Examples of org.jgroups.util.FixedSizeBitSet

org.jgroups.util.FixedSizeBitSet
Class copied from {@link java.util.BitSet}. Changes are that the FixedSizeBitSet doesn't expand, so access to it doesn't need to be synchronized, plus we only need a few methods so most methods of the old class have been removed. @author Bela Ban

        System.out.println("set = " + set);
    }




    public static void testNextSetBit() {
        FixedSizeBitSet set=new FixedSizeBitSet(64);
        int index=set.nextSetBit(10);
        assert index == -1 : "expected -1 but got " + index;


        index=set.nextSetBit(63);
        assert index == -1 : "expected -1 but got " + index;


        set.set(62);
        index=set.nextSetBit(62);
        assert index == 62 : "expected 62 but got " + index;


        index=set.nextSetBit(63);
        assert index == -1 : "expected -1 but got " + index;


        set.set(63);
        index=set.nextSetBit(63);
        assert index == 63 : "expected 63 but got " + index;
    }

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        index=set.nextSetBit(63);
        assert index == 63 : "expected 63 but got " + index;
    }


    public static void testNextSetBit2() {
        FixedSizeBitSet set=new FixedSizeBitSet(64);
        set.set(0);
        int index=set.nextSetBit(0);
        assert index == 0 : "expected 0 but got " + index;
    }

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        int index=set.nextSetBit(0);
        assert index == 0 : "expected 0 but got " + index;
    }


    public static void testCardinality() {
        FixedSizeBitSet set=new FixedSizeBitSet(20);
        for(int i=0; i < 20; i++)
            set.set(i);
        System.out.println("set = " + set);
        assert set.cardinality() == 20;
    }

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        System.out.println("set = " + set);
        assert set.cardinality() == 20;
    }


    public static void testNextClearBit() {
        FixedSizeBitSet set=new FixedSizeBitSet(64);
        int index=set.nextClearBit(0);
        assert index == 0 : "expected 0 but got " + index;


        set.set(62); set.set(63);
        index=set.nextClearBit(62);
        assert index == -1;
    }

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    }






    public static void testNextSetAndClearBitOutOfRangeIndex() {
        FixedSizeBitSet set=new FixedSizeBitSet(64);
        for(int num: new int[]{64, 120}) {
            int index=set.nextSetBit(num);
            assert index == -1;
            index=set.nextClearBit(num);
            assert index == -1;
        }
    }

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        }
    }




    public static void testLargeSet() {
        FixedSizeBitSet set=new FixedSizeBitSet(1500);
        Set<Integer> sorted_set=new TreeSet<Integer>();
        for(int i=0; i < 500; i++) {
            int num=(int)Util.random(1499);
            sorted_set.add(num);
        }


        for(int num: sorted_set)
            set.set(num);


        int num_set=sorted_set.size();
        System.out.println("set " + num_set + " bits");
        assert set.cardinality() == num_set;
    }

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        System.out.println("set " + num_set + " bits");
        assert set.cardinality() == num_set;
    }


    public static void testFlip() {
        FixedSizeBitSet set=new FixedSizeBitSet(10);
        for(int i=0; i < set.size(); i++)
            if(i % 2 == 0)
                set.set(i);
        System.out.println("set = " + set);
        set.flip();
        System.out.println("set = " + set);
        for(int i=0; i < set.size(); i++)
            assert set.get(i) == (i %2 != 0);
    }

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 */
@Test(groups=Global.FUNCTIONAL,sequential=false)
public class FixedSizeBitSetTest {


    public static void testConstructor() {
        FixedSizeBitSet set=new FixedSizeBitSet(10);
        assert set.cardinality() == 0;
        assert set.size() == 10;
    }

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        assert set.size() == 10;
    }


    @Test(expectedExceptions=IndexOutOfBoundsException.class)
    public static void testSetWithIndexOutOfBounds() {
        FixedSizeBitSet set=new FixedSizeBitSet(10);
        set.set(0);
        assert set.get(0);
        set.set(10);
    }

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        assert set.get(0);
        set.set(10);
    }


    public static void testSet() {
        FixedSizeBitSet set=new FixedSizeBitSet(10);
        assert set.set(4) && set.cardinality() == 1;
        assert !set.set(4);
        set.clear(4);
        assert set.cardinality() == 0;
        assert set.set(4) && set.cardinality() == 1;
    }

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