/*
* Copyright © 2013 Red Hat, Inc.
*
* 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 <config.h>
#include <limits.h>
#include <libevdev/libevdev-int.h>
#include "test-common.h"
START_TEST(test_queue_alloc)
{
struct libevdev dev;
int rc;
rc = queue_alloc(&dev, 0);
ck_assert_int_eq(rc, -ENOMEM);
rc = queue_alloc(&dev, 100);
ck_assert_int_eq(rc, 0);
ck_assert_int_eq(dev.queue_size, 100);
ck_assert_int_eq(dev.queue_next, 0);
queue_free(&dev);
ck_assert_int_eq(dev.queue_size, 0);
ck_assert_int_eq(dev.queue_next, 0);
}
END_TEST
START_TEST(test_queue_sizes)
{
struct libevdev dev = {0};
queue_alloc(&dev, 0);
ck_assert_int_eq(queue_num_elements(&dev), 0);
ck_assert_int_eq(queue_num_free_elements(&dev), 0);
ck_assert_int_eq(queue_size(&dev), 0);
queue_alloc(&dev, 100);
ck_assert_int_eq(queue_num_elements(&dev), 0);
ck_assert_int_eq(queue_num_free_elements(&dev), 100);
ck_assert_int_eq(queue_size(&dev), 100);
queue_free(&dev);
ck_assert_int_eq(queue_num_elements(&dev), 0);
ck_assert_int_eq(queue_num_free_elements(&dev), 0);
ck_assert_int_eq(queue_size(&dev), 0);
}
END_TEST
START_TEST(test_queue_push)
{
struct libevdev dev = {0};
struct input_event *ev;
queue_alloc(&dev, 0);
ev = queue_push(&dev);
ck_assert(ev == NULL);
queue_alloc(&dev, 2);
ev = queue_push(&dev);
ck_assert(ev == dev.queue);
ck_assert_int_eq(queue_num_elements(&dev), 1);
ck_assert_int_eq(queue_num_free_elements(&dev), 1);
ev = queue_push(&dev);
ck_assert(ev == dev.queue + 1);
ev = queue_push(&dev);
ck_assert(ev == NULL);
queue_free(&dev);
ev = queue_push(&dev);
ck_assert(ev == NULL);
}
END_TEST
START_TEST(test_queue_pop)
{
struct libevdev dev = {0};
struct input_event ev, *e, tmp;
int rc;
queue_alloc(&dev, 0);
rc = queue_pop(&dev, &ev);
ck_assert_int_eq(rc, 1);
queue_alloc(&dev, 2);
e = queue_push(&dev);
memset(e, 0xab, sizeof(*e));
ck_assert_int_eq(queue_num_elements(&dev), 1);
ck_assert_int_eq(queue_num_free_elements(&dev), 1);
rc = queue_pop(&dev, &ev);
ck_assert_int_eq(rc, 0);
memset(&tmp, 0xab, sizeof(tmp));
rc = memcmp(&tmp, &ev, sizeof(tmp));
ck_assert_int_eq(rc, 0);
ck_assert_int_eq(queue_num_elements(&dev), 0);
ck_assert_int_eq(queue_num_free_elements(&dev), 2);
rc = queue_pop(&dev, &ev);
ck_assert_int_eq(rc, 1);
queue_free(&dev);
}
END_TEST
START_TEST(test_queue_peek)
{
struct libevdev dev = {0};
struct input_event ev, *e, tmp;
int rc;
queue_alloc(&dev, 0);
rc = queue_peek(&dev, 0, &ev);
ck_assert_int_eq(rc, 1);
queue_alloc(&dev, 2);
e = queue_push(&dev);
memset(e, 0xab, sizeof(*e));
rc = queue_peek(&dev, 0, &ev);
ck_assert_int_eq(rc, 0);
memset(&tmp, 0xab, sizeof(tmp));
rc = memcmp(&tmp, &ev, sizeof(tmp));
ck_assert_int_eq(rc, 0);
ck_assert_int_eq(queue_num_elements(&dev), 1);
e = queue_push(&dev);
memset(e, 0xbc, sizeof(*e));
rc = queue_peek(&dev, 1, &ev);
ck_assert_int_eq(rc, 0);
memset(&tmp, 0xbc, sizeof(tmp));
rc = memcmp(&tmp, &ev, sizeof(tmp));
ck_assert_int_eq(rc, 0);
rc = queue_peek(&dev, 0, &ev);
ck_assert_int_eq(rc, 0);
memset(&tmp, 0xab, sizeof(tmp));
rc = memcmp(&tmp, &ev, sizeof(tmp));
ck_assert_int_eq(rc, 0);
ck_assert_int_eq(queue_num_elements(&dev), 2);
queue_free(&dev);
}
END_TEST
START_TEST(test_queue_shift)
{
struct libevdev dev = {0};
struct input_event ev, *first, *second, e1, e2;
int rc;
ck_assert_int_eq(queue_shift(&dev, &ev), 1);
queue_alloc(&dev, 10);
ck_assert_int_eq(queue_shift(&dev, &ev), 1);
first = queue_push(&dev);
ck_assert(first != NULL);
memset(first, 0xab, sizeof(*first));
e1 = *first;
second = queue_push(&dev);
ck_assert(second != NULL);
memset(second, 0x12, sizeof(*second));
e2 = *second;
rc = queue_shift(&dev, &ev);
ck_assert_int_eq(rc, 0);
rc = memcmp(&ev, &e1, sizeof(ev));
ck_assert_int_eq(rc, 0);
rc = queue_shift(&dev, &ev);
ck_assert_int_eq(rc, 0);
rc = memcmp(&ev, &e2, sizeof(ev));
ck_assert_int_eq(rc, 0);
ck_assert_int_eq(queue_shift(&dev, &ev), 1);
queue_free(&dev);
}
END_TEST
START_TEST(test_queue_shift_multiple)
{
struct libevdev dev = {0};
struct input_event ev, *first, *second, e1, e2;
struct input_event events[5];
int rc;
ck_assert_int_eq(queue_shift_multiple(&dev, 1, &ev), 0);
ck_assert_int_eq(queue_shift_multiple(&dev, 0, &ev), 0);
queue_alloc(&dev, 10);
ck_assert_int_eq(queue_shift_multiple(&dev, 1, &ev), 0);
ck_assert_int_eq(queue_shift_multiple(&dev, 0, &ev), 0);
first = queue_push(&dev);
ck_assert(first != NULL);
memset(first, 0xab, sizeof(*first));
e1 = *first;
second = queue_push(&dev);
ck_assert(second != NULL);
memset(second, 0x12, sizeof(*second));
e2 = *second;
rc = queue_shift_multiple(&dev, 5, events);
ck_assert_int_eq(rc, 2);
rc = memcmp(&events[0], &e1, sizeof(ev));
ck_assert_int_eq(rc, 0);
rc = memcmp(&events[1], &e2, sizeof(ev));
ck_assert_int_eq(rc, 0);
first = queue_push(&dev);
ck_assert(first != NULL);
memset(first, 0xab, sizeof(*first));
e1 = *first;
second = queue_push(&dev);
ck_assert(second != NULL);
memset(second, 0x12, sizeof(*second));
e2 = *second;
rc = queue_shift_multiple(&dev, 1, events);
ck_assert_int_eq(rc, 1);
rc = memcmp(&events[0], &e1, sizeof(ev));
ck_assert_int_eq(rc, 0);
rc = queue_shift_multiple(&dev, 1, events);
ck_assert_int_eq(rc, 1);
rc = memcmp(&events[0], &e2, sizeof(ev));
ck_assert_int_eq(rc, 0);
ck_assert_int_eq(queue_shift_multiple(&dev, 1, events), 0);
queue_free(&dev);
}
END_TEST
START_TEST(test_queue_next_element)
{
struct libevdev dev = {0};
struct input_event ev, *first, *second;
int rc;
queue_alloc(&dev, 0);
first = queue_next_element(&dev);
ck_assert(first == NULL);
queue_alloc(&dev, 2);
first = queue_next_element(&dev);
ck_assert(first != NULL);
memset(first, 0xab, sizeof(*first));
second = queue_next_element(&dev);
ck_assert(second != NULL);
memset(second, 0xbc, sizeof(*second));
/* queue_next_element does not advance, so we overwrite */
memset(&ev, 0xbc, sizeof(ev));
rc = memcmp(&ev, first, sizeof(ev));
ck_assert_int_eq(rc, 0);
ck_assert_int_eq(queue_num_elements(&dev), 0);
first = queue_next_element(&dev);
ck_assert(first != NULL);
memset(first, 0xab, sizeof(*first));
queue_set_num_elements(&dev, 1);
ck_assert_int_eq(queue_num_elements(&dev), 1);
second = queue_next_element(&dev);
ck_assert(second != NULL);
memset(second, 0xbc, sizeof(*second));
memset(&ev, 0xab, sizeof(ev));
rc = memcmp(&ev, first, sizeof(ev));
ck_assert_int_eq(rc, 0);
queue_free(&dev);
}
END_TEST
START_TEST(test_queue_set_num_elements)
{
struct libevdev dev = {0};
queue_alloc(&dev, 0);
ck_assert_int_eq(queue_set_num_elements(&dev, 1), 1);
queue_alloc(&dev, 2);
ck_assert_int_eq(queue_set_num_elements(&dev, 3), 1);
ck_assert_int_eq(queue_set_num_elements(&dev, 2), 0);
queue_free(&dev);
}
END_TEST
TEST_SUITE(queue_suite)
{
Suite *s = suite_create("Event queue");
TCase *tc = tcase_create("Queue allocation");
tcase_add_test(tc, test_queue_alloc);
tcase_add_test(tc, test_queue_sizes);
suite_add_tcase(s, tc);
tc = tcase_create("Queue push/pop/peek");
tcase_add_test(tc, test_queue_push);
tcase_add_test(tc, test_queue_pop);
tcase_add_test(tc, test_queue_peek);
suite_add_tcase(s, tc);
tc = tcase_create("Queue shift");
tcase_add_test(tc, test_queue_shift);
tcase_add_test(tc, test_queue_shift_multiple);
suite_add_tcase(s, tc);
tc = tcase_create("Queue next elem");
tcase_add_test(tc, test_queue_next_element);
tcase_add_test(tc, test_queue_set_num_elements);
suite_add_tcase(s, tc);
return s;
}