[Bug 58975] add test case for new function args default of 255

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1801307 13f79535-47bb-0310-9956-ffa450edef68

src/testcases/org/apache/poi/ss/formula/functions/TestMultiOperandNumericFunction.java

@@ -0,0 +1,39 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+
+package org.apache.poi.ss.formula.functions;
+
+import static org.junit.Assert.assertEquals;
+
+import org.apache.poi.ss.SpreadsheetVersion;
+import org.apache.poi.ss.formula.eval.EvaluationException;
+import org.junit.Test;
+
+public class TestMultiOperandNumericFunction {
+
+    @Test
+    public void testSettings() {
+        MultiOperandNumericFunction fun = new MultiOperandNumericFunction(true, true) {
+            @Override
+            protected double evaluate(double[] values) throws EvaluationException {
+                return 0;
+            }
+            
+        };
+        assertEquals(SpreadsheetVersion.EXCEL2007.getMaxFunctionArgs(), fun.getMaxNumOperands());
+    }
+}