unittests: add test for luid module

tests/unittests/tests-luid/Makefile

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+include $(RIOTBASE)/Makefile.base

tests/unittests/tests-luid/Makefile.include

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+USEMODULE += luid

tests/unittests/tests-luid/tests-luid.c

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+/*
+ * Copyright (C) 2019 ML!PA Consulting GmbH
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include <luid.h>
+
+#include "tests-luid.h"
+
+static void test_luid_uniqe_eui64(void)
+{
+    eui64_t mac[3];
+
+    luid_get_eui64(&mac[0]);
+    luid_get_eui64(&mac[1]);
+    luid_get_eui64(&mac[2]);
+    TEST_ASSERT_EQUAL_INT(0, !memcmp(&mac[0], &mac[1], sizeof(mac[0])));
+    TEST_ASSERT_EQUAL_INT(0, !memcmp(&mac[1], &mac[2], sizeof(mac[1])));
+}
+
+static void test_luid_uniqe_eui48(void)
+{
+    eui48_t mac[3];
+
+    luid_get_eui48(&mac[0]);
+    luid_get_eui48(&mac[1]);
+    luid_get_eui48(&mac[2]);
+    TEST_ASSERT_EQUAL_INT(0, !memcmp(&mac[0], &mac[1], sizeof(mac[0])));
+    TEST_ASSERT_EQUAL_INT(0, !memcmp(&mac[1], &mac[2], sizeof(mac[1])));
+}
+
+static void test_luid_custom(void)
+{
+    uint8_t a[2][8];
+    uint8_t b[2][8];
+
+    luid_custom(a[0], sizeof(a[0]), 0xfefe);
+    luid_custom(a[1], sizeof(a[1]), 0xfefe);
+    luid_custom(b[0], sizeof(b[0]), 0xbeef);
+    luid_custom(b[1], sizeof(b[1]), 0xbeef);
+
+    TEST_ASSERT_EQUAL_INT(0, !memcmp(a[0], b[0], sizeof(a[0])));
+    TEST_ASSERT_EQUAL_INT(0, !memcmp(a[1], b[1], sizeof(a[1])));
+    TEST_ASSERT_EQUAL_INT(0, memcmp(a[0], a[0], sizeof(a[0])));
+    TEST_ASSERT_EQUAL_INT(0, memcmp(b[1], b[1], sizeof(b[0])));
+}
+
+Test *tests_luid_tests(void)
+{
+    EMB_UNIT_TESTFIXTURES(fixtures) {
+        new_TestFixture(test_luid_uniqe_eui48),
+        new_TestFixture(test_luid_uniqe_eui64),
+        new_TestFixture(test_luid_custom),
+    };
+
+    EMB_UNIT_TESTCALLER(luid_tests, NULL, NULL, fixtures);
+
+    return (Test *)&luid_tests;
+}
+
+void tests_luid(void)
+{
+    TESTS_RUN(tests_luid_tests());
+}

tests/unittests/tests-luid/tests-luid.h

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+/*
+ * Copyright (C) 2019 ML!PA Consulting GmbH
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @addtogroup  unittests
+ * @{
+ *
+ * @file
+ * @brief       Unittests for the ``luid`` module
+ *
+ * @author      Benjamin Valentin <benjamin.valentin@ml-pa.com>
+ */
+#ifndef TESTS_LUID_H
+#define TESTS_LUID_H
+
+#include "embUnit.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief   The entry point of this test suite.
+ */
+void tests_luid(void);
+
+/**
+ * @brief   Generates tests for luid
+ *
+ * @return  embUnit tests if successful, NULL if not.
+ */
+Test *tests_luid_tests(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* TESTS_LUID_H */
+/** @} */