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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package org.openjdk.tests.java.util.stream;

import java.util.stream.*;

import org.testng.annotations.Test;

public class PrimitiveSumTest extends OpTestCase {

    @Test(dataProvider = "IntStreamTestData", dataProviderClass = IntStreamTestDataProvider.class)
    public void testOps(String name, TestData.OfInt data) {
        exerciseTerminalOps(data, s -> s.sum());

        withData(data).
                terminal(s -> (long) s.sum()).
                expectedResult(data.stream().asLongStream().reduce(0, LambdaTestHelpers.lrPlus)).
                exercise();
    }

    @Test(dataProvider = "LongStreamTestData", dataProviderClass = LongStreamTestDataProvider.class)
    public void testOps(String name, TestData.OfLong data) {
        exerciseTerminalOps(data, s -> s.sum());

        withData(data).
                terminal(s -> s.sum()).
                expectedResult(data.stream().reduce(0, LambdaTestHelpers.lrPlus)).
                exercise();
    }

    // @@@ For Double depending on the input data the average algorithm may produce slightly
    //     different results for the sequential and parallel evaluation.results are within
    //     While the following works at the moment, it could change when double data, not cast from long
    //     values is introduced, or if the sum algorithm is modified.
    @Test(dataProvider = "DoubleStreamTestData", dataProviderClass = DoubleStreamTestDataProvider.class)
    public void testOps(String name, TestData.OfDouble data) {
        exerciseTerminalOps(data, s -> s.sum());

        withData(data).
                terminal(s -> s.sum()).
                expectedResult(data.stream().reduce(0, LambdaTestHelpers.drPlus)).
                exercise();
    }
}