener l2 = {.notify = signal_notify}; |
| struct wl_listener l3 = {.notify = signal_notify}; |
| |
| wl_priv_signal_init(&signal); |
| wl_priv_signal_add(&signal, &l1); |
| wl_priv_signal_add(&signal, &l2); |
| wl_priv_signal_add(&signal, &l3); |
| |
| for (counter = 0; counter < 100; counter++) |
| wl_priv_signal_emit(&signal, &count); |
| |
| assert(3 * counter == count); |
| } |
| |
| struct signal |
| { |
| struct wl_priv_signal signal; |
| struct wl_listener l1, l2, l3; |
| int count; |
| struct wl_listener *current; |
| }; |
| |
| static void notify_remove(struct wl_listener *l, void *data) |
| { |
| struct signal *sig = data; |
| wl_list_remove(&sig->current->link); |
| wl_list_init(&sig->current->link); |
| sig->count++; |
| } |
| |
| #define INIT \ |
| wl_priv_signal_init(&signal.signal); \ |
| wl_list_init(&signal.l1.link); \ |
| wl_list_init(&signal.l2.link); \ |
| wl_list_init(&signal.l3.link); |
| #define CHECK_EMIT(expected) \ |
| signal.count = 0; \ |
| wl_priv_signal_emit(&signal.signal, &signal); \ |
| assert(signal.count == expected); |
| |
| TEST(signal_remove_listener) |
| { |
| test_set_timeout(4); |
| |
| struct signal signal; |
| |
| signal.l1.notify = notify_remove; |
| signal.l2.notify = notify_remove; |
| signal.l3.notify = notify_remove; |
| |
| INIT |
| wl_priv_signal_add(&signal.signal, &signal.l1); |
| |
| signal.current = &signal.l1; |
| CHECK_EMIT(1) |
| CHECK_EMIT(0) |
| |
| INIT |
| wl_priv_signal_add(&signal.signal, &signal.l1); |
| wl_priv_signal_add(&signal.signal, &signal.l2); |
| |
| CHECK_EMIT(2) |
| CHECK_EMIT(1) |
| |
| INIT |
| wl_priv_signal_add(&signal.signal, &signal.l1); |
| wl_priv_signal_add(&signal.signal, &signal.l2); |
| |
| signal.current = &signal.l2; |
| CHECK_EMIT(1) |
| CHECK_EMIT(1) |
| |
| INIT |
| wl_priv_signal_add(&signal.signal, &signal.l1); |
| wl_priv_signal_add(&signal.signal, &signal.l2); |
| wl_priv_signal_add(&signal.signal, &signal.l3); |
| |
| signal.current = &signal.l1; |
| CHECK_EMIT(3) |
| CHECK_EMIT(2) |
| |
| INIT |
| wl_priv_signal_add(&signal.signal, &signal.l1); |
| wl_priv_signal_add(&signal.signal, &signal.l2); |
| wl_priv_signal_add(&signal.signal, &signal.l3); |
| |
| signal.current = &signal.l2; |
| CHECK_EMIT(2) |
| CHECK_EMIT(2) |
| |
| INIT |
| wl_priv_signal_add(&signal.signal, &signal.l1); |
| wl_priv_signal_add(&signal.signal, &signal.l2); |
| wl_priv_signal_add(&signal.signal, &signal.l3); |
| |
| signal.current = &signal.l3; |
| CHECK_EMIT(2) |
| CHECK_EMIT(2) |
| } |
| |
| static void notify_readd(struct wl_listener *l, void *data) |
| { |
| struct signal *signal = data; |
| if (signal->current) { |
| wl_list_remove(&signal->current->link); |
| wl_list_init(&signal->current->link); |
| wl_priv_signal_add(&signal->signal, signal->current); |
| } |
| signal->count++; |
| } |
| |
| static void notify_empty(struct wl_listener *l, void *data) |
| { |
| struct signal *signal = data; |
| signal->count++; |
| } |
| |
| TEST(signal_readd_listener) |
| { |
| /* Readding a listener is supported, that is it doesn't trigger an |
| * infinite loop or other weird things, but if in a listener you |
| * readd another listener, that will not be fired in the current |
| * signal emission. */ |
| |
| test_set_timeout(4); |
| |
| struct signal signal; |
| |
| signal.l1.notify = notify_readd; |
| signal.l2.notify = notify_readd; |
| |
| INIT |
| wl_priv_signal_add(&signal.signal, &signal.l1); |
| |
| signal.current = &signal.l1; |
| CHECK_EMIT(1) |
| CHECK_EMIT(1) |
| |
| INIT |
| wl_priv_signal_add(&signal.signal, &signal.l1); |
| |
| signal.current = &signal.l2; |
| CHECK_EMIT(1) |
| signal.current = NULL; |
| CHECK_EMIT(2) |
| |
| INIT |
| wl_priv_signal_add(&signal.signal, &signal.l2); |
| |
| signal.current = &signal.l1; |
| CHECK_EMIT(1) |
| /* l2 was added before l1, so l2 is fired first, which by readding l1 |
| * removes it from the current list that is being fired, so 1 is correct */ |
| CHECK_EMIT(1) |
| |
| INIT |
| wl_priv_signal_add(&signal.signal, &signal.l1); |
| wl_priv_signal_add(&signal.signal, &signal.l2); |
| |
| signal.l1.notify = notify_empty; |
| signal.current = &signal.l2; |
| CHECK_EMIT(2) |
| CHECK_EMIT(2) |
| |
| INIT |
| wl_priv_signal_add(&signal.signal, &signal.l1); |
| wl_priv_signal_add(&signal.signal, &signal.l2); |
| |
| signal.l1.notify = notify_empty; |
| signal.current = &signal.l1; |
| CHECK_EMIT(2) |
| /* same as before, by readding l1 in the first emit, it now is fired |
| * after l2, so on the second emit it is not fired at all. */ |
| CHECK_EMIT(1) |
| } |
| |
| static void notify_addandget(struct wl_listener *l, void *data) |
| { |
| struct signal *signal = data; |
| wl_list_remove(&signal->current->link); |
| wl_list_init(&signal->current->link); |
| wl_priv_signal_add(&signal->signal, signal->current); |
| |
| assert(wl_priv_signal_get(&signal->signal, signal->current->notify) != NULL); |
| |
| signal->count++; |
| } |
| |
| static void notify_get(struct wl_listener *l, void *data) |
| { |
| struct signal *signal = data; |
| assert(wl_priv_signal_get(&signal->signal, signal->current->notify) == signal->current); |
| signal->count++; |
| } |
| |
| TEST(signal_get_listener) |
| { |
| test_set_timeout(4); |
| |
| struct signal signal; |
| |
| signal.l1.notify = notify_addandget; |
| signal.l2.notify = notify_get; |
| |
| INIT |
| wl_priv_signal_add(&signal.signal, &signal.l1); |
| |
| signal.current = &signal.l2; |
| CHECK_EMIT(1) |
| |
| INIT |
| wl_priv_signal_add(&signal.signal, &signal.l2); |
| |
| signal.current = &signal.l2; |
| CHECK_EMIT(1) |
| |
| INIT |
| signal.l1.notify = notify_get; |
| signal.l2.notify = notify_empty; |
| wl_priv_signal_add(&signal.signal, &signal.l1); |
| wl_priv_signal_add(&signal.signal, &signal.l2); |
| |
| CHECK_EMIT(2) |
| |
| INIT |
| signal.l1.notify = notify_empty; |
| signal.l2.notify = notify_get; |
| wl_priv_signal_add(&signal.signal, &signal.l1); |
| wl_priv_signal_add(&signal.signal, &signal.l2); |
| |
| signal.current = &signal.l1; |
| CHECK_EMIT(2) |
| } |
