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DoubleBraceTest refactor

This commit is contained in:
pivovarit 2017-05-08 19:45:28 +02:00
parent f8d14b711a
commit b5f816ae2d
1 changed files with 8 additions and 3 deletions
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11
core-java/src/test/java/com/baeldung/java/doublebrace/DoubleBraceTest.java
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@ -1,18 +1,21 @@
package com.baeldung.java.doublebrace;
import org.junit.Test;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Stream;
import static java.util.stream.Collectors.collectingAndThen;
import static java.util.stream.Collectors.toSet;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class DoubleBraceTest {
@Test
public void whenInitializeSetWithoutDoubleBraces_containsElements() {
final Set<String> countries = new HashSet<String>();
final Set<String> countries = new HashSet<>();
countries.add("India");
countries.add("USSR");
countries.add("USA");
@ -34,7 +37,9 @@ public class DoubleBraceTest {
@Test
public void whenInitializeUnmodifiableSetWithDoubleBrace_containsElements() {
final Set<String> countries = Collections.unmodifiableSet(Stream.of("India", "USSR", "USA").collect(toSet()));
Set<String> countries = Stream.of("India", "USSR", "USA")
.collect(collectingAndThen(toSet(), Collections::unmodifiableSet));
assertTrue(countries.contains("India"));
}