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 *  *  information regarding copyright ownership.
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package org.deeplearning4j.util;

import org.deeplearning4j.BaseDL4JTest;
import org.deeplearning4j.core.util.MovingWindowMatrix;
import org.junit.jupiter.api.Test;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.factory.Nd4j;

import java.util.List;

import static org.junit.jupiter.api.Assertions.assertEquals;

public class MovingWindowMatrixTest extends BaseDL4JTest {

    @Test
    public void testMovingWindow() {
        INDArray ones = Nd4j.ones(4, 4);
        MovingWindowMatrix m = new MovingWindowMatrix(ones, 2, 2);
        List<INDArray> windows = m.windows();
        assertEquals(4, windows.size());
        MovingWindowMatrix m2 = new MovingWindowMatrix(ones, 2, 2, true);
        List<INDArray> windowsRotate = m2.windows();
        assertEquals(16, windowsRotate.size());


    }



}
