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conversion simple testing work

This commit is contained in:
eugenp 2014-05-31 17:56:15 +03:00
parent 56369e71ae
commit d06f8f87b2
1 changed files with 63 additions and 3 deletions
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66
core-java/src/test/java/org/baeldung/java/collections/JavaCollectionConversionUnitTest.java
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@ -2,17 +2,24 @@ package org.baeldung.java.collections;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.commons.collections4.CollectionUtils;
import org.apache.commons.lang3.ArrayUtils;
import org.junit.Test;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import com.google.common.primitives.Ints;
@SuppressWarnings("unused")
public class JavaCollectionConversionUnitTest {
// List -> array; array -> List
@Test
public final void givenUsingCoreJava_whenArrayConvertedToList_thenCorrect() {
final Integer[] sourceArray = { 0, 1, 2, 3, 4, 5 };
@ -20,7 +27,7 @@ public class JavaCollectionConversionUnitTest {
}
@Test
public void givenUsingCoreJava_whenListConvertedToArray_thenCorrect() {
public final void givenUsingCoreJava_whenListConvertedToArray_thenCorrect() {
final List<Integer> sourceList = Lists.<Integer> newArrayList(0, 1, 2, 3, 4, 5);
final Integer[] targetArray = sourceList.toArray(new Integer[sourceList.size()]);
}
@ -32,16 +39,69 @@ public class JavaCollectionConversionUnitTest {
}
@Test
public void givenUsingGuava_whenLIistConvertedToArray_thenCorrect() {
public final void givenUsingGuava_whenListConvertedToArray_thenCorrect() {
final List<Integer> sourceList = Lists.newArrayList(0, 1, 2, 3, 4, 5);
final int[] targetArray = Ints.toArray(sourceList);
}
@Test
public void givenUsingCommonsCollections_whenArrayConvertedToList_thenCorrect() {
public final void givenUsingCommonsCollections_whenArrayConvertedToList_thenCorrect() {
final Integer[] sourceArray = { 0, 1, 2, 3, 4, 5 };
final List<Integer> targetList = new ArrayList<>(6);
CollectionUtils.addAll(targetList, sourceArray);
}
// Set -> array; array -> Set
@Test
public final void givenUsingCoreJavaV1_whenArrayConvertedToSet_thenCorrect() {
final Integer[] sourceArray = { 0, 1, 2, 3, 4, 5 };
final Set<Integer> targetSet = new HashSet<Integer>(Arrays.asList(sourceArray));
}
@Test
public final void givenUsingCoreJavaV2_whenArrayConvertedToSet_thenCorrect() {
final Integer[] sourceArray = { 0, 1, 2, 3, 4, 5 };
final Set<Integer> targetSet = new HashSet<Integer>();
Collections.addAll(targetSet, sourceArray);
}
@Test
public final void givenUsingCoreJava_whenSetConvertedToArray_thenCorrect() {
final Set<Integer> sourceSet = Sets.newHashSet(0, 1, 2, 3, 4, 5);
final Integer[] targetArray = sourceSet.toArray(new Integer[sourceSet.size()]);
}
@Test
public final void givenUsingGuava_whenArrayConvertedToSet_thenCorrect() {
final Integer[] sourceArray = { 0, 1, 2, 3, 4, 5 };
final Set<Integer> targetSet = Sets.newHashSet(sourceArray);
}
@Test
public final void givenUsingGuava_whenSetConvertedToArray_thenCorrect() {
final Set<Integer> sourceSet = Sets.newHashSet(0, 1, 2, 3, 4, 5);
final int[] targetArray = Ints.toArray(sourceSet);
}
@Test
public final void givenUsingCommonsCollections_whenArrayConvertedToSet_thenCorrect() {
final Integer[] sourceArray = { 0, 1, 2, 3, 4, 5 };
final Set<Integer> targetSet = new HashSet<>(6);
CollectionUtils.addAll(targetSet, sourceArray);
}
@Test
public final void givenUsingCommonsCollections_whenSetConvertedToArray_thenCorrect() {
final Set<Integer> sourceSet = Sets.newHashSet(0, 1, 2, 3, 4, 5);
final Integer[] targetArray = sourceSet.toArray(new Integer[sourceSet.size()]);
}
@Test
public final void givenUsingCommonsCollections_whenSetConvertedToArrayOfPrimitives_thenCorrect() {
final Set<Integer> sourceSet = Sets.newHashSet(0, 1, 2, 3, 4, 5);
final Integer[] targetArray = sourceSet.toArray(new Integer[sourceSet.size()]);
final int[] primitiveTargetArray = ArrayUtils.toPrimitive(targetArray);
}
}