runtime.scala:141: warning: comparing values of types Null and Null using `eq' will always yield true
    check(true , null eq null, null ne null);
                      ^
runtime.scala:141: warning: comparing values of types Null and Null using `ne' will always yield false
    check(true , null eq null, null ne null);
                                    ^
<<< Test0
[false,true]
[0,1,2]
[3,4,5]
[a,b,c]
[6,7,8]
[9,10,11]
[12.0,13.0]
[14.0,15.0]
[string]
>>> Test0

<<< Test1
10
14
15
16
20
23
24
25
26
>>> Test1

<<< Test2
A
M0
N0

A
N0
M0

A
M0
M1
N0

A
N0
N1
M0

>>> Test2

<<< Test3
Ok
Ok
Ok
Ok
Ok
Ok
Ok
Ok
Ok
Ok
Ok
Ok
Ok
Ok
Ok
Ok
>>> Test3