Create Zephyr workspace app

tests/lib/custom/src/main.c

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2021 Legrand North America, LLC.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/*
+ * @file test custom_lib library
+ *
+ * This suite verifies that the methods provided with the custom_lib
+ * library works correctly.
+ */
+
+#include <limits.h>
+
+#include <zephyr/ztest.h>
+
+#include <app/lib/custom.h>
+
+ZTEST(custom_lib, test_get_value)
+{
+	/* Verify standard behavior */
+	zassert_equal(custom_get_value(INT_MIN), INT_MIN,
+		"get_value failed input of INT_MIN");
+	zassert_equal(custom_get_value(INT_MIN + 1), INT_MIN + 1,
+		"get_value failed input of INT_MIN + 1");
+	zassert_equal(custom_get_value(-1), -1,
+		"get_value failed input of -1");
+	zassert_equal(custom_get_value(1), 1,
+		"get_value failed input of 1");
+	zassert_equal(custom_get_value(INT_MAX - 1), INT_MAX - 1,
+		"get_value failed input of INT_MAX - 1");
+	zassert_equal(custom_get_value(INT_MAX), INT_MAX,
+		"get_value failed input of INT_MAX");
+
+	/* Verify override behavior */
+	zassert_equal(custom_get_value(0),
+		CONFIG_CUSTOM_GET_VALUE_DEFAULT,
+		"get_value failed input of 0");
+}
+
+ZTEST_SUITE(custom_lib, NULL, NULL, NULL, NULL, NULL);