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CategoryFilterTest.java
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CategoryFilterTest.java
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/*
* Copyright (c) 2010-2020 William Bittle http://www.dyn4j.org/
* 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 the copyright holder 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 HOLDER 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 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.dyn4j.collision;
import junit.framework.TestCase;
import org.junit.Test;
/**
* Test case for the {@link CategoryFilter} class.
* @author William Bittle
* @version 1.0.3
* @since 1.0.0
*/
public class CategoryFilterTest {
/**
* Tests the create method with no args.
*/
@Test
public void create() {
CategoryFilter f = new CategoryFilter();
TestCase.assertEquals(1, f.category);
TestCase.assertEquals(Long.MAX_VALUE, f.mask);
TestCase.assertEquals(1, f.getCategory());
TestCase.assertEquals(Long.MAX_VALUE, f.getMask());
}
/**
* Tests the equals and hashCode methods.
*/
@Test
public void equalsAndHashCode() {
CategoryFilter f1 = new CategoryFilter();
CategoryFilter f2 = new CategoryFilter();
TestCase.assertTrue(f1.equals(f2));
TestCase.assertEquals(f1.hashCode(), f2.hashCode());
CategoryFilter f3 = new CategoryFilter(1, 2);
TestCase.assertFalse(f1.equals(f3));
TestCase.assertFalse(f1.hashCode() == f3.hashCode());
CategoryFilter f4 = new CategoryFilter(1, 2);
TestCase.assertTrue(f3.equals(f4));
TestCase.assertEquals(f3.hashCode(), f4.hashCode());
CategoryFilter f5 = new CategoryFilter(1, 3);
TestCase.assertFalse(f3.equals(f5));
TestCase.assertTrue(f1.equals(f1));
TestCase.assertFalse(f1.equals(null));
TestCase.assertFalse(f1.equals(new Object()));
}
/**
* Tests the {@link CategoryFilter}.
*/
@Test
public void filter() {
// category 1
// can collide with any category
CategoryFilter f1 = new CategoryFilter(1, Long.MAX_VALUE);
// category 2
// can collide with category 1 and 2
CategoryFilter f2 = new CategoryFilter(2, 3);
// category 3
// can collide with category 1, 2, and 3
CategoryFilter f3 = new CategoryFilter(4, 7);
// allowed
TestCase.assertTrue(f1.isAllowed(f2));
TestCase.assertTrue(f1.isAllowed(f3));
TestCase.assertTrue(f2.isAllowed(f1));
TestCase.assertTrue(f3.isAllowed(f1));
// allowed, not same type
TestCase.assertTrue(f1.isAllowed(Filter.DEFAULT_FILTER));
TestCase.assertTrue(f2.isAllowed(Filter.DEFAULT_FILTER));
TestCase.assertTrue(f3.isAllowed(Filter.DEFAULT_FILTER));
// not allowed
TestCase.assertFalse(f2.isAllowed(f3));
TestCase.assertFalse(f3.isAllowed(f2));
// test null
TestCase.assertTrue(f1.isAllowed(null));
}
/**
* Tests the toString method.
*/
@Test
public void tostring() {
CategoryFilter f1 = new CategoryFilter();
TestCase.assertNotNull(f1.toString());
}
}