@Test public void linear2() 
{

    int[] data = {2, 4, 6} ; 
    IntBuffer b = make(data) ;
    int idx = 0 ; 
    
    idx = Alg.linearSearch(b, 1) ;
    assertEquals(-1, idx) ;
    
    idx = Alg.linearSearch(b, 3) ;
    assertEquals(-2, idx) ;
    idx = Alg.linearSearch(b, 5) ;
    assertEquals(-3, idx) ;
    
    idx = Alg.linearSearch(b, 7) ;
    assertEquals(-4, idx) ;
}