iSharkFly-Docs/java-tutorials
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

list and set difference (#12787)

Browse Source 
* BAEL-5751 test commit for checkin builds

* BAEL-5751 compiled with java 8

* BAEL-5751 small update

* BAEL-5751 added the core code

* BAEL-5751 moved code to a different module
This commit is contained in:
Satyarth Shankar 2022-10-01 12:49:41 +05:30 committed by GitHub
parent e0272416f8
commit efa5e9fbeb
1 changed files with 51 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
core-java-modules/core-java-collections-4/src/test/java/com/baeldung/listandset/ListAndSetUnitTest.java Normal file
View File

@ -0,0 +1,51 @@
package com.baeldung.listandset;
import org.junit.Test;
import java.util.*;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class ListAndSetUnitTest {
@Test
public void givenList_whenDuplicates_thenAllowed(){
List<Integer> integerList = new ArrayList<>();
integerList.add(2);
integerList.add(3);
integerList.add(4);
integerList.add(4);
assertEquals(integerList.size(), 4);
}
@Test
public void givenSet_whenDuplicates_thenNotAllowed(){
Set<Integer> integerSet = new HashSet<>();
integerSet.add(2);
integerSet.add(3);
integerSet.add(4);
integerSet.add(4);
assertEquals(integerSet.size(), 3);
}
@Test
public void givenSet_whenOrdering_thenMayBeAllowed(){
Set<Integer> set1 = new LinkedHashSet<>();
set1.add(2);
set1.add(3);
set1.add(4);
Set<Integer> set2 = new LinkedHashSet<>();
set2.add(2);
set2.add(3);
set2.add(4);
boolean ordered = true;
Object[] arr1 = set1.toArray();
Object[] arr2 = set2.toArray();
for(int i=0; i < arr1.length; i++){
if (!arr1[i].equals(arr2[i])) {
ordered = false;
break;
}
}
assertTrue(ordered);
}
}