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] ) );
}
java_set.remove( Long.valueOf( 42 * 2 ) );
assertTrue( "collection should have been modified: " + values +
"\njava: " + java_set,
values.retainAll( java_set ) );