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#!./perl
BEGIN {
chdir 't' if -d 't';
require './test.pl';
set_up_inc('../lib');
}
use strict;
plan 28;
sub context {
local $::Level = $::Level + 1;
my ( $cona, $name ) = @_;
my $conb = (defined wantarray) ? ( wantarray ? 'A' : 'S' ) : 'V';
is $conb, $cona, $name;
}
context('V');
my $a = context('S');
my @a = context('A');
scalar context('S');
$a = scalar context('S');
($a) = context('A');
($a) = scalar context('S');
{
# [ID 20020626.011 (#9998)] incorrect wantarray optimisation
sub simple { wantarray ? 1 : 2 }
sub inline {
my $a = wantarray ? simple() : simple();
$a;
}
my @b = inline();
my $c = inline();
is @b, 1;
is "@b", "2";
is $c, 2;
}
my $q;
my $qcontext = q{
$q = (defined wantarray) ? ( wantarray ? 'A' : 'S' ) : 'V';
};
eval $qcontext;
is $q, 'V';
$a = eval $qcontext;
is $q, 'S';
@a = eval $qcontext;
is $q, 'A';
# Test with various ops that the right context is used at the end of a sub-
# routine (run-time context).
$::t = 1;
$::f = 0;
$::u = undef;
sub or_context { $::f || context(shift, "rhs of || at sub exit") }
or_context('V');
$_ = or_context('S');
() = or_context('A');
sub and_context { $::t && context(shift, "rhs of && at sub exit") }
and_context('V');
$_ = and_context('S');
() = and_context('A');
sub dor_context { $::u // context(shift, "rhs of // at sub exit") }
dor_context('V');
$_ = dor_context('S');
() = dor_context('A');
sub cond_middle_cx { $::t ? context(shift, "mid of ?: at sub exit") : 0 }
cond_middle_cx('V');
$_ = cond_middle_cx('S');
() = cond_middle_cx('A');
sub cond_rhs_cx { $::f ? 0 : context(shift, "rhs of ?: at sub exit") }
cond_rhs_cx('V');
$_ = cond_rhs_cx('S');
() = cond_rhs_cx('A');
1;
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