tests: add a test case for misc line flags

Test the open drain, open source and kernel flags.

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

diff --git a/tests/unit/tests-line.c b/tests/unit/tests-line.c
index 8a389d6cdc2d01bc7e74903d4a5ae84869dc1c3d..4f430f45d1314bad766c758a00032b331f4db173 100644 (file)
--- a/tests/unit/tests-line.c
+++ b/tests/unit/tests-line.c
@@ -320,3 +320,47 @@ static void line_active_state(void)
 GU_DEFINE_TEST(line_active_state,
               "gpiod_line_active_state() - set & get",
               GU_LINES_UNNAMED, { 8 });
+
+static void line_misc_flags(void)
+{
+       GU_CLEANUP(gu_close_chip) struct gpiod_chip *chip = NULL;
+       struct gpiod_line_request_config config;
+       struct gpiod_line *line;
+       int status;
+
+       chip = gpiod_chip_open(gu_chip_path(0));
+       GU_ASSERT_NOT_NULL(chip);
+
+       line = gpiod_chip_get_line(chip, 2);
+       GU_ASSERT_NOT_NULL(line);
+
+       GU_ASSERT_FALSE(gpiod_line_is_used_by_kernel(line));
+       GU_ASSERT_FALSE(gpiod_line_is_open_drain(line));
+       GU_ASSERT_FALSE(gpiod_line_is_open_source(line));
+
+       config.direction = GPIOD_DIRECTION_INPUT;
+       config.consumer = "gpiod-unit";
+       config.active_state = GPIOD_ACTIVE_STATE_HIGH;
+       config.flags = GPIOD_REQUEST_OPEN_DRAIN;
+
+       status = gpiod_line_request(line, &config, 0);
+       GU_ASSERT_RET_OK(status);
+
+       GU_ASSERT(gpiod_line_is_used_by_kernel(line));
+       GU_ASSERT(gpiod_line_is_open_drain(line));
+       GU_ASSERT_FALSE(gpiod_line_is_open_source(line));
+
+       gpiod_line_release(line);
+
+       config.flags = GPIOD_REQUEST_OPEN_SOURCE;
+
+       status = gpiod_line_request(line, &config, 0);
+       GU_ASSERT_RET_OK(status);
+
+       GU_ASSERT(gpiod_line_is_used_by_kernel(line));
+       GU_ASSERT_FALSE(gpiod_line_is_open_drain(line));
+       GU_ASSERT(gpiod_line_is_open_source(line));
+}
+GU_DEFINE_TEST(line_misc_flags,
+              "gpiod_line - misc flags",
+              GU_LINES_UNNAMED, { 8 });