copy(shiftedB, tt.b)
			cmp := Compare(tt.a, shiftedB)
			if cmp != tt.i {
				t.Errorf(`Compare(%q, %q), offset %d = %v; want %v`, tt.a, tt.b, offset, cmp, tt.i)
			}
		}
	}
}

func TestCompareIdenticalSlice(t *testing.T) {
	var b = []byte("Hello Gophers!")
	if Compare(b, b) != 0 {
		t.Error("b != b")
	}
	if Compare(b, b[:1]) != 1 {
		t.Error("b > b[:1] failed")
	}
}