#!perl
use strict;
use warnings;
use Test::More tests => 4 * 8 + 10 + 1 + 1;
use Variable::Magic qw/wizard cast VMG_UVAR/;
sub expect {
my ($name, $where, $suffix) = @_;
$where = defined $where ? quotemeta $where : '\(eval \d+\)';
my $end = defined $suffix ? "$suffix\$" : '$';
qr/^\Q$name\E at $where line \d+\.$end/
}
my @scalar_tests = (
[ 'data', sub { \(my $x) }, sub { } ],
[ 'get', sub { \(my $x) }, sub { my $y = ${$_[0]} } ],
[ 'set', sub { \(my $x) }, sub { ${$_[0]} = 1 } ],
[ 'len', sub { [ 1 .. 3 ] }, sub { my $res = @{$_[0]} } ],
);
# Data, get, set, len
for my $t (@scalar_tests) {
my ($name, $init, $code) = @$t;
my $wiz = wizard $name => sub { die 'leek' };
{
local $@;
eval {
my $x = $init->();
&cast($x, $wiz);
$code->($x);
};
like $@, expect('leek', $0),
"die in $name callback (direct, \$@ unset) in eval";
}
{
local $@;
eval {
my $x = $init->();
&cast($x, $wiz);
$@ = 'artichoke';
$code->($x);
};
like $@, expect('leek', $0),
"die in $name callback (direct, \$@ set) in eval";
}
{
local $@;
eval q{BEGIN {
my $x = $init->();
&cast($x, $wiz);
$code->($x);
}};
like $@, expect('leek', $0, "\nBEGIN.*"),
"die in $name callback (direct, \$@ unset) in BEGIN";
}
{
local $@;
eval q{BEGIN {
my $x = $init->();
&cast($x, $wiz);
$@ = 'artichoke';
$code->($x);
}};
like $@, expect('leek', $0, "\nBEGIN.*"),
"die in $name callback (direct, \$@ set) in BEGIN";
}
$wiz = wizard(
($name eq 'data' ? () : (data => sub { $_[1] })),
$name => sub { $_[1]->(); () },
);
{
local $@;
eval {
my $x = $init->();
&cast($x, $wiz, sub { die 'lettuce' });
$code->($x);
};
like $@, expect('lettuce', $0),
"die in $name callback (indirect, \$@ unset) in eval";
}
{
local $@;
eval {
my $x = $init->();
&cast($x, $wiz, sub { die 'carrot' });
$@ = 'artichoke';
$code->($x);
};
like $@, expect('carrot', $0),
"die in $name callback (indirect, \$@ unset) in eval";
}
{
local $@;
eval q{BEGIN {
my $x = $init->();
&cast($x, $wiz, sub { die "pumpkin" });
$code->($x);
}};
like $@, expect('pumpkin', undef, "\nBEGIN.*"),
"die in $name callback (indirect, \$@ unset) in BEGIN";
}
{
local $@;
eval q{BEGIN {
my $x = $init->();
&cast($x, $wiz, sub { die "chard" });
$@ = 'artichoke';
$code->($x);
}};
like $@, expect('chard', undef, "\nBEGIN.*"),
"die in $name callback (indirect, \$@ set) in BEGIN";
}
}
# Free
my $wiz;
eval {
$wiz = wizard data => sub { $_[1] },
free => sub { $_[1]->(); () };
my $x;
cast $x, $wiz, sub { die "spinach" };
};
like $@, expect('spinach', $0), 'die in free callback';
eval {
$wiz = wizard free => sub { die 'zucchini' };
$@ = "";
{
my $x;
cast $x, $wiz;
}
die 'not reached';
};
like $@, expect('zucchini', $0),
'die in free callback in block in eval with $@ unset';
eval {
$wiz = wizard free => sub { die 'eggplant' };
$@ = "artichoke";
{
my $x;
cast $x, $wiz;
}
die 'not reached again';
};
like $@, expect('eggplant', $0),
'die in free callback in block in eval with $@ set';
eval q{BEGIN {
$wiz = wizard free => sub { die 'onion' };
my $x;
cast $x, $wiz;
}};
like $@, expect('onion', undef, "\nBEGIN.*"), 'die in free callback in BEGIN';
eval q{BEGIN {
$wiz = wizard data => sub { $_[1] },
len => sub { $_[1]->(); $_[2] },
free => sub { my $x = @{$_[0]}; () };
my @a = (1 .. 5);
cast @a, $wiz, sub { die "pepperoni" };
}};
like $@, expect('pepperoni', undef, "\nBEGIN.*"),
'die in free callback in len callback in BEGIN';
# Inspired by B::Hooks::EndOfScope
eval q{BEGIN {
$wiz = wizard data => sub { $_[1] },
free => sub { $_[1]->(); () };
$^H |= 0x020000;
cast %^H, $wiz, sub { die 'cabbage' };
}};
like $@, expect('cabbage'), 'die in free callback at end of scope';
use lib 't/lib';
my $vm_tse_file = 't/lib/Variable/Magic/TestScopeEnd.pm';
eval "use Variable::Magic::TestScopeEnd";
like $@, expect('turnip', $vm_tse_file, "\nBEGIN(?s:.*)"),
'die in BEGIN in require in eval string triggers hints hash destructor';
eval q{BEGIN {
Variable::Magic::TestScopeEnd::hook {
pass 'in hints hash destructor 2';
};
die "tomato";
}};
like $@, expect('tomato', undef, "\nBEGIN.*"),
'die in BEGIN in eval triggers hints hash destructor';
sub run_perl {
my $code = shift;
my $SystemRoot = $ENV{SystemRoot};
local %ENV;
$ENV{SystemRoot} = $SystemRoot if $^O eq 'MSWin32' and defined $SystemRoot;
system { $^X } $^X, '-T', map("-I$_", @INC), '-e', $code;
}
my $has_capture_tiny = do { local $@; eval 'use Capture::Tiny 0.08 (); 1' };
SKIP:
{
my $count = 1;
skip 'Capture::Tiny 0.08 is not installed' => $count unless $has_capture_tiny;
my $output = Capture::Tiny::capture_merged(sub { run_perl <<' CODE' });
use Variable::Magic qw/wizard cast/; { BEGIN { $^H |= 0x020000; cast %^H, wizard free => sub { die q[cucumber] } } }
CODE
skip 'Test code didn\'t run properly' => 1 unless defined $output;
like $output, expect('cucumber', '-e', "\nExecution(?s:.*)"),
'die in free callback at compile time and not in eval string';
--$count;
}
# Uvar
SKIP:
{
my $count = 1;
skip 'No nice uvar magic for this perl' => $count unless VMG_UVAR;
skip 'Capture::Tiny 0.08 is not installed' => $count unless $has_capture_tiny;
my $output = Capture::Tiny::capture_merged(sub { run_perl <<' CODE' });
use Variable::Magic qw/wizard cast/; BEGIN { cast %::, wizard fetch => sub { die q[salsify] } } hlagh()
CODE
skip 'Test code didn\'t run properly' => $count unless defined $output;
my $suffix = "\nExecution(?s:.*)";
if ($] >= 5.011005) {
$suffix = "(?:\nsalsify at -e line \\d+.){12}" . $suffix;
} elsif ($] >= 5.011) {
$suffix = "(?:\nsalsify at -e line \\d+.){3}" . $suffix;
}
like $output, expect('salsify', '-e', $suffix),
'die in free callback at compile time and not in eval string';
--$count;
}