| /* ==================================================================== |
| 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.jupiter.api.Assertions.assertEquals; |
| |
| import org.apache.poi.ss.formula.eval.ErrorEval; |
| import org.apache.poi.ss.formula.eval.StringEval; |
| import org.apache.poi.ss.formula.eval.ValueEval; |
| import org.junit.jupiter.api.Test; |
| |
| /** |
| * Tests for {@link Complex} |
| * |
| * @author cedric dot walter @ gmail dot com |
| */ |
| class TestComplex { |
| private static ValueEval invokeValue(String real_num, String i_num, String suffix) { |
| ValueEval[] args = new ValueEval[]{new StringEval(real_num), new StringEval(i_num), new StringEval(suffix)}; |
| return new Complex().evaluate(args, -1, -1); |
| } |
| |
| private static void confirmValue(String msg, String real_num, String i_num, String suffix, String expected) { |
| ValueEval result = invokeValue(real_num, i_num, suffix); |
| assertEquals(StringEval.class, result.getClass()); |
| assertEquals(expected, ((StringEval) result).getStringValue(), msg); |
| } |
| |
| private static void confirmValueError(String msg, String real_num, String i_num, String suffix, ErrorEval numError) { |
| ValueEval result = invokeValue(real_num, i_num, suffix); |
| assertEquals(ErrorEval.class, result.getClass()); |
| assertEquals(numError, result, msg); |
| } |
| |
| @Test |
| void testBasic() { |
| confirmValue("Complex number with 3 and 4 as the real and imaginary coefficients (3 + 4i)", "3","4", "", "3+4i"); |
| confirmValue("Complex number with 3 and 4 as the real and imaginary coefficients, and j as the suffix (3 + 4j)", "3","4", "j", "3+4j"); |
| |
| confirmValue("Complex number with 0 and 1 as the real and imaginary coefficients (i)", "0","1", "", "i"); |
| confirmValue("Complex number with 1 and 0 as the real and imaginary coefficients (1)", "1","0", "", "1"); |
| |
| confirmValue("Complex number with 2 and 3 as the real and imaginary coefficients (2 + 3i)", "2","3", "", "2+3i"); |
| confirmValue("Complex number with -2 and -3 as the real and imaginary coefficients (-2-3i)", "-2","-3", "", "-2-3i"); |
| |
| confirmValue("Complex number with -2 and -3 as the real and imaginary coefficients (-0.5-3.2i)", "-0.5","-3.2", "", "-0.5-3.2i"); |
| } |
| |
| @Test |
| void testErrors() { |
| confirmValueError("argument is nonnumeric", "ABCD", "","", ErrorEval.VALUE_INVALID); |
| confirmValueError("argument is nonnumeric", "1", "ABCD","", ErrorEval.VALUE_INVALID); |
| confirmValueError("f suffix is neither \"i\" nor \"j\"", "1", "1","k", ErrorEval.VALUE_INVALID); |
| |
| confirmValueError("never use \"I\" ", "1", "1","I", ErrorEval.VALUE_INVALID); |
| confirmValueError("never use \"J\" ", "1", "1","J", ErrorEval.VALUE_INVALID); |
| } |
| } |