| /* ==================================================================== |
| 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 org.apache.poi.ss.formula.eval.BoolEval; |
| import org.apache.poi.ss.formula.eval.MissingArgEval; |
| import org.apache.poi.ss.formula.eval.NumberEval; |
| import org.apache.poi.ss.formula.eval.StringEval; |
| import org.apache.poi.ss.formula.eval.ValueEval; |
| import org.junit.jupiter.api.Test; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| |
| class TestProduct { |
| @Test |
| void missingArgsAreIgnored() { |
| ValueEval result = getInstance().evaluate(new ValueEval[]{new NumberEval(2.0), MissingArgEval.instance}, 0, 0); |
| assertTrue(result instanceof NumberEval); |
| assertEquals(2, ((NumberEval)result).getNumberValue(), 0); |
| } |
| |
| /** |
| * Actually PRODUCT() requires at least one arg but the checks are performed elsewhere. |
| * However, PRODUCT(,) is a valid call (which should return 0). So it makes sense to |
| * assert that PRODUCT() is also 0 (at least, nothing explodes). |
| */ |
| @Test |
| void missingArgEvalReturns0() { |
| ValueEval result = getInstance().evaluate(new ValueEval[0], 0, 0); |
| assertTrue(result instanceof NumberEval); |
| assertEquals(0, ((NumberEval)result).getNumberValue(), 0); |
| } |
| |
| @Test |
| void twoMissingArgEvalsReturn0() { |
| ValueEval result = getInstance().evaluate(new ValueEval[]{MissingArgEval.instance, MissingArgEval.instance}, 0, 0); |
| assertTrue(result instanceof NumberEval); |
| assertEquals(0, ((NumberEval)result).getNumberValue(), 0); |
| } |
| |
| @Test |
| void acceptanceTest() { |
| final ValueEval[] args = { |
| new NumberEval(2.0), |
| MissingArgEval.instance, |
| new StringEval("6"), |
| BoolEval.TRUE}; |
| ValueEval result = getInstance().evaluate(args, 0, 0); |
| assertTrue(result instanceof NumberEval); |
| assertEquals(12, ((NumberEval)result).getNumberValue(), 0); |
| } |
| |
| private static Function getInstance() { |
| return AggregateFunction.PRODUCT; |
| } |
| } |