#!perl -T
use strict;
use warnings;
use Test::More tests => 44 + 30;
use Scope::Upper qw<localize UP HERE>;
our ($x, $y);
{
local $x = 1;
{
local $x = 2;
localize '$y' => 1 => HERE;
is $x, 2, 'last 0 [ok - x]';
is $y, 1, 'last 0 [ok - y]';
last;
$y = 2;
}
is $x, 1, 'last 0 [end - x]';
is $y, undef, 'last 0 [end - y]';
}
{
local $x = 1;
LOOP:
{
local $x = 2;
local $y = 0;
{
local $x = 3;
localize '$y' => 1 => UP;
is $x, 3, 'last 1 [ok - x]';
is $y, 0, 'last 1 [ok - y]';
last LOOP;
$y = 3;
}
$y = 2;
}
is $x, 1, 'last 1 [end - x]';
is $y, undef, 'last 1 [end - y]';
}
{
local $x = 1;
{
local $x = 2;
localize '$y' => 1 => HERE;
is $x, 2, 'next 0 [ok - x]';
is $y, 1, 'next 0 [ok - y]';
next;
$y = 2;
}
is $x, 1, 'next 0 [end - x]';
is $y, undef, 'next 0 [end - y]';
}
{
local $x = 1;
LOOP:
{
local $x = 2;
local $y = 0;
{
local $x = 3;
localize '$y' => 1 => UP;
is $x, 3, 'next 1 [ok - x]';
is $y, 0, 'next 1 [ok - y]';
next LOOP;
$y = 3;
}
$y = 2;
}
is $x, 1, 'next 1 [end - x]';
is $y, undef, 'next 1 [end - y]';
}
{
local $x = 1;
{
local $x = 2;
{
localize '$y' => 1 => UP UP;
}
is $x, 2, 'goto 1 [not yet - x]';
is $y, undef, 'goto 1 [not yet - y]';
{
local $x = 3;
goto OVER1;
}
}
$y = 0;
OVER1:
is $x, 1, 'goto 1 [ok - x]';
is $y, 1, 'goto 1 [ok - y]';
}
$y = undef;
{
local $x = 1;
{
local $x = 2;
{
local $x = 3;
{
localize '$y' => 1 => UP UP UP;
}
is $x, 3, 'goto 2 [not yet - x]';
is $y, undef, 'goto 2 [not yet - y]';
{
local $x = 4;
goto OVER2;
}
}
}
$y = 0;
OVER2:
is $x, 1, 'goto 2 [ok - x]';
is $y, 1, 'goto 2 [ok - y]';
}
$y = undef;
{
local $x = 1;
{
eval {
local $x = 2;
{
{
local $x = 3;
localize '$y' => 1 => UP UP UP UP;
is $x, 3, 'die - localize outside eval [not yet 1 - x]';
is $y, undef, 'die - localize outside eval [not yet 1 - y]';
}
is $x, 2, 'die - localize outside eval [not yet 2 - x]';
is $y, undef, 'die - localize outside eval [not yet 2 - y]';
die;
}
};
is $x, 1, 'die - localize outside eval [not yet 3 - x]';
is $y, undef, 'die - localize outside eval [not yet 3 - y]';
} # should trigger here
is $x, 1, 'die - localize outside eval [ok - x]';
is $y, 1, 'die - localize outside eval [ok - y]';
}
$y = undef;
{
local $x = 1;
eval {
local $x = 2;
{
{
local $x = 3;
localize '$y' => 1 => UP UP UP;
is $x, 3, 'die - localize at eval [not yet 1 - x]';
is $y, undef, 'die - localize at eval [not yet 1 - y]';
}
is $x, 2, 'die - localize at eval [not yet 2 - x]';
is $y, undef, 'die - localize at eval [not yet 2 - y]';
die;
}
}; # should trigger here
is $x, 1, 'die - localize at eval [ok - x]';
is $y, 1, 'die - localize at eval [ok - y]';
}
$y = undef;
{
local $x = 1;
eval {
local $x = 2;
{
{
local $x = 3;
localize '$y' => 1 => UP UP;
is $x, 3, 'die - localize inside eval [not yet 1 - x]';
is $y, undef, 'die - localize inside eval [not yet 1 - y]';
}
is $x, 2, 'die - localize inside eval [not yet 2 - x]';
is $y, undef, 'die - localize inside eval [not yet 2 - y]';
die;
} # should trigger here
};
is $x, 1, 'die - localize inside eval [ok - x]';
is $y, undef, 'die - localize inside eval [ok - y]';
}
SKIP:
{
skip 'Perl 5.10 required to test given/when' => 30 if "$]" < 5.010;
eval <<' GIVEN_TEST_1';
BEGIN {
if ("$]" >= 5.017_011) {
require warnings;
warnings->unimport('experimental::smartmatch');
}
}
use feature 'switch';
local $y;
{
local $x = 1;
given (1) {
local $x = 2;
when (1) {
local $x = 3;
localize '$y' => 1 => UP UP;
is $x, 3, 'given/when - localize at given [not yet - x]';
is $y, undef, 'given/when - localize at given [not yet - y]';
}
fail 'not reached';
}
is $x, 1, 'given/when - localize at given [ok - x]';
is $y, 1, 'given/when - localize at given [ok - y]';
}
GIVEN_TEST_1
fail $@ if $@;
eval <<' GIVEN_TEST_2';
BEGIN {
if ("$]" >= 5.017_011) {
require warnings;
warnings->unimport('experimental::smartmatch');
}
}
use feature 'switch';
local $y;
{
local $x = 1;
given (1) {
local $x = 2;
when (1) {
local $x = 3;
localize '$y' => 1 => UP UP;
is $x, 3, 'given/when/continue - localize at given [not yet 1 - x]';
is $y, undef, 'given/when/continue - localize at given [not yet 1 - y]';
continue;
}
is $x, 2, 'given/when/continue - localize at given [not yet 2 - x]';
is $y, undef, 'given/when/continue - localize at given [not yet 2 - y]';
}
is $x, 1, 'given/when/continue - localize at given [ok - x]';
is $y, 1, 'given/when/continue - localize at given [ok - y]';
}
GIVEN_TEST_2
fail $@ if $@;
eval <<' GIVEN_TEST_3';
BEGIN {
if ("$]" >= 5.017_011) {
require warnings;
warnings->unimport('experimental::smartmatch');
}
}
use feature 'switch';
local $y;
{
local $x = 1;
given (1) {
local $x = 2;
default {
local $x = 3;
localize '$y' => 1 => UP UP;
is $x, 3, 'given/default - localize at given [not yet - x]';
is $y, undef, 'given/default - localize at given [not yet - y]';
}
fail 'not reached';
}
is $x, 1, 'given/default - localize at given [ok - x]';
is $y, 1, 'given/default - localize at given [ok - y]';
}
GIVEN_TEST_3
fail $@ if $@;
eval <<' GIVEN_TEST_4';
BEGIN {
if ("$]" >= 5.017_011) {
require warnings;
warnings->unimport('experimental::smartmatch');
}
}
use feature 'switch';
local $y;
{
local $x = 1;
given (1) {
local $x = 2;
default {
local $x = 3;
localize '$y' => 1 => UP UP;
is $x, 3, 'given/default/continue - localize at given [not yet 1 - x]';
is $y, undef, 'given/default/continue - localize at given [not yet 1 - y]';
continue;
}
is $x, 2, 'given/default/continue - localize at given [not yet 2 - x]';
is $y, undef, 'given/default/continue - localize at given [not yet 2 - y]';
}
is $x, 1, 'given/default/continue - localize at given [ok - x]';
is $y, 1, 'given/default/continue - localize at given [ok - y]';
}
GIVEN_TEST_4
fail $@ if $@;
eval <<' GIVEN_TEST_5';
BEGIN {
if ("$]" >= 5.017_011) {
require warnings;
warnings->unimport('experimental::smartmatch');
}
}
use feature 'switch';
local $y;
{
local $x = 1;
given (1) {
local $x = 2;
default {
local $x = 3;
given (2) {
local $x = 4;
when (2) {
local $x = 5;
localize '$y' => 1 => UP UP UP;
is $x, 5, 'given/default/given/when - localize at default [not yet 1 - x]';
is $y, undef, 'given/default/given/when - localize at default [not yet 1 - y]';
continue;
}
is $x, 4, 'given/default/given/when - localize at default [not yet 2 - x]';
is $y, undef, 'given/default/given/when - localize at default [not yet 2 - y]';
}
is $x, 3, 'given/default/given/when - localize at default [not yet 3 - x]';
is $y, undef, 'given/default/given/when - localize at default [not yet 3 - y]';
continue;
}
is $x, 2, 'given/default/given/when - localize at default [ok 1 - x]';
is $y, 1, 'given/default/given/when - localize at default [ok 1 - y]';
}
is $x, 1, 'given/default/given/when - localize at default [ok 2 - x]';
is $y, undef, 'given/default/given/when - localize at default [ok 2 - y]';
}
GIVEN_TEST_5
fail $@ if $@;
}