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/*
 * Copyright (c) 2023 jMonkeyEngine
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.jme3.scene;

import com.jme3.scene.control.UpdateControl;
import org.junit.Assert;
import org.junit.Test;

/**
 * Tests selected methods of the Spatial class.
 *
 * @author Stephen Gold
 */
public class SpatialTest {

    /**
     * Tests addControlAt() with a duplicate Control.
     */
    @Test(expected = IllegalStateException.class)
    public void addControlAtDuplicate() {
        Spatial testSpatial = new Node("testSpatial");
        UpdateControl control1 = new UpdateControl();
        testSpatial.addControlAt(0, control1);
        testSpatial.addControlAt(1, control1);
    }

    /**
     * Tests addControlAt() with a negative index.
     */
    @Test(expected = IndexOutOfBoundsException.class)
    public void addControlAtNegativeIndex() {
        Spatial testSpatial = new Node("testSpatial");
        UpdateControl control1 = new UpdateControl();
        testSpatial.addControlAt(-1, control1);
    }

    /**
     * Tests addControlAt() with a null argument.
     */
    @Test(expected = IllegalArgumentException.class)
    public void addControlAtNullControl() {
        Spatial testSpatial = new Node("testSpatial");
        testSpatial.addControlAt(0, null);
    }

    /**
     * Tests addControlAt() with an out-of-range positive index.
     */
    @Test(expected = IndexOutOfBoundsException.class)
    public void addControlAtOutOfRange() {
        Spatial testSpatial = new Node("testSpatial");
        UpdateControl control1 = new UpdateControl();
        testSpatial.addControlAt(1, control1);
    }

    /**
     * Tests typical uses of addControlAt().
     */
    @Test
    public void testAddControlAt() {
        Spatial testSpatial = new Node("testSpatial");

        // Add to an empty list.
        UpdateControl control1 = new UpdateControl();
        testSpatial.addControlAt(0, control1);

        Assert.assertEquals(1, testSpatial.getNumControls());
        Assert.assertEquals(control1, testSpatial.getControl(0));
        Assert.assertEquals(testSpatial, control1.getSpatial());

        // Add at the end of a non-empty list.
        UpdateControl control2 = new UpdateControl();
        testSpatial.addControlAt(1, control2);

        Assert.assertEquals(2, testSpatial.getNumControls());
        Assert.assertEquals(control1, testSpatial.getControl(0));
        Assert.assertEquals(control2, testSpatial.getControl(1));
        Assert.assertEquals(testSpatial, control1.getSpatial());
        Assert.assertEquals(testSpatial, control2.getSpatial());

        // Add at the beginning of a non-empty list.
        UpdateControl control0 = new UpdateControl();
        testSpatial.addControlAt(0, control0);

        Assert.assertEquals(3, testSpatial.getNumControls());
        Assert.assertEquals(control0, testSpatial.getControl(0));
        Assert.assertEquals(control1, testSpatial.getControl(1));
        Assert.assertEquals(control2, testSpatial.getControl(2));
        Assert.assertEquals(testSpatial, control0.getSpatial());
        Assert.assertEquals(testSpatial, control1.getSpatial());
        Assert.assertEquals(testSpatial, control2.getSpatial());
    }
}