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test: add helpers to wait for specific events

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litest_wait_for_event() returns if any event is available.
litest_wait_for_event_of_type(... type, type, type, -1) returns if any of the
given event types is availble. All other events are discarded.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Peter Hutterer 2014-08-20 17:15:50 +10:00
parent d39e5ad898
commit ca3f3ea9ce
2 changed files with 48 additions and 0 deletions
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46
test/litest.c
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@ -780,6 +780,52 @@ litest_scale(const struct litest_device *d, unsigned int axis, double val)
return (max - min) * val/100.0 + min;
}
void
litest_wait_for_event(struct libinput *li)
{
return litest_wait_for_event_of_type(li, -1);
}
void
litest_wait_for_event_of_type(struct libinput *li, ...)
{
va_list args;
enum libinput_event_type types[32] = {LIBINPUT_EVENT_NONE};
size_t ntypes = 0;
enum libinput_event_type type;
va_start(args, li);
type = va_arg(args, int);
while ((int)type != -1) {
assert(type > 0);
assert(ntypes < ARRAY_LENGTH(types));
types[ntypes++] = type;
}
va_end(args);
while (1) {
size_t i;
struct libinput_event *event;
while ((type = libinput_next_event_type(li)) == LIBINPUT_EVENT_NONE) {
msleep(10);
libinput_dispatch(li);
}
/* no event mask means wait for any event */
if (ntypes == 0)
return;
for (i = 0; i < ntypes; i++) {
if (type == types[i])
return;
}
event = libinput_get_event(li);
libinput_event_destroy(event);
}
}
void
litest_drain_events(struct libinput *li)
{

2
test/litest.h
View file

@ -137,6 +137,8 @@ void litest_button_click(struct litest_device *d,
void litest_keyboard_key(struct litest_device *d,
unsigned int key,
bool is_press);
void litest_wait_for_event(struct libinput *li);
void litest_wait_for_event_of_type(struct libinput *li, ...);
void litest_drain_events(struct libinput *li);
void litest_assert_empty_queue(struct libinput *li);