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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package datatype;

import javax.xml.datatype.DatatypeFactory;
import javax.xml.datatype.XMLGregorianCalendar;
import org.testng.annotations.Test;
import org.testng.Assert;
import org.testng.annotations.DataProvider;

/*
 * @test
 * @bug 8246816
 * @run testng datatype.HashCodeTest
 * @summary Test hashCode generation.
 */
public class HashCodeTest {
    /*
       DataProvider: for testHashCode
       Data: datetime1, datetime1, flag indicating if their hashCodes are equal
     */
    @DataProvider(name = "testHashCode")
    public Object[][] getData() {

        return new Object[][]{
            // the reported case: identical hash codes before the patch
            {"2020-04-24T12:53:00+02:00", "2020-06-04T06:58:17.727Z", false},
            {"1002000-01-15T12:00:00-05:00", "2002000-01-15T13:00:00-04:00", false},
            {"2000-01-15T12:00:59.99999-05:00", "2000-01-15T13:00:59-04:00", false},
            {"2000-01-15T12:00:00-05:00", "2000-01-15T13:00:00-04:00", true},
            {"2000-01-15T12:00:59.99999-05:00", "2000-01-15T13:00:59.99999-04:00", true},
            {"999999999-01-15T12:00:00-05:00", "999999999-01-15T13:00:00-04:00", true},
            {"999999999-01-15T12:00:59.99999-05:00", "999999999-01-15T13:00:59.99999-04:00", true},
        };
    }

    @Test(dataProvider = "testHashCode")
    public final void testHashCode(String dt1, String dt2, boolean equal) throws Exception {
        DatatypeFactory dataTypeFactory = DatatypeFactory.newInstance();
        XMLGregorianCalendar cal1 = dataTypeFactory.newXMLGregorianCalendar(dt1);
        XMLGregorianCalendar cal2 = dataTypeFactory.newXMLGregorianCalendar(dt2);

        // identical hash codes before the patch
        int hashCode1 = cal1.hashCode();
        int hashCode2 = cal2.hashCode();

        if (equal) {
            Assert.assertTrue(cal1.equals(cal2));
            Assert.assertEquals(hashCode1, hashCode2);
        } else {
            Assert.assertFalse(cal1.equals(cal2));
            Assert.assertNotEquals(hashCode1, hashCode2);
        }
    }
}