| /* |
| * Copyright 2016 Google Inc. |
| * |
| * 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 com.google.gwt.emultest.java8.util.stream; |
| |
| import static java.util.stream.StreamSupport.doubleStream; |
| import static java.util.stream.StreamSupport.intStream; |
| import static java.util.stream.StreamSupport.longStream; |
| import static java.util.stream.StreamSupport.stream; |
| |
| import com.google.gwt.emultest.java.util.EmulTestBase; |
| |
| import java.util.Spliterators; |
| import java.util.stream.DoubleStream; |
| import java.util.stream.IntStream; |
| import java.util.stream.LongStream; |
| import java.util.stream.Stream; |
| |
| /** |
| * Tests {@link java.util.stream.StreamSupport}. |
| */ |
| public class StreamSupportTest extends EmulTestBase { |
| |
| public void testDoubleStream() { |
| DoubleStream doubles = |
| doubleStream(Spliterators.spliterator(new double[] {1d, 2d, 3d, 4d}, 0), false); |
| |
| assertNotNull(doubles); |
| assertEquals(new double[] {1d, 2d, 3d}, doubles.limit(3).toArray()); |
| |
| doubles = |
| doubleStream(() -> Spliterators.spliterator(new double[] {1d, 2d, 3d, 4d}, 0), 0, false); |
| |
| assertNotNull(doubles); |
| assertEquals(new double[] {2d, 3d}, doubles.skip(1).limit(2).toArray()); |
| } |
| |
| public void testIntStream() { |
| IntStream ints = intStream(Spliterators.spliterator(new int[] {1, 2, 3, 4}, 0), false); |
| |
| assertNotNull(ints); |
| assertEquals(new int[] {1, 2, 3}, ints.limit(3).toArray()); |
| |
| ints = intStream(() -> Spliterators.spliterator(new int[] {1, 2, 3, 4}, 0), 0, false); |
| |
| assertNotNull(ints); |
| assertEquals(new int[] {2, 3}, ints.skip(1).limit(2).toArray()); |
| } |
| |
| public void testLongStream() { |
| LongStream longs = longStream(Spliterators.spliterator(new long[] {1L, 2L, 3L, 4L}, 0), false); |
| |
| assertNotNull(longs); |
| assertEquals(new long[] {1L, 2L, 3L}, longs.limit(3).toArray()); |
| |
| longs = longStream(() -> Spliterators.spliterator(new long[] {1L, 2L, 3L, 4L}, 0), 0, false); |
| |
| assertNotNull(longs); |
| assertEquals(new long[] {2L, 3L}, longs.skip(1).limit(2).toArray()); |
| } |
| |
| public void testStream() { |
| Stream<String> strings = |
| stream(Spliterators.spliterator(new String[] {"a", "b", "c", "d"}, 0), false); |
| |
| assertNotNull(strings); |
| assertEquals(new String[] {"a", "b", "c"}, strings.limit(3).toArray()); |
| |
| strings = |
| stream(() -> Spliterators.spliterator(new String[] {"a", "b", "c", "d"}, 0), 0, false); |
| |
| assertNotNull(strings); |
| assertEquals(new String[] {"b", "c"}, strings.skip(1).limit(2).toArray()); |
| } |
| } |