wayland/tests/signal-test.c
Marek Ch 6f1569bd38 tests: add unit tests for wl_signal
Test wl_signal initialization, adding and getting listeners and emitting
2013-09-21 11:37:38 -07:00

115 lines
3.5 KiB
C

/*
* Copyright © 2013 Marek Chalupa
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, 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.
*/
#include <assert.h>
#include "wayland-server.h"
#include "test-runner.h"
static void
signal_notify(struct wl_listener *listener, void *data)
{
/* only increase counter*/
++(*((int *) data));
}
TEST(signal_init)
{
struct wl_signal signal;
wl_signal_init(&signal);
/* Test if listeners' list is initialized */
assert(&signal.listener_list == signal.listener_list.next
&& "Maybe wl_signal implementation changed?");
assert(signal.listener_list.next == signal.listener_list.prev
&& "Maybe wl_signal implementation changed?");
}
TEST(signal_add_get)
{
struct wl_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_signal_init(&signal);
wl_signal_add(&signal, &l1);
wl_signal_add(&signal, &l2);
wl_signal_add(&signal, &l3);
wl_signal_add(&signal, &l4);
assert(wl_signal_get(&signal, signal_notify) == &l4);
assert(wl_signal_get(&signal, (wl_notify_func_t) 0x3) == &l3);
assert(wl_signal_get(&signal, (wl_notify_func_t) 0x2) == &l2);
assert(wl_signal_get(&signal, (wl_notify_func_t) 0x1) == &l1);
/* get should not be destructive */
assert(wl_signal_get(&signal, signal_notify) == &l4);
assert(wl_signal_get(&signal, (wl_notify_func_t) 0x3) == &l3);
assert(wl_signal_get(&signal, (wl_notify_func_t) 0x2) == &l2);
assert(wl_signal_get(&signal, (wl_notify_func_t) 0x1) == &l1);
}
TEST(signal_emit_to_one_listener)
{
int count = 0;
int counter;
struct wl_signal signal;
struct wl_listener l1 = {.notify = signal_notify};
wl_signal_init(&signal);
wl_signal_add(&signal, &l1);
for (counter = 0; counter < 100; counter++)
wl_signal_emit(&signal, &count);
assert(counter == count);
}
TEST(signal_emit_to_more_listeners)
{
int count = 0;
int counter;
struct wl_signal signal;
struct wl_listener l1 = {.notify = signal_notify};
struct wl_listener l2 = {.notify = signal_notify};
struct wl_listener l3 = {.notify = signal_notify};
wl_signal_init(&signal);
wl_signal_add(&signal, &l1);
wl_signal_add(&signal, &l2);
wl_signal_add(&signal, &l3);
for (counter = 0; counter < 100; counter++)
wl_signal_emit(&signal, &count);
assert(3 * counter == count);
}