Examples of gnu.trove.TLongCollection.retainAll()

gnu.trove.TLongCollection.retainAll()
Removes any values in the collection which are not contained in collection. @param collection a Collection value @return true if the collection was modified by the retain all operation

        // test with a java.util.Map
        Set<Number> java_set = new HashSet<Number>();
        for ( int i = 0; i < vals.length; i++ ) {
            java_set.add( Long.valueOf( vals[i] ) );
        }
        assertFalse( values.retainAll( java_set ) );
        assertEquals( keys.length, values.size() );
        assertEquals( keys.length, map.size() );
        for ( int i = 0; i < keys.length; i++ ) {
            assertTrue( values.contains( vals[i] ) );
            assertTrue( map.containsValue( vals[i] ) );

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            assertTrue( map.containsValue( vals[i] ) );
        }
        java_set.remove( Long.valueOf( 42 * 2 ) );
        assertTrue( "collection should have been modified: " + values +
                    "\njava: " + java_set,
                values.retainAll( java_set ) );
        assertEquals( keys.length - 1, values.size() );
        assertEquals( keys.length - 1, map.size() );
        for ( int i = 0; i < keys.length; i++ ) {
            if ( keys[i] != 42 ) {
                assertTrue( values.contains( vals[i] ) );

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        TLongCollection values = map.valueCollection();
        assertEquals( map.size(), values.size() );
        assertFalse( values.isEmpty() );


        assertFalse( values.retainAll( values ) );


        // test with a TCollection
        TLongSet tintset = new TLongHashSet( vals );
        assertFalse( "values: " + values + ", collection: " + tintset,
                values.retainAll( tintset ) );

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        assertFalse( values.retainAll( values ) );


        // test with a TCollection
        TLongSet tintset = new TLongHashSet( vals );
        assertFalse( "values: " + values + ", collection: " + tintset,
                values.retainAll( tintset ) );
        TLongCollection collection = new TLongArrayList( vals );
        assertFalse( "values: " + values + ", collection: " + collection,
                values.retainAll( collection ) );


        collection.remove( 42 * 2 );

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            vals[i] = keys[i] * 2;
            map.put( keys[i], vals[i] );
        }
        values = map.valueCollection();


        assertFalse( values.retainAll( vals ) );
        assertTrue( values.containsAll( vals ) );


        vals[3] = vals[3] + 1;
        assertTrue( values.retainAll( vals ) );
        vals[3] = vals[3] - 1;

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        assertFalse( values.retainAll( vals ) );
        assertTrue( values.containsAll( vals ) );


        vals[3] = vals[3] + 1;
        assertTrue( values.retainAll( vals ) );
        vals[3] = vals[3] - 1;


        assertEquals( "removed: " + keys[3] + ", values: " + values,
                keys.length - 1, values.size() );
        assertEquals( "removed: " + keys[3] + ", set: " + values

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