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96 lines
1.9 KiB
96 lines
1.9 KiB
package net.jrtechs.www.DataStructures.LinkedList;
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import org.junit.Test;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.assertTrue;
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/**
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* @author Jeffery Russell 8-24-18
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*/
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public class LinkedListTest
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{
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/**
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* Makes sure that instantiations work
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*/
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@Test
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public void testCreation()
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{
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assertNotNull(new LinkedList<Double>());
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assertNotNull(new LinkedList<Double>(12.2));
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}
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/**
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* Test Size of linked list
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*/
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@Test
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public void testSize()
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{
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LinkedList<Double> list = new LinkedList<>();
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list.add(12.0);
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assertTrue(list.size() == 1);
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list.add(13.0);
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assertTrue(list.size() == 2);
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}
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/**
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* Testing addition of data elements
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*/
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@Test
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public void testAddition()
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{
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LinkedList<Double> list = new LinkedList<>();
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list.add(12.0);
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list.add(13.0);
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list.add(44.9);
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assertTrue(list.contains(44.9));
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assertTrue(list.contains(12.0));
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assertTrue(list.contains(13.0));
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assertTrue(list.size() == 3);
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LinkedList<Double> list2 = new LinkedList<>(16.0);
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list2.add(18.0);
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assertTrue(list2.contains(16.0));
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assertTrue(list2.contains(18.0));
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assertTrue(list2.size() == 2);
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}
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/**
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* Testing addition of data elements
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*/
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@Test
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public void testDeletion()
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{
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LinkedList<Double> list = new LinkedList<>();
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list.add(12.0);
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list.add(13.0);
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list.add(44.9);
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assertTrue(list.contains(44.9));
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assertTrue(list.contains(12.0));
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assertTrue(list.contains(13.0));
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assertTrue(list.size() == 3);
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list.remove(0);
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list.remove(1);
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assertFalse(list.contains(12.0));
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assertFalse(list.contains(44.9));
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assertTrue(list.contains(13.0));
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}
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}
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