33 lines
945 B
Java
33 lines
945 B
Java
package de.wwwu.awolf.presenter.util;
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import static org.junit.Assert.assertEquals;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import org.junit.Test;
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/**
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* Implementierung verschiedener Algorithmen zur Berechnung von Ausgleichsgeraden.
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*
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* @Author: Armin Wolf
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* @Email: a_wolf28@uni-muenster.de
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* @Date: 23.10.2017.
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*/
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public class FastElementSelectorTest {
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@Test
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public void randomizedSelect() throws Exception {
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Double[] array = {1d, 2d, 3d, 4d};
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ArrayList<Double> list = new ArrayList<>(Arrays.asList(array));
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assertEquals(FastElementSelector.randomizedSelect(list, 0), 1d, 0.00001);
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assertEquals(FastElementSelector.randomizedSelect(list, 2), 2d, 0.00001);
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}
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@Test(expected = IndexOutOfBoundsException.class)
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public void testIndexOutOfBoundsException() {
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FastElementSelector.randomizedSelect(Collections.emptyList(), 42);
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}
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} |