+static void test_fdset_remove(void) {
+ _cleanup_close_ int fd = -1;
+ FDSet *fdset = NULL;
+ char name[] = "/tmp/test-fdset_remove.XXXXXX";
+
+ fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
+ assert_se(fd >= 0);
+
+ fdset = fdset_new();
+ assert_se(fdset);
+ assert_se(fdset_put(fdset, fd) >= 0);
+ assert_se(fdset_remove(fdset, fd) >= 0);
+ assert_se(!fdset_contains(fdset, fd));
+ fdset_free(fdset);
+
+ assert_se(fcntl(fd, F_GETFD) >= 0);
+
+ unlink(name);
+}
+