1 files changed, 119 insertions, 0 deletions
diff --git a/tests/sys/netinet/libalias/1_instance.c b/tests/sys/netinet/libalias/1_instance.c
new file mode 100644
index 000000000000..842acb41bb90
--- /dev/null
+++ b/tests/sys/netinet/libalias/1_instance.c
@@ -0,0 +1,119 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright 2021 Lutz Donnerhacke
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ * 3. Neither the name of the copyright holder nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#include <atf-c.h>
+#include <alias.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "util.h"
+
+ATF_TC(2_destroynull);
+ATF_TC_HEAD(2_destroynull, env)
+{
+	atf_tc_set_md_var(env, "descr", "Destroy the NULL instance");
+}
+ATF_TC_BODY(2_destroynull, dummy)
+{
+	atf_tc_expect_death("Code expects valid pointer.");
+	LibAliasUninit(NULL);
+}
+
+ATF_TC(1_singleinit);
+ATF_TC_HEAD(1_singleinit, env)
+{
+	atf_tc_set_md_var(env, "descr", "Create an instance");
+}
+ATF_TC_BODY(1_singleinit, dummy)
+{
+	struct libalias *la;
+
+	la = LibAliasInit(NULL);
+	ATF_CHECK_MSG(la != NULL, "Creating an instance failed.");
+	LibAliasUninit(la);
+}
+
+ATF_TC(3_multiinit);
+ATF_TC_HEAD(3_multiinit, env)
+{
+	atf_tc_set_md_var(env, "descr", "Recreate an instance multiple times");
+}
+ATF_TC_BODY(3_multiinit, dummy)
+{
+	struct libalias *la;
+	int i;
+
+	la = LibAliasInit(NULL);
+	for(i = 1; i < 30; i++) {
+		struct libalias *lo = la;
+
+		la = LibAliasInit(la);
+		ATF_CHECK_MSG(la == lo, "Recreating moved the instance around: %d", i);
+	}
+	LibAliasUninit(la);
+}
+
+ATF_TC(4_multiinstance);
+ATF_TC_HEAD(4_multiinstance, env)
+{
+	atf_tc_set_md_var(env, "descr", "Create and destoy multiple instances.");
+}
+ATF_TC_BODY(4_multiinstance, dummy)
+{
+	struct libalias *la[300];
+	int const num_instances = sizeof(la) / sizeof(*la);
+	int i;
+
+	for (i = 0; i < num_instances; i++) {
+		la[i] = LibAliasInit(NULL);
+		ATF_CHECK_MSG(la[i] != NULL, "Creating instance %d failed.", i);
+	}
+
+	qsort(la, num_instances, sizeof(*la), randcmp);
+
+	for (i = 0; i < num_instances; i++)
+		LibAliasUninit(la[i]);
+}
+
+ATF_TP_ADD_TCS(instance)
+{
+	/* Use "dd if=/dev/random bs=2 count=1 | od -x" to reproduce */
+	srand(0x5ac4);
+
+	ATF_TP_ADD_TC(instance, 2_destroynull);
+	ATF_TP_ADD_TC(instance, 1_singleinit);
+	ATF_TP_ADD_TC(instance, 3_multiinit);
+	ATF_TP_ADD_TC(instance, 4_multiinstance);
+
+	return atf_no_error();
+}