1#!./perl
2
3print "1..28\n";
4
5@foo = (1, 2, 3, 4);
6if ($foo[0] == 1 && $foo[3] == 4) {print "ok 1\n";} else {print "not ok 1\n";}
7
8$_ = join(':',@foo);
9if ($_ eq '1:2:3:4') {print "ok 2\n";} else {print "not ok 2\n";}
10
11($a,$b,$c,$d) = (1,2,3,4);
12if ("$a;$b;$c;$d" eq '1;2;3;4') {print "ok 3\n";} else {print "not ok 3\n";}
13
14($c,$b,$a) = split(/ /,"111 222 333");
15if ("$a;$b;$c" eq '333;222;111') {print "ok 4\n";} else {print "not ok 4\n";}
16
17($a,$b,$c) = ($c,$b,$a);
18if ("$a;$b;$c" eq '111;222;333') {print "ok 5\n";} else {print "not ok 5 $a;$b;$c\n";}
19
20($a, $b) = ($b, $a);
21if ("$a;$b;$c" eq '222;111;333') {print "ok 6\n";} else {print "not ok 6\n";}
22
23($a, $b[1], $c{2}, $d) = (1, 2, 3, 4);
24if ($a eq 1) {print "ok 7\n";} else {print "not ok 7\n";}
25if ($b[1] eq 2) {print "ok 8\n";} else {print "not ok 8\n";}
26if ($c{2} eq 3) {print "ok 9\n";} else {print "not ok 9\n";}
27if ($d eq 4) {print "ok 10\n";} else {print "not ok 10\n";}
28
29@foo = (1,2,3,4,5,6,7,8);
30($a, $b, $c, $d) = @foo;
31print "#11	$a;$b;$c;$d eq 1;2;3;4\n";
32if ("$a;$b;$c;$d" eq '1;2;3;4') {print "ok 11\n";} else {print "not ok 11\n";}
33
34@foo = @bar = (1);
35if (join(':',@foo,@bar) eq '1:1') {print "ok 12\n";} else {print "not ok 12\n";}
36
37@foo = ();
38@foo = 1+2+3;
39if (join(':',@foo) eq '6') {print "ok 13\n";} else {print "not ok 13\n";}
40
41for ($x = 0; $x < 3; $x++) {
42    ($a, $b, $c) = 
43	    $x == 0?
44		    ('ok ', 14, "\n"):
45	    $x == 1?
46		    ('ok ', 15, "\n"):
47	    # default
48		    ('ok ', 16, "\n");
49
50    print $a,$b,$c;
51}
52
53@a = ($x == 12345 || (1,2,3));
54if (join('',@a) eq '123') {print "ok 17\n";} else {print "not ok 17\n";}
55
56@a = ($x == $x || (4,5,6));
57if (join('',@a) eq '1') {print "ok 18\n";} else {print "not ok 18\n";}
58
59if (join('',1,2,(3,4,5)) eq '12345'){print "ok 19\n";}else{print "not ok 19\n";}
60if (join('',(1,2,3,4,5)) eq '12345'){print "ok 20\n";}else{print "not ok 20\n";}
61if (join('',(1,2,3,4),5) eq '12345'){print "ok 21\n";}else{print "not ok 21\n";}
62if (join('',1,(2,3,4),5) eq '12345'){print "ok 22\n";}else{print "not ok 22\n";}
63if (join('',1,2,(3,4),5) eq '12345'){print "ok 23\n";}else{print "not ok 23\n";}
64if (join('',1,2,3,(4),5) eq '12345'){print "ok 24\n";}else{print "not ok 24\n";}
65
66for ($x = 0; $x < 3; $x++) {
67    ($a, $b, $c) = do {
68	    if ($x == 0) {
69		('ok ', 25, "\n");
70	    }
71	    elsif ($x == 1) {
72		('ok ', 26, "\n");
73	    }
74	    else {
75		('ok ', 27, "\n");
76	    }
77	};
78
79    print $a,$b,$c;
80}
81
82# slices
83{
84    my @a = (0, undef, undef, 3);
85    my @b = @a[1,2];
86    my @c = (0, undef, undef, 3)[1, 2];
87    print "not " unless @b == @c and @c == 2;
88    print "ok 28\n";
89}
90