/* ==================================================================== | |
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 | |
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Unless required by applicable law or agreed to in writing, software | |
distributed under the License is distributed on an "AS IS" BASIS, | |
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package org.apache.poi.ss.formula.functions; | |
import junit.framework.TestCase; | |
import org.apache.poi.ss.formula.eval.ErrorEval; | |
import org.apache.poi.ss.formula.eval.StringEval; | |
import org.apache.poi.ss.formula.eval.ValueEval; | |
/** | |
* Tests for {@link Complex} | |
* | |
* @author cedric dot walter @ gmail dot com | |
*/ | |
public class TestComplex extends TestCase | |
{ | |
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(msg, expected, ((StringEval) result).getStringValue()); | |
} | |
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(msg, numError, result); | |
} | |
public 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"); | |
} | |
public 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); | |
} | |
} |