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[v2] selftests/input: add tests for the EVIOCSABS ioctl

Message ID 20230625123037.8384-1-dangel101@gmail.com
State New
Headers show
Series [v2] selftests/input: add tests for the EVIOCSABS ioctl | expand

Commit Message

Dana Elfassy June 25, 2023, 12:30 p.m. UTC 
This patch introduces two tests for the EVIOCSABS ioctl. The first one
checks that the ioctl fails when the EV_ABS bit was not set, and the
second one just checks that the normal workflow for this ioctl
succeeds.

Signed-off-by: Dana Elfassy <dangel101@gmail.com>
---
This patch depends on '[v3] selftests/input: Introduce basic tests for evdev ioctls' [1] sent to the ML.
[1] https://patchwork.kernel.org/project/linux-input/patch/20230607153214.15933-1-eballetbo@kernel.org/

 tools/testing/selftests/input/evioc-test.c | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
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Patch

diff --git a/tools/testing/selftests/input/evioc-test.c b/tools/testing/selftests/input/evioc-test.c
index 4c0c8ebed378..7afd537f0b24 100644
--- a/tools/testing/selftests/input/evioc-test.c
+++ b/tools/testing/selftests/input/evioc-test.c
@@ -279,4 +279,27 @@  TEST(eviocgrep_get_repeat_settings)
 	selftest_uinput_destroy(uidev);
 }
 
+TEST(eviocsabs_set_abs_value_limits)
+{
+	struct selftest_uinput *uidev;
+	struct input_absinfo absinfo;
+	int rc;
+
+	// fail test on dev->absinfo
+	rc = selftest_uinput_create_device(&uidev), -1;
+	ASSERT_EQ(0, rc);
+	ASSERT_NE(NULL, uidev);
+	rc = ioctl(uidev->evdev_fd, EVIOCSABS(0), &absinfo);
+	ASSERT_EQ(-1, rc);
+	selftest_uinput_destroy(uidev);
+
+	// ioctl normal flow
+	rc = selftest_uinput_create_device(&uidev, EV_ABS, -1);
+	ASSERT_EQ(0, rc);
+	ASSERT_NE(NULL, uidev);
+	rc = ioctl(uidev->evdev_fd, EVIOCSABS(0), &absinfo);
+	ASSERT_EQ(0, rc);
+	selftest_uinput_destroy(uidev);
+}
+
 TEST_HARNESS_MAIN