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.
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   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
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  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
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  17  * You should have received a copy of the GNU General Public License version
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  25 package org.openjdk.tests.java.util.stream;
  26 
  27 import java.util.stream.*;
  28 
  29 import org.testng.annotations.Test;
  30 
  31 public class PrimitiveSumTest extends OpTestCase {
  32 
  33     @Test(dataProvider = "IntStreamTestData", dataProviderClass = IntStreamTestDataProvider.class)
  34     public void testOps(String name, TestData.OfInt data) {
  35         exerciseTerminalOps(data, s -> s.sum());
  36 
  37         withData(data).
  38                 terminal(s -> (long) s.sum()).
  39                 expectedResult(data.stream().longs().reduce(0, LambdaTestHelpers.lrPlus)).
  40                 exercise();
  41     }
  42 
  43     @Test(dataProvider = "LongStreamTestData", dataProviderClass = LongStreamTestDataProvider.class)
  44     public void testOps(String name, TestData.OfLong data) {
  45         exerciseTerminalOps(data, s -> s.sum());
  46 
  47         withData(data).
  48                 terminal(s -> s.sum()).
  49                 expectedResult(data.stream().reduce(0, LambdaTestHelpers.lrPlus)).
  50                 exercise();
  51     }
  52 
  53     // @@@ For Double depending on the input data the average algorithm may produce slightly
  54     //     different results for the sequential and parallel evaluation.results are within
  55     //     While the following works at the moment, it could change when double data, not cast from long
  56     //     values is introduced, or if the sum algorithm is modified.
  57     @Test(dataProvider = "DoubleStreamTestData", dataProviderClass = DoubleStreamTestDataProvider.class)
  58     public void testOps(String name, TestData.OfDouble data) {
  59         exerciseTerminalOps(data, s -> s.sum());
  60 
  61         withData(data).
  62                 terminal(s -> s.sum()).
  63                 expectedResult(data.stream().reduce(0, LambdaTestHelpers.drPlus)).
  64                 exercise();
  65     }
  66 }
  67