diff --git a/tests/lib.sh b/tests/lib.sh
index dd5e3f535..716922024 100644
--- a/tests/lib.sh
+++ b/tests/lib.sh
@@ -25,3 +25,17 @@ test_command() {
 var_has_value() {
 	[[ "${!1}" == "${2}" ]]
 }
+
+test_value_in_array() {
+	local -n array="${1}"
+	local key="${2}"
+	local value="${3}"
+
+	if [[ "${array[${key}]}" == "${value}" ]] ; then
+		echo -e "${CLR_GREEN_BG}Test succeded: The array '${1}' contains the value '${value}' under the key '${key}' ${CLR_RESET}"
+		return 0
+	else
+		echo -e "${CLR_RED_BG}Test failed: The array '${1}' contains the value '${array[${key}]}' under the key '${key} and not '${value}' ${CLR_RESET}"
+		return 1
+	fi
+}
diff --git a/tests/src/initscripts/system/functions/test2.sh b/tests/src/initscripts/system/functions/test2.sh
new file mode 100755
index 000000000..a568ed2a4
--- /dev/null
+++ b/tests/src/initscripts/system/functions/test2.sh
@@ -0,0 +1,21 @@
+#!/usr/bin/bash
+
+SCRIPT_PATH="$(dirname "$(readlink -f "$0")")"
+
+ROOT="$(readlink -f "${SCRIPT_PATH}/../../../../..")"
+
+. ${ROOT}/tests/lib.sh
+
+. ${ROOT}/src/initscripts/system/functions
+
+# read the date in
+readhash "CONFIG" "${SCRIPT_PATH}/data/1"
+
+# test if we read the correct data
+test_that_key_in_arry_has_value "CONFIG" "RED_DHCP_HOSTNAME" "ipfire"
+test_that_key_in_arry_has_value "CONFIG" "BLUE_MACADDR" "bc:30:7d:58:6b:e3"
+
+test_that_output_is "${SCRIPT_PATH}/data/1_output_stdout" "1" readhash "CONFIG" "${SCRIPT_PATH}/data/1"
+test_that_output_is "${SCRIPT_PATH}/data/1_output_stderr" "2" readhash "CONFIG" "${SCRIPT_PATH}/data/1"
+ 
+