PairTest.java

package org.identityconnectors.oracle;

import static org.testng.AssertJUnit.assertEquals;
import static org.testng.AssertJUnit.assertFalse;

import org.testng.annotations.Test;

public class PairTest {

    @Test
    public void testHashCode() {
        Pair<Integer, String> pair1 = new Pair<Integer, String>(1, "one");
        Pair<Integer, String> pair2 = new Pair<Integer, String>(1, "one");
        assertEquals(pair1.hashCode(), pair2.hashCode());
        pair2 = new Pair<Integer, String>(1, "two");
        assertFalse(pair1.hashCode() == pair2.hashCode());
        pair1 = new Pair<Integer, String>(null, "one");
        pair2 = new Pair<Integer, String>(null, "one");
        assertEquals(pair1.hashCode(), pair2.hashCode());
        pair1 = new Pair<Integer, String>(1, null);
        pair2 = new Pair<Integer, String>(1, null);
        assertEquals(pair1.hashCode(), pair2.hashCode());
    }

    @Test
    public void testPair() {
        Pair<Integer, String> pair = new Pair<Integer, String>(1, "one");
        assertEquals(new Integer(1), pair.getFirst());
        assertEquals("one", pair.getSecond());
    }

    @Test
    public void testEqualsObject() {
        Pair<Integer, String> pair1 = new Pair<Integer, String>(1, "one");
        Pair<Integer, String> pair2 = new Pair<Integer, String>(1, "one");
        assertEquals(pair1, pair2);
        assertEquals(pair2, pair1);
        pair1 = pair2;
        assertEquals(pair1, pair2);
        assertEquals(pair2, pair1);
        pair2 = new Pair<Integer, String>(1, "two");
        assertFalse(pair1.equals(pair2));
        assertFalse(pair2.equals(pair1));
        pair1 = new Pair<Integer, String>(null, "one");
        pair2 = new Pair<Integer, String>(null, "one");
        assertEquals(pair1, pair2);
        assertEquals(pair2, pair1);
        pair1 = new Pair<Integer, String>(1, null);
        pair2 = new Pair<Integer, String>(1, null);
        assertEquals(pair1, pair2);
        assertEquals(pair2, pair1);

        pair1 = new Pair<Integer, String>(null, null);
        pair2 = new Pair<Integer, String>(null, null);
        assertEquals(pair1, pair2);
        assertEquals(pair2, pair1);

        assertFalse(pair1.equals(null));
        assertFalse(pair1.equals("hello"));

    }

}