--- /dev/null
+/* ====================================================================
+ 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.hssf.record.formula.functions;
+
+import org.apache.poi.hssf.record.formula.eval.Eval;
+import org.apache.poi.hssf.record.formula.eval.NumberEval;
+import org.apache.poi.hssf.usermodel.HSSFCell;
+import org.apache.poi.hssf.usermodel.HSSFErrorConstants;
+import org.apache.poi.hssf.usermodel.HSSFFont;
+import org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator;
+import org.apache.poi.hssf.usermodel.HSSFSheet;
+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
+
+import junit.framework.AssertionFailedError;
+import junit.framework.TestCase;
+
+/**
+ *
+ * @author Josh Micich
+ */
+public final class TestNper extends TestCase {
+ public void testSimpleEvaluate() {
+
+ Eval[] args = {
+ new NumberEval(0.05),
+ new NumberEval(250),
+ new NumberEval(-1000),
+ };
+ Eval result = FinanceFunction.NPER.evaluate(args, 0, (short)0);
+
+ assertEquals(NumberEval.class, result.getClass());
+ assertEquals(4.57353557, ((NumberEval)result).getNumberValue(), 0.00000001);
+ }
+
+ public void testEvaluate_bug_45732() {
+ HSSFWorkbook wb = new HSSFWorkbook();
+ HSSFSheet sheet = wb.createSheet("Sheet1");
+ HSSFCell cell = sheet.createRow(0).createCell(0);
+
+ cell.setCellFormula("NPER(12,4500,100000,100000)");
+ cell.setCellValue(15.0);
+ assertEquals("NPER(12,4500,100000.0,100000.0)", cell.getCellFormula());
+ assertEquals(HSSFCell.CELL_TYPE_NUMERIC, cell.getCachedFormulaResultType());
+ assertEquals(15.0, cell.getNumericCellValue(), 0.0);
+
+ HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
+ fe.evaluateFormulaCell(cell);
+ assertEquals(HSSFCell.CELL_TYPE_ERROR, cell.getCachedFormulaResultType());
+ assertEquals(HSSFErrorConstants.ERROR_NUM, cell.getErrorCellValue());
+ }
+
+}