1 files changed, 67 insertions, 0 deletions
diff --git a/tests/test_fcntl.c b/tests/test_fcntl.c
new file mode 100644
index 0000000..7925185
--- /dev/null
+++ b/tests/test_fcntl.c
@@ -0,0 +1,67 @@
+#include "torture.h"
+
+#include <cmocka.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+
+static int setup(void **state)
+{
+	torture_setup_socket_dir(state);
+
+	return 0;
+}
+
+static int teardown(void **state)
+{
+	torture_teardown_socket_dir(state);
+
+	return 0;
+}
+
+static void test_fcntl_dupfd_existing_open_fd(void **state)
+{
+	int s, dup_s;
+
+	(void) state; /* unused */
+
+	s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+	assert_return_code(s, errno);
+
+	dup_s = fcntl(s, F_DUPFD, 100);
+	assert_int_equal(dup_s, 100);
+
+	close(s);
+	close(dup_s);
+}
+
+static void test_fcntl_getfd_existing_open_fd(void **state)
+{
+	int s, rc, flags;
+
+	(void) state; /* unused */
+
+	s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+	assert_return_code(s, errno);
+
+	rc = fcntl(s, F_SETFD, FD_CLOEXEC);
+	assert_int_equal(rc, 0);
+
+	flags = fcntl(s, F_GETFD);
+	assert_int_equal(flags, FD_CLOEXEC);
+
+	close(s);
+}
+
+int main(void) {
+	int rc;
+
+	const struct CMUnitTest tcp_fcntl_dupfd_tests[] = {
+		cmocka_unit_test(test_fcntl_dupfd_existing_open_fd),
+		cmocka_unit_test(test_fcntl_getfd_existing_open_fd),
+	};
+
+	rc = cmocka_run_group_tests(tcp_fcntl_dupfd_tests, setup, teardown);
+
+	return rc;
+}