Small optimisations, by Brandon Black

[p5sagit/p5-mst-13.2.git] / t / op / stash.t

#!./perl

BEGIN {
    chdir 't' if -d 't';
    @INC = qw(../lib);
}

BEGIN { require "./test.pl"; }

plan( tests => 13 );

# Used to segfault (bug #15479)
fresh_perl_is(
    '%:: = ""',
    'Odd number of elements in hash assignment at - line 1.',
    { switches => [ '-w' ] },
    'delete $::{STDERR} and print a warning',
);

# Used to segfault
fresh_perl_is(
    'BEGIN { $::{"X::"} = 2 }',
    '',
    { switches => [ '-w' ] },
    q(Insert a non-GV in a stash, under warnings 'once'),
);

ok( !defined %oedipa::maas::, q(stashes aren't defined if not used) );
ok( !defined %{"oedipa::maas::"}, q(- work with hard refs too) );

ok( defined %tyrone::slothrop::, q(stashes are defined if seen at compile time) );
ok( defined %{"tyrone::slothrop::"}, q(- work with hard refs too) );

ok( defined %bongo::shaftsbury::, q(stashes are defined if a var is seen at compile time) );
ok( defined %{"bongo::shaftsbury::"}, q(- work with hard refs too) );

package tyrone::slothrop;
$bongo::shaftsbury::scalar = 1;

package main;

# Used to warn
# Unbalanced string table refcount: (1) for "A::" during global destruction.
# for ithreads.
{
    local $ENV{PERL_DESTRUCT_LEVEL} = 2;
    fresh_perl_is(
		  'package A; sub a { // }; %::=""',
		  '',
		  '',
		  );
}

# now tests in eval

ok( !eval  { defined %achtfaden:: },   'works in eval{}' );
ok( !eval q{ defined %schoenmaker:: }, 'works in eval("")' );

# now tests with strictures

use strict;
ok( !defined %pig::, q(referencing a non-existent stash doesn't produce stricture errors) );
ok( !exists $pig::{bodine}, q(referencing a non-existent stash element doesn't produce stricture errors) );