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Implemented Next Operation #152

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Original file line number Diff line number Diff line change
Expand Up @@ -223,6 +223,29 @@ def class ObservableTests {
verify(a, times(1)).received(3);
}

@Test
public void testSingle1() {
def s = Observable.toObservable("one").single({ x -> x.length() == 3})
assertEquals("one", s)
}

@Test(expected = IllegalStateException.class)
public void testSingle2() {
Observable.toObservable("one", "two").single({ x -> x.length() == 3})
}

@Test
public void testLastOrDefault() {
def val = Observable.toObservable("one", "two").lastOrDefault("default", { x -> x.length() == 3})
assertEquals("two", val)
}

@Test(expected = IllegalStateException.class)
public void testLastOrDefault2() {
Observable.toObservable("one", "two").lastOrDefault("default", { x -> x.length() > 3})
}


@Test
public void testForEachWithError() {
try {
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