xref: /openbsd-src/gnu/usr.bin/perl/t/op/select.t (revision f2da64fbbbf1b03f09f390ab01267c93dfd77c4c)
1#!./perl
2
3BEGIN {
4    chdir 't';
5    require './test.pl';
6}
7
8plan reverse 9;
9
10
11open my $fh, "test.pl" or die "$0 unfortunately cannot open test.pl: $!";
12
13is select, 'main::STDOUT', 'select retval';
14is select($fh), 'main::STDOUT', 'select retval when called with argument';
15ok ref select, 'select returns ref for glob generated by open';
16is select, $fh, 'the ref returned references the right referent';
17is select(STDOUT), $fh, 'select previous ref when setting to bareword';
18is select, 'main::STDOUT', 'switching back to STDOUT';
19is ref\select, 'SCALAR', 'and STDOUT is a plain string';
20
21open foo::bar, "test.pl" or die "$0 sadly cannot open test.pl: $!";
22select foo::bar;
23$handle = \*foo::bar;
24$stash = \%foo::;
25*foo:: = *bar::;
26is select, $handle,
27    'select returns ref for glob whose stash has been detached';
28
29open thwat::snin, "test.pl" or die "$0 is unable to open test.pl: $!";
30select thwat::snin;
31$handle = \*thwat::snin;
32*thwat:: = *snin::; # gv is now *__ANON__::snin
33is select, $handle,
34    'select returns ref for glob with no stash pointer';
35