-#!perl -T
+#!perl
use strict;
use warnings;
-use Test::More tests => 1;
+use Test::More tests => 4 * 8 + 10 + 1 + 1;
-use Variable::Magic qw/wizard cast getdata/;
+use Variable::Magic qw<wizard cast VMG_UVAR>;
-# Inspired by B::Hooks::EndOfScope
-# This test is better be left at the beginning of the file, since problems
-# happen at UNITCHECK time
+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;
-BEGIN {
- $wiz = wizard data => sub { $_[1] }, free => sub { $_[1]->(); () };
+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 "harmless" };
+ 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, $PATH) = @ENV{qw<SystemRoot PATH>};
+ local %ENV;
+ $ENV{SystemRoot} = $SystemRoot if $^O eq 'MSWin32' and defined $SystemRoot;
+ $ENV{PATH} = $PATH if $^O eq 'cygwin' and defined $PATH;
+
+ system { $^X } $^X, '-T', map("-I$_", @INC), '-e', $code;
+}
+
+my $has_capture_tiny = do {
+ local $@;
+ eval 'use Capture::Tiny 0.08 (); 1'
+};
+if ($has_capture_tiny) {
+ my $output = Capture::Tiny::capture_merged(sub { run_perl <<' CODE' });
+print STDOUT "pants\n";
+print STDERR "trousers\n";
+ CODE
+ unless (defined $output and $output =~ /pants/ and $output =~ /trousers/) {
+ $has_capture_tiny = 0;
+ }
+}
+if ($has_capture_tiny) {
+ defined and diag "Using Capture::Tiny $_" for $Capture::Tiny::VERSION;
+}
+
+SKIP:
+{
+ my $count = 1;
+
+ skip 'No working Capture::Tiny is 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' => $count unless defined $output;
+ like $output, expect('cucumber', '-e', "\nExecution(?s:.*)"),
+ 'die in free callback at compile time and not in eval string';
+ --$count;
}
-pass 'die in free callback in BEGIN didn\'t segfault';
+# Uvar
+
+SKIP:
+{
+ my $count = 1;
+
+ skip 'No nice uvar magic for this perl' => $count unless VMG_UVAR;
+ skip 'No working Capture::Tiny is 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[raddish] } } hlagh()
+ CODE
+ skip 'Test code didn\'t run properly' => $count unless defined $output;
+ like $output, qr/^(?:raddish at -e line \d+\.\n)+Execution(?s:.*)/,
+ 'die in free callback at compile time and not in eval string';
+ --$count;
+}
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