Ultra Geile Studenten Benutzer Oberfläche (UGSBO)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

31 lines
1.2 KiB

package com.ugsbo.complexnumcalc;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.*;
import org.junit.Test;
public class SubstractComplexNumbersTest {
@Test
public void substractTwoComplexNumbersWithoutImaginaryPart() {
ComplexNumber minuend = new ComplexNumber(Double.valueOf(5), Double.valueOf(0));
ComplexNumber subtrahend = new ComplexNumber(Double.valueOf(6), Double.valueOf(0));
ComplexNumber expected = new ComplexNumber(Double.valueOf(-1), Double.valueOf(0));
ComplexNumber difference = minuend.substract(subtrahend);
assertThat("The difference is not as expected", difference, equalTo(expected));
}
@Test
public void substractTwoComplexNumbersWithImaginaryPart() {
ComplexNumber minuend = new ComplexNumber(Double.valueOf(5), Double.valueOf(5));
ComplexNumber subtrahend = new ComplexNumber(Double.valueOf(6), Double.valueOf(4));
ComplexNumber expected = new ComplexNumber(Double.valueOf(-1), Double.valueOf(1));
ComplexNumber difference = minuend.substract(subtrahend);
assertThat("The difference is not as expected", difference, equalTo(expected));
}
}