Examples of gnu.trove.TIntCollection.retainAll()

gnu.trove.TIntCollection.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

        List<Integer> java_list = new ArrayList<Integer>();
        for ( int value : vals ) {
            java_list.add( value );
        }
        assertFalse( "collection: " + collection + ", should contain all in list: " +
                     java_list, collection.retainAll( java_list ) );


        java_list.remove( 5 );
        assertTrue( "collection: " + collection + ", should contain all in list: " +
                    java_list, collection.retainAll( java_list ) );
        assertFalse( collection.contains( vals[5] ) );

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        assertFalse( "collection: " + collection + ", should contain all in list: " +
                     java_list, collection.retainAll( java_list ) );


        java_list.remove( 5 );
        assertTrue( "collection: " + collection + ", should contain all in list: " +
                    java_list, collection.retainAll( java_list ) );
        assertFalse( collection.contains( vals[5] ) );
        assertFalse( map.containsKey( keys[5] ) );
        assertFalse( map.containsValue( vals[5] ) );
        assertTrue( "collection: " + collection + ", should contain all in list: " +
                    java_list, collection.containsAll( java_list ) );

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            assertTrue( collection.contains( vals[i] ) );
        }
        assertFalse( collection.isEmpty() );


        assertFalse( "collection: " + collection + ", should be unmodified.",
                collection.retainAll( collection ) );


        TIntCollection other = new TIntArrayList( collection );
        assertFalse( "collection: " + collection + ", should be unmodified. other: " +
                     other, collection.retainAll( other ) );

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            assertTrue( collection.contains( vals[i] ) );
        }
        assertFalse( collection.isEmpty() );


        assertFalse( "collection: " + collection + ", should be unmodified. array: " +
                     Arrays.toString( vals ), collection.retainAll( vals ) );


        int[] other = new int[element_count - 1];
        for ( int i = 0; i < element_count; i++ ) {
            if ( i < 5 ) {
                other[i] = i + 1;

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            if ( i > 5 ) {
                other[i - 1] = i + 1;
            }
        }
        assertTrue( "collection: " + collection + ", should be modified. array: " +
                    Arrays.toString( other ), collection.retainAll( other ) );
    }




    public void testValueCollectionRemoveAllCollection() {
        int element_count = 20;

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