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Merge pull request #6024 from amit2103/BAEL-10836 

[BAEL-10836] - Removed CollectionsEmpty from core-java-collections mo…
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Loredana Crusoveanu 2018-12-29 21:34:55 +02:00 committed by GitHub
parent 2e32004739 d1fb8935e7
commit 99774f8730
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core-java-collections/src/test/java/org/baeldung/java/collections/CollectionsEmpty.java
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package org.baeldung.java.collections;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.junit.Assert;
import org.junit.Test;
class CollectionsEmpty {
@Test
public void givenArrayList_whenAddingElement_addsNewElement() {
ArrayList<String> mutableList = new ArrayList<>();
mutableList.add("test");
Assert.assertEquals(mutableList.size(), 1);
Assert.assertEquals(mutableList.get(0), "test");
}
@Test(expected = UnsupportedOperationException.class)
public void givenCollectionsEmptyList_whenAddingElement_throwsUnsupportedOperationException() {
List<String> immutableList = Collections.emptyList();
immutableList.add("test");
}
}