Examples of java.util.UUID.compareTo()

java.util.UUID.compareTo()
Compares this UUID with the specified UUID.
The first of two UUIDs follows the second if the most significant field in which the UUIDs differ is greater for the first UUID. @param val UUID to which this UUID is to be compared. @return -1, 0 or 1 as this UUID is less than, equalto, or greater than val.

      {
        UUID id = new UUID(ids[i].getMostSignificantBits(),
                           ids[i].getLeastSignificantBits());
        for(int j = 0; j < ids.length; j++)
          {
            int c1 = id.compareTo(ids[j]);
            int c2; 
            if( i < j ) c2 = -1;
            else if( i > j) c2 = 1;
            else c2 = 0;
            harness.check(c1, c2);

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        assertEquals(-1, uuid1.compareTo(uuid2));
        assertEquals(1, uuid2.compareTo(uuid1));


        uuid2 = new UUID(0, 1);
        assertEquals(-1, uuid1.compareTo(uuid2));
        assertEquals(1, uuid2.compareTo(uuid1));
    }


    /**
     * @see UUID#hashCode()
     */

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    /**
     * @see UUID#compareTo(UUID)
     */
    public void test_compareTo() {
        UUID uuid1 = new UUID(0, 0);
        assertEquals(0, uuid1.compareTo(uuid1));
        UUID uuid2 = new UUID(1, 0);
        assertEquals(-1, uuid1.compareTo(uuid2));
        assertEquals(1, uuid2.compareTo(uuid1));


        uuid2 = new UUID(0, 1);

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    public void test_compareTo() {
        UUID uuid1 = new UUID(0, 0);
        assertEquals(0, uuid1.compareTo(uuid1));
        UUID uuid2 = new UUID(1, 0);
        assertEquals(-1, uuid1.compareTo(uuid2));
        assertEquals(1, uuid2.compareTo(uuid1));


        uuid2 = new UUID(0, 1);
        assertEquals(-1, uuid1.compareTo(uuid2));
        assertEquals(1, uuid2.compareTo(uuid1));
    }

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    /**
     * @see UUID#compareTo(UUID)
     */
    public void test_compareTo() {
        UUID uuid1 = new UUID(0, 0);
        assertEquals(0, uuid1.compareTo(uuid1));
        UUID uuid2 = new UUID(1, 0);
        assertEquals(-1, uuid1.compareTo(uuid2));
        assertEquals(1, uuid2.compareTo(uuid1));


        uuid2 = new UUID(0, 1);

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    public void test_compareTo() {
        UUID uuid1 = new UUID(0, 0);
        assertEquals(0, uuid1.compareTo(uuid1));
        UUID uuid2 = new UUID(1, 0);
        assertEquals(-1, uuid1.compareTo(uuid2));
        assertEquals(1, uuid2.compareTo(uuid1));


        uuid2 = new UUID(0, 1);
        assertEquals(-1, uuid1.compareTo(uuid2));
        assertEquals(1, uuid2.compareTo(uuid1));
    }

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        assertEquals(-1, uuid1.compareTo(uuid2));
        assertEquals(1, uuid2.compareTo(uuid1));


        uuid2 = new UUID(0, 1);
        assertEquals(-1, uuid1.compareTo(uuid2));
        assertEquals(1, uuid2.compareTo(uuid1));
    }


    /**
     * @see UUID#hashCode()
     */

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        ByteBuffer vb = ti.decompose(vu);


        assertEquals(-1, ti.compare(zb, vb));
        assertEquals(1, zu.compareTo(vu));
        assertEquals(1, ti.compare(vb, zb));
        assertEquals(-1, vu.compareTo(zu));
    }
}

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