376 lines
8.2 KiB
Perl
376 lines
8.2 KiB
Perl
#!perl
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use strict;
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use warnings;
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use Test::More tests => 4 * 8 + 4 * (2 * 6 + 1) + 10 + 1 + 1;
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use lib 't/lib';
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use VPIT::TestHelpers 'capture';
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use Variable::Magic qw<wizard cast VMG_UVAR>;
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sub expect {
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my ($name, $where, $suffix) = @_;
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$where = defined $where ? quotemeta $where : '\(eval \d+\)';
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my $end = defined $suffix ? "$suffix\$" : '$';
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qr/^\Q$name\E at $where line \d+\.$end/
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}
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my @scalar_tests = (
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[ 'data', sub { \(my $x) }, sub { } ],
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[ 'get', sub { \(my $x) }, sub { my $y = ${$_[0]} } ],
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[ 'set', sub { \(my $x) }, sub { ${$_[0]} = 1 } ],
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[ 'len', sub { [ 1 .. 3 ] }, sub { my $res = @{$_[0]} } ],
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);
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# Data, get, set, len
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for my $t (@scalar_tests) {
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my ($name, $init, $code) = @$t;
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my $wiz = wizard $name => sub { die 'leek' };
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{
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local $@;
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eval {
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my $x = $init->();
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&cast($x, $wiz);
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$code->($x);
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};
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like $@, expect('leek', $0),
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"die in $name callback (direct, \$@ unset) in eval";
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}
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{
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local $@;
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eval {
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my $x = $init->();
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&cast($x, $wiz);
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$@ = 'artichoke';
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$code->($x);
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};
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like $@, expect('leek', $0),
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"die in $name callback (direct, \$@ set) in eval";
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}
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{
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local $@;
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eval q{BEGIN {
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my $x = $init->();
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&cast($x, $wiz);
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$code->($x);
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}};
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like $@, expect('leek', $0, "\nBEGIN.*"),
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"die in $name callback (direct, \$@ unset) in BEGIN";
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}
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{
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local $@;
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eval q{BEGIN {
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my $x = $init->();
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&cast($x, $wiz);
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$@ = 'artichoke';
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$code->($x);
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}};
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like $@, expect('leek', $0, "\nBEGIN.*"),
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"die in $name callback (direct, \$@ set) in BEGIN";
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}
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$wiz = wizard(
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($name eq 'data' ? () : (data => sub { $_[1] })),
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$name => sub { $_[1]->(); () },
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);
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{
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local $@;
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eval {
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my $x = $init->();
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&cast($x, $wiz, sub { die 'lettuce' });
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$code->($x);
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};
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like $@, expect('lettuce', $0),
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"die in $name callback (indirect, \$@ unset) in eval";
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}
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{
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local $@;
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eval {
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my $x = $init->();
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&cast($x, $wiz, sub { die 'carrot' });
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$@ = 'artichoke';
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$code->($x);
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};
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like $@, expect('carrot', $0),
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"die in $name callback (indirect, \$@ unset) in eval";
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}
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{
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local $@;
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eval q{BEGIN {
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my $x = $init->();
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&cast($x, $wiz, sub { die "pumpkin" });
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$code->($x);
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}};
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like $@, expect('pumpkin', undef, "\nBEGIN.*"),
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"die in $name callback (indirect, \$@ unset) in BEGIN";
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}
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{
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local $@;
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eval q{BEGIN {
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my $x = $init->();
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&cast($x, $wiz, sub { die "chard" });
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$@ = 'artichoke';
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$code->($x);
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}};
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like $@, expect('chard', undef, "\nBEGIN.*"),
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"die in $name callback (indirect, \$@ set) in BEGIN";
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}
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}
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# Free
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{
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my $wiz = wizard free => sub { die 'avocado' };
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my $check = sub { like $@, expect('avocado', $0), $_[0] };
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for my $local_out (0, 1) {
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for my $local_in (0, 1) {
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my $desc = "die in free callback";
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if ($local_in or $local_out) {
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$desc .= ' with $@ localized ';
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if ($local_in and $local_out) {
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$desc .= 'inside and outside';
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} elsif ($local_in) {
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$desc .= 'inside';
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} else {
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$desc .= 'outside';
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}
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}
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local $@ = $local_out ? 'xxx' : undef;
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eval {
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local $@ = 'yyy' if $local_in;
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my $x;
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cast $x, $wiz;
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};
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$check->("$desc at eval BLOCK 1a");
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local $@ = $local_out ? 'xxx' : undef;
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eval q{
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local $@ = 'yyy' if $local_in;
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my $x;
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cast $x, $wiz;
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};
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$check->("$desc at eval STRING 1a");
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local $@ = $local_out ? 'xxx' : undef;
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eval {
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my $x;
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local $@ = 'yyy' if $local_in;
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cast $x, $wiz;
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};
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$check->("$desc at eval BLOCK 1b");
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local $@ = $local_out ? 'xxx' : undef;
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eval q{
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my $x;
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local $@ = 'yyy' if $local_in;
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cast $x, $wiz;
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};
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$check->("$desc at eval STRING 1b");
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local $@ = $local_out ? 'xxx' : undef;
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eval {
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local $@ = 'yyy' if $local_in;
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my $x;
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my $y = \$x;
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&cast($y, $wiz);
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};
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$check->("$desc at eval BLOCK 2a");
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local $@ = $local_out ? 'xxx' : undef;
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eval q{
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local $@ = 'yyy' if $local_in;
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my $x;
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my $y = \$x;
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&cast($y, $wiz);
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};
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$check->("$desc at eval STRING 2a");
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local $@ = $local_out ? 'xxx' : undef;
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eval {
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my $x;
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my $y = \$x;
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local $@ = 'yyy' if $local_in;
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&cast($y, $wiz);
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};
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$check->("$desc at eval BLOCK 2b");
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local $@ = $local_out ? 'xxx' : undef;
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eval q{
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my $x;
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my $y = \$x;
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local $@ = 'yyy' if $local_in;
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&cast($y, $wiz);
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};
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$check->("$desc at eval STRING 2b");
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local $@ = $local_out ? 'xxx' : undef;
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eval {
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local $@ = 'yyy' if $local_in;
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my $x;
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cast $x, $wiz;
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my $y = 1;
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};
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$check->("$desc at eval BLOCK 3");
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local $@ = $local_out ? 'xxx' : undef;
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eval q{
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local $@ = 'yyy' if $local_in;
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my $x;
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cast $x, $wiz;
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my $y = 1;
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};
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$check->("$desc at eval STRING 3");
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local $@ = $local_out ? 'xxx' : undef;
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eval {
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local $@ = 'yyy' if $local_in;
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{
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my $x;
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cast $x, $wiz;
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}
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};
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$check->("$desc at block in eval BLOCK");
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local $@ = $local_out ? 'xxx' : undef;
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eval q{
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local $@ = 'yyy' if $local_in;
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{
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my $x;
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cast $x, $wiz;
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}
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};
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$check->("$desc at block in eval STRING");
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ok defined($desc), "$desc did not over-unwind the save stack";
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}
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}
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}
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my $wiz;
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eval {
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$wiz = wizard data => sub { $_[1] },
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free => sub { $_[1]->(); () };
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my $x;
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cast $x, $wiz, sub { die "spinach" };
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};
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like $@, expect('spinach', $0), 'die in sub in free callback';
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eval {
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$wiz = wizard free => sub { die 'zucchini' };
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$@ = "";
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{
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my $x;
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cast $x, $wiz;
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}
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die 'not reached';
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};
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like $@, expect('zucchini', $0),
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'die in free callback in block in eval with $@ unset';
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eval {
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$wiz = wizard free => sub { die 'eggplant' };
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$@ = "artichoke";
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{
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my $x;
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cast $x, $wiz;
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}
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die 'not reached again';
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};
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like $@, expect('eggplant', $0),
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'die in free callback in block in eval with $@ set';
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eval q{BEGIN {
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$wiz = wizard free => sub { die 'onion' };
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my $x;
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cast $x, $wiz;
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}};
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like $@, expect('onion', undef, "\nBEGIN.*"), 'die in free callback in BEGIN';
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eval q{BEGIN {
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$wiz = wizard data => sub { $_[1] },
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len => sub { $_[1]->(); $_[2] },
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free => sub { my $x = @{$_[0]}; () };
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my @a = (1 .. 5);
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cast @a, $wiz, sub { die "pepperoni" };
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}};
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like $@, expect('pepperoni', undef, "\nBEGIN.*"),
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'die in free callback in len callback in BEGIN';
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# Inspired by B::Hooks::EndOfScope
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eval q{BEGIN {
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$wiz = wizard data => sub { $_[1] },
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free => sub { $_[1]->(); () };
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$^H |= 0x020000;
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cast %^H, $wiz, sub { die 'cabbage' };
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}};
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like $@, expect('cabbage'), 'die in free callback at end of scope';
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use lib 't/lib';
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my $vm_tse_file = 't/lib/Variable/Magic/TestScopeEnd.pm';
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eval "use Variable::Magic::TestScopeEnd";
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like $@, expect('turnip', $vm_tse_file, "\nBEGIN(?s:.*)"),
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'die in BEGIN in require in eval string triggers hints hash destructor';
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eval q{BEGIN {
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Variable::Magic::TestScopeEnd::hook {
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pass 'in hints hash destructor 2';
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};
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die "tomato";
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}};
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like $@, expect('tomato', undef, "\nBEGIN.*"),
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'die in BEGIN in eval triggers hints hash destructor';
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SKIP: {
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my $count = 1;
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my ($stat, $out, $err) = capture_perl <<' CODE';
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use Variable::Magic qw<wizard cast>; { BEGIN { $^H |= 0x020000; cast %^H, wizard free => sub { die q[cucumber] } } }
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CODE
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skip CAPTURE_PERL_FAILED($out) => $count unless defined $stat;
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like $err, expect('cucumber', '-e', "\nExecution(?s:.*)"),
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'die in free callback at compile time and not in eval string';
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--$count;
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}
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# Uvar
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SKIP:
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{
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my $count = 1;
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skip 'No nice uvar magic for this perl' => $count unless VMG_UVAR;
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my ($stat, $out, $err) = capture_perl <<' CODE';
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use Variable::Magic qw<wizard cast>; BEGIN { cast %derp::, wizard fetch => sub { die q[raddish] } } derp::hlagh()
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CODE
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skip CAPTURE_PERL_FAILED($out) => $count unless defined $stat;
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like $err, expect('raddish', '-e', "\nExecution(?s:.*)"),
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'die in free callback at compile time and not in eval string';
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--$count;
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}
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