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33 lines
1.4 KiB
33 lines
1.4 KiB
package com.ugsbo.complexnumcalc;
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import static org.hamcrest.MatcherAssert.assertThat;
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import static org.hamcrest.Matchers.*;
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import org.junit.Test;
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public class conjugationOfComplexNumbersTest {
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@Test
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public void TheConjugatedComplexNumberOfAComplexNumberWithOnlyARealPartShouldBeTheRealPart_ButItIsNot() {
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Double realPart = Double.valueOf(4);
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Double imaginaryPart = Double.valueOf(0);
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ComplexNumber complexNumber = new ComplexNumber(realPart, imaginaryPart);
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ComplexNumber expected = new ComplexNumber(realPart, imaginaryPart);
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ComplexNumber actual = complexNumber.conjugationOf();
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assertThat("The conjugated complex Number of a complex number with only a real part is the real part", expected, equalTo(actual));
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}
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@Test
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public void TheConjugatedComplexNumberOfAComplexNumberShouldBeTheComplexNumberWithSwapedSignImaginaryPart_ButItIsNot() {
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Double realPart = Double.valueOf(4);
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Double imaginaryPart = Double.valueOf(5);
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ComplexNumber complexNumber = new ComplexNumber(realPart, imaginaryPart);
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ComplexNumber expected = new ComplexNumber(realPart, -imaginaryPart);
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ComplexNumber actual = complexNumber.conjugationOf();
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assertThat("The conjugated complex number of a complex number is the complex number with swaped sign in the imaginary part", expected, equalTo(actual));
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}
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}
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