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diff --git a/netconf/restconf/restconf-nb-bierman02/src/test/java/org/opendaylight/controller/sal/restconf/impl/test/ExpressionParserTest.java b/netconf/restconf/restconf-nb-bierman02/src/test/java/org/opendaylight/controller/sal/restconf/impl/test/ExpressionParserTest.java
new file mode 100644
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+++ b/netconf/restconf/restconf-nb-bierman02/src/test/java/org/opendaylight/controller/sal/restconf/impl/test/ExpressionParserTest.java
@@ -0,0 +1,171 @@
+/*
+ * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.sal.restconf.impl.test;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import java.lang.reflect.Method;
+import java.nio.charset.StandardCharsets;
+import java.time.Instant;
+import java.util.Collection;
+import java.util.Optional;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mockito;
+import org.opendaylight.controller.md.sal.rest.common.TestRestconfUtils;
+import org.opendaylight.netconf.sal.streams.listeners.ListenerAdapter;
+import org.opendaylight.netconf.sal.streams.listeners.Notificator;
+import org.opendaylight.yang.gen.v1.urn.sal.restconf.event.subscription.rev140708.NotificationOutputTypeGrouping.NotificationOutputType;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
+
+public class ExpressionParserTest {
+
+    private Collection<File> xmls;
+
+    @Before
+    public void setup() throws Exception {
+        this.xmls = TestRestconfUtils.loadFiles("/notifications/xml/output/");
+    }
+
+    @Test
+    public void trueDownFilterTest() throws Exception {
+        final boolean parser =
+                parser("notification/data-changed-notification/data-change-event/data/toasterStatus='down'",
+                        "data_change_notification_toaster_status_DOWN.xml");
+        Assert.assertTrue(parser);
+    }
+
+    @Test
+    public void falseDownFilterTest() throws Exception {
+        final boolean parser =
+                parser("notification/data-changed-notification/data-change-event/data/toasterStatus='up'",
+                        "data_change_notification_toaster_status_DOWN.xml");
+        Assert.assertFalse(parser);
+    }
+
+    @Test
+    public void trueNumberEqualsFilterTest() throws Exception {
+        final boolean parser = parser(
+                "notification/data-changed-notification/data-change-event/data/toasterStatus=1",
+                "data_change_notification_toaster_status_NUMBER.xml");
+        Assert.assertTrue(parser);
+    }
+
+    @Test
+    public void falseNumberEqualsFilterTest() throws Exception {
+        final boolean parser = parser("notification/data-changed-notification/data-change-event/data/toasterStatus=0",
+                "data_change_notification_toaster_status_NUMBER.xml");
+        Assert.assertFalse(parser);
+    }
+
+    @Test
+    public void trueNumberLessFilterTest() throws Exception {
+        final boolean parser = parser("notification/data-changed-notification/data-change-event/data/toasterStatus<2",
+                "data_change_notification_toaster_status_NUMBER.xml");
+        Assert.assertTrue(parser);
+    }
+
+    @Test
+    public void falseNumberLessFilterTest() throws Exception {
+        final boolean parser = parser("notification/data-changed-notification/data-change-event/data/toasterStatus<0",
+                "data_change_notification_toaster_status_NUMBER.xml");
+        Assert.assertFalse(parser);
+    }
+
+    @Test
+    public void trueNumberLessEqualsFilterTest() throws Exception {
+        final boolean parser = parser("notification/data-changed-notification/data-change-event/data/toasterStatus<=2",
+                "data_change_notification_toaster_status_NUMBER.xml");
+        Assert.assertTrue(parser);
+    }
+
+    @Test
+    public void falseNumberLessEqualsFilterTest() throws Exception {
+        final boolean parser = parser("notification/data-changed-notification/data-change-event/data/toasterStatus<=-1",
+                "data_change_notification_toaster_status_NUMBER.xml");
+        Assert.assertFalse(parser);
+    }
+
+    @Test
+    public void trueNumberGreaterFilterTest() throws Exception {
+        final boolean parser = parser("notification/data-changed-notification/data-change-event/data/toasterStatus>0",
+                "data_change_notification_toaster_status_NUMBER.xml");
+        Assert.assertTrue(parser);
+    }
+
+    @Test
+    public void falseNumberGreaterFilterTest() throws Exception {
+        final boolean parser = parser("notification/data-changed-notification/data-change-event/data/toasterStatus>5",
+                "data_change_notification_toaster_status_NUMBER.xml");
+        Assert.assertFalse(parser);
+    }
+
+    @Test
+    public void trueNumberGreaterEqualsFilterTest() throws Exception {
+        final boolean parser = parser("notification/data-changed-notification/data-change-event/data/toasterStatus>=0",
+                "data_change_notification_toaster_status_NUMBER.xml");
+        Assert.assertTrue(parser);
+    }
+
+    @Test
+    public void falseNumberGreaterEqualsFilterTest() throws Exception {
+        final boolean parser = parser("notification/data-changed-notification/data-change-event/data/toasterStatus>=5",
+                "data_change_notification_toaster_status_NUMBER.xml");
+        Assert.assertFalse(parser);
+    }
+
+    private boolean parser(final String filter, final String fileName) throws Exception {
+        File xml = null;
+        for (final File file : this.xmls) {
+            if (file.getName().equals(fileName)) {
+                xml = file;
+            }
+        }
+        final YangInstanceIdentifier path = Mockito.mock(YangInstanceIdentifier.class);
+        final PathArgument pathValue = NodeIdentifier.create(QName.create("module", "2016-12-14", "localName"));
+        Mockito.when(path.getLastPathArgument()).thenReturn(pathValue);
+        final ListenerAdapter listener = Notificator.createListener(path, "streamName", NotificationOutputType.JSON,
+                null);
+        listener.setQueryParams(Instant.now(), Optional.empty(), Optional.ofNullable(filter), false, false);
+
+        // FIXME: do not use reflection here
+        final Class<?> superclass = listener.getClass().getSuperclass().getSuperclass();
+        Method method = null;
+        for (final Method met : superclass.getDeclaredMethods()) {
+            if (met.getName().equals("parseFilterParam")) {
+                method = met;
+            }
+        }
+        if (method == null) {
+            throw new Exception("Methode parseFilterParam doesn't exist in " + superclass.getName());
+        }
+        method.setAccessible(true);
+        return (boolean) method.invoke(listener, readFile(xml));
+    }
+
+    private static String readFile(final File xml) throws IOException {
+        try (BufferedReader br = new BufferedReader(new FileReader(xml, StandardCharsets.UTF_8))) {
+            final StringBuilder sb = new StringBuilder();
+            String line = br.readLine();
+
+            while (line != null) {
+                sb.append(line);
+                sb.append("\n");
+                line = br.readLine();
+            }
+            return sb.toString();
+        }
+    }
+
+}