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 *  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
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package org.apache.cayenne.util;

import org.junit.Test;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

public class IndexPropertyListTest {

    @Test
    public void testSort() {

        IndexedObject o1 = new IndexedObject(1);
        IndexedObject o2 = new IndexedObject(2);
        IndexedObject o3 = new IndexedObject(3);
        IndexedObject o4 = new IndexedObject(4);

        List list1 = Arrays.asList(o2, o4, o3, o1);

        IndexPropertyList indexedList = new IndexPropertyList("order", list1, true);
        // sort should be done implictly on get...
        assertEquals(o1, indexedList.get(0));
        assertEquals(o2, indexedList.get(1));
        assertEquals(o3, indexedList.get(2));
        assertEquals(o4, indexedList.get(3));

        List list2 = Arrays.asList(o2, o4, o3, o1);
        IndexPropertyList indexedUnsortedList = new IndexPropertyList(
                "order",
                list2,
                false);
        // sort should be done implictly on get...
        assertEquals(o2, indexedUnsortedList.get(0));
        assertEquals(o4, indexedUnsortedList.get(1));
        assertEquals(o3, indexedUnsortedList.get(2));
        assertEquals(o1, indexedUnsortedList.get(3));
    }

    @Test
    public void testAppend() {
        IndexedObject o1 = new IndexedObject(1);
        IndexedObject o2 = new IndexedObject(2);
        IndexedObject o3 = new IndexedObject(3);
        IndexedObject o4 = new IndexedObject(4);

        List list1 = new ArrayList(Arrays.asList(o2, o4, o3, o1));

        IndexPropertyList indexedList = new IndexPropertyList("order", list1, true);

        IndexedObject o5 = new IndexedObject(-1);
        indexedList.add(o5);

        assertEquals(4, o4.getOrder());
        assertTrue(o4.getOrder() < o5.getOrder());
    }

    @Test
    public void testInsert() {
        IndexedObject o1 = new IndexedObject(1);
        IndexedObject o2 = new IndexedObject(2);
        IndexedObject o3 = new IndexedObject(3);
        IndexedObject o4 = new IndexedObject(4);

        List list1 = new ArrayList(Arrays.asList(o2, o4, o3, o1));

        IndexPropertyList indexedList = new IndexPropertyList("order", list1, true);

        IndexedObject o5 = new IndexedObject(-1);
        indexedList.add(1, o5);

        assertEquals(1, o1.getOrder());
        assertTrue(o1.getOrder() < o5.getOrder());
        assertTrue(o5.getOrder() < o2.getOrder());
        assertTrue(o2.getOrder() < o3.getOrder());
        assertTrue(o3.getOrder() < o4.getOrder());
    }
}