Esempio n. 1
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  @Test
  public void testZipAsync() {
    int NUM = (int) (RxRingBuffer.SIZE * 2.1);
    AtomicInteger c1 = new AtomicInteger();
    AtomicInteger c2 = new AtomicInteger();
    TestSubscriber<Integer> ts = new TestSubscriber<Integer>();
    Observable<Integer> zipped =
        Observable.zip(
            incrementingIntegers(c1).subscribeOn(Schedulers.computation()),
            incrementingIntegers(c2).subscribeOn(Schedulers.computation()),
            new Func2<Integer, Integer, Integer>() {

              @Override
              public Integer call(Integer t1, Integer t2) {
                return t1 + t2;
              }
            });

    zipped.take(NUM).subscribe(ts);
    ts.awaitTerminalEvent();
    ts.assertNoErrors();
    System.out.println(
        "testZipAsync => Received: "
            + ts.getOnNextEvents().size()
            + "  Emitted: "
            + c1.get()
            + " / "
            + c2.get());
    assertEquals(NUM, ts.getOnNextEvents().size());
    assertTrue(c1.get() < RxRingBuffer.SIZE * 3);
    assertTrue(c2.get() < RxRingBuffer.SIZE * 3);
  }
Esempio n. 2
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  @Test
  public void testZipAsync() {
    int NUM = (int) (Observable.bufferSize() * 2.1);
    AtomicInteger c1 = new AtomicInteger();
    AtomicInteger c2 = new AtomicInteger();
    TestSubscriber<Integer> ts = new TestSubscriber<>();
    Observable<Integer> zipped =
        Observable.zip(
            incrementingIntegers(c1).subscribeOn(Schedulers.computation()),
            incrementingIntegers(c2).subscribeOn(Schedulers.computation()),
            (t1, t2) -> t1 + t2);

    zipped.take(NUM).subscribe(ts);
    ts.awaitTerminalEvent();
    ts.assertNoErrors();
    System.out.println(
        "testZipAsync => Received: "
            + ts.valueCount()
            + "  Emitted: "
            + c1.get()
            + " / "
            + c2.get());
    assertEquals(NUM, ts.valueCount());
    int max = Observable.bufferSize() * 5;
    assertTrue("" + c1.get() + " >= " + max, c1.get() < max);
    assertTrue("" + c2.get() + " >= " + max, c2.get() < max);
  }
Esempio n. 3
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  /**
   * Occasionally zip may be invoked with 0 observables. Test that we don't block indefinitely
   * instead of immediately invoking zip with 0 argument.
   *
   * <p>We now expect an NoSuchElementException since last() requires at least one value and nothing
   * will be emitted.
   */
  @Test(expected = NoSuchElementException.class)
  public void nonBlockingObservable() {

    final Object invoked = new Object();

    Collection<Observable<Object>> observables = Collections.emptyList();

    Observable<Object> result =
        Observable.zip(
            observables,
            args -> {
              System.out.println("received: " + args);
              assertEquals("No argument should have been passed", 0, args.length);
              return invoked;
            });

    assertSame(invoked, result.toBlocking().last());
  }
Esempio n. 4
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  /** This won't compile if super/extends isn't done correctly on generics */
  @Test
  public void testCovarianceOfZip() {
    Observable<HorrorMovie> horrors = Observable.just(new HorrorMovie());
    Observable<CoolRating> ratings = Observable.just(new CoolRating());

    Observable.<Movie, CoolRating, Result>zip(horrors, ratings, combine)
        .toBlocking()
        .forEach(action);
    Observable.<Movie, CoolRating, Result>zip(horrors, ratings, combine)
        .toBlocking()
        .forEach(action);
    Observable.<Media, Rating, ExtendedResult>zip(horrors, ratings, combine)
        .toBlocking()
        .forEach(extendedAction);
    Observable.<Media, Rating, Result>zip(horrors, ratings, combine).toBlocking().forEach(action);
    Observable.<Media, Rating, ExtendedResult>zip(horrors, ratings, combine)
        .toBlocking()
        .forEach(action);

    Observable.<Movie, CoolRating, Result>zip(horrors, ratings, combine);
  }