From: Bartosz Golaszewski <bartekgola@gmail.com>
Date: Mon, 12 Feb 2018 10:55:49 +0000 (+0100)
Subject: tests: event: new test case
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a5a153d691234de1e584a45443c368c9949b9ca8;p=qemu-gpiodev%2Flibgpiod.git

tests: event: new test case

Verify that the active-low flag is respected when reading line values
from lines configured for events.

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
---

diff --git a/tests/tests-event.c b/tests/tests-event.c
index bf800b7..45d5c4e 100644
--- a/tests/tests-event.c
+++ b/tests/tests-event.c
@@ -171,6 +171,44 @@ TEST_DEFINE(event_get_value,
 	    "events - mixing events and gpiod_line_get_value()",
 	    0, { 8 });
 
+static void event_get_value_active_low(void)
+{
+	TEST_CLEANUP(test_close_chip) struct gpiod_chip *chip = NULL;
+	struct timespec ts = { 1, 0 };
+	struct gpiod_line_event ev;
+	struct gpiod_line *line;
+	int rv;
+
+	chip = gpiod_chip_open(test_chip_path(0));
+	TEST_ASSERT_NOT_NULL(chip);
+
+	line = gpiod_chip_get_line(chip, 7);
+	TEST_ASSERT_NOT_NULL(line);
+
+	rv = gpiod_line_request_falling_edge_events_flags(line, TEST_CONSUMER,
+					GPIOD_LINE_REQUEST_FLAG_ACTIVE_LOW);
+	TEST_ASSERT_RET_OK(rv);
+
+	rv = gpiod_line_get_value(line);
+	TEST_ASSERT_EQ(rv, 1);
+
+	test_set_event(0, 7, TEST_EVENT_FALLING, 100);
+
+	rv = gpiod_line_event_wait(line, &ts);
+	TEST_ASSERT_EQ(rv, 1);
+
+	rv = gpiod_line_event_read(line, &ev);
+	TEST_ASSERT_RET_OK(rv);
+
+	TEST_ASSERT_EQ(ev.event_type, GPIOD_LINE_EVENT_FALLING_EDGE);
+
+	rv = gpiod_line_get_value(line);
+	TEST_ASSERT_EQ(rv, 0);
+}
+TEST_DEFINE(event_get_value_active_low,
+	    "events - mixing events and gpiod_line_get_value() (active-low flag)",
+	    0, { 8 });
+
 static void event_wait_multiple(void)
 {
 	TEST_CLEANUP(test_close_chip) struct gpiod_chip *chip = NULL;