@Test
public void properSubsetEqual() {
MutableSet<String> setA = UnifiedSet.newSetWith("Bertha", null, "Myra");
MutableSet<String> setB = UnifiedSet.newSetWith("Myra", "Bertha", null);
Assert.assertFalse(Sets.isProperSubsetOf(setA, setB));
Assert.assertFalse(Sets.isProperSubsetOf(setB, setA));
}
@Test
public void properSubsetNotEmpty() {
MutableSet<String> singletonSet = UnifiedSet.newSetWith("Bertha");
MutableSet<String> doubletonSet = UnifiedSet.newSetWith("Bertha", "Myra");
Assert.assertTrue(Sets.isProperSubsetOf(singletonSet, doubletonSet));
Assert.assertFalse(Sets.isProperSubsetOf(doubletonSet, singletonSet));
}
@Test
public void flatCollect() {
Function<Integer, MutableSet<String>> function =
object -> UnifiedSet.newSetWith(object.toString());
Verify.assertListsEqual(
FastList.newListWith("1"), SingletonListTest.newWith(1).flatCollect(function));
Verify.assertSetsEqual(
UnifiedSet.newSetWith("1"),
SingletonListTest.newWith(1).flatCollect(function, UnifiedSet.<String>newSet()));
}
@Test
public void cartesianProduct() {
MutableSet<Integer> set1 = UnifiedSet.newSetWith(1, 2);
MutableSet<Integer> set2 = UnifiedSet.newSetWith(2, 3, 4);
MutableBag<Pair<Integer, Integer>> expectedCartesianProduct =
Bags.mutable.of(
Tuples.pair(1, 2),
Tuples.pair(2, 2),
Tuples.pair(1, 3),
Tuples.pair(2, 3),
Tuples.pair(1, 4),
Tuples.pair(2, 4));
Assert.assertEquals(expectedCartesianProduct, Sets.cartesianProduct(set1, set2).toBag());
}
@Test
public void fixedSize() {
FixedSizeSetFactory setFactory = Sets.fixedSize;
Assert.assertEquals(UnifiedSet.newSet(), setFactory.of());
Verify.assertInstanceOf(FixedSizeSet.class, setFactory.of());
Assert.assertEquals(UnifiedSet.newSetWith(1), setFactory.of(1));
Verify.assertInstanceOf(FixedSizeSet.class, setFactory.of(1));
Assert.assertEquals(UnifiedSet.newSetWith(1, 2), setFactory.of(1, 2));
Verify.assertInstanceOf(FixedSizeSet.class, setFactory.of(1, 2));
Assert.assertEquals(UnifiedSet.newSetWith(1, 2, 3), setFactory.of(1, 2, 3));
Verify.assertInstanceOf(FixedSizeSet.class, setFactory.of(1, 2, 3));
Assert.assertEquals(UnifiedSet.newSetWith(1, 2, 3, 4), setFactory.of(1, 2, 3, 4));
Verify.assertInstanceOf(FixedSizeSet.class, setFactory.of(1, 2, 3, 4));
}
@Test
public void powerSet() {
MutableSet<Integer> set = UnifiedSet.newSetWith(1, 2, 3);
MutableSet<MutableSet<Integer>> expectedPowerSet =
UnifiedSet.<MutableSet<Integer>>newSetWith(
UnifiedSet.<Integer>newSet(),
UnifiedSet.newSetWith(1),
UnifiedSet.newSetWith(2),
UnifiedSet.newSetWith(3),
UnifiedSet.newSetWith(1, 2),
UnifiedSet.newSetWith(1, 3),
UnifiedSet.newSetWith(2, 3),
UnifiedSet.newSetWith(1, 2, 3));
Assert.assertEquals(expectedPowerSet, Sets.powerSet(set));
}
@Test
public void newListWithCollection() {
Verify.assertEmpty(MultiReaderFastList.newList(Lists.fixedSize.of()));
Verify.assertEmpty(MultiReaderFastList.newList(Sets.fixedSize.of()));
Verify.assertEmpty(MultiReaderFastList.newList(FastList.newList()));
Verify.assertEmpty(MultiReaderFastList.newList(FastList.newList(4)));
MutableList<Integer> setToList =
MultiReaderFastList.newList(UnifiedSet.newSetWith(1, 2, 3, 4, 5));
Verify.assertNotEmpty(setToList);
Verify.assertSize(5, setToList);
Verify.assertContainsAll(setToList, 1, 2, 3, 4, 5);
MutableList<Integer> arrayListToList =
MultiReaderFastList.newList(Lists.fixedSize.of(1, 2, 3, 4, 5));
Verify.assertNotEmpty(arrayListToList);
Verify.assertSize(5, arrayListToList);
Verify.assertStartsWith(arrayListToList, 1, 2, 3, 4, 5);
MutableList<Integer> fastListToList =
MultiReaderFastList.newList(FastList.<Integer>newList().with(1, 2, 3, 4, 5));
Verify.assertNotEmpty(fastListToList);
Verify.assertSize(5, fastListToList);
Verify.assertStartsWith(fastListToList, 1, 2, 3, 4, 5);
}
@Override
@Test
public void reject() {
Verify.assertContainsAll(this.newWith(1, 2, 3, 4).reject(Predicates.lessThan(3)), 3, 4);
Verify.assertContainsAll(
this.newWith(1, 2, 3, 4).reject(Predicates.lessThan(3), UnifiedSet.newSet()), 3, 4);
}
@Test
public void properSubsetEmpty() {
MutableSet<String> emptySet = mSet();
MutableSet<String> singletonSet = UnifiedSet.newSetWith("Bertha");
Assert.assertTrue(Sets.isProperSubsetOf(emptySet, singletonSet));
Assert.assertFalse(Sets.isProperSubsetOf(singletonSet, emptySet));
}
@Test
public void newSet() {
for (int i = 1; i <= 5; i++) {
Interval interval = Interval.oneTo(i);
Verify.assertEqualsAndHashCode(UnifiedSet.newSet(interval), Sets.immutable.ofAll(interval));
}
}
@Test
public void intersectAllIdentical() {
MutableSet<String> names =
Sets.intersectAll(
this.identicalSets.get(0), this.identicalSets.get(1), this.identicalSets.get(2));
Assert.assertEquals(UnifiedSet.newSetWith("Tom", "Dick", "Harry", null), names);
}
@Test
public void intersectAllOverlapping() {
MutableSet<String> names =
Sets.intersectAll(
this.overlappingSets.get(0), this.overlappingSets.get(1), this.overlappingSets.get(2));
Assert.assertEquals(UnifiedSet.newSetWith("Dick"), names);
}
@Test
public void rejectWith() {
Verify.assertEmpty(SingletonListTest.newWith(1).rejectWith(Predicates2.<Integer>lessThan(), 3));
Verify.assertContainsAll(
SingletonListTest.newWith(1)
.rejectWith(Predicates2.<Integer>greaterThan(), 3, UnifiedSet.<Integer>newSet()),
1);
}
@Test
public void unionAllOverlapping() {
MutableSet<String> names =
Sets.unionAll(
this.overlappingSets.get(0), this.overlappingSets.get(1), this.overlappingSets.get(2));
Assert.assertEquals(
UnifiedSet.newSetWith("Tom", "Dick", "Harry", "Larry", "Paul", null), names);
}
@Test
public void unionAllUnique() {
MutableSet<String> names =
Sets.unionAll(this.uniqueSets.get(0), this.uniqueSets.get(1), this.uniqueSets.get(2));
Assert.assertEquals(
UnifiedSet.newSetWith(
"Tom", "Dick", "Harry", "Jane", "Sarah", "Mary", "Fido", "Spike", "Spuds", null),
names);
}
@Test
public void copySet() {
Verify.assertInstanceOf(ImmutableSet.class, Sets.immutable.ofAll(Sets.fixedSize.of()));
MutableSet<Integer> set = Sets.fixedSize.of(1);
ImmutableSet<Integer> immutableSet = set.toImmutable();
Verify.assertInstanceOf(ImmutableSet.class, Sets.immutable.ofAll(set));
Verify.assertInstanceOf(
ImmutableSet.class, Sets.immutable.ofAll(UnifiedSet.newSetWith(1, 2, 3, 4, 5)));
Assert.assertSame(Sets.immutable.ofAll(immutableSet.castToSet()), immutableSet);
}
@Test
public void differenceAllUnique() {
MutableSet<String> names =
Sets.differenceAll(this.uniqueSets.get(0), this.uniqueSets.get(1), this.uniqueSets.get(2));
Assert.assertEquals(UnifiedSet.newSetWith("Harry", "Tom", "Dick", null), names);
Verify.assertSetsEqual(
names,
Sets.difference(
Sets.difference(this.uniqueSets.get(0), this.uniqueSets.get(1)),
this.uniqueSets.get(2)));
}
@Test
public void differenceAllOverlapping() {
MutableSet<String> names =
Sets.differenceAll(
this.overlappingSets.get(0), this.overlappingSets.get(1), this.overlappingSets.get(2));
Assert.assertEquals(UnifiedSet.newSetWith("Harry"), names);
Verify.assertSetsEqual(
names,
Sets.difference(
Sets.difference(this.overlappingSets.get(0), this.overlappingSets.get(1)),
this.overlappingSets.get(2)));
}
@Test
public void differenceAllIdentical() {
MutableSet<String> names =
Sets.differenceAll(
this.identicalSets.get(0), this.identicalSets.get(1), this.identicalSets.get(2));
Assert.assertEquals(UnifiedSet.newSetWith(), names);
Verify.assertSetsEqual(
names,
Sets.difference(
Sets.difference(this.identicalSets.get(0), this.identicalSets.get(1)),
this.identicalSets.get(2)));
}
@Test
public void mutables() {
MutableSetFactory setFactory = Sets.mutable;
Assert.assertEquals(UnifiedSet.newSet(), setFactory.of());
Verify.assertInstanceOf(MutableSet.class, setFactory.of());
Assert.assertEquals(UnifiedSet.newSetWith(1), setFactory.of(1));
Verify.assertInstanceOf(MutableSet.class, setFactory.of(1));
Assert.assertEquals(UnifiedSet.newSetWith(1, 2), setFactory.of(1, 2));
Verify.assertInstanceOf(MutableSet.class, setFactory.of(1, 2));
Assert.assertEquals(UnifiedSet.newSetWith(1, 2, 3), setFactory.of(1, 2, 3));
Verify.assertInstanceOf(MutableSet.class, setFactory.of(1, 2, 3));
Assert.assertEquals(UnifiedSet.newSetWith(1, 2, 3, 4), setFactory.of(1, 2, 3, 4));
Verify.assertInstanceOf(MutableSet.class, setFactory.of(1, 2, 3, 4));
Assert.assertEquals(UnifiedSet.newSetWith(1, 2, 3, 4, 5), setFactory.of(1, 2, 3, 4, 5));
Verify.assertInstanceOf(MutableSet.class, setFactory.of(1, 2, 3, 4, 5));
Assert.assertEquals(
UnifiedSet.newSetWith(1, 2, 3, 4, 5),
setFactory.ofAll(UnifiedSet.newSetWith(1, 2, 3, 4, 5)));
Verify.assertInstanceOf(
MutableSet.class, setFactory.ofAll(UnifiedSet.newSetWith(1, 2, 3, 4, 5)));
}
@Test
public void collect() {
Verify.assertContainsAll(SingletonListTest.newWith(1).collect(String::valueOf), "1");
Verify.assertContainsAll(
SingletonListTest.newWith(1).collect(String::valueOf, UnifiedSet.<String>newSet()), "1");
}
@Test
public void cartesianProduct_empty() {
Assert.assertEquals(
Bags.mutable.of(),
HashBag.newBag(Sets.cartesianProduct(UnifiedSet.newSetWith(1, 2), UnifiedSet.newSet())));
}
private <E> TreeSet<E> newSortedSet(E... elements) {
return new TreeSet<>(UnifiedSet.newSetWith(elements));
}
@Test
public void powerSet_empty() {
Assert.assertEquals(
UnifiedSet.newSetWith(UnifiedSet.newSet()), Sets.powerSet(UnifiedSet.newSet()));
}
private <E> TreeSet<E> newReverseSortedSet(E... elements) {
TreeSet<E> set = new TreeSet<>(Collections.reverseOrder());
set.addAll(UnifiedSet.newSetWith(elements));
return set;
}
@Test
public void intersectAllUnique() {
MutableSet<String> names =
Sets.intersectAll(this.uniqueSets.get(0), this.uniqueSets.get(1), this.uniqueSets.get(2));
Assert.assertEquals(UnifiedSet.newSetWith(), names);
}
private <E> Procedure2<Set<E>, E[]> containsExactlyProcedure() {
return (set, elements) -> Assert.assertEquals(UnifiedSet.newSetWith(elements), set);
}
private <E> UnifiedSet<E> newUnsortedSet(E... elements) {
return UnifiedSet.newSetWith(elements);
}
@State(Scope.Thread)
@BenchmarkMode(Mode.Throughput)
@OutputTimeUnit(TimeUnit.SECONDS)
public class AnagramSetTest extends AbstractJMHTestRunner {
private static final int SIZE = 1_000_000;
private static final int BATCH_SIZE = 10_000;
private static final int SIZE_THRESHOLD = 10;
private final UnifiedSet<String> ecWords =
UnifiedSet.newSet(
FastList.newWithNValues(SIZE, () -> RandomStringUtils.randomAlphabetic(5).toUpperCase()));
private final Set<String> jdkWords = new HashSet<>(this.ecWords);
private ExecutorService executorService;
@Setup
public void setUp() {
this.executorService = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
}
@TearDown
public void tearDown() throws InterruptedException {
this.executorService.shutdownNow();
this.executorService.awaitTermination(1L, TimeUnit.SECONDS);
}
@Benchmark
public void serial_eager_scala() {
AnagramSetScalaTest.serial_eager_scala();
}
@Benchmark
public void serial_lazy_scala() {
AnagramSetScalaTest.serial_lazy_scala();
}
@Benchmark
public void parallel_lazy_scala() {
AnagramSetScalaTest.parallel_lazy_scala();
}
@Benchmark
public void serial_eager_ec() {
MutableSetMultimap<Alphagram, String> groupBy = this.ecWords.groupBy(Alphagram::new);
groupBy
.multiValuesView()
.select(iterable -> iterable.size() >= SIZE_THRESHOLD)
.toSortedList(Comparators.<RichIterable<String>>byIntFunction(RichIterable::size))
.asReversed()
.collect(iterable -> iterable.size() + ": " + iterable)
.forEach(Procedures.cast(e -> Assert.assertFalse(e.isEmpty())));
}
@Benchmark
public void parallel_eager_ec() {
MutableMultimap<Alphagram, String> groupBy =
ParallelIterate.groupBy(this.ecWords, Alphagram::new);
CompositeFastList<RichIterable<String>> select =
ParallelIterate.select(
groupBy.multiValuesView(),
iterable -> iterable.size() >= SIZE_THRESHOLD,
new CompositeFastList<>(),
false);
Collection<String> collect =
ParallelIterate.collect(
select
.toSortedList(Comparators.<RichIterable<String>>byIntFunction(RichIterable::size))
.asReversed(),
iterable -> iterable.size() + ": " + iterable);
ParallelIterate.forEach(collect, Procedures.cast(e -> Assert.assertFalse(e.isEmpty())));
}
@Benchmark
public void parallel_lazy_ec() {
UnsortedSetMultimap<Alphagram, String> multimap =
this.ecWords.asParallel(this.executorService, BATCH_SIZE).groupBy(Alphagram::new);
FastList<Pair<Integer, String>> pairs =
(FastList<Pair<Integer, String>>)
FastList.newList(multimap.multiValuesView())
.asParallel(this.executorService, BATCH_SIZE)
.select(iterable -> iterable.size() >= SIZE_THRESHOLD)
.collect(
iterable -> Tuples.pair(iterable.size(), iterable.size() + ": " + iterable))
.toSortedList((pair1, pair2) -> Integer.compare(pair2.getOne(), pair1.getOne()));
pairs
.asParallel(this.executorService, BATCH_SIZE)
.collect(Pair::getTwo)
.forEach(Procedures.cast(e -> Assert.assertFalse(e.isEmpty())));
}
@Benchmark
public void parallel_eager_forkjoin_ec() {
MutableMultimap<Alphagram, String> groupBy = FJIterate.groupBy(this.ecWords, Alphagram::new);
CompositeFastList<RichIterable<String>> select =
FJIterate.select(
groupBy.multiValuesView(),
iterable -> iterable.size() >= SIZE_THRESHOLD,
new CompositeFastList<>(),
false);
Collection<String> collect =
FJIterate.collect(
select
.toSortedList(Comparators.<RichIterable<String>>byIntFunction(RichIterable::size))
.asReversed(),
iterable -> iterable.size() + ": " + iterable);
FJIterate.forEach(collect, Procedures.cast(e -> Assert.assertFalse(e.isEmpty())));
}
@Benchmark
public void serial_lazy_jdk() {
Map<Alphagram, Set<String>> groupBy =
this.jdkWords
.stream()
.collect(Collectors.groupingBy(Alphagram::new, Collectors.<String>toSet()));
groupBy
.entrySet()
.stream()
.map(Map.Entry::getValue)
.filter(list -> list.size() >= SIZE_THRESHOLD)
.sorted(Comparator.<Set<String>>comparingInt(Set::size).reversed())
.map(list -> list.size() + ": " + list)
.forEach(e -> Assert.assertFalse(e.isEmpty()));
}
@Benchmark
public void serial_lazy_streams_ec() {
Map<Alphagram, Set<String>> groupBy =
this.ecWords
.stream()
.collect(Collectors.groupingBy(Alphagram::new, Collectors.<String>toSet()));
groupBy
.entrySet()
.stream()
.map(Map.Entry::getValue)
.filter(list -> list.size() >= SIZE_THRESHOLD)
.sorted(Comparator.<Set<String>>comparingInt(Set::size).reversed())
.map(list -> list.size() + ": " + list)
.forEach(e -> Assert.assertFalse(e.isEmpty()));
}
@Benchmark
public void parallel_lazy_jdk() {
Map<Alphagram, Set<String>> groupBy =
this.jdkWords
.parallelStream()
.collect(Collectors.groupingBy(Alphagram::new, Collectors.<String>toSet()));
groupBy
.entrySet()
.parallelStream()
.map(Map.Entry::getValue)
.filter(list -> list.size() >= SIZE_THRESHOLD)
.sorted(Comparator.<Set<String>>comparingInt(Set::size).reversed())
.parallel()
.map(list -> list.size() + ": " + list)
.forEach(e -> Assert.assertFalse(e.isEmpty()));
}
@Benchmark
public void parallel_lazy_streams_ec() {
Map<Alphagram, Set<String>> groupBy =
this.ecWords
.parallelStream()
.collect(Collectors.groupingBy(Alphagram::new, Collectors.<String>toSet()));
groupBy
.entrySet()
.parallelStream()
.map(Map.Entry::getValue)
.filter(list -> list.size() >= SIZE_THRESHOLD)
.sorted(Comparator.<Set<String>>comparingInt(Set::size).reversed())
.parallel()
.map(list -> list.size() + ": " + list)
.forEach(e -> Assert.assertFalse(e.isEmpty()));
}
private static final class Alphagram {
private final char[] key;
private Alphagram(String string) {
this.key = string.toCharArray();
Arrays.sort(this.key);
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || this.getClass() != o.getClass()) {
return false;
}
Alphagram alphagram = (Alphagram) o;
return Arrays.equals(this.key, alphagram.key);
}
@Override
public int hashCode() {
return Arrays.hashCode(this.key);
}
@Override
public String toString() {
return new String(this.key);
}
}
}
@SafeVarargs
@Override
protected final <V> UnifiedSet<V> createCollection(V... args) {
return UnifiedSet.newSetWith(args);
}