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MyListImplTest.java
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MyListImplTest.java
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import org.testng.Assert;
import org.testng.annotations.Test;
public class MyListImplTest {
private String zeroIndexNode = "index zero";
private String oneIndexNode = "index one";
private String twoIndexNode = "index two";
private String threeIndexNode = "index three";
@Test
public void testSize() throws Exception {
MyList<String> list = new MyListImpl<String>();
Assert.assertEquals(list.size(), 0);
list.add(zeroIndexNode);
list.add(oneIndexNode);
list.add(twoIndexNode);
list.add(threeIndexNode);
Assert.assertEquals(list.size(), 4);
}
@Test
public void testAdd() throws Exception {
MyList<String> list = new MyListImpl<String>();
Assert.assertEquals(list.indexOf("index zero"), -1);
Assert.assertEquals(list.size(), 0);
list.add(zeroIndexNode);
Assert.assertEquals(list.indexOf("index zero"), 0);
Assert.assertEquals(list.size(), 1);
list.add("hey");
Assert.assertEquals(list.indexOf("hey"), 1);
Assert.assertEquals(list.size(), 2);
}
@Test
public void testGet() throws Exception {
MyList<String> list = new MyListImpl<String>();
list.add(zeroIndexNode);
list.add(oneIndexNode);
list.add(twoIndexNode);
list.add(threeIndexNode);
Assert.assertEquals(list.get(0).getValue(), "index zero");
list.remove(0);
Assert.assertEquals(list.get(0).getValue(), "index one");
}
@Test
public void testIsEmpty() throws Exception {
MyList<String> list = new MyListImpl<String>();
Assert.assertEquals(list.isEmpty(), true);
list.add(zeroIndexNode);
Assert.assertEquals(list.isEmpty(), false);
list.remove(0);
Assert.assertEquals(list.isEmpty(), true);
}
@Test
public void testRemove() throws Exception {
MyList<String> list = new MyListImpl<String>();
list.add(zeroIndexNode);
Assert.assertEquals(list.indexOf("index zero"), 0);
Assert.assertEquals(list.size(), 1);
list.remove(0);
Assert.assertEquals(list.indexOf("index zero"), -1);
Assert.assertEquals(list.size(), 0);
}
@Test
public void testContains() throws Exception {
MyList<String> list = new MyListImpl<String>();
list.add(zeroIndexNode);
Assert.assertEquals(list.contains("index one"), false);
Assert.assertEquals(list.contains("index zero"), true);
list.remove(0);
Assert.assertEquals(list.contains("index zero"), false);
}
@Test
public void testIndexOf() throws Exception {
MyList<String> list = new MyListImpl<String>();
list.add(zeroIndexNode);
list.add(oneIndexNode);
Assert.assertEquals(list.indexOf("lalal"), -1);
Assert.assertEquals(list.indexOf("index zero"), 0);
Assert.assertEquals(list.indexOf("index one"), 1);
list.remove(0);
Assert.assertEquals(list.indexOf("index zero"), -1);
Assert.assertEquals(list.indexOf("index one"), 0);
}
@Test
public void testCountRepetition() throws Exception {
MyList<String> list = new MyListImpl<String>();
list.add(zeroIndexNode);
list.add(oneIndexNode);
list.add(oneIndexNode);
list.add(oneIndexNode);
Assert.assertEquals(list.countRepetition("index one"), 3);
Assert.assertEquals(list.countRepetition("index zero"), 1);
Assert.assertEquals(list.countRepetition("index lala"), 0);
list.remove(0);
Assert.assertEquals(list.countRepetition("index zero"), 0);
list.remove(0);
Assert.assertEquals(list.countRepetition("index one"), 2);
}
@Test
public void testHasDuplicates() throws Exception {
MyList<String> list = new MyListImpl<String>();
Assert.assertEquals(list.hasDuplicates(), false);
list.add(zeroIndexNode);
list.add(oneIndexNode);
list.add(oneIndexNode);
Assert.assertEquals(list.hasDuplicates(), true);
list.remove(1);
Assert.assertEquals(list.hasDuplicates(), false);
}
@Test
public void testListDuplicates() throws Exception {
MyList<String> list = new MyListImpl<String>();
list.add(zeroIndexNode);
list.add(oneIndexNode);
list.add(oneIndexNode);
MyList<String> duplicates = list.listDuplicates();
Assert.assertEquals(duplicates.size(), 1);
Assert.assertEquals(duplicates.get(0).getValue(), "index one");
list.add(zeroIndexNode);
duplicates = list.listDuplicates();
Assert.assertEquals(duplicates.size(), 2);
Assert.assertEquals(duplicates.get(0).getValue(), "index zero");
Assert.assertEquals(duplicates.get(1).getValue(), "index one");
list.remove(0);
list.remove(1);
duplicates = list.listDuplicates();
Assert.assertEquals(duplicates.size(), 0);
Assert.assertEquals(duplicates.get(0), null);
}
}