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BAEL-1035 Introduction to Eclipse Collections

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This commit is contained in:
Ahmed Tawila
2017-08-09 23:06:04 +02:00
parent ac1e77f5d9
commit c8a6913956
6 changed files with 123 additions and 39 deletions
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libraries/src/test/java/com/baeldung/eclipsecollections/SelectPatternTest.java
+19 -21
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@@ -3,14 +3,17 @@ package com.baeldung.eclipsecollections;
import org.eclipse.collections.api.list.MutableList;
import org.eclipse.collections.impl.block.factory.Predicates;
import org.eclipse.collections.impl.list.mutable.FastList;
import org.junit.Assert;
import static org.junit.Assert.assertEquals;
import org.junit.Before;
import org.junit.Test;
public class SelectPatternTest {
@Test
public void whenSelect_thenCorrect() {
MutableList<Integer> list = new FastList<>();
MutableList<Integer> list;
@Before
public void getList() {
this.list = new FastList<>();
list.add(1);
list.add(8);
list.add(5);
@@ -19,36 +22,31 @@ public class SelectPatternTest {
list.add(17);
list.add(23);
list.add(38);
}
@Test
public void givenListwhenSelect_thenCorrect() {
MutableList<Integer> greaterThanThirty = list.select(Predicates.greaterThan(30))
.sortThis();
Assert.assertEquals(31, (int) greaterThanThirty.getFirst());
Assert.assertEquals(38, (int) greaterThanThirty.get(1));
Assert.assertEquals(41, (int) greaterThanThirty.getLast());
assertEquals(31, (int) greaterThanThirty.getFirst());
assertEquals(38, (int) greaterThanThirty.get(1));
assertEquals(41, (int) greaterThanThirty.getLast());
}
@SuppressWarnings("rawtypes")
public MutableList selectUsingLambda() {
MutableList<Integer> list = new FastList<>();
list.add(1);
list.add(8);
list.add(5);
list.add(41);
list.add(31);
list.add(17);
list.add(23);
list.add(38);
return list.select(each -> each > 30)
.sortThis();
}
@SuppressWarnings("unchecked")
@Test
public void whenSelectUsingLambda_thenCorrect() {
public void givenListwhenSelectUsingLambda_thenCorrect() {
MutableList<Integer> greaterThanThirty = selectUsingLambda();
Assert.assertEquals(31, (int) greaterThanThirty.getFirst());
Assert.assertEquals(38, (int) greaterThanThirty.get(1));
Assert.assertEquals(41, (int) greaterThanThirty.getLast());
assertEquals(31, (int) greaterThanThirty.getFirst());
assertEquals(38, (int) greaterThanThirty.get(1));
assertEquals(41, (int) greaterThanThirty.getLast());
}
}