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test: Add unit test for mieq

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Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Jeremy Huddleston 2011-10-17 23:45:32 -07:00
parent ad450d76e4
commit 4597ac6fe0
1 changed files with 69 additions and 0 deletions
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69
test/input.c
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@ -40,6 +40,7 @@
#include "dixgrabs.h"
#include "eventstr.h"
#include "inpututils.h"
#include "mi.h"
#include "assert.h"
/**
@ -1606,6 +1607,73 @@ dix_double_fp_conversion(void)
}
}
/* The mieq test verifies that events added to the queue come out in the same
* order that they went in.
*/
static uint32_t mieq_test_event_last_processed;
static void
mieq_test_event_handler(int screenNum, InternalEvent *ie, DeviceIntPtr dev) {
RawDeviceEvent *e = (RawDeviceEvent *)ie;
assert(e->type == ET_RawMotion);
assert(e->flags > mieq_test_event_last_processed);
mieq_test_event_last_processed = e->flags;
}
static void _mieq_test_generate_events(uint32_t start, uint32_t count) {
count += start;
while (start < count) {
RawDeviceEvent e = {0};
e.header = ET_Internal;
e.type = ET_RawMotion;
e.length = sizeof(e);
e.time = GetTimeInMillis();
e.flags = start;
mieqEnqueue(NULL, (InternalEvent*)&e);
start++;
}
}
#define mieq_test_generate_events(c) { _mieq_test_generate_events(next, c); next += c; }
static void
mieq_test(void) {
uint32_t next = 1;
mieq_test_event_last_processed = 0;
mieqInit();
mieqSetHandler(ET_RawMotion, mieq_test_event_handler);
/* Enough to fit the buffer but trigger a grow */
mieq_test_generate_events(180);
/* We should resize to 512 now */
mieqProcessInputEvents();
/* Some should now get dropped */
mieq_test_generate_events(500);
/* Tell us how many got dropped, 1024 now */
mieqProcessInputEvents();
/* Now make it 2048 */
mieq_test_generate_events(900);
mieqProcessInputEvents();
/* Now make it 4096 (max) */
mieq_test_generate_events(1950);
mieqProcessInputEvents();
/* Now overflow one last time with the maximal queue and reach the verbosity limit */
mieq_test_generate_events(10000);
mieqProcessInputEvents();
mieqFini();
}
int main(int argc, char** argv)
{
dix_double_fp_conversion();
@ -1624,6 +1692,7 @@ int main(int argc, char** argv)
dix_valuator_alloc();
dix_get_master();
input_option_test();
mieq_test();
return 0;
}