/*
 *  ******************************************************************************
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 *  *
 *  * This program and the accompanying materials are made available under the
 *  * terms of the Apache License, Version 2.0 which is available at
 *  * https://www.apache.org/licenses/LICENSE-2.0.
 *  *
 *  *  See the NOTICE file distributed with this work for additional
 *  *  information regarding copyright ownership.
 *  * Unless required by applicable law or agreed to in writing, software
 *  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 *  * License for the specific language governing permissions and limitations
 *  * under the License.
 *  *
 *  * SPDX-License-Identifier: Apache-2.0
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package org.eclipse.deeplearning4j.nd4j.linalg.memory;

import lombok.extern.slf4j.Slf4j;
import lombok.val;
import org.junit.jupiter.api.Tag;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;

import org.nd4j.common.tests.tags.NativeTag;
import org.nd4j.common.tests.tags.TagNames;
import org.nd4j.linalg.BaseNd4jTestWithBackends;
import org.nd4j.linalg.api.memory.conf.WorkspaceConfiguration;
import org.nd4j.linalg.factory.Nd4j;
import org.nd4j.linalg.factory.Nd4jBackend;
import org.nd4j.linalg.indexing.NDArrayIndex;

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

@Slf4j
@NativeTag
@Tag(TagNames.WORKSPACES)
public class CloseableTests extends BaseNd4jTestWithBackends {

    @ParameterizedTest
    @MethodSource("org.nd4j.linalg.BaseNd4jTestWithBackends#configs")
    public void testSimpleRelease_1(Nd4jBackend backend) {
        val array = Nd4j.createFromArray(new float[]{1, 2, 3, 4, 5});
        assertTrue(array.closeable());

        array.close();

        assertFalse(array.closeable());
    }

    @ParameterizedTest
    @MethodSource("org.nd4j.linalg.BaseNd4jTestWithBackends#configs")
    public void testCyclicRelease_1(Nd4jBackend backend) {
        for (int e = 0; e < 100; e++) {
            try (val array = Nd4j.createFromArray(new float[]{1, 2, 3, 4, 5})) {
                array.addi(1.0f);
            }
            System.gc();
        }
    }

    @ParameterizedTest
    @MethodSource("org.nd4j.linalg.BaseNd4jTestWithBackends#configs")
    public void testViewRelease_1(Nd4jBackend backend) {
        val array = Nd4j.create(5, 5);
        assertTrue(array.closeable());

        val view = array.get(NDArrayIndex.point(1), NDArrayIndex.all());

        assertTrue(array.closeable());
        assertFalse(view.closeable());
    }

    @ParameterizedTest
    @MethodSource("org.nd4j.linalg.BaseNd4jTestWithBackends#configs")
    public void testAttachedRelease_1(Nd4jBackend backend) {
        val wsconf = WorkspaceConfiguration.builder().build();

        try (val ws = Nd4j.getWorkspaceManager().getAndActivateWorkspace(wsconf, "haha72yjhfdfs")) {
            val array = Nd4j.create(5, 5);
            assertFalse(array.closeable());
        }
    }




    @Override
    public char ordering() {
        return 'c';
    }
}
