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Add a test for EVIOCREVOKE
New in 3.12, EVIOCREVOKE revokes access to an evdev device. This is unlikely to be used by a libevdev user, see. http://lists.freedesktop.org/archives/input-tools/2014-January/000688.html This patch adds a new test-kernel binary that tests the kernel API directly. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
This commit is contained in:
Peter Hutterer
parent
2c4daec150
commit
061927dd76
3 changed files with 199 additions and 1 deletions
1
test/.gitignore
vendored
1
test/.gitignore
vendored
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@ -2,3 +2,4 @@ gcov-report.txt
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test-libevdev
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test-link
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test-compile-pedantic
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test-kernel
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@ -1,5 +1,5 @@
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if BUILD_TESTS
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run_tests = test-libevdev
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run_tests = test-libevdev test-kernel
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build_tests = test-compile-pedantic test-link
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noinst_PROGRAMS = $(run_tests) $(build_tests)
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@ -43,6 +43,14 @@ test_link_SOURCES = test-link.c
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test_link_CFLAGS = -I$(top_srcdir)
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test_link_LDADD = $(top_builddir)/libevdev/libevdev.la
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test_kernel_SOURCES = \
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test-kernel.c \
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$(common_sources)
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test_kernel_CFLAGS = -I$(top_srcdir)
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test_kernel_LDADD = \
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$(CHECK_LIBS) \
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$(top_builddir)/libevdev/libevdev.la
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if GCOV_ENABLED
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CLEANFILES = gcov-report.txt
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189
test/test-kernel.c
Normal file
189
test/test-kernel.c
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@ -0,0 +1,189 @@
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/*
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* Copyright © 2014 Red Hat, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include <config.h>
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#include <errno.h>
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#include <inttypes.h>
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#include <unistd.h>
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#include <time.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <linux/input.h>
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#include <libevdev/libevdev.h>
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#include <libevdev/libevdev-uinput.h>
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#include "test-common.h"
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START_TEST(test_revoke)
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{
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struct uinput_device* uidev;
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struct libevdev *dev, *dev2;
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int rc, fd;
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struct input_event ev1, ev2;
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int dev_fd;
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rc = test_create_device(&uidev, &dev,
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EV_SYN, SYN_REPORT,
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EV_REL, REL_X,
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EV_REL, REL_Y,
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EV_REL, REL_WHEEL,
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EV_KEY, BTN_LEFT,
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EV_KEY, BTN_MIDDLE,
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EV_KEY, BTN_RIGHT,
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-1);
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ck_assert_msg(rc == 0, "Failed to create device: %s", strerror(-rc));
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fd = open(uinput_device_get_devnode(uidev), O_RDONLY|O_NONBLOCK);
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ck_assert_int_gt(fd, -1);
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rc = libevdev_new_from_fd(fd, &dev2);
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ck_assert_msg(rc == 0, "Failed to create second device: %s", strerror(-rc));
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uinput_device_event(uidev, EV_REL, REL_X, 1);
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uinput_device_event(uidev, EV_SYN, SYN_REPORT, 0);
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rc = libevdev_next_event(dev, LIBEVDEV_READ_FLAG_NORMAL, &ev1);
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ck_assert_int_eq(rc, LIBEVDEV_READ_STATUS_SUCCESS);
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rc = libevdev_next_event(dev2, LIBEVDEV_READ_FLAG_NORMAL, &ev2);
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ck_assert_int_eq(rc, LIBEVDEV_READ_STATUS_SUCCESS);
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ck_assert_int_eq(ev1.type, ev2.type);
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ck_assert_int_eq(ev1.code, ev2.code);
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ck_assert_int_eq(ev1.value, ev2.value);
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/* revoke first device, expect it closed, second device still open */
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dev_fd = libevdev_get_fd(dev);
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ck_assert_int_ge(dev_fd, 0);
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rc = ioctl(dev_fd, EVIOCREVOKE, NULL);
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if (rc == -1 && errno == -EINVAL) {
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fprintf(stderr, "WARNING: skipping EVIOCREVOKE test, not suported by current kernel\n");
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goto out;
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}
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ck_assert_msg(rc == 0, "Failed to revoke device: %s", strerror(errno));
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rc = libevdev_next_event(dev, LIBEVDEV_READ_FLAG_NORMAL, &ev1);
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ck_assert_int_eq(rc, -ENODEV);
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rc = libevdev_next_event(dev2, LIBEVDEV_READ_FLAG_NORMAL, &ev2);
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ck_assert_int_eq(rc, LIBEVDEV_READ_STATUS_SUCCESS);
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out:
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uinput_device_free(uidev);
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libevdev_free(dev);
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libevdev_free(dev2);
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close(fd);
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}
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END_TEST
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START_TEST(test_revoke_invalid)
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{
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struct uinput_device* uidev;
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struct libevdev *dev;
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int rc;
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int dev_fd;
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rc = test_create_device(&uidev, &dev,
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EV_SYN, SYN_REPORT,
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EV_REL, REL_X,
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EV_REL, REL_Y,
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EV_REL, REL_WHEEL,
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EV_KEY, BTN_LEFT,
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EV_KEY, BTN_MIDDLE,
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EV_KEY, BTN_RIGHT,
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-1);
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ck_assert_msg(rc == 0, "Failed to create device: %s", strerror(-rc));
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dev_fd = libevdev_get_fd(dev);
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ck_assert_int_ge(dev_fd, 0);
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/* ioctl requires 0 as value */
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rc = ioctl(dev_fd, EVIOCREVOKE, 1);
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ck_assert_int_eq(rc, -1);
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ck_assert_int_eq(errno, EINVAL);
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uinput_device_free(uidev);
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libevdev_free(dev);
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}
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END_TEST
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START_TEST(test_revoke_fail_after)
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{
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struct uinput_device* uidev;
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struct libevdev *dev, *dev2;
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int rc, fd;
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rc = test_create_device(&uidev, &dev,
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EV_SYN, SYN_REPORT,
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EV_REL, REL_X,
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EV_REL, REL_Y,
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EV_REL, REL_WHEEL,
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EV_KEY, BTN_LEFT,
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EV_KEY, BTN_MIDDLE,
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EV_KEY, BTN_RIGHT,
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-1);
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ck_assert_msg(rc == 0, "Failed to create device: %s", strerror(-rc));
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fd = open(uinput_device_get_devnode(uidev), O_RDONLY|O_NONBLOCK);
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ck_assert_int_gt(fd, -1);
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rc = ioctl(fd, EVIOCREVOKE, NULL);
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if (rc == -1 && errno == -EINVAL) {
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fprintf(stderr, "WARNING: skipping EVIOCREVOKE test, not suported by current kernel\n");
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goto out;
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}
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ck_assert_msg(rc == 0, "Failed to revoke device: %s", strerror(errno));
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rc = libevdev_new_from_fd(fd, &dev2);
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ck_assert_int_eq(rc, -ENODEV);
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out:
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uinput_device_free(uidev);
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libevdev_free(dev);
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libevdev_free(dev2);
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close(fd);
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}
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END_TEST
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int main(int argc, char **argv)
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{
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SRunner *sr;
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Suite *s;
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TCase *tc;
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int failed;
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s = suite_create("kernel tests");
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tc = tcase_create("EVIOCREVOKE");
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tcase_add_test(tc, test_revoke);
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tcase_add_test(tc, test_revoke_invalid);
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tcase_add_test(tc, test_revoke_fail_after);
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suite_add_tcase(s, tc);
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sr = srunner_create(s);
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srunner_run_all(sr, CK_NORMAL);
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failed = srunner_ntests_failed(sr);
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srunner_free(sr);
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return failed;
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}
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