diff --git a/tests/test_apas.sh b/tests/test_apas.sh
new file mode 100755
index 0000000..f5c7413
--- /dev/null
+++ b/tests/test_apas.sh
@@ -0,0 +1,50 @@
+#!/bin/bash
+
+PROG="$1"
+
+mkdir -p testoutput
+TEST=testoutput
+
+TESTNAME="Test naughty non-compliant apator162 meters"
+TESTRESULT="ERROR"
+
+METERS="Wasser      apator162   20202020 NOKEY
+      MyTapWatera apator162   21202020 NOKEY
+      MyTapWaterb apator162   22202020 NOKEY
+      MyTapWaterc apator162   23202020 NOKEY
+      MyTapWaterd apator162   24202020 NOKEY
+      MyTapWatere apator162   25202020 NOKEY
+      MyTapWatere apator162   26202020 NOKEY"
+
+cat simulations/simulation_apas.txt | grep '^{' > $TEST/test_expected.txt
+$PROG --format=json simulations/simulation_apas.txt $METERS  > $TEST/test_output.txt
+if [ "$?" == "0" ]
+then
+    cat $TEST/test_output.txt | sed 's/"timestamp":"....-..-..T..:..:..Z"/"timestamp":"1111-11-11T11:11:11Z"/' > $TEST/test_responses.txt
+    diff $TEST/test_expected.txt $TEST/test_responses.txt
+    if [ "$?" == "0" ]
+    then
+        echo OK json: $TESTNAME
+        TESTRESULT="OK"
+    fi
+fi
+
+cat simulations/simulation_apas.txt | grep '^|' | sed 's/^|//' > $TEST/test_expected.txt
+$PROG --format=fields simulations/simulation_apas.txt $METERS  > $TEST/test_output.txt
+if [ "$?" == "0" ]
+then
+    cat $TEST/test_output.txt | sed 's/[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9] [0-9][0-9]:[0-9][0-9].[0-9][0-9]$/1111-11-11 11:11.11/' > $TEST/test_responses.txt
+    diff $TEST/test_expected.txt $TEST/test_responses.txt
+    if [ "$?" == "0" ]
+    then
+        echo OK fields: $TESTNAME
+        TESTRESULT="OK"
+    fi
+fi
+
+
+if [ "$TESTRESULT" = "ERROR" ]
+then
+    echo ERROR: $TESTNAME
+    exit 1
+fi