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/*
* Copyright 2011-2016 David Karnok
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ix;
import java.util.Iterator;
import org.junit.*;
public class PublishTest {
@Test
public void normal() {
final int[] counter = { 0 };
Ix<Integer> source = Ix.range(1, 5)
.doOnNext(new IxConsumer<Integer>() {
@Override
public void accept(Integer v) {
counter[0]++;
}
})
.publish();
Iterator<Integer> it1 = source.iterator();
Iterator<Integer> it2 = source.iterator();
Assert.assertEquals(1, it1.next().intValue());
Assert.assertEquals(2, it2.next().intValue());
Assert.assertEquals(3, it1.next().intValue());
Assert.assertEquals(4, it2.next().intValue());
Assert.assertEquals(5, it1.next().intValue());
Assert.assertFalse(it1.hasNext());
Assert.assertFalse(it2.hasNext());
Iterator<Integer> it3 = source.iterator();
Assert.assertFalse(it3.hasNext());
Assert.assertEquals(5, counter[0]);
}
@Test
public void selector() {
Ix<Integer> source = Ix.range(1, 5).publish(new IxFunction<Ix<Integer>, Iterable<Integer>>() {
@Override
public Iterable<Integer> apply(Ix<Integer> o) {
return Ix.zip(o, o.skip(1), new IxFunction2<Integer, Integer, Integer>() {
@Override
public Integer apply(Integer t1, Integer t2) {
return t1 + t2;
}
});
}
})
;
source.println();
IxTestHelper.assertValues(source, 4, 9);
}
@Test
public void selector2() {
Ix<Integer> source = Ix.range(1, 5).publish(new IxFunction<Ix<Integer>, Iterable<Integer>>() {
@Override
public Iterable<Integer> apply(Ix<Integer> o) {
return Ix.zip(o, o, new IxFunction2<Integer, Integer, Integer>() {
@Override
public Integer apply(Integer t1, Integer t2) {
return t1 + t2;
}
});
}
})
;
IxTestHelper.assertValues(source, 3, 7);
}
}