1/*
2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 */
23package org.openjdk.tests.java.util.stream;
24
25import org.openjdk.testlib.java.util.stream.DoubleStreamTestDataProvider;
26import org.openjdk.testlib.java.util.stream.IntStreamTestDataProvider;
27import org.openjdk.testlib.java.util.stream.LambdaTestHelpers;
28import org.openjdk.testlib.java.util.stream.LongStreamTestDataProvider;
29import org.openjdk.testlib.java.util.stream.OpTestCase;
30import org.openjdk.testlib.java.util.stream.StreamTestDataProvider;
31import org.openjdk.testlib.java.util.stream.TestData;
32
33import java.util.stream.BaseStream;
34import java.util.stream.Stream;
35import java.util.stream.IntStream;
36import java.util.stream.LongStream;
37import java.util.stream.DoubleStream;
38
39import org.testng.annotations.Test;
40
41public class PrimitiveSumTest extends OpTestCase {
42
43    @Test(dataProvider = "IntStreamTestData", dataProviderClass = IntStreamTestDataProvider.class)
44    public void testOps(String name, TestData.OfInt data) {
45        exerciseTerminalOps(data, s -> s.sum());
46
47        withData(data).
48                terminal(s -> (long) s.sum()).
49                expectedResult(data.stream().asLongStream().reduce(0, LambdaTestHelpers.lrPlus)).
50                exercise();
51    }
52
53    @Test(dataProvider = "LongStreamTestData", dataProviderClass = LongStreamTestDataProvider.class)
54    public void testOps(String name, TestData.OfLong data) {
55        exerciseTerminalOps(data, s -> s.sum());
56
57        withData(data).
58                terminal(s -> s.sum()).
59                expectedResult(data.stream().reduce(0, LambdaTestHelpers.lrPlus)).
60                exercise();
61    }
62
63    // @@@ For Double depending on the input data the average algorithm may produce slightly
64    //     different results for the sequential and parallel evaluation.results are within
65    //     While the following works at the moment, it could change when double data, not cast from long
66    //     values is introduced, or if the sum algorithm is modified.
67    @Test(dataProvider = "DoubleStreamTestData", dataProviderClass = DoubleStreamTestDataProvider.class)
68    public void testOps(String name, TestData.OfDouble data) {
69        exerciseTerminalOps(data, s -> s.sum());
70
71        withData(data).
72                terminal(s -> s.sum()).
73                expectedResult(data.stream().reduce(0, LambdaTestHelpers.drPlus)).
74                exercise();
75    }
76}
77
78