ANDFilterTests.java

/*******************************************************************************
 * Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.test.utility.filters;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.eclipse.persistence.tools.workbench.test.utility.TestTools;
import org.eclipse.persistence.tools.workbench.utility.filters.ANDFilter;
import org.eclipse.persistence.tools.workbench.utility.filters.Filter;
import org.eclipse.persistence.tools.workbench.utility.filters.SimpleFilter;


public class ANDFilterTests extends TestCase {
    private ANDFilter andFilter;

    public static Test suite() {
        return new TestSuite(ANDFilterTests.class);
    }

    public ANDFilterTests(String name) {
        super(name);
    }

    protected void setUp() throws Exception {
        super.setUp();
        this.andFilter = new ANDFilter(buildMinFilter(1), buildMaxFilter(10));
    }

    private static Filter buildMinFilter(double min) {
        return new SimpleFilter(new Double(min)) {
            public boolean accept(Object next) {
                double minValue = ((Number) this.criterion).doubleValue();
                double value = ((Number) next).doubleValue();
                return value >= minValue;
            }
        };
    }

    private static Filter buildMaxFilter(double max) {
        return new SimpleFilter(new Double(max)) {
            public boolean accept(Object next) {
                double maxValue = ((Number) this.criterion).doubleValue();
                double value = ((Number) next).doubleValue();
                return value <= maxValue;
            }
        };
    }

    private static Filter buildEvenFilter() {
        return new Filter() {
            public boolean accept(Object next) {
                int value = ((Number) next).intValue();
                return (value & 1) == 0;
            }
        };
    }

    protected void tearDown() throws Exception {
        TestTools.clear(this);
        super.tearDown();
    }

    public void testFiltering2() {
        assertTrue(this.andFilter.accept(new Integer(7)));
        assertTrue(this.andFilter.accept(new Integer(2)));
        assertTrue(this.andFilter.accept(new Double(6.666)));
        assertFalse(this.andFilter.accept(new Double(-99)));
        assertFalse(this.andFilter.accept(new Double(-1)));
        assertFalse(this.andFilter.accept(new Double(11)));
        assertFalse(this.andFilter.accept(new Double(111)));
    }

    public void testFiltering3() {
        ANDFilter andFilter2 = new ANDFilter(this.andFilter, buildEvenFilter());
        assertFalse(andFilter2.accept(new Integer(7)));
        assertTrue(andFilter2.accept(new Integer(2)));
        assertTrue(andFilter2.accept(new Double(6.1)));
        assertFalse(andFilter2.accept(new Double(-99)));
        assertFalse(andFilter2.accept(new Double(-1)));
        assertFalse(andFilter2.accept(new Double(11)));
        assertFalse(andFilter2.accept(new Double(111)));
    }

    public void testFilteringComposite() {
        Filter andFilter2 = ANDFilter.and(new Filter[] {buildMinFilter(1), buildMaxFilter(10), buildEvenFilter()});
        assertFalse(andFilter2.accept(new Integer(7)));
        assertTrue(andFilter2.accept(new Integer(2)));
        assertTrue(andFilter2.accept(new Double(6.1)));
        assertFalse(andFilter2.accept(new Double(-99)));
        assertFalse(andFilter2.accept(new Double(-1)));
        assertFalse(andFilter2.accept(new Double(11)));
        assertFalse(andFilter2.accept(new Double(111)));
    }

    public void testClone() {
        ANDFilter andFilter2 = (ANDFilter) this.andFilter.clone();
        assertEquals(this.andFilter.getFilter1(), andFilter2.getFilter1());
        assertEquals(this.andFilter.getFilter2(), andFilter2.getFilter2());
        assertNotSame(this.andFilter, andFilter2);
    }

    public void testEquals() {
        ANDFilter andFilter2 = new ANDFilter(buildMinFilter(1), buildMaxFilter(10));
        assertEquals(this.andFilter, andFilter2);
        assertEquals(this.andFilter.hashCode(), andFilter2.hashCode());

        andFilter2 = new ANDFilter(buildMaxFilter(10), buildMinFilter(1));
        assertEquals(this.andFilter, andFilter2);
        assertEquals(this.andFilter.hashCode(), andFilter2.hashCode());
    }

    public void testSerialization() throws Exception {
        ANDFilter andFilter2 = (ANDFilter) TestTools.serialize(this.andFilter);
        assertEquals(this.andFilter.getFilter1(), andFilter2.getFilter1());
        assertEquals(this.andFilter.getFilter2(), andFilter2.getFilter2());
        assertNotSame(this.andFilter, andFilter2);
    }

}