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rpvilaorpvilao
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Merge pull request eugenp#7726 from rodrigolgraciano/BAEL-3173
BAEL-3173
2 parents 434bfc9 + e925b07 commit f87160d

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‎libraries-primitive/pom.xml

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<version>1.0-SNAPSHOT</version>
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<name>libraries-primitive</name>
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<properties>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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</properties>
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<dependencies>
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<!-- https://mvnrepository.com/artifact/it.unimi.dsi/fastutil -->
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<dependency>
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<!-- https://mvnrepository.com/artifact/it.unimi.dsi/fastutil -->
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<dependency>
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<groupId>it.unimi.dsi</groupId>
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<artifactId>fastutil</artifactId>
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<version>8.2.2</version>
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<version>1.19</version>
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<scope>test</scope>
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</dependency>
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<!-- Eclipse Collections -->
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<dependency>
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<groupId>org.eclipse.collections</groupId>
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<artifactId>eclipse-collections-api</artifactId>
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<version>10.0.0</version>
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</dependency>
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<dependency>
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<groupId>org.eclipse.collections</groupId>
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<artifactId>eclipse-collections</artifactId>
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<version>10.0.0</version>
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</dependency>
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</dependencies>
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</project>
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</project>

‎libraries-primitive/src/test/java/com/baeldung/PrimitiveCollectionsUnitTest.java

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package com.baeldung;
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import org.eclipse.collections.api.list.primitive.ImmutableIntList;
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import org.eclipse.collections.api.list.primitive.MutableLongList;
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import org.eclipse.collections.api.map.primitive.MutableIntIntMap;
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import org.eclipse.collections.api.set.primitive.MutableIntSet;
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import org.eclipse.collections.impl.factory.primitive.*;
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import org.eclipse.collections.impl.list.Interval;
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import org.eclipse.collections.impl.list.primitive.IntInterval;
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import org.eclipse.collections.impl.map.mutable.primitive.IntIntHashMap;
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import org.junit.Test;
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import java.util.stream.DoubleStream;
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import static org.junit.Assert.assertEquals;
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public class PrimitiveCollectionsUnitTest {
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@Test
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public void whenListOfLongHasOneTwoThree_thenSumIsSix() {
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MutableLongList longList = LongLists.mutable.of(1L, 2L, 3L);
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assertEquals(6, longList.sum());
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}
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@Test
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public void whenListOfIntHasOneTwoThree_thenMaxIsThree() {
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ImmutableIntList intList = IntLists.immutable.of(1, 2, 3);
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assertEquals(3, intList.max());
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}
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@Test
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public void whenConvertFromIterableToPrimitive_thenValuesAreEquals() {
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Iterable<Integer> iterable = Interval.oneTo(3);
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MutableIntSet intSet = IntSets.mutable.withAll(iterable);
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IntInterval intInterval = IntInterval.oneTo(3);
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assertEquals(intInterval.toSet(), intSet);
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}
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@Test
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public void testOperationsOnIntIntMap() {
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MutableIntIntMap map = new IntIntHashMap();
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assertEquals(5, map.addToValue(0, 5));
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assertEquals(5, map.get(0));
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assertEquals(3, map.getIfAbsentPut(1, 3));
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}
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@Test
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public void whenCreateDoubleStream_thenAverageIsThree() {
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DoubleStream doubleStream = DoubleLists
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.mutable.with(1.0, 2.0, 3.0, 4.0, 5.0)
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.primitiveStream();
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assertEquals(3, doubleStream.average().getAsDouble(), 0.001);
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}
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@Test
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public void whenCreateMapFromStream_thenValuesMustMatch() {
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Iterable<Integer> integers = Interval.oneTo(3);
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MutableIntIntMap map =
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IntIntMaps.mutable.from(
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integers,
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key -> key,
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value -> value * value);
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MutableIntIntMap expected = IntIntMaps.mutable.empty()
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.withKeyValue(1, 1)
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.withKeyValue(2, 4)
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.withKeyValue(3, 9);
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assertEquals(expected, map);
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}
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}

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