Initial contribution

src/core/ddsc/tests/file_id.c

@@ -0,0 +1,39 @@
+/*
+ * Copyright(c) 2006 to 2018 ADLINK Technology Limited and others
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
+ * v. 1.0 which is available at
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
+ */
+#include "ddsc/dds.h"
+#include <criterion/criterion.h>
+#include <criterion/logging.h>
+#include "os/os.h"
+
+Test(ddsc_err, unique_file_id)
+{
+  dds_entity_t participant, reader, writer;
+
+  participant = dds_create_participant(DDS_DOMAIN_DEFAULT, NULL, NULL);
+  cr_assert_gt(participant, 0);
+
+  /* Disable SAL warning on intentional misuse of the API */
+  OS_WARNING_MSVC_OFF(28020);
+  reader = dds_create_reader(0, 0, NULL, NULL);
+  cr_assert_lt(reader, 0);
+
+  writer = dds_create_writer(0, 0, NULL, NULL);
+  cr_assert_lt(writer, 0);
+
+  OS_WARNING_MSVC_ON(28020);
+  cr_log_info("file_id for dds_create_reader: %d", dds_err_file_id(reader));
+  cr_log_info("file_id for dds_create_writer: %d", dds_err_file_id(writer));
+
+  cr_assert_neq(dds_err_file_id(reader), dds_err_file_id(writer));
+
+  dds_delete(participant);
+}