/**
 * Copyright (C) 2010-2017 Gordon Fraser, Andrea Arcuri and EvoSuite
 * contributors
 *
 * This file is part of EvoSuite.
 *
 * EvoSuite is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3.0 of the License, or
 * (at your option) any later version.
 *
 * EvoSuite is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>.
 */
package com.examples.with.different.packagename.testcarver;

import junit.framework.TestSuite;

import com.examples.with.different.packagename.testcarver.Converter;


/**
 * Test Case for the IntegerConverter class.
 *
 * @author Rodney Waldhoff
 * @version $Revision: 745078 $ $Date: 2009-02-17 14:03:10 +0000 (Tue, 17 Feb 2009) $
 */

public class IntegerConverterTestCase extends NumberConverterTestBase {

    private Converter converter = null;

    // ------------------------------------------------------------------------

    public IntegerConverterTestCase(String name) {
        super(name);
    }
    
    // ------------------------------------------------------------------------

    public void setUp() throws Exception {
        converter = makeConverter();
        numbers[0] = new Integer("-12");
        numbers[1] = new Integer("13");
        numbers[2] = new Integer("-22");
        numbers[3] = new Integer("23");
    }

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

    public void tearDown() throws Exception {
        converter = null;
    }

    // ------------------------------------------------------------------------
    
    protected NumberConverter makeConverter() {
        return new IntegerConverter();
    }
    
    protected NumberConverter makeConverter(Object defaultValue) {
        return new IntegerConverter(defaultValue);
    }
    
    protected Class getExpectedType() {
        return Integer.class;
    }

    // ------------------------------------------------------------------------

    public void testSimpleConversion() throws Exception {
        String[] message= { 
            "from String",
            "from String",
            "from String",
            "from String",
            "from String",
            "from String",
            "from String",
            "from Byte",
            "from Short",
            "from Integer",
            "from Long",
            "from Float",
            "from Double"
        };
        
        Object[] input = { 
            String.valueOf(Integer.MIN_VALUE),
            "-17",
            "-1",
            "0",
            "1",
            "17",
            String.valueOf(Integer.MAX_VALUE),
            new Byte((byte)7),
            new Short((short)8),
            new Integer(9),
            new Long(10),
            new Float(11.1),
            new Double(12.2)
        };
        
        Integer[] expected = { 
            new Integer(Integer.MIN_VALUE),
            new Integer(-17),
            new Integer(-1),
            new Integer(0),
            new Integer(1),
            new Integer(17),
            new Integer(Integer.MAX_VALUE),
            new Integer(7),
            new Integer(8),
            new Integer(9),
            new Integer(10),
            new Integer(11),
            new Integer(12)
        };
        
        for(int i=0;i<expected.length;i++) {
            assertEquals(message[i] + " to Integer",expected[i],converter.convert(Integer.class,input[i]));
            assertEquals(message[i] + " to int",expected[i],converter.convert(Integer.TYPE,input[i]));
            assertEquals(message[i] + " to null type",expected[i],converter.convert(null,input[i]));
        }
    }

    /**
     * Test Invalid Amounts (too big/small)
     */
    public void testInvalidAmount() {
        Converter converter = makeConverter();
        Class clazz = Integer.class;

        Long min         = new Long(Integer.MIN_VALUE);
        Long max         = new Long(Integer.MAX_VALUE);
        Long minMinusOne = new Long(min.longValue() - 1);
        Long maxPlusOne  = new Long(max.longValue() + 1);

        // Minimum
        assertEquals("Minimum", new Integer(Integer.MIN_VALUE), converter.convert(clazz, min));

        // Maximum
        assertEquals("Maximum", new Integer(Integer.MAX_VALUE), converter.convert(clazz, max));

        // Too Small
        try {
            assertEquals("Minimum - 1", null, converter.convert(clazz, minMinusOne));
            fail("Less than minimum, expected ConversionException");
        } catch (Exception e) {
            // expected result
        }

        // Too Large
        try {
            assertEquals("Maximum + 1", null, converter.convert(clazz, maxPlusOne));
            fail("More than maximum, expected ConversionException");
        } catch (Exception e) {
            // expected result
        }
    }
}