switch.t revision 1.6 
1#!./perl
2
3# $RCSfile: switch.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:14 $
4
5print "1..18\n";
6
7sub foo1 {
8    $_ = shift(@_);
9    $a = 0;
10    until ($a++) {
11	next if $_ eq 1;
12	next if $_ eq 2;
13	next if $_ eq 3;
14	next if $_ eq 4;
15	return 20;
16    }
17    continue {
18	return $_;
19    }
20}
21
22print do foo1(0) == 20 ? "ok 1\n" : "not ok 1\n";
23print do foo1(1) == 1 ? "ok 2\n" : "not ok 2\n";
24print do foo1(2) == 2 ? "ok 3\n" : "not ok 3\n";
25print do foo1(3) == 3 ? "ok 4\n" : "not ok 4\n";
26print do foo1(4) == 4 ? "ok 5\n" : "not ok 5\n";
27print do foo1(5) == 20 ? "ok 6\n" : "not ok 6\n";
28
29sub foo2 {
30    $_ = shift(@_);
31    {
32	last if $_ == 1;
33	last if $_ == 2;
34	last if $_ == 3;
35	last if $_ == 4;
36    }
37    continue {
38	return 20;
39    }
40    return $_;
41}
42
43print do foo2(0) == 20 ? "ok 7\n" : "not ok 7\n";
44print do foo2(1) == 1 ? "ok 8\n" : "not ok 8\n";
45print do foo2(2) == 2 ? "ok 9\n" : "not ok 9\n";
46print do foo2(3) == 3 ? "ok 10\n" : "not ok 10\n";
47print do foo2(4) == 4 ? "ok 11\n" : "not ok 11\n";
48print do foo2(5) == 20 ? "ok 12\n" : "not ok 12\n";
49
50sub foo3 {
51    $_ = shift(@_);
52    if (/^1/) {
53	return 1;
54    }
55    elsif (/^2/) {
56	return 2;
57    }
58    elsif (/^3/) {
59	return 3;
60    }
61    elsif (/^4/) {
62	return 4;
63    }
64    else {
65	return 20;
66    }
67    return 40;
68}
69
70print do foo3(0) == 20 ? "ok 13\n" : "not ok 13\n";
71print do foo3(1) == 1 ? "ok 14\n" : "not ok 14\n";
72print do foo3(2) == 2 ? "ok 15\n" : "not ok 15\n";
73print do foo3(3) == 3 ? "ok 16\n" : "not ok 16\n";
74print do foo3(4) == 4 ? "ok 17\n" : "not ok 17\n";
75print do foo3(5) == 20 ? "ok 18\n" : "not ok 18\n";
76