assertTrue( keyset.contains( keys[i] ) );
}
assertFalse( keyset.isEmpty() );
assertTrue( "should contain all. keyset: " + keyset + ", " + Arrays.toString( keys ),
keyset.containsAll( keys ) );
int[] other_array = new int[ keys.length + 1 ];
System.arraycopy( keys, 0, other_array, 0, keys.length );
other_array[other_array.length - 1] = 1138;
assertFalse( "should not contain all. keyset: " + keyset + ", " + Arrays.toString( other_array ),