[Bug 58975] do not cast numberOfOperands to byte in AbstractFunctionPtg

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1800949 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 60 insertions, 0 deletions

diff --git a/src/testcases/org/apache/poi/ss/formula/ptg/TestAbstractFunctionPtg.java b/src/testcases/org/apache/poi/ss/formula/ptg/TestAbstractFunctionPtg.java
new file mode 100644
index 0000000000..bf17bca54f
--- /dev/null
+++ b/src/testcases/org/apache/poi/ss/formula/ptg/TestAbstractFunctionPtg.java
@@ -0,0 +1,60 @@
+/* ====================================================================
+   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.ptg;
+
+import static org.junit.Assert.assertEquals;
+
+import org.apache.poi.util.LittleEndianOutput;
+import org.junit.Test;
+
+public class TestAbstractFunctionPtg  {
+
+    @Test
+    public void testConstructor() {
+        FunctionPtg ptg = new FunctionPtg(1, 2, null, 255);
+        assertEquals(1, ptg.getFunctionIndex());
+        assertEquals(2, ptg.getDefaultOperandClass());
+        assertEquals(255, ptg.getNumberOfOperands());
+    }
+
+    @Test(expected=RuntimeException.class)
+    public void testInvalidFunctionIndex() {
+        new FunctionPtg(40000, 2, null, 255);
+    }
+
+    @Test(expected=RuntimeException.class)
+    public void testInvalidRuntimeClass() {
+        new FunctionPtg(1, 300, null, 255);
+    }
+    
+    private static class FunctionPtg extends AbstractFunctionPtg {
+
+        protected FunctionPtg(int functionIndex, int pReturnClass,
+                byte[] paramTypes, int nParams) {
+            super(functionIndex, pReturnClass, paramTypes, nParams);
+        }
+
+        public int getSize() {
+            return 0;
+        }
+
+        public void write(LittleEndianOutput out) {
+            
+        }
+    }
+}