/** * 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.maybe; import static org.junit.Assert.*; import java.io.IOException; import org.junit.Test; import io.reactivex.*; import io.reactivex.disposables.*; import io.reactivex.exceptions.TestException; public class MaybeCreateTest { @Test public void callbackThrows() { Maybe.create(new MaybeOnSubscribe<Object>() { @Override public void subscribe(MaybeEmitter<Object> e) throws Exception { throw new TestException(); } }) .test() .assertFailure(TestException.class); } @Test public void onSuccessNull() { Maybe.create(new MaybeOnSubscribe<Object>() { @Override public void subscribe(MaybeEmitter<Object> e) throws Exception { e.onSuccess(null); } }) .test() .assertFailure(NullPointerException.class); } @Test public void onErrorNull() { Maybe.create(new MaybeOnSubscribe<Object>() { @Override public void subscribe(MaybeEmitter<Object> e) throws Exception { e.onError(null); } }) .test() .assertFailure(NullPointerException.class); } @Test public void dispose() { TestHelper.checkDisposed(Maybe.create(new MaybeOnSubscribe<Object>() { @Override public void subscribe(MaybeEmitter<Object> e) throws Exception { e.onSuccess(1); } })); } @Test public void onSuccessThrows() { Maybe.create(new MaybeOnSubscribe<Object>() { @Override public void subscribe(MaybeEmitter<Object> e) throws Exception { Disposable d = Disposables.empty(); e.setDisposable(d); try { e.onSuccess(1); fail("Should have thrown"); } catch (TestException ex) { // expected } assertTrue(d.isDisposed()); assertTrue(e.isDisposed()); } }).subscribe(new MaybeObserver<Object>() { @Override public void onSubscribe(Disposable d) { } @Override public void onSuccess(Object value) { throw new TestException(); } @Override public void onError(Throwable e) { } @Override public void onComplete() { } }); } @Test public void onErrorThrows() { Maybe.create(new MaybeOnSubscribe<Object>() { @Override public void subscribe(MaybeEmitter<Object> e) throws Exception { Disposable d = Disposables.empty(); e.setDisposable(d); try { e.onError(new IOException()); fail("Should have thrown"); } catch (TestException ex) { // expected } assertTrue(d.isDisposed()); assertTrue(e.isDisposed()); } }).subscribe(new MaybeObserver<Object>() { @Override public void onSubscribe(Disposable d) { } @Override public void onSuccess(Object value) { } @Override public void onError(Throwable e) { throw new TestException(); } @Override public void onComplete() { } }); } @Test public void onCompleteThrows() { Maybe.create(new MaybeOnSubscribe<Object>() { @Override public void subscribe(MaybeEmitter<Object> e) throws Exception { Disposable d = Disposables.empty(); e.setDisposable(d); try { e.onComplete(); fail("Should have thrown"); } catch (TestException ex) { // expected } assertTrue(d.isDisposed()); assertTrue(e.isDisposed()); } }).subscribe(new MaybeObserver<Object>() { @Override public void onSubscribe(Disposable d) { } @Override public void onSuccess(Object value) { } @Override public void onError(Throwable e) { } @Override public void onComplete() { throw new TestException(); } }); } @Test public void onSuccessThrows2() { Maybe.create(new MaybeOnSubscribe<Object>() { @Override public void subscribe(MaybeEmitter<Object> e) throws Exception { try { e.onSuccess(1); fail("Should have thrown"); } catch (TestException ex) { // expected } assertTrue(e.isDisposed()); } }).subscribe(new MaybeObserver<Object>() { @Override public void onSubscribe(Disposable d) { } @Override public void onSuccess(Object value) { throw new TestException(); } @Override public void onError(Throwable e) { } @Override public void onComplete() { } }); } @Test public void onErrorThrows2() { Maybe.create(new MaybeOnSubscribe<Object>() { @Override public void subscribe(MaybeEmitter<Object> e) throws Exception { try { e.onError(new IOException()); fail("Should have thrown"); } catch (TestException ex) { // expected } assertTrue(e.isDisposed()); } }).subscribe(new MaybeObserver<Object>() { @Override public void onSubscribe(Disposable d) { } @Override public void onSuccess(Object value) { } @Override public void onError(Throwable e) { throw new TestException(); } @Override public void onComplete() { } }); } @Test public void onCompleteThrows2() { Maybe.create(new MaybeOnSubscribe<Object>() { @Override public void subscribe(MaybeEmitter<Object> e) throws Exception { try { e.onComplete(); fail("Should have thrown"); } catch (TestException ex) { // expected } assertTrue(e.isDisposed()); } }).subscribe(new MaybeObserver<Object>() { @Override public void onSubscribe(Disposable d) { } @Override public void onSuccess(Object value) { } @Override public void onError(Throwable e) { } @Override public void onComplete() { throw new TestException(); } }); } }