/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 */

package org.apache.shardingsphere.data.pipeline.core.preparer.inventory.calculator;

import org.apache.shardingsphere.data.pipeline.core.ingest.dumper.inventory.query.Range;
import org.junit.jupiter.api.Test;

import java.math.BigInteger;

import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;

class InventoryDataSparsenessCalculatorTest {
    
    @Test
    void assertIsIntegerUniqueKeyDataSparse() {
        assertFalse(InventoryDataSparsenessCalculator.isIntegerUniqueKeyDataSparse(1L, createRange(1L, 1000000L)));
        assertFalse(InventoryDataSparsenessCalculator.isIntegerUniqueKeyDataSparse(1000000L, createRange(null, 1000000L)));
        assertFalse(InventoryDataSparsenessCalculator.isIntegerUniqueKeyDataSparse(1000000L, createRange(1L, null)));
        assertFalse(InventoryDataSparsenessCalculator.isIntegerUniqueKeyDataSparse(1000000L, createRange(1L, 1494000L)));
        assertTrue(InventoryDataSparsenessCalculator.isIntegerUniqueKeyDataSparse(1000000L, createRange(1L, 1495000L)));
        assertTrue(InventoryDataSparsenessCalculator.isIntegerUniqueKeyDataSparse(1000000L, createRange(1L, 1500000L)));
    }
    
    private Range<BigInteger> createRange(final Long lowerBound, final Long upperBound) {
        return Range.closed(null == lowerBound ? null : BigInteger.valueOf(lowerBound), null == upperBound ? null : BigInteger.valueOf(upperBound));
    }
}
