tests: test case for gpiod_foreach_chip_noclose()

Add a test for the noclose variants of the chip iterator routines.

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

diff --git a/tests/unit/tests-iter.c b/tests/unit/tests-iter.c
index 1fc30feb28f09336a9b0715f2539a09c5b5d8a6f..07b15bf8f51f9dc130b1227cccc6f57e9308fd7a 100644 (file)
--- a/tests/unit/tests-iter.c
+++ b/tests/unit/tests-iter.c
@@ -38,3 +38,51 @@ static void chip_iter(void)
 }
 GU_DEFINE_TEST(chip_iter, "gpiod_chip iterator",
               GU_LINES_UNNAMED, { 8, 8, 8 });
+
+static void chip_iter_noclose(void)
+{
+       GU_CLEANUP(gu_free_chip_iter_noclose)
+                       struct gpiod_chip_iter *iter = NULL;
+       GU_CLEANUP(gu_close_chip) struct gpiod_chip *chipA;
+       GU_CLEANUP(gu_close_chip) struct gpiod_chip *chipB;
+       GU_CLEANUP(gu_close_chip) struct gpiod_chip *chipC;
+       struct gpiod_chip *chip;
+       bool A, B, C;
+
+       A = B = C = false;
+
+       iter = gpiod_chip_iter_new();
+       GU_ASSERT_NOT_NULL(iter);
+
+       gpiod_foreach_chip_noclose(iter, chip) {
+               GU_ASSERT(!gpiod_chip_iter_err(iter));
+
+               if (strcmp(gpiod_chip_label(chip), "gpio-mockup-A") == 0) {
+                       A = true;
+                       chipA = chip;
+               } else if (strcmp(gpiod_chip_label(chip),
+                                 "gpio-mockup-B") == 0) {
+                       B = true;
+                       chipB = chip;
+               } else if (strcmp(gpiod_chip_label(chip),
+                                 "gpio-mockup-C") == 0) {
+                       C = true;
+                       chipC = chip;
+               }
+       }
+
+       GU_ASSERT(A);
+       GU_ASSERT(B);
+       GU_ASSERT(C);
+
+       gpiod_chip_iter_free_noclose(iter);
+       iter = NULL;
+
+       /* See if the chips are still open and usable. */
+       GU_ASSERT_STR_EQ(gpiod_chip_label(chipA), "gpio-mockup-A");
+       GU_ASSERT_STR_EQ(gpiod_chip_label(chipB), "gpio-mockup-B");
+       GU_ASSERT_STR_EQ(gpiod_chip_label(chipC), "gpio-mockup-C");
+}
+GU_DEFINE_TEST(chip_iter_noclose,
+              "gpiod_chip iterator noclose",
+              GU_LINES_UNNAMED, { 8, 8, 8 });