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Java example source code file (TeeOpTest.java)
The TeeOpTest.java Java example source code/* * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package org.openjdk.tests.java.util.stream; import java.util.function.Consumer; import java.util.function.DoubleConsumer; import java.util.function.IntConsumer; import java.util.function.LongConsumer; import java.util.stream.*; import org.testng.annotations.Test; import java.util.ArrayList; import java.util.Collections; import java.util.List; import static java.util.stream.LambdaTestHelpers.*; /** * TeeOpTest */ @Test(groups = { "serialization-hostile" }) public class TeeOpTest extends OpTestCase { public void testTee() { List<Integer> copy = new ArrayList<>(); assertCountSum(countTo(0).stream().peek(copy::add), 0, 0); assertCountSum(copy.iterator(), 0, 0); copy.clear(); assertCountSum(countTo(10).stream().peek(copy::add), 10, 55); assertCountSum(copy.iterator(), 10, 55); copy.clear(); assertCountSum(countTo(10).stream().map(mDoubler).peek(copy::add), 10, 110); assertCountSum(copy.iterator(), 10, 110); } static class AbstractRecordingConsumer<T> { List<T> list; void before(TestData<T, ?> td) { // Tee block can be called concurrently list = Collections.synchronizedList(new ArrayList<>()); } void after(TestData<T, ?> td) { // No guarantees in parallel tests that calls to tee block will // be in the encounter order, if defined, of the data // @@@ Consider passing more meta-data about evaluation assertContentsUnordered(list, td.into(new ArrayList<T>())); } } @Test(dataProvider = "StreamTestData<Integer>", dataProviderClass = StreamTestDataProvider.class) public void testOps(String name, final TestData.OfRef<Integer> data) { class RecordingConsumer extends AbstractRecordingConsumer<Integer> implements Consumer Other Java examples (source code examples)Here is a short list of links related to this Java TeeOpTest.java source code file: |
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