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31 lines
1.2 KiB
31 lines
1.2 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 SubstractComplexNumbersTest {
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@Test
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public void substractTwoComplexNumbersWithoutImaginaryPart() {
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ComplexNumber minuend = new ComplexNumber(Double.valueOf(5), Double.valueOf(0));
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ComplexNumber subtrahend = new ComplexNumber(Double.valueOf(6), Double.valueOf(0));
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ComplexNumber expected = new ComplexNumber(Double.valueOf(-1), Double.valueOf(0));
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ComplexNumber difference = minuend.substract(subtrahend);
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assertThat("The difference is not as expected", difference, equalTo(expected));
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}
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@Test
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public void substractTwoComplexNumbersWithImaginaryPart() {
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ComplexNumber minuend = new ComplexNumber(Double.valueOf(5), Double.valueOf(5));
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ComplexNumber subtrahend = new ComplexNumber(Double.valueOf(6), Double.valueOf(4));
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ComplexNumber expected = new ComplexNumber(Double.valueOf(-1), Double.valueOf(1));
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ComplexNumber difference = minuend.substract(subtrahend);
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assertThat("The difference is not as expected", difference, equalTo(expected));
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}
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}
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