| /* |
| * 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 org.testng.annotations.Test; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import java.util.function.Function; |
| import java.util.stream.*; |
| |
| import static java.util.stream.LambdaTestHelpers.countTo; |
| |
| /** |
| * ForEachOpTest |
| */ |
| @Test |
| public class ForEachOpTest extends OpTestCase { |
| |
| @Test(groups = { "serialization-hostile" }) |
| public void testForEach() { |
| exerciseTerminalOps(countTo(10), |
| s -> { |
| AtomicInteger count = new AtomicInteger(0); |
| s.forEach(e -> count.incrementAndGet()); |
| return count.get(); |
| }, |
| 10); |
| |
| exerciseTerminalOps(countTo(10), |
| s -> { |
| AtomicInteger sum = new AtomicInteger(0); |
| s.forEach(sum::addAndGet); |
| return sum.get(); |
| }, |
| 55); |
| } |
| |
| private <U> ResultAsserter<List<U>> resultAsserter() { |
| return (act, exp, ord, par) -> { |
| if (par) { |
| LambdaTestHelpers.assertContentsUnordered(act, exp); |
| } |
| else { |
| LambdaTestHelpers.assertContents(act, exp); |
| } |
| }; |
| } |
| |
| @Test(groups = { "serialization-hostile" }) |
| public void testForEachOrdered() { |
| List<Integer> input = countTo(10000); |
| TestData.OfRef<Integer> data = TestData.Factory.ofCollection("[1, 10000]", input); |
| |
| Function<Stream<Integer>, List<Integer>> terminalFunc = s -> { |
| List<Integer> l = new ArrayList<>(); |
| s.forEachOrdered(l::add); |
| return l; |
| }; |
| |
| // Test head |
| withData(data). |
| terminal(terminalFunc). |
| expectedResult(input). |
| exercise(); |
| |
| // Test multiple stages |
| withData(data). |
| terminal(s -> s.map(LambdaTestHelpers.identity()), terminalFunc). |
| expectedResult(input). |
| exercise(); |
| } |
| |
| @Test(dataProvider = "StreamTestData<Integer>", dataProviderClass = StreamTestDataProvider.class) |
| public void testForEach(String name, TestData.OfRef<Integer> data) { |
| Function<Stream<Integer>, List<Integer>> terminalFunc = s -> { |
| List<Integer> l = Collections.synchronizedList(new ArrayList<>()); |
| s.forEach(l::add); |
| return l; |
| }; |
| |
| // Test head |
| withData(data). |
| terminal(terminalFunc). |
| resultAsserter(resultAsserter()). |
| exercise(); |
| |
| // Test multiple stages |
| withData(data). |
| terminal(s -> s.map(LambdaTestHelpers.identity()), terminalFunc). |
| resultAsserter(resultAsserter()). |
| exercise(); |
| } |
| |
| // |
| |
| @Test(groups = { "serialization-hostile" }) |
| public void testIntForEachOrdered() { |
| List<Integer> input = countTo(10000); |
| TestData.OfInt data = TestData.Factory.ofIntSupplier("[1, 10000]", |
| () -> IntStream.range(1, 10001)); |
| |
| Function<IntStream, List<Integer>> terminalFunc = s -> { |
| List<Integer> l = new ArrayList<>(); |
| s.forEachOrdered(l::add); |
| return l; |
| }; |
| |
| // Test head |
| withData(data). |
| terminal(terminalFunc). |
| expectedResult(input). |
| exercise(); |
| |
| // Test multiple stages |
| withData(data). |
| terminal(s -> s.map(i -> i), terminalFunc). |
| expectedResult(input). |
| exercise(); |
| } |
| |
| @Test(dataProvider = "IntStreamTestData", dataProviderClass = IntStreamTestDataProvider.class) |
| public void testIntForEach(String name, TestData.OfInt data) { |
| Function<IntStream, List<Integer>> terminalFunc = s -> { |
| List<Integer> l = Collections.synchronizedList(new ArrayList<Integer>()); |
| s.forEach(l::add); |
| return l; |
| }; |
| |
| // Test head |
| withData(data). |
| terminal(terminalFunc). |
| resultAsserter(resultAsserter()). |
| exercise(); |
| |
| // Test multiple stages |
| withData(data). |
| terminal(s -> s.map(i -> i), terminalFunc). |
| resultAsserter(resultAsserter()). |
| exercise(); |
| } |
| |
| // |
| |
| @Test(groups = { "serialization-hostile" }) |
| public void testLongForEachOrdered() { |
| List<Integer> input = countTo(10000); |
| TestData.OfLong data = TestData.Factory.ofLongSupplier("[1, 10000]", |
| () -> LongStream.range(1, 10001)); |
| |
| Function<LongStream, List<Integer>> terminalFunc = s -> { |
| List<Integer> l = new ArrayList<>(); |
| s.forEachOrdered(e -> l.add((int) e)); |
| return l; |
| }; |
| |
| // Test head |
| withData(data). |
| terminal(terminalFunc). |
| expectedResult(input). |
| exercise(); |
| |
| // Test multiple stages |
| withData(data). |
| terminal(s -> s.map(i -> i), terminalFunc). |
| expectedResult(input). |
| exercise(); |
| } |
| |
| @Test(dataProvider = "LongStreamTestData", dataProviderClass = LongStreamTestDataProvider.class) |
| public void testLongOps(String name, TestData.OfLong data) { |
| Function<LongStream, List<Long>> terminalFunc = s -> { |
| List<Long> l = Collections.synchronizedList(new ArrayList<Long>()); |
| s.forEach(l::add); |
| return l; |
| }; |
| |
| // Test head |
| withData(data). |
| terminal(terminalFunc). |
| resultAsserter(resultAsserter()). |
| exercise(); |
| |
| // Test multiple stages |
| withData(data). |
| terminal(s -> s.map(i -> i), terminalFunc). |
| resultAsserter(resultAsserter()). |
| exercise(); |
| } |
| |
| // |
| |
| @Test(groups = { "serialization-hostile" }) |
| public void testDoubleForEachOrdered() { |
| List<Integer> input = countTo(10000); |
| TestData.OfDouble data = TestData.Factory.ofDoubleSupplier("[1, 10000]", |
| () -> IntStream.range(1, 10001).asDoubleStream()); |
| |
| Function<DoubleStream, List<Integer>> terminalFunc = s -> { |
| List<Integer> l = new ArrayList<>(); |
| s.forEachOrdered(e -> l.add((int) e)); |
| return l; |
| }; |
| |
| // Test head |
| withData(data). |
| terminal(terminalFunc). |
| expectedResult(input). |
| exercise(); |
| |
| // Test multiple stages |
| withData(data). |
| terminal(s -> s.map(i -> i), terminalFunc). |
| expectedResult(input). |
| exercise(); |
| } |
| |
| @Test(dataProvider = "DoubleStreamTestData", dataProviderClass = DoubleStreamTestDataProvider.class) |
| public void testDoubleOps(String name, TestData.OfDouble data) { |
| Function<DoubleStream, List<Double>> terminalFunc = s -> { |
| List<Double> l = Collections.synchronizedList(new ArrayList<Double>()); |
| s.forEach(l::add); |
| return l; |
| }; |
| |
| // Test head |
| withData(data). |
| terminal(terminalFunc). |
| resultAsserter(resultAsserter()). |
| exercise(); |
| |
| // Test multiple stages |
| withData(data). |
| terminal(s -> s.map(i -> i), terminalFunc). |
| resultAsserter(resultAsserter()). |
| exercise(); |
| } |
| |
| } |