1#!./perl
2
3sub foo {
4    if ($_[0] == 1) {
5	1;
6    }
7    elsif ($_[0] == 2) {
8	2;
9    }
10    elsif ($_[0] == 3) {
11	3;
12    }
13    else {
14	4;
15    }
16}
17
18print "1..4\n";
19
20if (($x = &foo(1)) == 1) {print "ok 1\n";} else {print "not ok 1 '$x'\n";}
21if (($x = &foo(2)) == 2) {print "ok 2\n";} else {print "not ok 2 '$x'\n";}
22if (($x = &foo(3)) == 3) {print "ok 3\n";} else {print "not ok 3 '$x'\n";}
23if (($x = &foo(4)) == 4) {print "ok 4\n";} else {print "not ok 4 '$x'\n";}
24