Add test that can not be tested in XQsuite.

Author: dizzzz

exist-core/src/test/java/org/exist/xquery/functions/fn/FunDocumentUriTest.java

@@ -0,0 +1,56 @@
+/*
+ * eXist-db Open Source Native XML Database
+ * Copyright (C) 2001 The eXist-db Authors
+ *
+ * [email protected]
+ * http://www.exist-db.org
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+package org.exist.xquery.functions.fn;
+
+import com.googlecode.junittoolbox.ParallelRunner;
+import org.exist.test.ExistXmldbEmbeddedServer;
+import org.exist.xquery.XPathException;
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.xmldb.api.base.ResourceSet;
+import org.xmldb.api.base.XMLDBException;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * @author Dannes Wessels
+ */
+@RunWith(ParallelRunner.class)
+public class FunDocumentUriTest {
+
+    @ClassRule
+    public static final ExistXmldbEmbeddedServer existEmbeddedServer = new ExistXmldbEmbeddedServer(true, true, true);
+
+    @Test
+    public void testFnFunDocumentUri() {
+
+        try {
+            final ResourceSet resourceSet = existEmbeddedServer.executeQuery(
+                    "declare context item := 'a'; document-uri()");
+
+        } catch (XMLDBException ex) {
+            XPathException cause = (XPathException) ex.getCause();
+            assertEquals("XPTY0004", cause.getErrorCode().getErrorQName().getLocalPart());
+        }
+    }
+}