package org.infinispan.util;
import static org.testng.AssertJUnit.assertEquals;
import static org.testng.AssertJUnit.assertTrue;
import java.util.HashSet;
import java.util.Set;
import org.infinispan.commons.util.InfinispanCollections;
import org.testng.annotations.Test;
/**
* Tests for the {@link InfinispanCollections} helpers.
*
* @author Galder ZamarreƱo
* @since 5.2
*/
@Test(groups = "unit", testName = "util.InfinispanCollectionsTest")
public class InfinispanCollectionsTest {
public void testDifferenceNotStored() {
Set<String> store = new HashSet<String>();
store.add("a");
store.add("b");
store.add("c");
Set<String> expected = new HashSet<String>();
expected.add("a");
expected.add("b");
expected.add("c");
expected.add("d");
Set<String> notStored = InfinispanCollections.difference(expected, store);
assertEquals(1, notStored.size());
assertTrue(notStored.contains("d"));
Set<String> notRemoved = InfinispanCollections.difference(store, expected);
assertEquals(0, notRemoved.size());
}
public void testDifferenceNotRemoved() {
Set<String> store = new HashSet<String>();
store.add("a");
store.add("b");
store.add("c");
store.add("d");
Set<String> expected = new HashSet<String>();
expected.add("a");
expected.add("b");
expected.add("c");
Set<String> notStored = InfinispanCollections.difference(expected, store);
assertEquals(0, notStored.size());
Set<String> notRemoved = InfinispanCollections.difference(store, expected);
assertEquals(1, notRemoved.size());
assertTrue(notRemoved.contains("d"));
}
public void testDifferenceNotStoreAndNotRemoved() {
Set<String> store = new HashSet<String>();
store.add("a");
store.add("b");
store.add("c");
store.add("d");
Set<String> expected = new HashSet<String>();
expected.add("a");
expected.add("b");
expected.add("c");
expected.add("e");
Set<String> notStored = InfinispanCollections.difference(expected, store);
assertEquals(1, notStored.size());
assertTrue(notStored.contains("e"));
Set<String> notRemoved = InfinispanCollections.difference(store, expected);
assertEquals(1, notRemoved.size());
assertTrue(notRemoved.contains("d"));
}
public void testNoDifference() {
Set<String> store = new HashSet<String>();
store.add("a");
store.add("b");
store.add("c");
Set<String> expected = new HashSet<String>();
expected.add("a");
expected.add("b");
expected.add("c");
Set<String> notStored = InfinispanCollections.difference(expected, store);
assertEquals(0, notStored.size());
Set<String> notRemoved = InfinispanCollections.difference(store, expected);
assertEquals(0, notRemoved.size());
}
}