package cyclops.data.basetests;
import com.oath.cyclops.types.traversable.IterableX;
import com.oath.cyclops.util.ExceptionSoftener;
import com.oath.cyclops.util.SimpleTimer;
import cyclops.companion.Monoids;
import cyclops.companion.Reducers;
import cyclops.companion.Semigroups;
import cyclops.companion.Streams;
import cyclops.control.Maybe;
import cyclops.control.Option;
import cyclops.control.Trampoline;
import cyclops.control.Try;
import cyclops.data.*;
import cyclops.data.HashMap;
import cyclops.data.TreeSet;
import cyclops.data.Vector;
import cyclops.data.tuple.Tuple;
import cyclops.data.tuple.Tuple2;
import cyclops.data.tuple.Tuple3;
import cyclops.data.tuple.Tuple4;
import cyclops.function.Monoid;
import cyclops.reactive.ReactiveSeq;
import cyclops.reactive.Spouts;
import cyclops.companion.Streamable;
import org.hamcrest.Matchers;
import org.hamcrest.core.IsEqual;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.mockito.MockitoAnnotations;
import org.reactivestreams.Subscription;
import reactor.test.StepVerifier;
import java.io.IOException;
import java.io.Serializable;
import java.util.*;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Function;
import java.util.function.Supplier;
import java.util.function.UnaryOperator;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import java.util.stream.LongStream;
import java.util.stream.Stream;
import static cyclops.data.tuple.Tuple.tuple;
import static cyclops.reactive.ReactiveSeq.fromIntStream;
import static java.util.Arrays.asList;
import static java.util.Comparator.comparing;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
public abstract class AbstractIterableXTest {
public abstract <T> IterableX<T> empty();
public abstract <T> IterableX<T> of(T... values);
public abstract IterableX<Integer> range(int start, int end);
public abstract IterableX<Long> rangeLong(long start, long end);
public abstract <T> IterableX<T> iterate(int times, T seed, UnaryOperator<T> fn);
public abstract <T> IterableX<T> generate(int times,Supplier<T> fn);
public abstract <U,T> IterableX<T> unfold(final U seed, final Function<? super U, Option<Tuple2<T, U>>> unfolder);
int captured=-1;
static Executor ex = Executors.newFixedThreadPool(1);
boolean set = false;
@Test
public void printNull(){
System.out.println(of(new String[]{null}));
}
@Test
public void zip2Seq() {
IterableX<Integer> it1 = of(1);
IterableX<Integer> it2 = of(2);
IterableX<Seq<Integer>> zipped = it1.zip(it2, Seq::of);
StepVerifier.create(zipped)
.consumeNextWith(t -> assertThat(t,contains(1,2)))
.expectComplete()
.verify();
}
@Test
public void zip3Seq() {
IterableX<Integer> it1 = of(1);
IterableX<Integer> it2 = of(2);
IterableX<Integer> it3 = of(3);
IterableX<Seq<Integer>> zipped = it1.zip3(it2, it3, Seq::of);
StepVerifier.create(zipped)
.consumeNextWith(t -> assertThat(t,contains(1,2,3)))
.expectComplete()
.verify();
}
@Test
public void zip4Seq() {
IterableX<Integer> it1 = of(1);
IterableX<Integer> it2 = of(2);
IterableX<Integer> it3 = of(3);
IterableX<Integer> it4 = of(4);
IterableX<Seq<Integer>> zipped = it1.zip4(it2, it3, it4, Seq::of);
StepVerifier.create(zipped)
.consumeNextWith(t -> assertThat(t,contains(1,2,3,4)))
.expectComplete()
.verify();
}
@Test
public void zip2Tuple() {
IterableX<Integer> it1 = of(1);
IterableX<Integer> it2 = of(2);
IterableX<Tuple2<Integer, Integer>> zipped = it1.zip(it2);
StepVerifier.create(zipped)
.consumeNextWith(t -> assertThat(Seq.of(t._1(),t._2()),contains(1,2)))
.expectComplete()
.verify();
}
@Test
public void zip3Tuple() {
IterableX<Integer> it1 = of(1);
IterableX<Integer> it2 = of(2);
IterableX<Integer> it3 = of(3);
IterableX<Tuple3<Integer, Integer, Integer>> zipped = it1.zip3(it2, it3);
StepVerifier.create(zipped)
.consumeNextWith(t -> assertThat(Seq.of(t._1(),t._2(),t._3()),contains(1,2,3)))
.expectComplete()
.verify();
}
@Test
public void zip4Tuple() {
IterableX<Integer> it1 = of(1);
IterableX<Integer> it2 = of(2);
IterableX<Integer> it3 = of(3);
IterableX<Integer> it4 = of(4);
IterableX<Tuple4<Integer, Integer, Integer, Integer>> zipped = it1.zip4(it2, it3, it4);
StepVerifier.create(zipped)
.consumeNextWith(t -> assertThat(Seq.of(t._1(),t._2(),t._3(),t._4()),contains(1,2,3,4)))
.expectComplete()
.verify();
}
@Test
public void zipWithSelf() {
AtomicBoolean data = new AtomicBoolean(false);
AtomicReference<Vector<Integer>> values = new AtomicReference<Vector<Integer>>(Vector.empty());
AtomicBoolean complete = new AtomicBoolean(false);
AtomicReference<Throwable> error = new AtomicReference<Throwable>(null);
of(1, 2).zip(of(1, 2), (a, b) -> a + b)
.forEach(n -> {
data.set(true);
values.updateAndGet(v -> v.plus(n));
}, e -> {
error.set(e);
}, () -> {
complete.set(true);
});
assertTrue(data.get());
assertTrue(complete.get());
assertNull(error.get());
assertThat(values.get(),hasItems(2,4));
}
@Test
public void zipWithSelfIncremental() {
AtomicBoolean data = new AtomicBoolean(false);
AtomicReference<Vector<Integer>> values = new AtomicReference<Vector<Integer>>(Vector.empty());
AtomicBoolean complete = new AtomicBoolean(false);
AtomicReference<Throwable> error = new AtomicReference<Throwable>(null);
Subscription sub = of(1, 2).zip(of(1, 2), (a, b) -> a + b)
.forEach(0, n -> {
data.set(true);
values.updateAndGet(v -> v.plus(n));
}, e -> {
error.set(e);
}, () -> {
complete.set(true);
});
assertFalse(data.get());
assertFalse(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.equalTo(Vector.empty()));
sub.request(1);
assertTrue(data.get());
assertFalse(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.equalTo(Vector.of(2)));
sub.request(10);
assertTrue(data.get());
assertTrue(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.equalTo(Vector.of(2,4)));
}
@Test
public void zipTwoAndThree(){
AtomicBoolean data = new AtomicBoolean(false);
AtomicReference<Vector<Integer>> values = new AtomicReference<Vector<Integer>>(Vector.empty());
AtomicBoolean complete = new AtomicBoolean(false);
AtomicReference<Throwable> error = new AtomicReference<Throwable>(null);
of(1, 2).zip(of(1, 2, 3), (a, b) -> a + b)
.forEach(n->{
data.set(true);
values.updateAndGet(v->v.plus(n));
},e->{
error.set(e);
},()->{
complete.set(true);
});
assertTrue(data.get());
assertTrue(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.hasItems(2,4));
}
@Test
public void zipTwoAndThreeIncremental() {
AtomicBoolean data = new AtomicBoolean(false);
AtomicReference<Vector<Integer>> values = new AtomicReference<Vector<Integer>>(Vector.empty());
AtomicBoolean complete = new AtomicBoolean(false);
AtomicReference<Throwable> error = new AtomicReference<Throwable>(null);
Subscription sub = of(1, 2).zip(of(1, 2,3), (a, b) -> a + b)
.forEach(0, n -> {
data.set(true);
values.updateAndGet(v -> v.plus(n));
}, e -> {
error.set(e);
}, () -> {
complete.set(true);
});
assertFalse(data.get());
assertFalse(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.equalTo(Vector.empty()));
sub.request(1);
assertTrue(data.get());
assertFalse(complete.get());
assertNull(error.get());
assertThat(values.get().size(), Matchers.equalTo(1));
sub.request(10);
assertTrue(data.get());
assertTrue(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.hasItems(2,4));
}
@Test
public void zipThreeAndTwo(){
AtomicBoolean data = new AtomicBoolean(false);
AtomicReference<Vector<Integer>> values = new AtomicReference<Vector<Integer>>(Vector.empty());
AtomicBoolean complete = new AtomicBoolean(false);
AtomicReference<Throwable> error = new AtomicReference<Throwable>(null);
of(1, 2,3).zip(of(1, 2), (a, b) -> a + b)
.forEach(n->{
data.set(true);
values.updateAndGet(v->v.plus(n));
},e->{
error.set(e);
},()->{
complete.set(true);
});
assertTrue(data.get());
assertTrue(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.hasItems(2,4));
}
@Test
public void zipThreeAndTwoIncremental() {
AtomicBoolean data = new AtomicBoolean(false);
AtomicReference<Vector<Integer>> values = new AtomicReference<Vector<Integer>>(Vector.empty());
AtomicBoolean complete = new AtomicBoolean(false);
AtomicReference<Throwable> error = new AtomicReference<Throwable>(null);
Subscription sub = Spouts.of(1, 2, 3).zip(Spouts.of(1, 2), (a, b) -> a + b)
.forEach(0, n -> {
data.set(true);
values.updateAndGet(v -> v.plus(n));
}, e -> {
error.set(e);
}, () -> {
complete.set(true);
});
assertFalse(data.get());
assertFalse(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.equalTo(Vector.empty()));
sub.request(1);
assertTrue(data.get());
assertFalse(complete.get());
assertNull(error.get());
assertThat(values.get().size(), Matchers.equalTo(1));
sub.request(10);
assertTrue(data.get());
assertTrue(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.hasItems(2,4));
}
@Test
public void emptyNonEmpty() {
AtomicBoolean data = new AtomicBoolean(false);
AtomicReference<Vector<Integer>> values = new AtomicReference<Vector<Integer>>(Vector.empty());
AtomicBoolean complete = new AtomicBoolean(false);
AtomicReference<Throwable> error = new AtomicReference<Throwable>(null);
this.<Integer>empty().zip(of(1,2,3,4,5,6), (a, b) -> a + b)
.forEach(n->{
data.set(true);
values.updateAndGet(v->v.plus(n));
},e->{
error.set(e);
},()->{
complete.set(true);
});
assertFalse(data.get());
assertTrue(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.equalTo(Vector.empty()));
}
@Test
public void emptyNonEmptyIncremental() {
AtomicBoolean data = new AtomicBoolean(false);
AtomicReference<Vector<Integer>> values = new AtomicReference<Vector<Integer>>(Vector.empty());
AtomicBoolean complete = new AtomicBoolean(false);
AtomicReference<Throwable> error = new AtomicReference<Throwable>(null);
Subscription sub = this.<Integer>empty().zip(of(1,2,3,4,5,6), (a, b) -> a + b)
.forEach(0, n -> {
data.set(true);
values.updateAndGet(v -> v.plus(n));
}, e -> {
error.set(e);
}, () -> {
complete.set(true);
});
assertFalse(data.get());
assertFalse(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.equalTo(Vector.empty()));
sub.request(1l);
assertFalse(data.get());
assertTrue(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.equalTo(Vector.empty()));
}
@Test
public void nonEmptyEmpty() {
AtomicBoolean data = new AtomicBoolean(false);
AtomicReference<Vector<Integer>> values = new AtomicReference<Vector<Integer>>(Vector.empty());
AtomicBoolean complete = new AtomicBoolean(false);
AtomicReference<Throwable> error = new AtomicReference<Throwable>(null);
this.of(1,2,3,4,5,6).zip(this.<Integer>empty(), (a, b) -> a + b)
.forEach(n->{
data.set(true);
values.updateAndGet(v->v.plus(n));
},e->{
error.set(e);
},()->{
complete.set(true);
});
assertFalse(data.get());
assertTrue(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.equalTo(Vector.empty()));
}
@Test
public void nonEmptyEmptyIncremental() {
AtomicBoolean data = new AtomicBoolean(false);
AtomicReference<Vector<Integer>> values = new AtomicReference<Vector<Integer>>(Vector.empty());
AtomicBoolean complete = new AtomicBoolean(false);
AtomicReference<Throwable> error = new AtomicReference<Throwable>(null);
Subscription sub = this.of(1,2,3,4,5,6).zip(this.<Integer>empty(), (a, b) -> a + b)
.forEach(0, n -> {
data.set(true);
values.updateAndGet(v -> v.plus(n));
}, e -> {
error.set(e);
}, () -> {
complete.set(true);
});
assertFalse(data.get());
assertFalse(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.equalTo(Vector.empty()));
sub.request(1l);
assertFalse(data.get());
assertTrue(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.equalTo(Vector.empty()));
}
@Test
public void pairZipWise() {
AtomicBoolean data = new AtomicBoolean(false);
AtomicReference<Vector<Tuple2<Integer,String>>> values = new AtomicReference<>(Vector.empty());
AtomicBoolean complete = new AtomicBoolean(false);
AtomicReference<Throwable> error = new AtomicReference<Throwable>(null);
of(1).zip(of("test"))
.zip(of("test2")).map(t -> Tuple.tuple(t._1()
._1(),
t._1()
._2() + t._2())).forEach( n -> {
data.set(true);
values.updateAndGet(v -> v.plus(n));
}, e -> {
error.set(e);
}, () -> {
complete.set(true);
});
assertTrue(data.get());
assertTrue(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.equalTo(Vector.of(Tuple.tuple(1,"testtest2"))));
}
@Test
public void pairWiseZipIncremental() {
AtomicBoolean data = new AtomicBoolean(false);
AtomicReference<Vector<Tuple2<Integer,String>>> values = new AtomicReference<>(Vector.empty());
AtomicBoolean complete = new AtomicBoolean(false);
AtomicReference<Throwable> error = new AtomicReference<Throwable>(null);
Subscription sub = of(1).zip(of("test"))
.zip(of("test2")).map(t -> Tuple.tuple(t._1()
._1(),
t._1()
._2() + t._2())).forEach(0, n -> {
data.set(true);
values.updateAndGet(v -> v.plus(n));
}, e -> {
error.set(e);
}, () -> {
complete.set(true);
});
assertFalse(data.get());
assertFalse(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.equalTo(Vector.empty()));
sub.request(10l);
assertTrue(data.get());
assertTrue(complete.get());
assertNull(error.get());
assertThat(values.get(), Matchers.equalTo(Vector.of(Tuple.tuple(1,"testtest2"))));
}
@Test
public void pushFlatMap() {
IterableX<Integer> odds =of(1, 3, 5, 7, 9);
IterableX<Integer> even = of(2, 4, 6);
IterableX<Vector<Tuple2<Integer,Integer>>> zipped = Spouts.from(odds.zip( (t1, t2) -> Tuple.tuple(t1, t2),even)).reduceAll(Vector.empty(),(a, b)->a.plus(b));
Vector<Tuple2<Integer, Integer>> x = zipped.elementAt(0l).orElse(null);
System.out.println(x);
assertThat(x,contains(Tuple.tuple(1, 2),
Tuple.tuple(3, 4),
Tuple.tuple(5, 6)));
IterableX<Vector<Tuple2<Integer,Integer>>> zipped2 = Spouts.from(odds.concatMap(it -> of(it)
.zip( (t1, t2) -> Tuple.tuple(t1, t2),even)
)).reduceAll(Vector.empty(),(a, b)->a.plus(b));
Vector<Tuple2<Integer, Integer>> x2 = zipped2.elementAt(0l).orElse(null);
System.out.println("X2 is " +x2);
assertThat(x2,contains(Tuple.tuple(1, 2),
Tuple.tuple(3, 2),
Tuple.tuple(5, 2),
Tuple.tuple(7, 2),
Tuple.tuple(9, 2)));
}
@Test
public void deleteBetween(){
List<String> result = of(1,2,3,4,5,6).deleteBetween(2,4)
.map(it ->it+"!!").collect(Collectors.toList());
assertThat(result,equalTo(Arrays.asList("1!!","2!!","5!!","6!!")));
}
@Test
public void deleteBetweenEmpty(){
Assert.assertThat(empty.deleteBetween(0,100), IsEqual.equalTo(empty));
Assert.assertThat(empty.deleteBetween(-10000,10000), IsEqual.equalTo(empty));
Assert.assertThat(empty.deleteBetween(-10000,Integer.MAX_VALUE), IsEqual.equalTo(empty));
}
@Test
public void deleteBetweenMax(){
assertThat(of(1,2,3,4,5,6).deleteBetween(2,Integer.MAX_VALUE).size(),equalTo(2));
assertThat(of(1,2,3,4,5,6).deleteBetween(0,Integer.MAX_VALUE).size(),equalTo(0));
}
@Test
public void insertAtIterable(){
List<String> result = of(1,2,3).insertAt(1,of(100,200,300))
.map(it ->it+"!!").collect(Collectors.toList());
Assert.assertThat(result,equalTo(Arrays.asList("1!!","100!!","200!!","300!!","2!!","3!!")));
}
@Test
public void indexOf(){
assertThat(empty().indexOf(e->true),equalTo(Maybe.nothing()));
assertThat(of(1).indexOf(e->true),equalTo(Maybe.just(0l)));
assertThat(of(1).indexOf(e->false),equalTo(Maybe.nothing()));
assertThat(of(1,2,3).indexOf(e->Objects.equals(2,e)),equalTo(Maybe.just(1l)));
}
@Test
public void indexOfSlize(){
assertThat(empty().indexOfSlice(Seq.of(1,2,3)),equalTo(Maybe.nothing()));
assertThat(of(1,2,3).indexOfSlice(Seq.of(1,2,3)),equalTo(Maybe.just(0l)));
assertThat(of(1).indexOfSlice(Seq.of(1,2,3)),equalTo(Maybe.nothing()));
assertThat(of(0,1,2,3).indexOfSlice(Seq.of(1,2,3)),equalTo(Maybe.just(1l)));
}
@Test
public void lastIndexOfSlize(){
assertThat(empty().lastIndexOfSlice(Seq.of(1,2,3)),equalTo(Maybe.nothing()));
assertThat(of(1,2,3).lastIndexOfSlice(Seq.of(1,2,3)),equalTo(Maybe.just(0l)));
assertThat(of(1).lastIndexOfSlice(Seq.of(1,2,3)),equalTo(Maybe.nothing()));
assertThat(of(0,1,2,3,4,5,6,1,2,3).lastIndexOfSlice(Seq.of(1,2,3)),equalTo(Maybe.just(7l)));
}
@Test
public void lastIndexOf(){
assertThat(empty().lastIndexOf(e->true),equalTo(Maybe.nothing()));
assertThat(of(1).lastIndexOf(e->true),equalTo(Maybe.just(0l)));
assertThat(of(1).lastIndexOf(e->false),equalTo(Maybe.nothing()));
assertThat(of(1,2,3).lastIndexOf(e->Objects.equals(2,e)),equalTo(Maybe.just(1l)));
assertThat(of(1,2,3,2).lastIndexOf(e->Objects.equals(2,e)),equalTo(Maybe.just(3l)));
}
@Test
public void insertAt(){
IterableX<String> result = of(1,2,3)
.insertAt(1,100,200,300)
.map(it ->it+"!!");
assertThat(result,equalTo(of("1!!","100!!","200!!","300!!","2!!","3!!")));
}
@Test
public void insertAtStream(){
IterableX<String> result = of(1,2,3).insertStreamAt(1,ReactiveSeq.of(100,200,300))
.map(it ->it+"!!");
assertThat(result,equalTo(of("1!!","100!!","200!!","300!!","2!!","3!!")));
}
@Test
public void unitIteratable(){
assertThat(of(3).unitIterable(()->of().iterator()),equalTo(of()));
assertThat(of().unitIterable(()->of(3).iterator()),equalTo(of(3)));
}
@Test
public void sizeTest(){
assertThat(of().size(),equalTo(0));
assertThat(of(1).size(),equalTo(1));
assertThat(of(1,2).size(),equalTo(2));
}
@Test
public void emptyTest(){
assertThat(of().isEmpty(),equalTo(true));
assertThat(of(1).isEmpty(),equalTo(false));
assertThat(of(2).isEmpty(),equalTo(false));
}
@Test
public void foldFuture(){
assertThat(of(1,2,3).foldFuture(ex, l->l.foldLeft(Monoids.intSum)).get(),equalTo(Try.success(6)));
}
@Test
public void foldLazy(){
assertThat(of(1,2,3).foldLazy(l->l.foldLeft(Monoids.intSum)).get(),equalTo(6));
}
@Test
public void foldTry(){
assertThat(of(1,2,3).foldTry(l->l.foldLeft(Monoids.intSum), Throwable.class).get(),equalTo(Option.some(6)));
}
@Test
public void subscribeEmpty(){
List result = new ArrayList<>();
Subscription s= of().forEachSubscribe(i->result.add(i));
s.request(1l);
assertThat(result.size(),equalTo(0));
s.request(1l);
assertThat(result.size(),equalTo(0));
s.request(1l);
assertThat(result.size(),equalTo(0));
}
@Test
public void subscribe(){
List<Integer> result = new ArrayList<>();
Subscription s= of(1,2,3).forEachSubscribe(i->result.add(i));
s.request(1l);
assertThat(result.size(),equalTo(1));
s.request(1l);
assertThat(result.size(),equalTo(2));
s.request(1l);
assertThat(result.size(),equalTo(3));
assertThat(result,hasItems(1,2,3));
}
@Test
public void subscribe3(){
List<Integer> result = new ArrayList<>();
Subscription s= of(1,2,3).forEachSubscribe(i->result.add(i));
s.request(3l);
assertThat(result.size(),equalTo(3));
assertThat(result,hasItems(1,2,3));
}
@Test
public void subscribeErrorEmpty(){
List result = new ArrayList<>();
Subscription s= of().forEachSubscribe(i->result.add(i), e->e.printStackTrace());
s.request(1l);
assertThat(result.size(),equalTo(0));
s.request(1l);
assertThat(result.size(),equalTo(0));
s.request(1l);
assertThat(result.size(),equalTo(0));
}
@Test
public void subscribeError(){
List<Integer> result = new ArrayList<>();
Subscription s= of(1,2,3).forEachSubscribe(i->result.add(i), e->e.printStackTrace());
s.request(1l);
assertThat(result.size(),equalTo(1));
s.request(1l);
assertThat(result.size(),equalTo(2));
s.request(1l);
assertThat(result.size(),equalTo(3));
assertThat(result,hasItems(1,2,3));
}
@Test
public void subscribe3Error() throws InterruptedException {
List<Integer> result = new ArrayList<>();
Subscription s= of(1,2,3).forEachSubscribe(i->result.add(i), e->e.printStackTrace());
s.request(3l);
assertThat(result.size(),equalTo(3));
assertThat(result,hasItems(1,2,3));
}
@Test
public void subscribeErrorEmptyOnComplete(){
List result = new ArrayList<>();
AtomicBoolean onComplete = new AtomicBoolean(false);
Subscription s= of().forEachSubscribe(i->result.add(i), e->e.printStackTrace(),()->onComplete.set(true));
s.request(1l);
assertThat(onComplete.get(),equalTo(true));
assertThat(result.size(),equalTo(0));
s.request(1l);
assertThat(result.size(),equalTo(0));
s.request(1l);
assertThat(result.size(),equalTo(0));
}
@Test
public void subscribeErrorOnComplete(){
List<Integer> result = new ArrayList<>();
AtomicBoolean onComplete = new AtomicBoolean(false);
Subscription s= of(1,2,3).forEachSubscribe(i->result.add(i), e->e.printStackTrace(),()->onComplete.set(true));
assertThat(onComplete.get(),equalTo(false));
s.request(1l);
assertThat(result.size(),equalTo(1));
assertThat(onComplete.get(),equalTo(false));
s.request(1l);
assertThat(result.size(),equalTo(2));
assertThat(onComplete.get(),equalTo(false));
s.request(1l);
assertThat(result.size(),equalTo(3));
assertThat(result,hasItems(1,2,3));
s.request(1l);
assertThat(onComplete.get(),equalTo(true));
}
@Test
public void subscribe3ErrorOnComplete(){
List<Integer> result = new ArrayList<>();
AtomicBoolean onComplete = new AtomicBoolean(false);
Subscription s= of(1,2,3).forEachSubscribe(i->result.add(i), e->e.printStackTrace(),()->onComplete.set(true));
assertThat(onComplete.get(),equalTo(false));
s.request(4l);
assertThat(onComplete.get(),equalTo(true));
assertThat(result.size(),equalTo(3));
assertThat(result,hasItems(1,2,3));
s.request(1l);
assertThat(onComplete.get(),equalTo(true));
}
@Test
public void iterate(){
Iterator<Integer> it = of(1,2,3).iterator();
List<Integer> list2 = new ArrayList<>();
while(it.hasNext())
list2.add(it.next());
assertThat(list2.size(),equalTo(3));
}
@Test
public void iterateStream(){
Iterator<Integer> it = of(1,2,3).stream().iterator();
List<Integer> list2 = new ArrayList<>();
while(it.hasNext())
list2.add(it.next());
assertThat(list2.size(),equalTo(3));
}
@Test
public void testRange(){
assertThat(range(0,2).size(),equalTo(2));
}
@Test
public void testRangeLong(){
assertThat(rangeLong(0,2).size(),equalTo(2));
}
@Test
public void testIterate(){
assertThat(iterate(5,1,i->i+1).size(),equalTo(5));
}
@Test
public void testGenerate(){
count = 0;
assertThat(generate(5,()->"hello"+(count++)).size(),equalTo(5));
}
@Test
public void testUnfold(){
Function<Integer,Option<Tuple2<Integer,Integer>>> fn= i-> i<=6 ? Option.of(Tuple.tuple(i,i+1)) : Option.none();
assertThat(unfold(1,fn ).size(),equalTo(6));
}
@Test
public void plusOne(){
assertThat(of().plus(1),hasItem(1));
}
@Test
public void plusTwo(){
assertThat(of().plus(1).plus(2),hasItems(1,2));
}
@Test
public void plusAllOne(){
assertThat(of().plusAll(of(1).toList()),hasItem(1));
}
@Test
public void plusAllTwo(){
assertThat(of().plusAll(of(1).toList()).plus(2),hasItems(1,2));
}
@Test
public void minusOneLarge(){
assertThat(range(0,10_000).size(),equalTo(10_000));
assertThat(range(0,10_000).removeValue(1).size(),equalTo(9999));
assertThat(range(0,10_000).append(1).removeValue(1).size(),equalTo(10000));
}
@Test
public void minusOne(){
assertThat(of().removeValue(1).size(),equalTo(0));
}
@Test
public void minusOneNotEmpty(){
assertThat(of(1).removeValue(1).size(),equalTo(0));
}
@Test
public void minusOneTwoValues(){
assertThat(of(1,2).removeValue(1),hasItem(2));
assertThat(of(1,2).removeValue(1),not(hasItem(1)));
}
@Test
public void removeAllTest(){
assertThat(of(1,2,3).removeAll(of(1,5,6,7,2)),equalTo(of(3)));
}
@Test
public void minusAllOne(){
assertThat(of().removeAll(of(1).toList()).size(),equalTo(0));
}
@Test
public void minusAllOneNotEmpty(){
assertThat(of(1).removeAll(of(1).toList()).size(),equalTo(0));
}
@Test
public void minusAllOneTwoValues(){
assertThat(of(1,2).removeAll(of(1).toList()),hasItem(2));
assertThat(of(1,2).removeAll(of(1).toList()),not(hasItem(1)));
}
@Test
public void notNull(){
assertThat(of(1,2,3,4,5).notNull(),hasItems(1,2,3,4,5));
}
@Test
public void retainAll(){
assertThat(of(1,2,3,4,5).retainAll((Iterable<Integer>)of(1,2,3)),hasItems(1,2,3));
}
@Test
public void retainAllStream(){
assertThat(of(1,2,3,4,5).retainStream(Stream.of(1,2,3)),hasItems(1,2,3));
}
@Test
public void retainAllValues(){
assertThat(of(1,2,3,4,5).retainAll(1,2,3),hasItems(1,2,3));
}
@Test
public void removeAll(){
assertThat(of(1,2,3,4,5).removeAll((Iterable<Integer>)of(1,2,3)),hasItems(4,5));
}
@Test
public void removeAllStream(){
assertThat(of(1,2,3,4,5).removeStream(Stream.of(1,2,3)),hasItems(4,5));
}
@Test
public void removeAllValues(){
assertThat(of(1,2,3,4,5).removeAll(1,2,3),hasItems(4,5));
}
@Test
public void testAnyMatch(){
assertThat(of(1,2,3,4,5).anyMatch(it-> it.equals(3)),is(true));
}
@Test
public void testAllMatch(){
assertThat(of(1,2,3,4,5).allMatch(it-> it>0 && it <6),is(true));
}
@Test
public void testNoneMatch(){
assertThat(of(1,2,3,4,5).noneMatch(it-> it==5000),is(true));
}
@Test
public void testAnyMatchFalse(){
assertThat(of(1,2,3,4,5).anyMatch(it-> it.equals(8)),is(false));
}
@Test
public void testAllMatchFalse(){
assertThat(of(1,2,3,4,5).allMatch(it-> it<0 && it >6),is(false));
}
@Test
public void testMapReduce(){
assertThat(of(1,2,3,4,5).map(it -> it*100).stream().reduce( (acc,next) -> acc+next).get(),is(1500));
}
@Test
public void testMapReduceSeed(){
assertThat(of(1,2,3,4,5).map(it -> it*100).stream().reduce( 50,(acc,next) -> acc+next),is(1550));
}
@Test
public void testMapReduceCombiner(){
assertThat(of(1,2,3,4,5).map(it -> it*100).stream().reduce( 0,
(acc, next) -> acc+next,
Integer::sum),is(1500));
}
/**
@Test
public void testFindFirst(){
assertThat(of(1,2,3),hasItem(of(1,2,3,4,5).filter(it -> it <3).findFirst().get()));
}
@Test
public void testFindAny(){
assertThat(of(1,2,3),hasItem(of(1,2,3,4,5).filter(it -> it <3).findAny().get()));
}
**/
@Test
public void testDistinct(){
assertThat(of(1,1,1,2,1).distinct().collect(Collectors.toList()).size(),is(2));
assertThat(of(1,1,1,2,1).distinct().collect(Collectors.toList()),hasItem(1));
assertThat(of(1,1,1,2,1).distinct().collect(Collectors.toList()),hasItem(2));
}
@Test
public void testMax2() {
assertThat(of(1, 2, 3, 4, 5).maximum((t1, t2) -> t1 - t2).orElse(-1), is(5));
}
@Test
public void testMin2(){
assertThat(of(1,2,3,4,5).minimum((t1, t2) -> t1-t2).orElse(-100),is(1));
}
@Test
public void sorted() {
assertThat(of(1,5,3,4,2).sorted(),is(of(1,2,3,4,5)));
}
@Test
public void sortedComparator() {
assertThat(of(1,5,3,4,2).sorted((t1,t2) -> t2-t1).collect(Collectors.toList()).size(),is(5));
}
@Test
public void forEach() {
List<Integer> list = new ArrayList<>();
of(1,5,3,4,2).forEach(it-> list.add(it));
assertThat(list,hasItem(1));
assertThat(list,hasItem(2));
assertThat(list,hasItem(3));
assertThat(list,hasItem(4));
assertThat(list,hasItem(5));
}
@Test
public void testCount(){
assertThat(of(1,5,3,4,2).count(),is(5L));
}
@Test
public void collect(){
assertThat(of(1,2,3,4,5).collect(Collectors.toList()).size(),is(5));
assertThat(of(1,1,1,2).collect(Collectors.toSet()).size(),is(2));
}
@Test
public void testFilter(){
assertThat(of(1,1,1,2).filter(it -> it==1).collect(Collectors.toList()),hasItem(1));
}
@Test
public void testFilterNot(){
assertThat(of(1,1,1,2).filterNot(it -> it==1).collect(Collectors.toList()),hasItem(2));
}
@Test
public void testMap2(){
assertThat(of(1).map(it->it+100).collect(Collectors.toList()).get(0),is(101));
}
Object val;
@Test
public void testPeek2(){
val = null;
List l = of(1).map(it->it+100)
.peek(it -> val=it)
.collect(Collectors.toList());
System.out.println(l);
assertThat(val,is(101));
}
@SuppressWarnings("serial")
public class X extends Exception {
}
@Test
public void flatMapEmpty(){
assertThat(empty().concatMap(i->of(1,2,3)).size(),equalTo(0));
}
@Test
public void flatMap(){
assertThat(of(1).concatMap(i->of(1,2,3)),hasItems(1,2,3));
}
@Test
public void slice(){
assertThat(of(1,2,3).slice(0,3),hasItems(1,2,3));
assertThat(empty().slice(0,2).size(),equalTo(0));
}
@Test
public void sliceTest(){
Assert.assertThat(empty.slice(0,100), IsEqual.equalTo(empty));
Assert.assertThat(empty.slice(-100,100), IsEqual.equalTo(empty));
Assert.assertThat(empty.slice(-100,Integer.MAX_VALUE), IsEqual.equalTo(empty));
Assert.assertThat(of(1,2,3,4,5,6,7).slice(0,100), IsEqual.equalTo(of(1,2,3,4,5,6,7)));
Assert.assertThat(of(1,2,3,4,5,6,7).slice(-100,100), IsEqual.equalTo(of(1,2,3,4,5,6,7)));
Assert.assertThat(of(1,2,3,4,5,6,7).slice(-100,Integer.MAX_VALUE), IsEqual.equalTo(of(1,2,3,4,5,6,7)));
Assert.assertThat(of(1,2,3,4,5,6,7).slice(3,7).size(), IsEqual.equalTo(4));
}
@Test
public void testTake(){
assertThat(of(1,2,3,4,5).take(2).collect(Collectors.toList()).size(),is(2));
assertThat(of(1,2,3,4,5).take(5).collect(Collectors.toList()).size(),is(5));
assertThat(of(1,2,3,4,5).take(50).collect(Collectors.toList()).size(),is(5));
assertThat(of(1,2,3,4,5).take(0).collect(Collectors.toList()).size(),is(0));
assertThat(of(1,2,3,4,5).take(-1).collect(Collectors.toList()).size(),is(0));
assertThat(of(1,2,3,4,5).take(5).containsValue(2),is(true));
}
@Test
public void testDrop() {
assertThat(of(1, 2, 3, 4, 5).drop(2)
.collect(Collectors.toList())
.size(),
is(3));
assertThat(of(1, 2, 3, 4, 5).drop(0)
.collect(Collectors.toList())
.size(),
is(5));
assertThat(of(1, 2, 3, 4, 5).drop(-1)
.collect(Collectors.toList())
.size(),
is(5));
assertThat(of(1, 2, 3, 4, 5).drop(5)
.collect(Collectors.toList())
.size(),
is(0));
assertThat(of(1, 2, 3, 4, 5).drop(50)
.collect(Collectors.toList())
.size(),
is(0));
}
@Test
public void testSkip(){
assertThat(of(1,2,3,4,5).drop(2).collect(Collectors.toList()).size(),is(3));
}
@Test
public void testMax(){
assertThat(of(1,2,3,4,5).maximum((t1, t2) -> t1-t2).orElse(-100),is(5));
}
@Test
public void testMin(){
assertThat(of(1,2,3,4,5).minimum((t1, t2) -> t1-t2).orElse(-40),is(1));
}
@Test
public void testOnEmpty() throws X {
assertEquals(asList(1), of().onEmpty(1).toList());
assertEquals(asList(1), of().onEmptyGet(() -> 1).toList());
assertEquals(asList(2), of(2).onEmpty(1).toList());
assertEquals(asList(2), of(2).onEmptyGet(() -> 1).toList());
}
@Test
public void testCollectable(){
assertThat(of(1,2,3).anyMatch(i->i==2),equalTo(true));
}
@Test
public void dropRight(){
assertThat(of(1,2,3).dropRight(1).toList(),hasItems(1,2));
assertThat(of(1,2,3).dropRight(1).toList().size(),equalTo(2));
}
@Test
public void dropRightLarge(){
assertThat(of(1,2,3).dropRight(Integer.MAX_VALUE).toList(),equalTo(Arrays.asList()));
}
@Test
public void dropRightNegative(){
assertThat(of(1,2,3).dropRight(-10000).toList(),equalTo(Arrays.asList(1,2,3)));
}
@Test
public void takeRightLarge(){
assertThat(of(1,2,3).takeRight(Integer.MAX_VALUE).toList(),equalTo(Arrays.asList(1,2,3)));
}
@Test
public void takeRightNegative(){
assertThat(of(1,2,3).takeRight(-10000).toList(),equalTo(Arrays.asList()));
}
@Test
public void dropRightEmpty(){
assertThat(of().dropRight(1),equalTo(of()));
}
@Test
public void dropUntil2(){
assertThat(of(1,2,3,4,5).dropUntil(p->p==2).toList().size(),lessThan(5));
}
@Test
public void dropUntilEmpty2(){
assertThat(of().dropUntil(p->true),equalTo(of()));
}
@Test
public void dropWhile2(){
assertThat(of(1,2,3,4,5).dropWhile(p->p<6).toList().size(),lessThan(1));
}
@Test
public void dropWhileEmpty2(){
assertThat(of().dropWhile(p->true),equalTo(of()));
}
@Test
public void dropUntil(){
assertThat(of(1,2,3,4,5).dropUntil(p->p==2).toList().size(),lessThan(5));
}
@Test
public void dropUntilEmpty(){
assertThat(of().dropUntil(p->true).toList(),equalTo(Arrays.asList()));
}
@Test
public void dropWhile(){
assertThat(of(1,2,3,4,5).dropWhile(p->p<6).toList().size(),lessThan(1));
}
@Test
public void dropWhileEmpty(){
assertThat(of().dropWhile(p->true),equalTo(of()));
}
@Test
public void filter(){
assertThat(of(1,2,3,4,5).filter(i->i<3).toList(),hasItems(1,2));
}
Throwable error;
IterableX<Integer> empty;
IterableX<Integer> nonEmpty;
@Before
public void setup(){
empty = of();
nonEmpty = of(1);
MockitoAnnotations.initMocks(this);
error = null;
}
protected Object value() {
return "jello";
}
private int value2() {
return 200;
}
@Test
public void statelessRemoveFirst(){
IterableX<Integer> stream = of(5,2,1).removeFirst(e -> Objects.equals(e, 2));
assertThat(stream.toList(),equalTo(Arrays.asList(5,1)));
assertThat(stream.toList(),equalTo(Arrays.asList(5,1)));
}
@Test
public void batchBySize(){
System.out.println(of(1,2,3,4,5,6).grouped(3).collect(Collectors.toList()));
assertThat(of(1,2,3,4,5,6).grouped(3).collect(Collectors.toList()).size(),is(2));
}
@Test
public void takeWhileTest(){
List<Integer> list = new ArrayList<>();
while(list.size()==0){
list = of(1,2,3,4,5,6).takeWhile(it -> it<4)
.peek(it -> System.out.println(it)).collect(Collectors.toList());
}
assertThat(of(1,2,3,4,5,6),hasItem(list.get(0)));
}
@Test
public void takeWhileTest2(){
List<Integer> list = new ArrayList<>();
while(list.size()==0){
list = of(1,2,3,4,5,6).takeWhile(it -> it<4)
.toList();
}
assertThat(of(1,2,3,4,5,6),hasItem(list.get(0)));
}
@Test
public void testScanLeftStringConcat() {
assertThat(of("a", "b", "c").scanLeft("", String::concat).toList().size(),
is(4));
}
@Test
public void testScanLeftSum() {
assertThat(of("a", "ab", "abc").map(str->str.length()).scanLeft(0, (u, t) -> u + t).toList().size(),
is(asList(0, 1, 3, 6).size()));
}
@Test
public void testScanRightStringConcatMonoid() {
System.out.println(of("a", "b", "c","d").scanRight(Monoid.of("", String::concat)).toList());
assertThat(of("a", "b", "c").scanRight(Monoid.of("", String::concat)).toList().size(),
is(asList("", "c", "bc", "abc").size()));
}
@Test
public void testScanRightStringConcat() {
assertThat(of("a", "b", "c").scanRight("", String::concat).toList().size(),
is(asList("", "c", "bc", "abc").size()));
}
@Test
public void testScanRightSum() {
assertThat(of("a", "ab", "abc").map(str->str.length()).scanRight(0, (t, u) -> u + t).toList().size(),
is(asList(0, 3, 5, 6).size()));
}
@Test
public void testIterable() {
List<Integer> list = of(1, 2, 3).to().collection(LinkedList::new);
for (Integer i :of(1, 2, 3)) {
assertThat(list,hasItem(i));
}
}
@Test
public void testGroupByEager() {
HashMap<Integer, Vector<Integer>> map1 =of(1, 2, 3, 4).groupBy(i -> i % 2);
assertThat(map1.getOrElse(0,Vector.empty()),hasItem(2));
assertThat(map1.getOrElse(0,Vector.empty()),hasItem(4));
assertThat(map1.getOrElse(1,Vector.empty()),hasItem(1));
assertThat(map1.getOrElse(1,Vector.empty()),hasItem(3));
assertEquals(2, map1.size());
}
@Test
public void testJoin() {
assertEquals("123".length(),of(1, 2, 3).join().length());
assertEquals("1, 2, 3".length(), of(1, 2, 3).join(", ").length());
assertEquals("^1|2|3$".length(), of(1, 2, 3).join("|", "^", "$").length());
}
@Test
public void testSkipWhile() {
Supplier<IterableX<Integer>> s = () -> of(1, 2, 3, 4, 5);
of(1, 2, 3, 4, 5).dropWhile(i -> false);
System.out.println(s.get().dropWhile(i -> false).toList());
assertTrue(s.get().dropWhile(i -> false).toList().containsAll(asList(1, 2, 3, 4, 5)));
assertEquals(asList(), s.get().dropWhile(i -> true).toList());
}
@Test
public void testSkipUntil() {
Supplier<IterableX<Integer>> s = () -> of(1, 2, 3, 4, 5);
assertEquals(asList(), s.get().dropUntil(i -> false).toList());
assertTrue(s.get().dropUntil(i -> true).toList().containsAll(asList(1, 2, 3, 4, 5)));
}
@Test
public void testLimitWhile() {
Supplier<IterableX<Integer>> s = () -> of(1, 2, 3, 4, 5);
assertEquals(asList(), s.get().takeWhile(i -> false).toList());
assertTrue( s.get().takeWhile(i -> i < 3).toList().size()!=5);
assertTrue(s.get().takeWhile(i -> true).toList().containsAll(asList(1, 2, 3, 4, 5)));
}
@Test
public void testTakeUntil() {
assertTrue(of(1, 2, 3, 4, 5).takeUntil(i -> false).toList().containsAll(asList(1, 2, 3, 4, 5)));
assertFalse(of(1, 2, 3, 4, 5).takeUntil(i -> i % 3 == 0).toList().size()==5);
assertEquals(asList(), of(1, 2, 3, 4, 5).takeUntil(i -> true).toList());
}
@Test
public void testLimitUntil() {
assertTrue(of(1, 2, 3, 4, 5).takeUntil(i -> false).toList().containsAll(asList(1, 2, 3, 4, 5)));
assertFalse(of(1, 2, 3, 4, 5).takeUntil(i -> i % 3 == 0).toList().size()==5);
assertEquals(asList(), of(1, 2, 3, 4, 5).takeUntil(i -> true).toList());
}
@Test
public void testMinByMaxBy() {
Supplier<IterableX<Integer>> s = () -> of(1, 2, 3, 4, 5, 6);
assertEquals(1, (int) s.get().maxBy(t -> Math.abs(t - 5)).orElse(-1));
assertEquals(5, (int) s.get().minBy(t -> Math.abs(t - 5)).orElse(-1));
assertEquals(6, (int) s.get().maxBy(t -> "" + t).orElse(-1));
assertEquals(1, (int) s.get().minBy(t -> "" + t).orElse(-1));
}
@Test
public void onePer(){
SimpleTimer timer = new SimpleTimer();
System.out.println(of(1,2,3,4,5,6).onePer(1000,TimeUnit.NANOSECONDS).collect(Collectors.toList()));
assertThat(of(1,2,3,4,5,6).onePer(1000,TimeUnit.NANOSECONDS).collect(Collectors.toList()).size(),is(6));
assertThat(timer.getElapsedNanoseconds(),greaterThan(600l));
}
@Test
public void xPer(){
SimpleTimer timer = new SimpleTimer();
assertThat(of(1,2,3,4,5,6).xPer(6,100000000,TimeUnit.NANOSECONDS).collect(Collectors.toList()).size(),is(6));
assertThat(timer.getElapsedNanoseconds(),lessThan(60000000l));
}
@Test
public void zip(){
List<Tuple2<Integer,Integer>> list =
of(1,2,3,4,5,6).zip(of(100,200,300,400))
.peek(it -> System.out.println(it))
.collect(Collectors.toList());
System.out.println(list);
List<Integer> right = list.stream().map(t -> t._2()).collect(Collectors.toList());
assertThat(right,hasItem(100));
assertThat(right,hasItem(200));
assertThat(right,hasItem(300));
assertThat(right,hasItem(400));
List<Integer> left = list.stream().map(t -> t._1()).collect(Collectors.toList());
assertThat(of(1,2,3,4,5,6),hasItem(left.get(0)));
}
@Test
public void testScanLeftStringConcatMonoid() {
assertThat(of("a", "b", "c").scanLeft(Reducers.toString("")).toList(), is(asList("", "a", "ab", "abc")));
}
@Test
public void testScanLeftSumMonoid() {
assertThat(of("a", "ab", "abc").map(str -> str.length()).
peek(System.out::println).scanLeft(Reducers.toTotalInt()).toList(), is(asList(0, 1, 3, 6)));
}
@Test
public void testScanRightSumMonoid() {
assertThat(of("a", "ab", "abc").peek(System.out::println)
.map(str -> str.length())
.peek(System.out::println)
.scanRight(Reducers.toTotalInt()).toList(), is(asList(0, 3, 5, 6)));
assertThat(of("a", "ab", "abc").peek(System.out::println)
.map(str -> str.length())
.peek(System.out::println)
.scanRight(Reducers.toTotalInt().zero(),Reducers.toTotalInt()).toList(), is(asList(0, 3, 5, 6)));
}
/**
@Test
public void recoverTest(){
assertThat(of(1,2,3).recover(i->10),equalTo(of(1,2,3)));
assertThat(of(1,2,3).recover(Throwable.class,i->10),equalTo(of(1,2,3)));
}
**/
@Test
public void windowStatefullyUntil(){
System.out.println(of(1,2,3,4,5,6)
.groupedUntil((s, i)->s.containsValue(4) ? true : false).toList());
System.out.println(ReactiveSeq.of(1,2,3,4,5,6)
.groupedUntil((s, i)->s.containsValue(4) ? true : false).toList());
System.out.println(Spouts.of(1,2,3,4,5,6)
.groupedUntil((s, i)->s.containsValue(4) ? true : false).toList());
System.out.println(Streamable.of(1,2,3,4,5,6)
.groupedUntil((s, i)->s.containsValue(4) ? true : false).toList());
assertThat(of(1,2,3,4,5,6)
.groupedUntil((s, i)->s.containsValue(4) ? true : false)
.toList().size(),equalTo(2));
}
@Test
public void windowStatefullyWhileEmpty(){
assertThat(of()
.groupedUntil((s, i)->s.contains(4) ? true : false)
.toList().size(),equalTo(0));
}
@Test
public void get0(){
assertTrue(of(1).elementAt(0).isPresent());
}
@Test
public void getAtMultple(){
assertThat(of(1,2,3,4,5).elementAt(2).toOptional().get(),equalTo(3));
}
@Test
public void getAt1(){
assertFalse(of(1).elementAt(1).isPresent());
}
@Test
public void elementAtEmpty(){
assertFalse(of().elementAt(0).isPresent());
}
@Test
public void singleTest(){
assertThat(of(1).singleOrElse(null),equalTo(1));
}
@Test
public void singleEmpty(){
assertNull(of().singleOrElse(null));
}
@Test
public void single2(){
assertNull(of(1,2).singleOrElse(null));
}
@Test
public void singleOptionalTest(){
assertThat(of(1).single().toOptional().get(),equalTo(1));
}
@Test
public void singleOptionalEmpty(){
assertFalse(of().single().isPresent());
}
@Test
public void singleOptonal2(){
assertFalse(of(1,2).single().isPresent());
}
@Test
public void testSkipLast(){
assertThat(of(1,2,3,4,5)
.dropRight(2),equalTo(of(1,2,3)));
}
@Test
public void testSkipLastEmpty(){
assertThat(of()
.dropRight(2),equalTo(of()));
}
@Test
public void testLimitLast(){
assertThat(of(1,2,3,4,5)
.takeRight(2),equalTo(of(4,5)));
}
@Test
public void testTakeRight(){
assertThat(of(1,2,3,4,5)
.takeRight(2),equalTo(of(4,5)));
}
@Test
public void testTakeRight5(){
assertThat(of(1,2)
.takeRight(5),equalTo(of(1,2)));
}
@Test
public void testLimitLastEmpty(){
assertThat(of()
.takeRight(2),equalTo(of()));
}
@Test
public void endsWith(){
assertTrue(of(1,2,3,4,5,6)
.endsWith(of(5,6)));
}
@Test
public void endsWithFalse(){
assertFalse(of(1,2,3,4,5,6)
.endsWith(of(5,6,7)));
}
@Test
public void endsWithToLong(){
assertFalse(of(1,2,3,4,5,6)
.endsWith(of(0,1,2,3,4,5,6)));
}
@Test
public void endsWithEmpty(){
assertTrue(of(1,2,3,4,5,6)
.endsWith(of()));
}
@Test
public void endsWithWhenEmpty(){
assertFalse(of()
.endsWith(of(1,2,3,4,5,6)));
}
@Test
public void endsWithBothEmpty(){
assertTrue(ReactiveSeq.<Integer>of()
.endsWith(of()));
}
@Test
public void streamable(){
Streamable<Integer> repeat = (of(1,2,3,4,5,6)
.map(i->i*2)
).to()
.streamable();
assertThat(repeat.stream().toList(),equalTo(Arrays.asList(2,4,6,8,10,12)));
assertThat(repeat.stream().toList(),equalTo(Arrays.asList(2,4,6,8,10,12)));
}
@Test
public void concurrentLazyStreamable(){
Streamable<Integer> repeat = of(1,2,3,4,5,6)
.map(i->i*2).to()
.streamable();
assertThat(repeat.stream().toList(),equalTo(Arrays.asList(2,4,6,8,10,12)));
assertThat(repeat.stream().toList(),equalTo(Arrays.asList(2,4,6,8,10,12)));
}
/**
@Test
public void splitBy(){
assertThat( of(1, 2, 3, 4, 5, 6).stream().splitBy(i->i<4).v1.toList(),equalTo(of(1,2,3)));
assertThat( of(1, 2, 3, 4, 5, 6).splitBy(i->i<4).v2.toList(),equalTo(of(4,5,6)));
}
**/
@Test
public void testLazy(){
Collection<Integer> col = of(1,2,3,4,5)
.peek(System.out::println).to()
.lazyCollection();
System.out.println("takeOne!");
col.forEach(System.out::println);
assertThat(col.size(),equalTo(5));
}
@Test
public void testLazyCollection(){
Collection<Integer> col = of(1,2,3,4,5)
.peek(System.out::println).to()
.lazyCollection();
System.out.println("takeOne!");
col.forEach(System.out::println);
assertThat(col.size(),equalTo(5));
}
@Test
public void headAndTailTest(){
Stream<String> s = Stream.of("hello","world");
Iterator<String> it = s.iterator();
String head = it.next();
Stream<String> tail = Streams.stream(it);
tail.forEach(System.out::println);
}
@Test
public void xMatch(){
assertTrue(of(1,2,3,5,6,7).xMatch(3, i-> i>4 ));
}
@Test
public void atLeast1(){
assertFalse(of(1,2,3,5,6,7).atLeast(3, i-> i>5));
}
@Test
public void atLeast(){
assertTrue(of(1,2,3,5,6,7).atLeast(3, i-> i>1 ));
assertTrue(of(1,2,3,5,6,7).atLeast(3, i-> i>2 ));
assertTrue(of(1,2,3,5,6,7).atLeast(3, i-> i>3 ));
assertTrue(of(1,2,3,5,6,7).atLeast(3, i-> i>4 ));
assertFalse(of(1,2,3,5,6,7).atLeast(3, i-> i>5));
assertFalse(of(1,2,3,5,6,7).atLeast(3, i-> i>6));
assertFalse(of(1,2,3,5,6,7).atLeast(3, i-> i>7));
}
int times = 0;
@Test
public void atLeastShortCircuit(){
times = 0;
assertTrue(of(1,2,3,5,6,7).stream().peek(a->times++).atLeast(1, i-> i>0 ));
assertThat(times,equalTo(1));
}
@Test
public void atMost(){
assertFalse(of(1,2,3,5,6,7).atMost(3, i-> i>1 ));
assertFalse(of(1,2,3,5,6,7).atMost(3, i-> i>2 ));
assertTrue(of(1,2,3,5,6,7).atMost(3, i-> i>3 ));
assertTrue(of(1,2,3,5,6,7).atMost(3, i-> i>4 ));
assertTrue(of(1,2,3,5,6,7).atMost(3, i-> i>5));
assertTrue(of(1,2,3,5,6,7).atMost(3, i-> i>6));
assertTrue(of(1,2,3,5,6,7).atMost(3, i-> i>7));
}
@Test
public void atMostShortCircuit(){
times = 0;
assertFalse(of(1,2,3,5,6,7).stream().peek(a->times++).atMost(1, i-> i>0 ));
assertThat(times,equalTo(2));
}
@Test
public void zip2of(){
List<Tuple2<Integer,Integer>> list =of(1,2,3,4,5,6)
.zip(of(100,200,300,400).stream())
.toList();
List<Integer> right = list.stream().map(t -> t._2()).collect(Collectors.toList());
assertThat(right,hasItem(100));
assertThat(right,hasItem(200));
assertThat(right,hasItem(300));
assertThat(right,hasItem(400));
List<Integer> left = list.stream().map(t -> t._1()).collect(Collectors.toList());
assertThat(of(1,2,3,4,5,6),hasItem(left.get(0)));
}
@Test
public void zipInOrder(){
List<Tuple2<Integer,Integer>> list = of(1,2,3,4,5,6)
.zip( of(100,200,300,400).stream())
.toList();
assertThat(asList(1,2,3,4,5,6),hasItem(list.get(0)._1()));
assertThat(asList(100,200,300,400),hasItem(list.get(0)._2()));
}
@Test
public void zipEmpty() throws Exception {
final IterableX<Integer> zipped = this.<Integer>empty().zip(ReactiveSeq.<Integer>of(), (a, b) -> a + b);
assertTrue(zipped.collect(Collectors.toList()).isEmpty());
}
@Test
public void shouldReturnEmptySeqWhenZipEmptyWithNonEmpty() throws Exception {
final IterableX<Integer> zipped = this.<Integer>empty().zip(of(1,2), (a, b) -> a + b);
assertTrue(zipped.collect(Collectors.toList()).isEmpty());
}
@Test
public void shouldReturnEmptySeqWhenZipNonEmptyWithEmptyStream() throws Exception {
final IterableX<Integer> zipped = of(1,2,3).zipWithStream(ReactiveSeq.<Integer>empty(), (a, b) -> a + b);
assertTrue(zipped.collect(Collectors.toList()).isEmpty());
}
@Test
public void shouldReturnEmptySeqWhenZipNonEmptyWithEmptyPublisherWith() throws Exception {
final IterableX<Tuple2<Integer,Integer>> zipped = of(1,2,3).zipWithPublisher(ReactiveSeq.empty());
assertTrue(zipped.collect(Collectors.toList()).isEmpty());
}
@Test
public void shouldReturnEmptySeqWhenZipNonEmptyWithEmptyStreamWith() throws Exception {
final IterableX<Tuple2<Integer,Integer>> zipped = of(1,2,3).zipWithStream(ReactiveSeq.empty());
assertTrue(zipped.collect(Collectors.toList()).isEmpty());
}
@Test
public void shouldReturnEmptySeqWhenZipNonEmptyWithEmptyPublisher() throws Exception {
final IterableX<Integer> zipped = of(1,2,3).zip((a, b) -> a + b, ReactiveSeq.<Integer>empty());
assertTrue(zipped.collect(Collectors.toList()).isEmpty());
}
@Test
public void shouldReturnEmptySeqWhenZipNonEmptyWithEmpty() throws Exception {
final IterableX<Integer> zipped = of(1,2,3).zip(this.<Integer>empty(), (a, b) -> a + b);
assertTrue(zipped.collect(Collectors.toList()).isEmpty());
}
@Test
public void shouldZipTwoFiniteSequencesOfSameSize() throws Exception {
final IterableX<String> first = of("A", "B", "C");
final IterableX<Integer> second = of(1, 2, 3);
final IterableX<String> zipped = first.zip(second, (a, b) -> a + b);
assertThat(zipped.collect(Collectors.toList()).size(),is(3));
}
@Test
public void shouldTrimSecondFixedSeqIfLonger() throws Exception {
final IterableX<String> first = of("A", "B", "C");
final IterableX<Integer> second = of(1, 2, 3, 4);
final IterableX<String> zipped = first.zip(second, (a, b) -> a + b);
assertThat(zipped.collect(Collectors.toList()).size(),is(3));
}
@Test
public void shouldTrimFirstFixedSeqIfLonger() throws Exception {
final IterableX<String> first = of("A", "B", "C","D");
final IterableX<Integer> second = of(1, 2, 3);
final IterableX<String> zipped = first.zip(second, (a, b) -> a + b);
assertThat(zipped.collect(Collectors.toList()).size(),equalTo(3));
}
@Test
public void testZipDifferingLength() {
List<Tuple2<Integer, String>> list = of(1, 2).zip(of("a", "b", "c", "d")).toList();
assertEquals(2, list.size());
assertTrue(of(1, 2).containsValue(list.get(0)._1()));
assertTrue(asList(1, 2).contains(list.get(0)._1()));
assertTrue("" + list.get(1)._2(), asList(1, 2).contains(list.get(1)._1()));
assertTrue(of("a", "b", "c", "d").containsValue(list.get(0)._2()));
assertTrue(of("a", "b", "c", "d").containsValue(list.get(1)._2()));
assertTrue(asList("a", "b", "c", "d").contains(list.get(0)._2()));
assertTrue(asList("a", "b", "c", "d").contains(list.get(1)._2()));
}
@Test
public void testZipPDifferingLength() {
List<Tuple2<Integer, String>> list = of(1, 2).zipWithPublisher(Spouts.of("a", "b", "c", "d")).toList();
assertEquals(2, list.size());
assertTrue(of(1, 2).containsValue(list.get(0)._1()));
assertTrue(asList(1, 2).contains(list.get(0)._1()));
assertTrue("" + list.get(1)._2(), asList(1, 2).contains(list.get(1)._1()));
assertTrue(of("a", "b", "c", "d").containsValue(list.get(0)._2()));
assertTrue(of("a", "b", "c", "d").containsValue(list.get(1)._2()));
assertTrue(asList("a", "b", "c", "d").contains(list.get(0)._2()));
assertTrue(asList("a", "b", "c", "d").contains(list.get(1)._2()));
}
@Test
public void testZipSDifferingLength() {
List<Tuple2<Integer, String>> list = of(1, 2).zipWithStream(ReactiveSeq.of("a", "b", "c", "d")).toList();
assertEquals(2, list.size());
assertTrue(of(1, 2).containsValue(list.get(0)._1()));
assertTrue(asList(1, 2).contains(list.get(0)._1()));
assertTrue("" + list.get(1)._2(), asList(1, 2).contains(list.get(1)._1()));
assertTrue(of("a", "b", "c", "d").containsValue(list.get(0)._2()));
assertTrue(of("a", "b", "c", "d").containsValue(list.get(1)._2()));
assertTrue(asList("a", "b", "c", "d").contains(list.get(0)._2()));
assertTrue(asList("a", "b", "c", "d").contains(list.get(1)._2()));
}
@Test
public void testZipPDifferingLengthT2() {
List<Tuple2<Integer, String>> list = of(1, 2).zip(Tuple2::of, Spouts.of("a", "b", "c", "d")).toList();
assertEquals(2, list.size());
assertTrue(of(1, 2).containsValue(list.get(0)._1()));
assertTrue(asList(1, 2).contains(list.get(0)._1()));
assertTrue("" + list.get(1)._2(), asList(1, 2).contains(list.get(1)._1()));
assertTrue(of("a", "b", "c", "d").containsValue(list.get(0)._2()));
assertTrue(of("a", "b", "c", "d").containsValue(list.get(1)._2()));
assertTrue(asList("a", "b", "c", "d").contains(list.get(0)._2()));
assertTrue(asList("a", "b", "c", "d").contains(list.get(1)._2()));
}
@Test
public void testZipSDifferingLengthT2() {
List<Tuple2<Integer, String>> list = of(1, 2).zipWithStream(ReactiveSeq.of("a", "b", "c", "d"),Tuple2::of).toList();
assertEquals(2, list.size());
assertTrue(of(1, 2).containsValue(list.get(0)._1()));
assertTrue(asList(1, 2).contains(list.get(0)._1()));
assertTrue("" + list.get(1)._2(), asList(1, 2).contains(list.get(1)._1()));
assertTrue(of("a", "b", "c", "d").containsValue(list.get(0)._2()));
assertTrue(of("a", "b", "c", "d").containsValue(list.get(1)._2()));
assertTrue(asList("a", "b", "c", "d").contains(list.get(0)._2()));
assertTrue(asList("a", "b", "c", "d").contains(list.get(1)._2()));
}
@Test
public void shouldTrimSecondFixedSeqIfLongerStream() throws Exception {
final IterableX<String> first = of("A", "B", "C");
final IterableX<Integer> second = of(1, 2, 3, 4);
final IterableX<String> zipped = first.zip(second, (a, b) -> a + b);
assertThat(zipped.collect(Collectors.toList()).size(),is(3));
}
@Test
public void shouldTrimFirstFixedSeqIfLongerStream() throws Exception {
final IterableX<String> first = of("A", "B", "C","D");
final IterableX<Integer> second = of(1, 2, 3);
final IterableX<String> zipped = first.zip(second, (a, b) -> a + b);
assertThat(zipped.collect(Collectors.toList()).size(),equalTo(3));
}
@Test
public void testZipDifferingLengthStream() {
List<Tuple2<Integer, String>> list = of(1, 2).zip(of("a", "b", "c", "d")).toList();
assertEquals(2, list.size());
assertTrue(asList(1, 2).contains(list.get(0)._1()));
assertTrue("" + list.get(1)._2(), asList(1, 2).contains(list.get(1)._1()));
assertTrue(asList("a", "b", "c", "d").contains(list.get(0)._2()));
assertTrue(asList("a", "b", "c", "d").contains(list.get(1)._2()));
}
@Test
public void shouldTrimSecondFixedSeqIfLongerSequence() throws Exception {
final IterableX<String> first = of("A", "B", "C");
final IterableX<Integer> second = of(1, 2, 3, 4);
final IterableX<String> zipped = first.zip(second, (a, b) -> a + b);
assertThat(zipped.collect(Collectors.toList()).size(),is(3));
}
@Test
public void shouldTrimFirstFixedSeqIfLongerSequence() throws Exception {
final IterableX<String> first = of("A", "B", "C","D");
final IterableX<Integer> second = of(1, 2, 3);
final IterableX<String> zipped = first.zip(second, (a, b) -> a + b);
assertThat(zipped.collect(Collectors.toList()).size(),equalTo(3));
}
@Test
public void testZipWithIndex() {
assertEquals(asList(), of().zipWithIndex().toList());
of("a").zipWithIndex().map(t -> t._2()).printOut();
assertThat(of("a").zipWithIndex().map(t -> t._2()).headOption().orElse(-1l), is(0l));
assertEquals(asList(Tuple.tuple("a", 0L)), of("a").zipWithIndex().toList());
}
@Test
public void emptyConvert(){
assertFalse(empty().to().option().isPresent());
assertTrue(empty().nonEmptyList(()->10).size()>0);
assertFalse(empty().seq().size()>0);
assertFalse(empty().lazySeq().size()>0);
assertFalse(empty().vector().size()>0);
assertFalse(empty().bankersQueue().size()>0);
assertFalse(empty().hashSet().size()>0);
assertFalse(empty().treeSet((Comparator)Comparator.naturalOrder()).size()>0);
assertFalse(empty().to().hashMap(t->t,t->t).size()>0);
assertFalse(empty().to().streamable().size()>0);
assertFalse(empty().to().seq().size()>0);
assertFalse(empty().to().lazySeq().size()>0);
assertFalse(empty().to().vector().size()>0);
assertFalse(empty().to().bankersQueue().size()>0);
assertFalse(empty().to().hashSet().size()>0);
assertFalse(empty().to().treeSet((Comparator)Comparator.naturalOrder()).size()>0);
assertFalse(empty().toSet().size()>0);
assertFalse(empty().toList().size()>0);
assertFalse(empty().to().streamable().size()>0);
assertFalse(empty.toMap(a->a).size()>0);
assertFalse(empty.toMap(a->a,a->a).size()>0);
assertFalse(empty.toHashMap(a->a).size()>0);
assertFalse(empty.toHashMap(a->a,a->a).size()>0);
}
@Test
public void bagXPresent(){
System.out.println(of(1).to().bag());
assertTrue(of(1).to().bag().size()>0);
}
@Test
public void presentConvert(){
assertTrue(of(1).seq().size()>0);
assertTrue(of(1).lazySeq().size()>0);
assertTrue(of(1).bankersQueue().size()>0);
assertTrue(of(1).vector().size()>0);
assertTrue(of(1).hashSet().size()>0);
assertThat(of(1).nonEmptyList(()->10),equalTo(NonEmptyList.of(1)));
assertTrue(of(1).to().option().isPresent());
assertTrue(of(1).toList().size()>0);
assertTrue(of(1).to().seq().size()>0);
assertTrue(of(1).to().lazySeq().size()>0);
assertTrue(of(1).to().bankersQueue().size()>0);
assertTrue(of(1).to().vector().size()>0);
assertTrue(of(1).to().hashSet().size()>0);
assertTrue(of(1).toSet().size()>0);
assertTrue(of(1).to().treeSet(Comparator.naturalOrder()).size()>0);
assertTrue(of(1).to().streamable().size()>0);
assertTrue(of(1).to().bag().size()>0);
assertTrue(of(1).to().hashMap(t->t, t->t).size()>0);
assertTrue(of(1).toSet().size()>0);
assertTrue(of(1).toList().size()>0);
assertTrue(of(1).to().streamable().size()>0);
assertTrue(of(1).toMap(a->a).size()>0);
assertTrue(of(1).toMap(a->a,a->a).size()>0);
assertTrue(of(1).toHashMap(a->a).size()>0);
assertTrue(of(1).toHashMap(a->a,a->a).size()>0);
assertThat(of(1).toMap(a->a).get(1),equalTo(1));
assertThat(of(1).toMap(a->a+1,a->a+2).get(2),equalTo(3));
assertThat(of(1).toHashMap(a->a).get(1),equalTo(Option.some(1)));
assertThat(of(1).toHashMap(a->a+1,a->a+2).get(2),equalTo(Option.some(3)));
}
@Test
public void presentConvert2(){
assertTrue(of(1,2).to().option().isPresent());
assertTrue(of(1,2).toList().size()==2);
assertTrue(of(1,2).to().seq().size()==2);
assertTrue(of(1,2).to().lazySeq().size()==2);
assertTrue(of(1,2).to().bankersQueue().size()==2);
assertTrue(of(1,2).to().vector().size()==2);
assertTrue(of(1,2).to().hashSet().size()==2);
assertTrue(of(1,2).toSet().size()==2);
assertTrue(of(1,2).to().treeSet(Comparator.naturalOrder()).size()==2);
assertTrue(of(1,2).to().streamable().size()==2);
assertTrue(of(1,2).to().bag().size()==2);
assertTrue(of(1,2).to().hashMap(t->t, t->t).size()==2);
assertTrue(of(1,2).toSet().size()==2);
assertTrue(of(1,2).toList().size()==2);
assertTrue(of(1,2).to().streamable().size()==2);
assertTrue(of(1,2).toMap(a->a).size()==2);
assertTrue(of(1,2).toMap(a->a,a->a).size()==2);
assertTrue(of(1,2).toHashMap(a->a).size()==2);
assertTrue(of(1,2).toHashMap(a->a,a->a).size()==2);
}
@Test
public void batchBySizeCollection(){
assertThat(of(1,2,3,4,5,6).grouped(3,()->Vector.empty()).elementAt(0).toOptional().get().size(),is(3));
// assertThat(of(1,1,1,1,1,1).grouped(3,()->new ListXImpl<>()).getValue(1).getValue().size(),is(1));
}
@Test
public void batchBySizeInternalSize(){
assertThat(of(1,2,3,4,5,6).grouped(3).collect(Collectors.toList()).get(0).size(),is(3));
}
@Test
public void fixedDelay(){
SimpleTimer timer = new SimpleTimer();
assertThat(of(1,2,3,4,5,6).fixedDelay(10000,TimeUnit.NANOSECONDS).collect(Collectors.toList()).size(),is(6));
assertThat(timer.getElapsedNanoseconds(),greaterThan(60000l));
}
@Test
public void testSorted() {
IterableX<Tuple2<Integer, String>> t1 = of(tuple(2, "two"), tuple(1, "replaceWith"));
List<Tuple2<Integer, String>> s1 = t1.sorted().toList();
System.out.println(s1);
assertEquals(tuple(1, "replaceWith"), s1.get(0));
assertEquals(tuple(2, "two"), s1.get(1));
IterableX<Tuple2<Integer, String>> t2 = of(tuple(2, "two"), tuple(1, "replaceWith"));
List<Tuple2<Integer, String>> s2 = t2.sorted(comparing(t -> t._1())).toList();
assertEquals(tuple(1, "replaceWith"), s2.get(0));
assertEquals(tuple(2, "two"), s2.get(1));
IterableX<Tuple2<Integer, String>> t3 = of(tuple(2, "two"), tuple(1, "replaceWith"));
List<Tuple2<Integer, String>> s3 = t3.sorted(t -> t._1()).toList();
assertEquals(tuple(1, "replaceWith"), s3.get(0));
assertEquals(tuple(2, "two"), s3.get(1));
}
@Test
public void zip2(){
List<Tuple2<Integer,Integer>> list =
of(1,2,3,4,5,6).zipWithStream(Stream.of(100,200,300,400))
.peek(it -> System.out.println(it))
.collect(Collectors.toList());
List<Integer> right = list.stream().map(t -> t._2()).collect(Collectors.toList());
System.out.println(right);
assertThat(right,hasItem(100));
assertThat(right,hasItem(200));
assertThat(right,hasItem(300));
assertThat(right,hasItem(400));
List<Integer> left = list.stream().map(t -> t._1()).collect(Collectors.toList());
assertThat(of(1,2,3,4,5,6),hasItem(left.get(0)));
}
@Test
public void zip3(){
IterableX<Tuple3<Integer, Integer, Character>> list = of(1, 2, 3, 4, 5, 6).zip3(ReactiveSeq.of(100, 200, 300, 400), ReactiveSeq.of('a', 'b'));
assertThat(list.size(),equalTo(2));
}
@Test
public void zip4(){
IterableX<Tuple4<Integer, Integer, Character, String>> list = of(1, 2, 3, 4, 5, 6).zip4(ReactiveSeq.of(100, 200, 300, 400), ReactiveSeq.of('a', 'b'), ReactiveSeq.of("hello"));
assertThat(list.size(),equalTo(1));
}
@Test
public void notEqualNull() {
assertFalse(empty().equals(null));
}
@Test
public void testReverse() {
assertThat(of(1, 2, 3).reverse().toList().size(), is(asList(3, 2, 1).size()));
}
@Test
public void testShuffle() {
Supplier<IterableX<Integer>> s = () -> of(1, 2, 3);
assertEquals(3, ((IterableX<Integer>) s.get().shuffle()).toList().size());
assertThat(((IterableX<Integer>) s.get().shuffle()).toList(), hasItems(1, 2, 3));
}
@Test
public void shuffleEmpty() {
assertThat(empty().shuffle(), equalTo(empty()));
}
@Test
public void testShuffleRandom() {
Random r = new Random();
Supplier<IterableX<Integer>> s = () -> of(1, 2, 3);
assertEquals(3, ((IterableX<Integer>) s.get()).shuffle(r).toList().size());
assertThat(((IterableX<Integer>) s.get()).shuffle(r).toList(), hasItems(1, 2, 3));
}
@Test
public void testMinByMaxBy2() {
Supplier<IterableX<Integer>> s = () -> of(1, 2, 3, 4, 5, 6);
assertEquals(1, (int) s.get().maxBy(t -> Math.abs(t - 5)).orElse(-1));
assertEquals(5, (int) s.get().minBy(t -> Math.abs(t - 5)).orElse(-1));
assertEquals(6, (int) s.get().maxBy(t -> "" + t).orElse(-1));
assertEquals(1, (int) s.get().minBy(t -> "" + t).orElse(-1));
}
@Test
public void testFoldLeft() {
for(int i=0;i<100;i++){
Supplier<IterableX<String>> s = () -> of("a", "b", "c");
assertTrue(s.get().foldLeft("", String::concat).contains("a"));
assertTrue(s.get().foldLeft("", String::concat).contains("b"));
assertTrue(s.get().foldLeft("", String::concat).contains("c"));
assertEquals(3, (int) s.get().foldLeft(0, (u, t) -> u + t.length()));
assertEquals(3, (int) s.get().foldLeft(0, (u, t) -> u + t.length()));
}
}
@Test
public void testFoldRight(){
Supplier<IterableX<String>> s = () -> of("a", "b", "c");
assertTrue(s.get().foldRight("", String::concat).contains("a"));
assertTrue(s.get().foldRight("", String::concat).contains("b"));
assertTrue(s.get().foldRight("", String::concat).contains("c"));
assertEquals(3, (int) s.get().foldRight(0, (t, u) -> u + t.length()));
}
@Test
public void testFoldLeftStringBuilder() {
Supplier<IterableX<String>> s = () -> of("a", "b", "c");
assertTrue(s.get().foldLeft(new StringBuilder(), (u, t) -> u.append("-").append(t)).toString().contains("a"));
assertTrue(s.get().foldLeft(new StringBuilder(), (u, t) -> u.append("-").append(t)).toString().contains("b"));
assertTrue(s.get().foldLeft(new StringBuilder(), (u, t) -> u.append("-").append(t)).toString().contains("c"));
assertTrue(s.get().foldLeft(new StringBuilder(), (u, t) -> u.append("-").append(t)).toString().contains("-"));
assertEquals(3, (int) s.get().foldLeft(0, (u, t) -> u + t.length()));
assertEquals(3, (int) s.get().foldLeft(0, (u, t) -> u + t.length()));
}
@Test
public void testFoldRighttringBuilder() {
Supplier<IterableX<String>> s = () -> of("a", "b", "c");
assertTrue(s.get().foldRight(new StringBuilder(), (t, u) -> u.append("-").append(t)).toString().contains("a"));
assertTrue(s.get().foldRight(new StringBuilder(), (t, u) -> u.append("-").append(t)).toString().contains("b"));
assertTrue(s.get().foldRight(new StringBuilder(), (t, u) -> u.append("-").append(t)).toString().contains("c"));
assertTrue(s.get().foldRight(new StringBuilder(), (t, u) -> u.append("-").append(t)).toString().contains("-"));
}
@Test
public void batchUntil(){
assertThat(of(1,2,3,4,5,6)
.groupedUntil(i->false)
.toList().size(),equalTo(1));
}
@Test
public void batchWhile(){
assertThat(of(1,2,3,4,5,6)
.groupedWhile(i->true)
.toList()
.size(),equalTo(1));
}
@Test
public void batchUntilSupplier(){
assertThat(of(1,2,3,4,5,6)
.groupedUntil(i->false,()->Vector.empty())
.toList().size(),equalTo(1));
}
@Test
public void batchWhileSupplier(){
assertThat(of(1,2,3,4,5,6)
.groupedWhile(i->true,()->Vector.empty())
.toList()
.size(),equalTo(1));
}
@Test
public void slidingNoOrder() {
List<Seq<Integer>> list = of(1, 2, 3, 4, 5, 6).sliding(2).toList();
System.out.println(list);
assertThat(list.get(0).size(), equalTo(2));
assertThat(list.get(1).size(), equalTo(2));
}
@Test
public void slidingIncrementNoOrder() {
List<Seq<Integer>> list = of(1, 2, 3, 4, 5, 6).sliding(3, 2).collect(Collectors.toList());
System.out.println(list);
assertThat(list.get(1).size(), greaterThan(1));
}
@Test
public void combineNoOrder(){
assertThat(of(1,2,3)
.combine((a, b)->a.equals(b), Semigroups.intSum)
.toList(),equalTo(Arrays.asList(1,2,3)));
}
@Test
public void zip3NoOrder(){
List<Tuple3<Integer,Integer,Character>> list =
of(1,2,3,4).zip3(of(100,200,300,400).stream(),of('a','b','c','d').stream())
.toList();
System.out.println(list);
List<Integer> right = list.stream().map(t -> t._2()).collect(Collectors.toList());
assertThat(right,hasItem(100));
assertThat(right,hasItem(200));
assertThat(right,hasItem(300));
assertThat(right,hasItem(400));
List<Integer> left = list.stream().map(t -> t._1()).collect(Collectors.toList());
assertThat(of(1,2,3,4),hasItem(left.get(0)));
List<Character> three = list.stream().map(t -> t._3()).collect(Collectors.toList());
assertThat(of('a','b','c','d'),hasItem(three.get(0)));
}
@Test
public void zip4NoOrder(){
List<Tuple4<Integer,Integer,Character,String>> list =
of(1,2,3,4).zip4(of(100,200,300,400).stream(),of('a','b','c','d').stream(),of("hello","world","boo!","2").stream())
.toList();
System.out.println(list);
List<Integer> right = list.stream().map(t -> t._2()).collect(Collectors.toList());
assertThat(right,hasItem(100));
assertThat(right,hasItem(200));
assertThat(right,hasItem(300));
assertThat(right,hasItem(400));
List<Integer> left = list.stream().map(t -> t._1()).collect(Collectors.toList());
assertThat(of(1,2,3,4),hasItem(left.get(0)));
List<Character> three = list.stream().map(t -> t._3()).collect(Collectors.toList());
assertThat(of('a','b','c','d'),hasItem(three.get(0)));
List<String> four = list.stream().map(t -> t._4()).collect(Collectors.toList());
assertThat(of("hello","world","boo!","2"),hasItem(four.get(0)));
}
@Test
public void testIntersperseNoOrder() {
assertThat(((IterableX<Integer>)of(1,2,3).intersperse(0)).toList(),hasItem(0));
}
@Test
public void allCombinations3NoOrder() {
System.out.println(of(1, 2, 3).combinations().map(s->s.toList()).toList());
assertThat(of(1, 2, 3).combinations().map(s->s.toList()).toList().size(),equalTo(8));
}
@Test
public void emptyAllCombinationsNoOrder() {
assertThat(of().combinations().map(s -> s.toList()), equalTo(of(Arrays.asList())));
}
@Test
public void emptyPermutationsNoOrder() {
assertThat(of().permutations().map(s->s.toList()),equalTo(of()));
}
@Test
public void permuations3NoOrder() {
System.out.println(of(1, 2, 3).permutations().map(s->s.toList()).toList());
assertThat(of(1, 2, 3).permutations().map(s->s.toList()).toList().get(0).size(),
equalTo(3));
}
@Test
public void emptyCombinationsNoOrder() {
assertThat(of().combinations(2).map(s -> s.toList()).toList(), equalTo(Arrays.asList()));
}
@Test
public void combinations2NoOrder() {
assertThat(of(1, 2, 3).combinations(2).map(s->s.toList()).toList().get(0).size(),
equalTo(2));
}
protected Object sleep(int i) {
try {
Thread.currentThread().sleep(i);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return i;
}
Trampoline<Long> fibonacci(int i){
return fibonacci(i,1,0);
}
Trampoline<Long> fibonacci(int n, long a, long b) {
return n == 0 ? Trampoline.done(b) : Trampoline.more( ()->fibonacci(n-1, a+b, a));
}
@Test
public void cycleMonoidNoOrder(){
assertThat(of(1,2,3)
.cycle(Reducers.toCountInt(),3)
.toList(),
equalTo(Arrays.asList(3,3,3)));
}
@Test
public void testCycleNoOrder() {
assertEquals(6,of(1, 2).cycle(3).toList().size());
assertEquals(6, of(1, 2, 3).cycle(2).toList().size());
}
@Test
public void testCycleTimesNoOrder() {
assertEquals(6,of(1, 2).cycle(3).toList().size());
}
@Test
public void testCycleWhile() {
count =0;
assertEquals(6,of(1, 2, 3).cycleWhile(next->count++<6).toList().size());
}
@Test
public void testCycleUntil() {
count =0;
System.out.println("List " + of(1, 2, 3).peek(System.out::println).cycleUntil(next->count++==6).toList());
count =0;
assertEquals(6,of(1, 2, 3).cycleUntil(next->count++==6).toList().size());
}
@Test
public void sortedComparatorNoOrd() {
assertThat(of(1,5,3,4,2).sorted((t1,t2) -> t2-t1),is(of(5,4,3,2,1)));
}
@Test
public void takeRightNoOrd(){
assertThat(of(1,2,3).takeRight(1).toList(),hasItems(3));
}
@Test
public void takeRightEmptyNoOrd(){
assertThat(of().takeRight(1),equalTo(of()));
}
@Test
public void takeUntilNoOrd(){
assertThat(of(1,2,3,4,5).takeUntil(p->p==2).toList().size(),greaterThan(0));
}
@Test
public void takeUntilEmptyNoOrd(){
assertThat(of().takeUntil(p->true),equalTo(of()));
}
@Test
public void takeWhileNoOrd(){
assertThat(of(1,2,3,4,5).takeWhile(p->p<6).toList().size(),greaterThan(1));
}
@Test
public void takeWhileEmptyNoOrd(){
assertThat(of().takeWhile(p->true),equalTo(of()));
}
@Test
public void testOnEmptyOrderedNoOrd() {
assertEquals(asList(1), of().onEmpty(1).toList());
assertEquals(asList(1), of().onEmptyGet(() -> 1).toList());
assertEquals(asList(2), of(2).onEmpty(1).toList());
assertEquals(of(2), of(2).onEmptyGet(() -> 1));
assertEquals(asList(2, 3), of(2, 3).onEmpty(1).toList());
assertEquals(asList(2, 3), of(2, 3).onEmptyGet(() -> 1).toList());
}
@Test
public void testCycleNoOrd() {
assertEquals(asList(1, 2, 1, 2, 1, 2),of(1, 2).cycle(3).toList());
assertEquals(asList(1, 2, 3, 1, 2, 3), of(1, 2, 3).cycle(2).toList());
}
int count =0;
@Test
public void testCycleWhileNoOrd() {
count =0;
assertEquals(asList(1, 2, 3, 1, 2,3),of(1, 2, 3).cycleWhile(next->count++<6).toList());
}
@Test
public void testCycleUntilNoOrd() {
count =0;
assertEquals(asList(1, 2,3, 1, 2,3),of(1, 2, 3).cycleUntil(next->count++==6).toList());
}
@Test
public void slidingNoOrd() {
List<Seq<Integer>> list = of(1, 2, 3, 4, 5, 6).sliding(2).toList();
System.out.println(list);
assertThat(list.get(0), hasItems(1, 2));
assertThat(list.get(1), hasItems(2, 3));
}
@Test
public void slidingIncrementNoOrd() {
List<Seq<Integer>> list = of(1, 2, 3, 4, 5, 6).sliding(3, 2).collect(Collectors.toList());
System.out.println(list);
assertThat(list.get(0), hasItems(1, 2, 3));
assertThat(list.get(1), hasItems(3, 4, 5));
}
@Test
public void combineNoOrd(){
assertThat(of(1,1,2,3)
.combine((a, b)->a.equals(b),Semigroups.intSum)
.toList(),equalTo(Arrays.asList(4,3)));
}
@Test
public void zip3NoOrd(){
List<Tuple3<Integer,Integer,Character>> list =
of(1,2,3,4,5,6).zip3(of(100,200,300,400).stream(),of('a','b','c').stream())
.toList();
System.out.println(list);
List<Integer> right = list.stream().map(t -> t._2()).collect(Collectors.toList());
assertThat(right,hasItem(100));
assertThat(right,hasItem(200));
assertThat(right,hasItem(300));
assertThat(right,not(hasItem(400)));
List<Integer> left = list.stream().map(t -> t._1()).collect(Collectors.toList());
assertThat(of(1,2,3,4,5,6),hasItem(left.get(0)));
List<Character> three = list.stream().map(t -> t._3()).collect(Collectors.toList());
assertThat(of('a','b','c'),hasItem(three.get(0)));
}
@Test
public void zip4NoOrd(){
List<Tuple4<Integer,Integer,Character,String>> list =
of(1,2,3,4,5,6).zip4(of(100,200,300,400).stream(),of('a','b','c').stream(),of("hello","world").stream())
.toList();
System.out.println(list);
List<Integer> right = list.stream().map(t -> t._2()).collect(Collectors.toList());
assertThat(right,hasItem(100));
assertThat(right,hasItem(200));
assertThat(right,not(hasItem(300)));
assertThat(right,not(hasItem(400)));
List<Integer> left = list.stream().map(t -> t._1()).collect(Collectors.toList());
assertThat(of(1,2,3,4,5,6),hasItem(left.get(0)));
List<Character> three = list.stream().map(t -> t._3()).collect(Collectors.toList());
assertThat(of('a','b','c'),hasItem(three.get(0)));
List<String> four = list.stream().map(t -> t._4()).collect(Collectors.toList());
assertThat(of("hello","world"),hasItem(four.get(0)));
}
@Test
public void testIntersperseNoOrd() {
assertThat(((IterableX<Integer>)of(1,2,3).intersperse(0)),equalTo(of(1,0,2,0,3)));
}
private int addOne(Integer i){
return i+1;
}
private int add(Integer a, Integer b){
return a+b;
}
private String concat(String a, String b, String c){
return a+b+c;
}
private String concat4(String a, String b, String c,String d){
return a+b+c+d;
}
private String concat5(String a, String b, String c,String d,String e){
return a+b+c+d+e;
}
@Test
public void allCombinations3NoOrd() {
assertThat(of(1, 2, 3).combinations().map(s->s.toList()),equalTo(of(Arrays.asList(), Arrays.asList(1), Arrays.asList(2),
Arrays.asList(3), Arrays.asList(1, 2), Arrays.asList(1, 3), Arrays.asList(2, 3), Arrays.asList(1, 2, 3))));
}
@Test
public void emptyAllCombinationsNoOrd() {
assertThat(of().combinations().map(s -> s.toList()).toList(), equalTo(Arrays.asList(Arrays.asList())));
}
@Test
public void emptyPermutationsNoOrd() {
assertThat(of().permutations().map(s->s.toList()),equalTo(of()));
}
@Test
public void permuations3NoOrd() {
System.out.println(of(1, 2, 3).permutations().map(s->s.toList()).toList());
assertThat(of(1, 2, 3).permutations().map(s->s.toList()).toList(),
equalTo(of(of(1, 2, 3),
of(1, 3, 2), of(2, 1, 3), of(2, 3, 1), of(3, 1, 2), of(3, 2, 1)).peek(i->System.out.println("peek - " + i)).map(s->s.toList()).toList()));
}
@Test
public void emptyCombinationsNoOrd() {
assertThat(of().combinations(2).map(s -> s.toList()).toList(), equalTo(Arrays.asList()));
}
@Test
public void combinations2NoOrd() {
assertThat(of(1, 2, 3).combinations(2).map(s->s.toList()),
equalTo(of(Arrays.asList(1, 2), Arrays.asList(1, 3), Arrays.asList(2, 3))));
}
@Test
public void testScanLeftStringConcatNoOrd() {
assertThat(of("a", "b", "c").scanLeft("", String::concat).toList().size(),
is(4));
}
@Test
public void batchBySizeNoOrd(){
System.out.println(of(1,2,3,4,5,6).grouped(3).collect(Collectors.toList()));
assertThat(of(1,2,3,4,5,6).grouped(3).collect(Collectors.toList()).size(),is(2));
}
@Test
public void testReverseNoOrd() {
assertThat(of(1, 2, 3).reverse().toList(), containsInAnyOrder(3, 2, 1));
}
@Test
public void testFoldRightNoOrd() {
Supplier<IterableX<String>> s = () -> of("a", "b", "c");
assertTrue(s.get().foldRight("", String::concat).contains("a"));
assertTrue(s.get().foldRight("", String::concat).contains("b"));
assertTrue(s.get().foldRight("", String::concat).contains("c"));
}
@Test
public void testFoldLeftNoOrd() {
for (int i = 0; i < 100; i++) {
Supplier<IterableX<String>> s = () -> of("a", "b", "c");
assertTrue(s.get().foldLeft("", String::concat).contains("a"));
assertTrue(s.get().foldLeft("", String::concat).contains("b"));
assertTrue(s.get().foldLeft("", String::concat).contains("c"));
}
}
private Trampoline<Integer> sum(int times,int sum){
return times ==0 ? Trampoline.done(sum) : Trampoline.more(()->sum(times-1,sum+times));
}
@Test
public void plus(){
IterableX<Integer> vec = this.<Integer>empty().plus(1).plus(2).plus(5);
assertThat(vec,equalTo(of(1,2,5)));
}
@Test
public void plusAll(){
IterableX<Integer> vec = this.<Integer>empty().plusAll(of(1)).plusAll(of(2)).plusAll(of(5));
assertThat(vec,equalTo(of(1,2,5)));
}
@Test
public void insertAt0(){
IterableX<Integer> vec = this.<Integer>empty().insertAt(0,1).insertAt(0,2).insertAt(0,5);
assertThat(vec,equalTo(of(5,2,1)));
}
@Test
public void insertAtMultiple0(){
IterableX<Integer> vec = this.<Integer>empty().insertAt(0,Arrays.asList(1,2))
.insertAt(0,Arrays.asList(2,2)).insertAt(0,Arrays.asList(5,2));
assertThat(vec,equalTo(of(5,2,2,2,1,2)));
}
@Test
public void insertAtSize(){
IterableX<Integer> vec = this.<Integer>empty();
vec = vec.insertAt(Math.max(0,vec.size()),1);
vec = vec.insertAt(Math.max(0,vec.size()),2);
assertThat(vec,equalTo(of(1,2)));
}
@Test
public void insertAtAll0(){
IterableX<Integer> vec = this.<Integer>empty().insertAt(0,of(1))
.insertAt(0,of(2))
.insertAt(0,of(5));
assertThat(vec,equalTo(of(5,2,1)));
}
@Test
public void plusAllSize(){
IterableX<Integer> vec = this.<Integer>empty();
vec = vec.insertAt(Math.max(0,vec.size()),of(1));
System.out.println("Vec1 " + vec);
vec = vec.insertAt(Math.max(0,vec.size()),of(2));
// System.out.println("Vec " + vec.vector());
assertThat(vec,equalTo(of(1,2)));
}
@Test
public void withTest(){
assertEquals(of("x", "b", "c"), of("a", "b", "c").updateAt(0, "x"));
assertEquals(of("a", "x", "c"), of("a", "b", "c").updateAt(1, "x"));
assertEquals(of("a", "b", "x"), of("a", "b", "c").updateAt(2, "x"));
}
@Test
public void withLarge(){
System.out.println(range(0,2000).insertAt(1010,-1).containsValue(-1));
assertThat(range(0,2000).insertAt(1010,-1).containsValue(-1),equalTo(true));
}
@Test
public void containsValueTests(){
assertThat(of(0,1,20).containsValue(-1),equalTo(false));
assertThat(range(0,64).insertAt(1010,-1).containsValue(-1),equalTo(true));
assertThat(range(0,128).insertAt(1010,-1).containsValue(-1),equalTo(true));
assertThat(range(0,256).insertAt(1010,-1).containsValue(-1),equalTo(true));
assertThat(range(0,512).insertAt(1010,-1).containsValue(-1),equalTo(true));
assertThat(range(0,1024).insertAt(1010,-1).containsValue(-1),equalTo(true));
assertThat(range(0,2000).insertAt(1010,-1).containsValue(-1),equalTo(true));
assertThat(range(0,20000).insertAt(10010,-1).containsValue(-1),equalTo(true));
assertThat(range(0,2000).insertAt(1010,-10).containsValue(-1),equalTo(false));
assertThat(range(0,20000).insertAt(10010,-10).containsValue(-1),equalTo(false));
}
@Test
public void minus(){
IterableX<Integer> vec = this.<Integer>empty().insertAt(0,1).insertAt(0,2).insertAt(0,5);
assertThat(vec.removeValue(2),equalTo(of(5,1)));
}
@Test
public void plusTests(){
assertThat(of(1,2,3,4,5),equalTo(empty().plusAll(of(1,2,3,4,5))));
assertThat(empty().plus(1).plus(2).plus(3)
.plus(4).plus(5).size(),equalTo(5));
}
@Test
public void append(){
assertThat(of(1).append(2).size(),equalTo(2));
assertThat(of().append(2).size(),equalTo(1));
}
@Test
public void appendMultiple(){
assertThat(of(1).appendAll(2,3).size(),equalTo(3));
assertThat(of(1).appendAll(2,3,4).size(),equalTo(4));
assertThat(of().appendAll(2,3,4).size(),equalTo(3));
}
@Test
public void prependAppend(){
System.out.println(of(1)
.prependStream(Stream.of(2)).append(3).prepend(4).appendAll(5,6)
.prependAll(7,8)
.insertAt(4,9).deleteBetween(1,2)
.insertStreamAt(5,Stream.of(11,12)));
assertThat(of(1)
.prependStream(Stream.of(2)).append(3).prepend(4).appendAll(5,6)
.prependAll(7,8)
.insertAt(4,9).deleteBetween(1,2)
.insertStreamAt(5,Stream.of(11,12)).stream().count(),equalTo(10L));
}
@Test
public void prependAppend3(){
Assert.assertThat(of(1)
.prependStream(Stream.of(2)).toList(), equalTo(ReactiveSeq.fromIterable(asList(1))
.prependStream(Stream.of(2)).toList()));
}
public void prependStream(){
assertThat(of(1)
.prepend(2), equalTo( of(2,1)));
assertThat(of(1)
.prependAll(asList(2)), equalTo( of(2,1)) );
assertThat(of(1)
.prependStream(Stream.of(2)), equalTo( of(2,1)) );
}
@Test
public void insertAndRemove(){
IterableX<Integer> vec = this.<Integer>empty().insertAt(0,1).insertAt(0,2,5);
assertThat(vec.removeValue(2),equalTo(of(5,1)));
}
@Test
public void insertAtChain(){
assertThat(this.<Integer>empty().insertAt(0,1).insertAt(0,2),equalTo(of(2,1)));
}
@Test
public void removeAt(){
IterableX<Integer> vec = this.<Integer>empty().insertAt(0,1).insertAt(0,2).insertAt(0,5);
assertThat(vec.removeAt(1),equalTo(of(5,1)));
}
@Test
public void removeFirst(){
IterableX<Integer> vec = this.of(1,2,2,2,3);
assertThat(vec.removeFirst(i->i==2),equalTo(of(1,2,2,3)));
}
@Test
public void minusAt(){
IterableX<Integer> vec = this.<Integer>empty().insertAt(0,1).insertAt(0,2).insertAt(0,5);
assertThat(vec.removeAt(1),equalTo(of(5,1)));
}
@Test
public void minusAtOutOfRange(){
IterableX<Integer> vec = this.<Integer>empty();
vec = vec.insertAt(0,1)
.insertAt(0,2)
.insertAt(0,5);
assertThat(vec.removeAt(-1),equalTo(of(5,2,1)));
assertThat(vec.removeAt(500),equalTo(of(5,2,1)));
}
@Test
public void updateAt(){
IterableX<Integer> vec = this.<Integer>empty().insertAt(0,1).insertAt(0,2).insertAt(0,5);
assertThat(vec.updateAt(1,10),equalTo(of(5,10,1)));
}
@Test
public void updateAtEmpty(){
IterableX<Integer> vec = this.<Integer>empty();
assertThat(vec.updateAt(0,10),equalTo(of()));
}
@Test
public void updateAtOutOfRange(){
IterableX<Integer> vec = this.<Integer>empty().insertAt(0,1).insertAt(0,2).insertAt(0,5);
assertThat(vec.updateAt(-1,10),equalTo(of(5,2,1)));
}
@Test
public void updateAtOutOfRange2(){
IterableX<Integer> vec = this.<Integer>empty().insertAt(0,1).insertAt(0,2).insertAt(0,5);
assertThat(vec.updateAt(100,10),equalTo(of(5,2,1)));
}
@Test
public void updateAtLargeOutOfRange(){
assertThat(of(1,2,3).updateAt(100,-1), not(hasItem(-1)));
assertThat(of(1,2,3).updateAt(Integer.MAX_VALUE,-1), not(hasItem(-1)));
}
@Test
public void largePlusAll(){
assertThat(range(0,2000).insertAt(1010,of(-1,-2,-3)).size(),equalTo(2003));
assertThat(range(0,2000).insertAt(10010,of(-1,-2,-3)).size(),equalTo(2003));
}
@Test
public void largePlus(){
assertThat(range(0,2_000).insertAt(20000,-1).size(),equalTo(2_001));
assertThat(range(0,2_000).insertAt(60000,-1).size(),equalTo(2_001));
assertThat(range(0,2_000).insertAt(20000,-1),hasItem(-1));
}
@Test
public void compareDifferentSizes(){
assertThat(empty(),not(equalTo(of(1))));
assertThat(of(1),not(equalTo(empty())));
assertThat(of(1),not(equalTo(of(1,2,3))));
}
@Test
public void isEmpty(){
assertThat(empty().isEmpty(),equalTo(true));
assertThat(of(1).isEmpty(),equalTo(false));
}
@Test
public void appendAll(){
assertThat(of(1,2,3,4).appendAll(Arrays.asList(10,20,30)),equalTo(of(1,2,3,4,10,20,30)));
assertThat(empty().appendAll(Arrays.asList(10,20,30)),equalTo(of(10,20,30)));
}
@Test
public void prependAll(){
assertThat(of(1,2,3,4).prependAll(Arrays.asList(10,20,30)),equalTo(of(10,20,30,1,2,3,4)));
assertThat(empty().prependAll(Arrays.asList(10,20,30)),equalTo(of(10,20,30)));
}
@Test
public void batchUntilCollection(){
assertThat(of(1,2,3,4,5,6)
.groupedUntil(i->i%3==0,()->Vector.empty())
.toList().size(),equalTo(2));
assertThat(of(1,2,3,4,5,6)
.groupedUntil(i->i%3==0,()->Vector.empty())
.toList().get(0),equalTo(Vector.of(1,2,3)));
}
@Test
public void batchWhileCollection(){
assertThat(of(1,2,3,4,5,6)
.groupedWhile(i->i%3!=0,()->Vector.empty())
.toList().size(),equalTo(2));
assertThat(of(1,2,3,4,5,6)
.groupedWhile(i->i%3!=0,()->Vector.empty()),equalTo(of(Vector.of(1,2,3),Vector.of(4,5,6))));
}
@Test
public void fixedDelay2() {
fromIntStream(IntStream.range(0, 1000))
.fixedDelay(1l, TimeUnit.MICROSECONDS).peek(System.out::println)
.forEach(a->{});
}
@Test
public void onePerSecond() {
long start = System.currentTimeMillis();
iterate(4,0, it -> it + 1)
.take(3)
.onePer(1, TimeUnit.SECONDS)
.map(seconds -> "hello!")
.peek(System.out::println)
.toList();
assertTrue(System.currentTimeMillis()-start>1000);
}
@Test
public void xPerSecond() throws InterruptedException {
Thread.sleep(500);
long start = System.currentTimeMillis();
iterate(4,1, it -> it + 1)
.xPer(1,1, TimeUnit.SECONDS)
.take(3)
.map(seconds -> "hello!")
.peek(System.out::println)
.toList();
System.out.println("time = " +(System.currentTimeMillis()-start));
assertTrue("failed time was " + (System.currentTimeMillis()-start),System.currentTimeMillis()-start>1000);
}
@Test
public void batchBySize3(){
System.out.println(of(1,2,3,4,5,6).grouped(3).collect(Collectors.toList()));
assertThat(of(1,2,3,4,5,6).grouped(3).collect(Collectors.toList()).size(),is(2));
}
@Test
public void batchBySizeSet(){
System.out.println("List = " + of(1,1,1,1,1,1).grouped(3,()-> TreeSet.empty()).toList());
assertThat(of(1,1,1,1,1,1).grouped(3,()->TreeSet.empty()).toList().get(0).size(),is(1));
System.out.println(of(1,1,1,1,1,1).grouped(3,()->TreeSet.empty()).toList());
assertThat(of(1,1,1,1,1,1).grouped(3,()->TreeSet.empty()).toList().size(),is(1));
}
@Test
public void batchBySizeSetEmpty(){
assertThat(this.<Integer>of().grouped(3,()->TreeSet.empty()).toList().size(),is(0));
}
@Test
public void combine(){
assertThat(of(1,1,2,3)
.combine((a, b)->a.equals(b),Semigroups.intSum)
.toList(),equalTo(Arrays.asList(4,3)));
}
@Test
public void emptyPermutations() {
assertThat(of().permutations().map(s->s.toList()),equalTo(of()));
}
@Test
public void permuations3() {
System.out.println(of(1, 2, 3).permutations().map(s->s.toList()).toList());
assertThat(of(1, 2, 3).permutations().map(s->s.toList()).toList(),
equalTo(of(of(1, 2, 3),
of(1, 3, 2), of(2, 1, 3), of(2, 3, 1), of(3, 1, 2), of(3, 2, 1)).map(s->s.toList()).toList()));
}
@Test
public void emptyAllCombinations() {
assertThat(of().combinations().map(s->s.toList()),equalTo(of(Arrays.asList())));
}
@Test
public void allCombinations3() {
assertThat(of(1, 2, 3).combinations().map(s->s.toList()),equalTo(of(Arrays.asList(), Arrays.asList(1), Arrays.asList(2),
Arrays.asList(3), Arrays.asList(1, 2), Arrays.asList(1, 3), Arrays.asList(2, 3), Arrays.asList(1, 2, 3))));
}
@Test
public void emptyCombinations() {
assertThat(of().combinations(2).toList(),equalTo(Arrays.asList()));
}
@Test
public void combinations2() {
assertThat(of(1, 2, 3).combinations(2).map(s->s.toList()),
equalTo(of(Arrays.asList(1, 2), Arrays.asList(1, 3), Arrays.asList(2, 3))));
}
@Test @Ignore
public void testOfType() {
assertThat(of(1, "a", 2, "b", 3, null).ofType(Integer.class).toList(),containsInAnyOrder(1, 2, 3));
assertThat(of(1, "a", 2, "b", 3, null).ofType(Integer.class).toList(),not(containsInAnyOrder("a", "b",null)));
assertThat(of(1, "a", 2, "b", 3, null)
.ofType(Serializable.class).toList(),containsInAnyOrder(1, "a", 2, "b", 3));
}
@Test
public void testIntersperse() {
assertThat(of(1,2,3).intersperse(0),equalTo(of(1,0,2,0,3)));
}
@Test
public void reversedRange(){
assertThat(range(10, -10).count(),equalTo(20L));
}
@Test
public void reversedRangeWithReverse(){
assertThat(ReactiveSeq.range(10, -10).reverse().count(),equalTo(20L));
}
@Test
public void reversedRangeLong(){
System.out.println(rangeLong(10, -10));
assertThat(rangeLong(10, -10).count(),equalTo(20L));
}
@Test
public void reversedRangeInt(){
assertThat(range(10, -10).count(),equalTo(20L));
}
@Test
public void reversedRangeLongWithReverse(){
System.out.println(rangeLong(10, -10).reverse());
assertThat(rangeLong(10, -10).reverse().count(),equalTo(20L));
}
@Test
public void intStreamCompare0(){
assertThat(IntStream.range(0,10).sum(),
equalTo(ReactiveSeq.range(0,10).sumInt(i->i)));
}
@Test
public void longStreamCompare0(){
assertThat(LongStream.range(0,10).sum(),
equalTo(rangeLong(0,10).sumLong(i->i)));
}
@Test
public void intStreamCompareReversed(){
assertThat(0,
equalTo(range(-5,6).reverse().sumInt(i->i)));
}
@Test
public void longStreamCompareReversed(){
assertThat(0L,
equalTo(rangeLong(-5,6).reverse().sumLong(i->i)));
}
@Test
public void intStreamCompare(){
assertThat(IntStream.range(-1,10).sum(),
equalTo(range(-1,10).sumInt(i->i)));
}
@Test
public void longStreamCompare(){
assertThat(LongStream.range(-1l,10l).sum(),
equalTo(rangeLong(-1l,10l).sumLong(i->i)));
}
@Test
public void negative(){
assertThat(range(-1000,150)
.take(100)
.count(),equalTo(100l));
}
@Test
public void negativeLong(){
assertThat(rangeLong(-1000L,200)
.take(100)
.count(),equalTo(100L));
}
@Test
public void takeRange() throws InterruptedException{
assertThat(range(0,150)
.take(100)
.count(),equalTo(100L));
}
@Test
public void rangeLong(){
assertThat(rangeLong(0,5)
.take(2).toList(),equalTo(Arrays.asList(0l,1l)));
}
@Test
public void rangeLongReversedSkip(){
System.out.println(rangeLong(0,5).reverse()
.drop(3).vector()); //0,1,2,3,4 : 4,3,2,1,0 1,0
assertThat(rangeLong(0,5).reverse()
.drop(3).toList(),equalTo(Arrays.asList(1l,0l)));
}
@Test
public void rangeLongSkip(){
assertThat(rangeLong(0,5)
.drop(3).toList(),equalTo(Arrays.asList(3l,4l)));
}
@Test
public void rangeInt(){
System.out.println(range(0,150));
assertThat(range(0,150)
.take(2).toList(),equalTo(Arrays.asList(0,1)));
}
@Test
public void rangeIntReversed(){
assertThat(range(0,150).reverse()
.take(2).toList(),equalTo(Arrays.asList(149, 148)));
}
@Test
public void rangeIntReversedSkip2(){
assertThat(range(0,5).reverse()
.drop(3).toList(),equalTo(Arrays.asList(1,0)));
}
@Test
public void rangeIntSkip2(){
assertThat(range(0,5)
.drop(3).toList(),equalTo(Arrays.asList(3,4)));
}
@Test
public void rangeTest(){
assertThat(range(0,10).vector(),hasItems(0,1,2,3,4,5,6,7,8,9));
assertThat(range(0,10).reverse().vector(),hasItems(0,1,2,3,4,5,6,7,8,9));
assertThat(range(0,10).reverse().vector(),not(hasItem(10)));
}
@Test
public void take2Reversed(){
System.out.println(Spouts.range(0,10).vector());
System.out.println(ReactiveSeq.range(0,10).vector());
System.out.println(range(0,10).reverse().vector());
System.out.println("RS" + ReactiveSeq.range(0,10).reverse().vector());
assertThat(range(0,10).reverse().take(2).toList(),equalTo(Arrays.asList(9,8)));
}
@Test
public void take2ReversedLong(){
System.out.println(Spouts.rangeLong(0,10).vector());
System.out.println(ReactiveSeq.range(0,10).vector());
System.out.println(range(0,10).reverse().vector());
System.out.println(ReactiveSeq.range(0,10).reverse().vector());
System.out.println(ReactiveSeq.rangeLong(0,10).reverse().vector());
assertThat(rangeLong(0,10).reverse().take(2).toList(),equalTo(Arrays.asList(9l,8l)));
}
@Test
public void drop2Reversed(){
System.out.println(Spouts.range(0,10).vector());
System.out.println(ReactiveSeq.range(0,10).vector());
System.out.println(range(0,10).reverse().vector());
System.out.println("RS" + ReactiveSeq.range(0,10).reverse().vector());
assertThat(range(0,10).reverse().drop(2).toList(),equalTo(Arrays.asList(7,6,5,4,3,2,1,0)));
}
@Test
public void drop2ReversedLong(){
System.out.println(Spouts.rangeLong(0,10).vector());
System.out.println(ReactiveSeq.range(0,10).vector());
System.out.println(range(0,10).reverse().vector());
System.out.println(ReactiveSeq.range(0,10).reverse().vector());
assertThat(rangeLong(0,10).reverse().drop(2).toList(),equalTo(Arrays.asList(7l,6l,5l,4l,3l,2l,1l,0l)));
}
@Test
public void rangeIntReversedSkip(){
assertThat(range(0,20).reverse()
.take(10).drop(8).toList(),equalTo(Arrays.asList(11, 10)));
}
@Test
public void rangeIntSkip(){
assertThat(range(0,20)
.take(10).drop(8).toList(),equalTo(Arrays.asList(8, 9)));
}
@Test
public void takeArray() throws InterruptedException{
List<Integer> list= new ArrayList<>();
for(int i=0;i<1000;i++)
list.add(i);
assertThat(of(list.toArray())
.take(100)
.count(),equalTo(100L));
}
@Test
public void dropArray() throws InterruptedException{
List<Integer> list= new ArrayList<>();
for(int i=0;i<1000;i++)
list.add(i);
assertThat(of(list.toArray())
.drop(100)
.count(),equalTo(900L));
}
@Test
public void dropRange() throws InterruptedException{
assertThat(range(0,1000)
.drop(100)
.count(),equalTo(900L));
}
@Test
public void dropRangeLong() throws InterruptedException{
assertThat(rangeLong(0,1000)
.drop(100)
.count(),equalTo(900L));
}
@Test
public void dropRangeReversed() throws InterruptedException{
assertThat(range(0,1000)
.drop(100).reverse()
.count(),equalTo(900L));
}
@Test
public void reduceWithMonoid(){
assertThat(of("hello","2","world","4").foldMap(Reducers.toCountInt()),equalTo(4));
}
@Test
public void reduceWithMonoid2(){
assertThat(of("replaceWith","two","three","four").foldMap(this::toInt,Reducers.toTotalInt()),
equalTo(10));
}
int toInt(String s){
if("replaceWith".equals(s))
return 1;
if("two".equals(s))
return 2;
if("three".equals(s))
return 3;
if("four".equals(s))
return 4;
return -1;
}
@Test
public void reduceWithMonoidJoin(){
assertThat(of("hello","2","world","4").join(","),equalTo("hello,2,world,4"));
assertThat(of("hello","2","world","4").foldLeft(Reducers.toString(",")),
equalTo(",hello,2,world,4"));
}
@Test
public void testMapToInt(){
assertThat(of("1","2","3","4").stream().mapToInt(it -> Integer.valueOf(it)).max().getAsInt(),equalTo(4));
}
@Test
public void mapToLong() {
assertThat(of("1","2","3","4").stream().mapToLong(it -> Long.valueOf(it)).max().getAsLong(),equalTo(4l));
}
@Test
public void mapToDouble() {
assertThat(of("1","2","3","4").stream().mapToDouble(it -> Double.valueOf(it)).max().getAsDouble(),equalTo(4d));
}
@Test
public void forEachOrderedx() {
List<Integer> list = new ArrayList<>();
of(1,5,3,4,2).forEach(it-> list.add(it));
assertThat(list,hasItem(1));
assertThat(list,hasItem(2));
assertThat(list,hasItem(3));
assertThat(list,hasItem(4));
assertThat(list,hasItem(5));
}
@Test
public void testToArray() {
assertThat( Arrays.asList(1,2,3,4,5),hasItem(ReactiveSeq.of(1,5,3,4,2).toArray()[0]));
}
@Test
public void testToArrayGenerator() {
assertThat( Arrays.asList(1,2,3,4,5),hasItem(ReactiveSeq.of(1,5,3,4,2).toArray(it->new Integer[it])[0]));
}
@Test
public void collectSBB(){
List<Integer> list = ReactiveSeq.of(1,2,3,4,5).collect(ArrayList::new, ArrayList::add, ArrayList::addAll);
assertThat(list.size(),equalTo(5));
}
@Test
public void removeValue(){
assertThat(of(1,2,3).removeValue(0),equalTo(of(1,2,3)));
assertThat(of(1,2,3).removeValue(4),equalTo(of(1,2,3)));
}
}
