commit
584ed77aa3
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@ -1,12 +1,25 @@
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package com.ossez.list.random;
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import com.google.common.collect.Lists;
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import org.junit.Test;
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import com.ossez.list.RemoveFirstElementTest;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.TestInstance;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.util.*;
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import java.util.concurrent.ThreadLocalRandom;
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/**
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* Test for Random remove item in listing
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*
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* <p><a href="https://www.ossez.com/t/java-list/13934">https://www.ossez.com/t/java-list/13934</a></p>
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*
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* @author YuCheng
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*/
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@TestInstance(TestInstance.Lifecycle.PER_CLASS)
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public class RandomListElementUnitTest {
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private final static Logger logger = LoggerFactory.getLogger(RemoveFirstElementTest.class);
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@Test
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public void givenList_whenRandomIndexChosen_shouldReturnARandomElementUsingRandom() {
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@ -20,6 +33,7 @@ public class RandomListElementUnitTest {
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public void givenList_whenRandomIndexChosen_shouldReturnARandomElementUsingMathRandom() {
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List<Integer> givenList = Lists.newArrayList(1, 2, 3);
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System.out.println(Math.random());
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givenList.get((int) (Math.random() * givenList.size()));
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}
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@ -53,6 +67,7 @@ public class RandomListElementUnitTest {
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@Test
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public void givenList_whenSeriesLengthChosen_shouldReturnRandomSeries() {
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List<Integer> givenList = Lists.newArrayList(1, 2, 3, 4, 5, 6);
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Collections.shuffle(givenList);
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int randomSeriesLength = 3;
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