Examples of gnu.trove.set.TIntSet.retainAll()

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


        TIntSet set = map.keySet();
        assertEquals( map.size(), set.size() );
        assertFalse( set.isEmpty() );


        assertFalse( set.retainAll( set ) );


        // test with a TCollection
        TIntSet tintset = new TIntHashSet( keys );
        assertFalse( "set: " + set + ", collection: " + tintset,
                set.retainAll( tintset ) );

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            vals[i] = keys[i] * 2;
            map.put( keys[i], vals[i] );
        }
        set = map.keySet();
        
        assertFalse( set.retainAll( keys ) );
        assertTrue( set.containsAll( keys ) );
        
        keys[3] = keys[3] + 1;
        assertTrue( set.retainAll( keys ) );
        keys[3] = keys[3] - 1;

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        assertFalse( set.retainAll( keys ) );
        assertTrue( set.containsAll( keys ) );
        
        keys[3] = keys[3] + 1;
        assertTrue( set.retainAll( keys ) );
        keys[3] = keys[3] - 1;


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

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        Collection<Integer> test_collection = new HashSet<Integer>();
        for ( int i = 0; i < element_count; i++ ) {
            test_collection.add( keys[i] );
        }
        keyset.retainAll( test_collection );
        assertFalse( keyset.isEmpty() );
        assertFalse( map.isEmpty() );


        // Reset map
        for ( int i = 0; i < element_count; i++ ) {

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            map.put( keys[i], vals[i] );
        }
        assertEquals( element_count, map.size() );


        test_collection.remove( Integer.valueOf( keys[5] ) );
        keyset.retainAll( test_collection );
        assertEquals( element_count - 1, keyset.size() );
        assertEquals( element_count - 1, map.size() );
        assertFalse( keyset.contains( keys[5] ) );
        assertFalse( map.containsKey( keys[5] ) );

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            map.put( keys[i], vals[i] );
        }
        assertEquals( element_count, map.size() );


        test_collection.add( Integer.valueOf( 1138 ) );
        keyset.retainAll( test_collection );
        
    }




    public void testKeySetRetainAllTCollection() {

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            assertTrue( keyset.contains( keys[i] ) );
        }
        assertFalse( keyset.isEmpty() );


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


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

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


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


        other.remove( keys[5] );
        assertTrue( "keyset: " + keyset + ", should be modified. other: " +
                    other, keyset.retainAll( other ) );
        assertFalse( keyset.contains( keys[5] ) );

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


        other.remove( keys[5] );
        assertTrue( "keyset: " + keyset + ", should be modified. other: " +
                    other, keyset.retainAll( other ) );
        assertFalse( keyset.contains( keys[5] ) );
        assertFalse( map.containsKey( keys[5] ) );
        assertFalse( map.containsValue( vals[5] ) );
        assertTrue( "keyset: " + keyset + ", should contain all in other: " +
                    other, keyset.containsAll( other ) );

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            assertTrue( keyset.contains( keys[i] ) );
        }
        assertFalse( keyset.isEmpty() );


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


        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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