Add a test for BIO_s_mem() when using datagrams

The previous commit added support to BIO_s_mem() for using datagrams. We
now add tests for that functionality.

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18596)

1 files changed, 16 insertions, 0 deletions

diff --git a/test/recipes/04-test_membio.t b/test/recipes/04-test_membio.t
new file mode 100644
index 0000000000..58d1080fb8
--- /dev/null
+++ b/test/recipes/04-test_membio.t
@@ -0,0 +1,16 @@
+#! /usr/bin/env perl
+# Copyright 2016-2022 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the Apache License 2.0 (the "License").  You may not use
+# this file except in compliance with the License.  You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
+use strict;
+use OpenSSL::Test;
+use OpenSSL::Test::Simple;
+use OpenSSL::Test::Utils;
+
+setup("test_membio");
+
+simple_test("test_membio", "membio_test");