/** * Copyright (c) 2016-present, RxJava Contributors. * * 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 io.reactivex.internal.operators.flowable; import static org.junit.Assert.assertEquals; import java.util.*; import org.junit.Test; import io.reactivex.Flowable; import io.reactivex.exceptions.TestException; import io.reactivex.functions.*; public class FlowableForEachTest { @Test public void forEachWile() { final List<Object> list = new ArrayList<Object>(); Flowable.range(1, 5) .doOnNext(new Consumer<Integer>() { @Override public void accept(Integer v) throws Exception { list.add(v); } }) .forEachWhile(new Predicate<Integer>() { @Override public boolean test(Integer v) throws Exception { return v < 3; } }); assertEquals(Arrays.asList(1, 2, 3), list); } @Test public void forEachWileWithError() { final List<Object> list = new ArrayList<Object>(); Flowable.range(1, 5).concatWith(Flowable.<Integer>error(new TestException())) .doOnNext(new Consumer<Integer>() { @Override public void accept(Integer v) throws Exception { list.add(v); } }) .forEachWhile(new Predicate<Integer>() { @Override public boolean test(Integer v) throws Exception { return true; } }, new Consumer<Throwable>() { @Override public void accept(Throwable e) throws Exception { list.add(100); } }); assertEquals(Arrays.asList(1, 2, 3, 4, 5, 100), list); } }