use Test::More tests => 6 * 3 * 260;
-sub testcase {
- my ($var, $init, $code, $exp, $use, $global) = @_;
- my $decl = $global ? "our $var; local $var;" : "my $var;";
- my $test = $var =~ /^[@%]/ ? "\\$var" : $var;
- return <<TESTCASE;
-my \@exp = ($exp);
-$decl
-$init
-my \$res = eval {
- local \$SIG{__WARN__} = sub { die join '', 'warn:', \@_ };
- $use
- $code
-};
-if (ref \$exp[0]) {
- like \$@, \$exp[0], \$desc . ' [exception]';
-} else {
- is \$@, \$exp[0], \$desc . ' [exception]';
-}
-is_deeply \$res, \$exp[1], \$desc . ' [return]';
-is_deeply $test, \$exp[2], \$desc . ' [variable]';
-TESTCASE
-}
+use lib 't/lib';
+use autovivification::TestCases;
while (<DATA>) {
1 while chomp;
next unless /#/;
- my @chunks = split /#+/, "$_ ";
- s/^\s+//, s/\s+$// for @chunks;
- my ($init, $code, $exp, $opts) = @chunks;
- (my $var = $init) =~ s/[^\$@%\w].*//;
- $init = $var eq $init ? '' : "$init;";
- my $use;
- if ($opts) {
- for (split ' ', $opts) {
- my $no = 1;
- $no = 0 if s/^([-+])// and $1 eq '-';
- $use .= ($no ? 'no' : 'use') . " autovivification '$_';"
- }
- } elsif (defined $opts) {
- $opts = 'empty';
- $use = 'no autovivification;';
- } else {
- $opts = 'default';
- $use = '';
- }
- my @testcases = (
- [ $var, $init, $code, $exp, $use, 0 ],
- [ $var, "use strict; $init", $code, $exp, $use, 1 ],
- [ $var, "no strict; $init", $code, $exp, $use, 1 ],
- );
- my @extra;
- for (@testcases) {
- my $var = $_->[0];
- if ($var =~ /\$/) {
- my @new = @$_;
- $new[0] =~ s/^$/@/;
- $new[1] =~ s/$var\->/$var/g;
- $new[2] =~ s/$var\->/$var/g;
- push @extra, \@new;
- }
- }
- push @testcases, @extra;
- for (@testcases) {
- my $testcase = testcase(@$_);
- my ($var, $init, $code) = @$_;
- my $desc = do { (my $x = "$var | $init") =~ s,;\s+$,,; $x } . " | $code | $opts";
- eval $testcase;
- diag "== This testcase failed to compile ==\n$testcase\n## Reason: $@" if $@;
- }
+ testcase_ok($_, '@');
}
__DATA__
-
---- fetch ---
-
-$x # $x->[0] # '', undef, [ ]
-$x # $x->[0] # '', undef, undef #
-$x # $x->[0] # '', undef, undef # +fetch
-$x # $x->[0] # '', undef, [ ] # +exists
-$x # $x->[0] # '', undef, [ ] # +delete
-$x # $x->[0] # '', undef, [ ] # +store
-
-$x # $x->[0] # qr/^Reference vivification forbidden/, undef, undef # +strict +fetch
-$x # $x->[0] # '', undef, [ ] # +strict +exists
-$x # $x->[0] # '', undef, [ ] # +strict +delete
-$x # $x->[0] # '', undef, [ ] # +strict +store
-
-$x # $x->[0]->[1] # '', undef, [ [ ] ]
-$x # $x->[0]->[1] # '', undef, undef #
-$x # $x->[0]->[1] # '', undef, undef # +fetch
-$x # $x->[0]->[1] # '', undef, [ [ ] ] # +exists
-$x # $x->[0]->[1] # '', undef, [ [ ] ] # +delete
-$x # $x->[0]->[1] # '', undef, [ [ ] ] # +store
-
-$x # $x->[0]->[1] # qr/^Reference vivification forbidden/, undef, undef # +strict +fetch
-$x # $x->[0]->[1] # '', undef, [ [ ] ] # +strict +exists
-$x # $x->[0]->[1] # '', undef, [ [ ] ] # +strict +delete
-$x # $x->[0]->[1] # '', undef, [ [ ] ] # +strict +store
-
-$x->[0] = 1 # $x->[0] # '', 1, [ 1 ] # +fetch
-$x->[0] = 1 # $x->[1] # '', undef, [ 1 ] # +fetch
-$x->[0] = 1 # $x->[0] # '', 1, [ 1 ] # +exists
-$x->[0] = 1 # $x->[1] # '', undef, [ 1 ] # +exists
-$x->[0] = 1 # $x->[0] # '', 1, [ 1 ] # +delete
-$x->[0] = 1 # $x->[1] # '', undef, [ 1 ] # +delete
-$x->[0] = 1 # $x->[0] # '', 1, [ 1 ] # +store
-$x->[0] = 1 # $x->[1] # '', undef, [ 1 ] # +store
-
-$x->[0] = 1 # $x->[0] # '', 1, [ 1 ] # +strict +fetch
-$x->[0] = 1 # $x->[1] # '', undef, [ 1 ] # +strict +fetch
-$x->[0] = 1 # $x->[0] # '', 1, [ 1 ] # +strict +exists
-$x->[0] = 1 # $x->[1] # '', undef, [ 1 ] # +strict +exists
-$x->[0] = 1 # $x->[0] # '', 1, [ 1 ] # +strict +delete
-$x->[0] = 1 # $x->[1] # '', undef, [ 1 ] # +strict +delete
-$x->[0] = 1 # $x->[0] # '', 1, [ 1 ] # +strict +store
-$x->[0] = 1 # $x->[1] # '', undef, [ 1 ] # +strict +store
-
-$x->[0]->[1] = 1 # $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +fetch
-$x->[0]->[1] = 1 # $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +fetch
-$x->[0]->[1] = 1 # $x->[2]->[3] # '', undef, [ [ undef, 1 ] ] # +fetch
-$x->[0]->[1] = 1 # $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +exists
-$x->[0]->[1] = 1 # $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +exists
-$x->[0]->[1] = 1 # $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +exists
-$x->[0]->[1] = 1 # $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +delete
-$x->[0]->[1] = 1 # $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +delete
-$x->[0]->[1] = 1 # $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +delete
-$x->[0]->[1] = 1 # $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +store
-$x->[0]->[1] = 1 # $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +store
-$x->[0]->[1] = 1 # $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +store
-
-$x->[0]->[1] = 1 # $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +strict +fetch
-$x->[0]->[1] = 1 # $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +strict +fetch
-$x->[0]->[1] = 1 # $x->[2]->[3] # qr/^Reference vivification forbidden/, undef, [ [ undef, 1 ] ] # +strict +fetch
-$x->[0]->[1] = 1 # $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +strict +exists
-$x->[0]->[1] = 1 # $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +strict +exists
-$x->[0]->[1] = 1 # $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +strict +exists
-$x->[0]->[1] = 1 # $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +strict +delete
-$x->[0]->[1] = 1 # $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +strict +delete
-$x->[0]->[1] = 1 # $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +strict +delete
-$x->[0]->[1] = 1 # $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +strict +store
-$x->[0]->[1] = 1 # $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +strict +store
-$x->[0]->[1] = 1 # $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +strict +store
-
---- aliasing ---
-
-$x # 1 for $x->[0]; () # '', undef, [ undef ]
-$x # 1 for $x->[0]; () # '', undef, undef #
-$x # 1 for $x->[0]; () # '', undef, undef # +fetch
-$x # 1 for $x->[0]; () # '', undef, [ undef ] # +exists
-$x # 1 for $x->[0]; () # '', undef, [ undef ] # +delete
-$x # 1 for $x->[0]; () # '', undef, [ undef ] # +store
-
-$x # $_ = 1 for $x->[0]; () # '', undef, [ 1 ]
-$x # $_ = 1 for $x->[0]; () # '', undef, undef #
-$x # $_ = 1 for $x->[0]; () # '', undef, undef # +fetch
-$x # $_ = 1 for $x->[0]; () # '', undef, [ 1 ] # +exists
-$x # $_ = 1 for $x->[0]; () # '', undef, [ 1 ] # +delete
-$x # $_ = 1 for $x->[0]; () # '', undef, [ 1 ] # +store
-
-$x->[0] = 1 # 1 for $x->[0]; () # '', undef, [ 1 ] # +fetch
-$x->[0] = 1 # 1 for $x->[1]; () # '', undef, [ 1, undef ] # +fetch
-$x->[0] = 1 # 1 for $x->[0]; () # '', undef, [ 1 ] # +exists
-$x->[0] = 1 # 1 for $x->[1]; () # '', undef, [ 1, undef ] # +exists
-$x->[0] = 1 # 1 for $x->[0]; () # '', undef, [ 1 ] # +delete
-$x->[0] = 1 # 1 for $x->[1]; () # '', undef, [ 1, undef ] # +delete
-$x->[0] = 1 # 1 for $x->[0]; () # '', undef, [ 1 ] # +store
-$x->[0] = 1 # 1 for $x->[1]; () # '', undef, [ 1, undef ] # +store
-
---- exists ---
-
-$x # exists $x->[0] # '', '', [ ]
-$x # exists $x->[0] # '', '', undef #
-$x # exists $x->[0] # '', '', [ ] # +fetch
-$x # exists $x->[0] # '', '', undef # +exists
-$x # exists $x->[0] # '', '', [ ] # +delete
-$x # exists $x->[0] # '', '', [ ] # +store
-
-$x # exists $x->[0] # '', '', [ ] # +strict +fetch
-$x # exists $x->[0] # qr/^Reference vivification forbidden/, undef, undef # +strict +exists
-$x # exists $x->[0] # '', '', [ ] # +strict +delete
-$x # exists $x->[0] # '', '', [ ] # +strict +store
-
-$x # exists $x->[0]->[1] # '', '', [ [ ] ]
-$x # exists $x->[0]->[1] # '', '', undef #
-$x # exists $x->[0]->[1] # '', '', [ [ ] ] # +fetch
-$x # exists $x->[0]->[1] # '', '', undef # +exists
-$x # exists $x->[0]->[1] # '', '', [ [ ] ] # +delete
-$x # exists $x->[0]->[1] # '', '', [ [ ] ] # +store
-
-$x # exists $x->[0]->[1] # '', '', [ [ ] ] # +strict +fetch
-$x # exists $x->[0]->[1] # qr/^Reference vivification forbidden/, undef, undef # +strict +exists
-$x # exists $x->[0]->[1] # '', '', [ [ ] ] # +strict +delete
-$x # exists $x->[0]->[1] # '', '', [ [ ] ] # +strict +store
-
-$x->[0] = 1 # exists $x->[0] # '', 1, [ 1 ] # +fetch
-$x->[0] = 1 # exists $x->[1] # '', '', [ 1 ] # +fetch
-$x->[0] = 1 # exists $x->[0] # '', 1, [ 1 ] # +exists
-$x->[0] = 1 # exists $x->[1] # '', '', [ 1 ] # +exists
-$x->[0] = 1 # exists $x->[0] # '', 1, [ 1 ] # +delete
-$x->[0] = 1 # exists $x->[1] # '', '', [ 1 ] # +delete
-$x->[0] = 1 # exists $x->[0] # '', 1, [ 1 ] # +store
-$x->[0] = 1 # exists $x->[1] # '', '', [ 1 ] # +store
-
-$x->[0] = 1 # exists $x->[0] # '', 1, [ 1 ] # +strict +fetch
-$x->[0] = 1 # exists $x->[1] # '', '', [ 1 ] # +strict +fetch
-$x->[0] = 1 # exists $x->[0] # '', 1, [ 1 ] # +strict +exists
-$x->[0] = 1 # exists $x->[1] # '', '', [ 1 ] # +strict +exists
-$x->[0] = 1 # exists $x->[0] # '', 1, [ 1 ] # +strict +delete
-$x->[0] = 1 # exists $x->[1] # '', '', [ 1 ] # +strict +delete
-$x->[0] = 1 # exists $x->[0] # '', 1, [ 1 ] # +strict +store
-$x->[0] = 1 # exists $x->[1] # '', '', [ 1 ] # +strict +store
-
-$x->[0]->[1] = 1 # exists $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +fetch
-$x->[0]->[1] = 1 # exists $x->[0]->[3] # '', '', [ [ undef, 1 ] ] # +fetch
-$x->[0]->[1] = 1 # exists $x->[2]->[3] # '', '', [ [ undef, 1 ], undef, [ ] ] # +fetch
-$x->[0]->[1] = 1 # exists $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +exists
-$x->[0]->[1] = 1 # exists $x->[0]->[3] # '', '', [ [ undef, 1 ] ] # +exists
-$x->[0]->[1] = 1 # exists $x->[2]->[3] # '', '', [ [ undef, 1 ] ] # +exists
-$x->[0]->[1] = 1 # exists $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +delete
-$x->[0]->[1] = 1 # exists $x->[0]->[3] # '', '', [ [ undef, 1 ] ] # +delete
-$x->[0]->[1] = 1 # exists $x->[2]->[3] # '', '', [ [ undef, 1 ], undef, [ ] ] # +delete
-$x->[0]->[1] = 1 # exists $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +store
-$x->[0]->[1] = 1 # exists $x->[0]->[3] # '', '', [ [ undef, 1 ] ] # +store
-$x->[0]->[1] = 1 # exists $x->[2]->[3] # '', '', [ [ undef, 1 ], undef, [ ] ] # +store
-
-$x->[0]->[1] = 1 # exists $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +strict +fetch
-$x->[0]->[1] = 1 # exists $x->[0]->[3] # '', '', [ [ undef, 1 ] ] # +strict +fetch
-$x->[0]->[1] = 1 # exists $x->[2]->[3] # '', '', [ [ undef, 1 ], undef, [ ] ] # +strict +fetch
-$x->[0]->[1] = 1 # exists $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +strict +exists
-$x->[0]->[1] = 1 # exists $x->[0]->[3] # '', '', [ [ undef, 1 ] ] # +strict +exists
-$x->[0]->[1] = 1 # exists $x->[2]->[3] # qr/^Reference vivification forbidden/, undef, [ [ undef, 1 ] ] # +strict +exists
-$x->[0]->[1] = 1 # exists $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +strict +delete
-$x->[0]->[1] = 1 # exists $x->[0]->[3] # '', '', [ [ undef, 1 ] ] # +strict +delete
-$x->[0]->[1] = 1 # exists $x->[2]->[3] # '', '', [ [ undef, 1 ], undef, [ ] ] # +strict +delete
-$x->[0]->[1] = 1 # exists $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +strict +store
-$x->[0]->[1] = 1 # exists $x->[0]->[3] # '', '', [ [ undef, 1 ] ] # +strict +store
-$x->[0]->[1] = 1 # exists $x->[2]->[3] # '', '', [ [ undef, 1 ], undef, [ ] ] # +strict +store
-
---- delete ---
-
-$x # delete $x->[0] # '', undef, [ ]
-$x # delete $x->[0] # '', undef, undef #
-$x # delete $x->[0] # '', undef, [ ] # +fetch
-$x # delete $x->[0] # '', undef, [ ] # +exists
-$x # delete $x->[0] # '', undef, undef # +delete
-$x # delete $x->[0] # '', undef, [ ] # +store
-
-$x # delete $x->[0] # '', undef, [ ] # +strict +fetch
-$x # delete $x->[0] # '', undef, [ ] # +strict +exists
-$x # delete $x->[0] # qr/^Reference vivification forbidden/, undef, undef # +strict +delete
-$x # delete $x->[0] # '', undef, [ ] # +strict +store
-
-$x # delete $x->[0]->[1] # '', undef, [ [ ] ]
-$x # delete $x->[0]->[1] # '', undef, undef #
-$x # delete $x->[0]->[1] # '', undef, [ [ ] ] # +fetch
-$x # delete $x->[0]->[1] # '', undef, [ [ ] ] # +exists
-$x # delete $x->[0]->[1] # '', undef, undef # +delete
-$x # delete $x->[0]->[1] # '', undef, [ [ ] ] # +store
-
-$x # delete $x->[0]->[1] # '', undef, [ [ ] ] # +strict +fetch
-$x # delete $x->[0]->[1] # '', undef, [ [ ] ] # +strict +exists
-$x # delete $x->[0]->[1] # qr/^Reference vivification forbidden/, undef, undef # +strict +delete
-$x # delete $x->[0]->[1] # '', undef, [ [ ] ] # +strict +store
-
-$x->[0] = 1 # delete $x->[0] # '', 1, [ ] # +fetch
-$x->[0] = 1 # delete $x->[1] # '', undef, [ 1 ] # +fetch
-$x->[0] = 1 # delete $x->[0] # '', 1, [ ] # +exists
-$x->[0] = 1 # delete $x->[1] # '', undef, [ 1 ] # +exists
-$x->[0] = 1 # delete $x->[0] # '', 1, [ ] # +delete
-$x->[0] = 1 # delete $x->[1] # '', undef, [ 1 ] # +delete
-$x->[0] = 1 # delete $x->[0] # '', 1, [ ] # +store
-$x->[0] = 1 # delete $x->[1] # '', undef, [ 1 ] # +store
-
-$x->[0] = 1 # delete $x->[0] # '', 1, [ ] # +strict +fetch
-$x->[0] = 1 # delete $x->[1] # '', undef, [ 1 ] # +strict +fetch
-$x->[0] = 1 # delete $x->[0] # '', 1, [ ] # +strict +exists
-$x->[0] = 1 # delete $x->[1] # '', undef, [ 1 ] # +strict +exists
-$x->[0] = 1 # delete $x->[0] # '', 1, [ ] # +strict +delete
-$x->[0] = 1 # delete $x->[1] # '', undef, [ 1 ] # +strict +delete
-$x->[0] = 1 # delete $x->[0] # '', 1, [ ] # +strict +store
-$x->[0] = 1 # delete $x->[1] # '', undef, [ 1 ] # +strict +store
-
-$x->[0]->[1] = 1 # delete $x->[0]->[1] # '', 1, [ [ ] ] # +fetch
-$x->[0]->[1] = 1 # delete $x->[0]->[3] # '', undef, [ [ undef, 1 ] ]# +fetch
-$x->[0]->[1] = 1 # delete $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +fetch
-$x->[0]->[1] = 1 # delete $x->[0]->[1] # '', 1, [ [ ] ] # +exists
-$x->[0]->[1] = 1 # delete $x->[0]->[3] # '', undef, [ [ undef, 1 ] ]# +exists
-$x->[0]->[1] = 1 # delete $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +exists
-$x->[0]->[1] = 1 # delete $x->[0]->[1] # '', 1, [ [ ] ] # +delete
-$x->[0]->[1] = 1 # delete $x->[0]->[3] # '', undef, [ [ undef, 1 ] ]# +delete
-$x->[0]->[1] = 1 # delete $x->[2]->[3] # '', undef, [ [ undef, 1 ] ]# +delete
-$x->[0]->[1] = 1 # delete $x->[0]->[1] # '', 1, [ [ ] ] # +store
-$x->[0]->[1] = 1 # delete $x->[0]->[3] # '', undef, [ [ undef, 1 ] ]# +store
-$x->[0]->[1] = 1 # delete $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +store
-
-$x->[0]->[1] = 1 # delete $x->[0]->[1] # '', 1, [ [ ] ] # +strict +fetch
-$x->[0]->[1] = 1 # delete $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +strict +fetch
-$x->[0]->[1] = 1 # delete $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ]# +strict +fetch
-$x->[0]->[1] = 1 # delete $x->[0]->[1] # '', 1, [ [ ] ] # +strict +exists
-$x->[0]->[1] = 1 # delete $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +strict +exists
-$x->[0]->[1] = 1 # delete $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ]# +strict +exists
-$x->[0]->[1] = 1 # delete $x->[0]->[1] # '', 1, [ [ ] ] # +strict +delete
-$x->[0]->[1] = 1 # delete $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +strict +delete
-$x->[0]->[1] = 1 # delete $x->[2]->[3] # qr/^Reference vivification forbidden/, undef, [ [ undef, 1 ] ] # +strict +delete
-$x->[0]->[1] = 1 # delete $x->[0]->[1] # '', 1, [ [ ] ] # +strict +store
-$x->[0]->[1] = 1 # delete $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +strict +store
-$x->[0]->[1] = 1 # delete $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ]# +strict +store
-
---- store ---
-
-$x # $x->[0] = 1 # '', 1, [ 1 ]
-$x # $x->[0] = 1 # '', 1, [ 1 ] #
-$x # $x->[0] = 1 # '', 1, [ 1 ] # +fetch
-$x # $x->[0] = 1 # '', 1, [ 1 ] # +exists
-$x # $x->[0] = 1 # '', 1, [ 1 ] # +delete
-$x # $x->[0] = 1 # qr/^Can't vivify reference/, undef, undef # +store
-
-$x # $x->[0] = 1 # '', 1, [ 1 ] # +strict +fetch
-$x # $x->[0] = 1 # '', 1, [ 1 ] # +strict +exists
-$x # $x->[0] = 1 # '', 1, [ 1 ] # +strict +delete
-$x # $x->[0] = 1 # qr/^Reference vivification forbidden/, undef, undef # +strict +store
-
-$x # $x->[0]->[1] = 1 # '', 1, [ [ undef, 1 ] ]
-$x # $x->[0]->[1] = 1 # '', 1, [ [ undef, 1 ] ] #
-$x # $x->[0]->[1] = 1 # '', 1, [ [ undef, 1 ] ] # +fetch
-$x # $x->[0]->[1] = 1 # '', 1, [ [ undef, 1 ] ] # +exists
-$x # $x->[0]->[1] = 1 # '', 1, [ [ undef, 1 ] ] # +delete
-$x # $x->[0]->[1] = 1 # qr/^Can't vivify reference/, undef, undef # +store
-
-$x # $x->[0]->[1] = 1 # '', 1, [ [ undef, 1 ] ] # +strict +fetch
-$x # $x->[0]->[1] = 1 # '', 1, [ [ undef, 1 ] ] # +strict +exists
-$x # $x->[0]->[1] = 1 # '', 1, [ [ undef, 1 ] ] # +strict +delete
-$x # $x->[0]->[1] = 1 # qr/^Reference vivification forbidden/, undef, undef # +strict +store
-
-$x->[0] = 1 # $x->[0] = 2 # '', 2, [ 2 ] # +fetch
-$x->[0] = 1 # $x->[1] = 2 # '', 2, [ 1, 2 ] # +fetch
-$x->[0] = 1 # $x->[0] = 2 # '', 2, [ 2 ] # +exists
-$x->[0] = 1 # $x->[1] = 2 # '', 2, [ 1, 2 ] # +exists
-$x->[0] = 1 # $x->[0] = 2 # '', 2, [ 2 ] # +delete
-$x->[0] = 1 # $x->[1] = 2 # '', 2, [ 1, 2 ] # +delete
-$x->[0] = 1 # $x->[0] = 2 # '', 2, [ 2 ] # +store
-$x->[0] = 1 # $x->[1] = 2 # '', 2, [ 1, 2 ] # +store
-
-$x->[0] = 1 # $x->[0] = 2 # '', 2, [ 2 ] # +strict +fetch
-$x->[0] = 1 # $x->[1] = 2 # '', 2, [ 1, 2 ] # +strict +fetch
-$x->[0] = 1 # $x->[0] = 2 # '', 2, [ 2 ] # +strict +exists
-$x->[0] = 1 # $x->[1] = 2 # '', 2, [ 1, 2 ] # +strict +exists
-$x->[0] = 1 # $x->[0] = 2 # '', 2, [ 2 ] # +strict +delete
-$x->[0] = 1 # $x->[1] = 2 # '', 2, [ 1, 2 ] # +strict +delete
-$x->[0] = 1 # $x->[0] = 2 # '', 2, [ 2 ] # +strict +store
-$x->[0] = 1 # $x->[1] = 2 # '', 2, [ 1, 2 ] # +strict +store
-
-$x->[0]->[1] = 1 # $x->[0]->[1] = 2 # '', 2, [ [ undef, 2 ] ] # +fetch
-$x->[0]->[1] = 1 # $x->[0]->[3] = 2 # '', 2, [ [ undef, 1, undef, 2 ] ] # +fetch
-$x->[0]->[1] = 1 # $x->[2]->[3] = 2 # '', 2, [ [ undef, 1 ], undef, [ undef, undef, undef, 2 ] ] # +fetch
-$x->[0]->[1] = 1 # $x->[0]->[1] = 2 # '', 2, [ [ undef, 2 ] ] # +exists
-$x->[0]->[1] = 1 # $x->[0]->[3] = 2 # '', 2, [ [ undef, 1, undef, 2 ] ] # +exists
-$x->[0]->[1] = 1 # $x->[2]->[3] = 2 # '', 2, [ [ undef, 1 ], undef, [ undef, undef, undef, 2 ] ] # +exists
-$x->[0]->[1] = 1 # $x->[0]->[1] = 2 # '', 2, [ [ undef, 2 ] ] # +delete
-$x->[0]->[1] = 1 # $x->[0]->[3] = 2 # '', 2, [ [ undef, 1, undef, 2 ] ] # +delete
-$x->[0]->[1] = 1 # $x->[2]->[3] = 2 # '', 2, [ [ undef, 1 ], undef, [ undef, undef, undef, 2 ] ] # +delete
-$x->[0]->[1] = 1 # $x->[0]->[1] = 2 # '', 2, [ [ undef, 2 ] ] # +store
-$x->[0]->[1] = 1 # $x->[0]->[3] = 2 # '', 2, [ [ undef, 1, undef, 2 ] ] # +store
-$x->[0]->[1] = 1 # $x->[2]->[3] = 2 # qr/^Can't vivify reference/, undef, [ [ undef, 1 ] ] # +store
-
-$x->[0]->[1] = 1 # $x->[0]->[1] = 2 # '', 2, [ [ undef, 2 ] ] # +strict +fetch
-$x->[0]->[1] = 1 # $x->[0]->[3] = 2 # '', 2, [ [ undef, 1, undef, 2 ] ] # +strict +fetch
-$x->[0]->[1] = 1 # $x->[2]->[3] = 2 # '', 2, [ [ undef, 1 ], undef, [ undef, undef, undef, 2 ] ] # +strict +fetch
-$x->[0]->[1] = 1 # $x->[0]->[1] = 2 # '', 2, [ [ undef, 2 ] ] # +strict +exists
-$x->[0]->[1] = 1 # $x->[0]->[3] = 2 # '', 2, [ [ undef, 1, undef, 2 ] ] # +strict +exists
-$x->[0]->[1] = 1 # $x->[2]->[3] = 2 # '', 2, [ [ undef, 1 ], undef, [ undef, undef, undef, 2 ] ] # +strict +exists
-$x->[0]->[1] = 1 # $x->[0]->[1] = 2 # '', 2, [ [ undef, 2 ] ] # +strict +delete
-$x->[0]->[1] = 1 # $x->[0]->[3] = 2 # '', 2, [ [ undef, 1, undef, 2 ] ] # +strict +delete
-$x->[0]->[1] = 1 # $x->[2]->[3] = 2 # '', 2, [ [ undef, 1 ], undef, [ undef, undef, undef, 2 ] ] # +strict +delete
-$x->[0]->[1] = 1 # $x->[0]->[1] = 2 # '', 2, [ [ undef, 2 ] ] # +strict +store
-$x->[0]->[1] = 1 # $x->[0]->[3] = 2 # '', 2, [ [ undef, 1, undef, 2 ] ] # +strict +store
-$x->[0]->[1] = 1 # $x->[2]->[3] = 2 # qr/^Reference vivification forbidden/, undef, [ [ undef, 1 ] ] # +strict +store
+
+--- fetch ---
+
+$x # $x->[0] # '', undef, [ ]
+$x # $x->[0] # '', undef, undef #
+$x # $x->[0] # '', undef, undef # +fetch
+$x # $x->[0] # '', undef, [ ] # +exists
+$x # $x->[0] # '', undef, [ ] # +delete
+$x # $x->[0] # '', undef, [ ] # +store
+
+$x # $x->[0] # qr/^Reference vivification forbidden/, undef, undef # +strict +fetch
+$x # $x->[0] # '', undef, [ ] # +strict +exists
+$x # $x->[0] # '', undef, [ ] # +strict +delete
+$x # $x->[0] # '', undef, [ ] # +strict +store
+
+$x # $x->[0]->[1] # '', undef, [ [ ] ]
+$x # $x->[0]->[1] # '', undef, undef #
+$x # $x->[0]->[1] # '', undef, undef # +fetch
+$x # $x->[0]->[1] # '', undef, [ [ ] ] # +exists
+$x # $x->[0]->[1] # '', undef, [ [ ] ] # +delete
+$x # $x->[0]->[1] # '', undef, [ [ ] ] # +store
+
+$x # $x->[0]->[1] # qr/^Reference vivification forbidden/, undef, undef # +strict +fetch
+$x # $x->[0]->[1] # '', undef, [ [ ] ] # +strict +exists
+$x # $x->[0]->[1] # '', undef, [ [ ] ] # +strict +delete
+$x # $x->[0]->[1] # '', undef, [ [ ] ] # +strict +store
+
+$x->[0] = 1 # $x->[0] # '', 1, [ 1 ] # +fetch
+$x->[0] = 1 # $x->[1] # '', undef, [ 1 ] # +fetch
+$x->[0] = 1 # $x->[0] # '', 1, [ 1 ] # +exists
+$x->[0] = 1 # $x->[1] # '', undef, [ 1 ] # +exists
+$x->[0] = 1 # $x->[0] # '', 1, [ 1 ] # +delete
+$x->[0] = 1 # $x->[1] # '', undef, [ 1 ] # +delete
+$x->[0] = 1 # $x->[0] # '', 1, [ 1 ] # +store
+$x->[0] = 1 # $x->[1] # '', undef, [ 1 ] # +store
+
+$x->[0] = 1 # $x->[0] # '', 1, [ 1 ] # +strict +fetch
+$x->[0] = 1 # $x->[1] # '', undef, [ 1 ] # +strict +fetch
+$x->[0] = 1 # $x->[0] # '', 1, [ 1 ] # +strict +exists
+$x->[0] = 1 # $x->[1] # '', undef, [ 1 ] # +strict +exists
+$x->[0] = 1 # $x->[0] # '', 1, [ 1 ] # +strict +delete
+$x->[0] = 1 # $x->[1] # '', undef, [ 1 ] # +strict +delete
+$x->[0] = 1 # $x->[0] # '', 1, [ 1 ] # +strict +store
+$x->[0] = 1 # $x->[1] # '', undef, [ 1 ] # +strict +store
+
+$x->[0]->[1] = 1 # $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +fetch
+$x->[0]->[1] = 1 # $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +fetch
+$x->[0]->[1] = 1 # $x->[2]->[3] # '', undef, [ [ undef, 1 ] ] # +fetch
+$x->[0]->[1] = 1 # $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +exists
+$x->[0]->[1] = 1 # $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +exists
+$x->[0]->[1] = 1 # $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +exists
+$x->[0]->[1] = 1 # $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +delete
+$x->[0]->[1] = 1 # $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +delete
+$x->[0]->[1] = 1 # $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +delete
+$x->[0]->[1] = 1 # $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +store
+$x->[0]->[1] = 1 # $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +store
+$x->[0]->[1] = 1 # $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +store
+
+$x->[0]->[1] = 1 # $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +strict +fetch
+$x->[0]->[1] = 1 # $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +strict +fetch
+$x->[0]->[1] = 1 # $x->[2]->[3] # qr/^Reference vivification forbidden/, undef, [ [ undef, 1 ] ] # +strict +fetch
+$x->[0]->[1] = 1 # $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +strict +exists
+$x->[0]->[1] = 1 # $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +strict +exists
+$x->[0]->[1] = 1 # $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +strict +exists
+$x->[0]->[1] = 1 # $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +strict +delete
+$x->[0]->[1] = 1 # $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +strict +delete
+$x->[0]->[1] = 1 # $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +strict +delete
+$x->[0]->[1] = 1 # $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +strict +store
+$x->[0]->[1] = 1 # $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +strict +store
+$x->[0]->[1] = 1 # $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +strict +store
+
+--- aliasing ---
+
+$x # 1 for $x->[0]; () # '', undef, [ undef ]
+$x # 1 for $x->[0]; () # '', undef, undef #
+$x # 1 for $x->[0]; () # '', undef, undef # +fetch
+$x # 1 for $x->[0]; () # '', undef, [ undef ] # +exists
+$x # 1 for $x->[0]; () # '', undef, [ undef ] # +delete
+$x # 1 for $x->[0]; () # '', undef, [ undef ] # +store
+
+$x # $_ = 1 for $x->[0]; () # '', undef, [ 1 ]
+$x # $_ = 1 for $x->[0]; () # '', undef, undef #
+$x # $_ = 1 for $x->[0]; () # '', undef, undef # +fetch
+$x # $_ = 1 for $x->[0]; () # '', undef, [ 1 ] # +exists
+$x # $_ = 1 for $x->[0]; () # '', undef, [ 1 ] # +delete
+$x # $_ = 1 for $x->[0]; () # '', undef, [ 1 ] # +store
+
+$x->[0] = 1 # 1 for $x->[0]; () # '', undef, [ 1 ] # +fetch
+$x->[0] = 1 # 1 for $x->[1]; () # '', undef, [ 1, undef ] # +fetch
+$x->[0] = 1 # 1 for $x->[0]; () # '', undef, [ 1 ] # +exists
+$x->[0] = 1 # 1 for $x->[1]; () # '', undef, [ 1, undef ] # +exists
+$x->[0] = 1 # 1 for $x->[0]; () # '', undef, [ 1 ] # +delete
+$x->[0] = 1 # 1 for $x->[1]; () # '', undef, [ 1, undef ] # +delete
+$x->[0] = 1 # 1 for $x->[0]; () # '', undef, [ 1 ] # +store
+$x->[0] = 1 # 1 for $x->[1]; () # '', undef, [ 1, undef ] # +store
+
+--- exists ---
+
+$x # exists $x->[0] # '', '', [ ]
+$x # exists $x->[0] # '', '', undef #
+$x # exists $x->[0] # '', '', [ ] # +fetch
+$x # exists $x->[0] # '', '', undef # +exists
+$x # exists $x->[0] # '', '', [ ] # +delete
+$x # exists $x->[0] # '', '', [ ] # +store
+
+$x # exists $x->[0] # '', '', [ ] # +strict +fetch
+$x # exists $x->[0] # qr/^Reference vivification forbidden/, undef, undef # +strict +exists
+$x # exists $x->[0] # '', '', [ ] # +strict +delete
+$x # exists $x->[0] # '', '', [ ] # +strict +store
+
+$x # exists $x->[0]->[1] # '', '', [ [ ] ]
+$x # exists $x->[0]->[1] # '', '', undef #
+$x # exists $x->[0]->[1] # '', '', [ [ ] ] # +fetch
+$x # exists $x->[0]->[1] # '', '', undef # +exists
+$x # exists $x->[0]->[1] # '', '', [ [ ] ] # +delete
+$x # exists $x->[0]->[1] # '', '', [ [ ] ] # +store
+
+$x # exists $x->[0]->[1] # '', '', [ [ ] ] # +strict +fetch
+$x # exists $x->[0]->[1] # qr/^Reference vivification forbidden/, undef, undef # +strict +exists
+$x # exists $x->[0]->[1] # '', '', [ [ ] ] # +strict +delete
+$x # exists $x->[0]->[1] # '', '', [ [ ] ] # +strict +store
+
+$x->[0] = 1 # exists $x->[0] # '', 1, [ 1 ] # +fetch
+$x->[0] = 1 # exists $x->[1] # '', '', [ 1 ] # +fetch
+$x->[0] = 1 # exists $x->[0] # '', 1, [ 1 ] # +exists
+$x->[0] = 1 # exists $x->[1] # '', '', [ 1 ] # +exists
+$x->[0] = 1 # exists $x->[0] # '', 1, [ 1 ] # +delete
+$x->[0] = 1 # exists $x->[1] # '', '', [ 1 ] # +delete
+$x->[0] = 1 # exists $x->[0] # '', 1, [ 1 ] # +store
+$x->[0] = 1 # exists $x->[1] # '', '', [ 1 ] # +store
+
+$x->[0] = 1 # exists $x->[0] # '', 1, [ 1 ] # +strict +fetch
+$x->[0] = 1 # exists $x->[1] # '', '', [ 1 ] # +strict +fetch
+$x->[0] = 1 # exists $x->[0] # '', 1, [ 1 ] # +strict +exists
+$x->[0] = 1 # exists $x->[1] # '', '', [ 1 ] # +strict +exists
+$x->[0] = 1 # exists $x->[0] # '', 1, [ 1 ] # +strict +delete
+$x->[0] = 1 # exists $x->[1] # '', '', [ 1 ] # +strict +delete
+$x->[0] = 1 # exists $x->[0] # '', 1, [ 1 ] # +strict +store
+$x->[0] = 1 # exists $x->[1] # '', '', [ 1 ] # +strict +store
+
+$x->[0]->[1] = 1 # exists $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +fetch
+$x->[0]->[1] = 1 # exists $x->[0]->[3] # '', '', [ [ undef, 1 ] ] # +fetch
+$x->[0]->[1] = 1 # exists $x->[2]->[3] # '', '', [ [ undef, 1 ], undef, [ ] ] # +fetch
+$x->[0]->[1] = 1 # exists $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +exists
+$x->[0]->[1] = 1 # exists $x->[0]->[3] # '', '', [ [ undef, 1 ] ] # +exists
+$x->[0]->[1] = 1 # exists $x->[2]->[3] # '', '', [ [ undef, 1 ] ] # +exists
+$x->[0]->[1] = 1 # exists $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +delete
+$x->[0]->[1] = 1 # exists $x->[0]->[3] # '', '', [ [ undef, 1 ] ] # +delete
+$x->[0]->[1] = 1 # exists $x->[2]->[3] # '', '', [ [ undef, 1 ], undef, [ ] ] # +delete
+$x->[0]->[1] = 1 # exists $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +store
+$x->[0]->[1] = 1 # exists $x->[0]->[3] # '', '', [ [ undef, 1 ] ] # +store
+$x->[0]->[1] = 1 # exists $x->[2]->[3] # '', '', [ [ undef, 1 ], undef, [ ] ] # +store
+
+$x->[0]->[1] = 1 # exists $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +strict +fetch
+$x->[0]->[1] = 1 # exists $x->[0]->[3] # '', '', [ [ undef, 1 ] ] # +strict +fetch
+$x->[0]->[1] = 1 # exists $x->[2]->[3] # '', '', [ [ undef, 1 ], undef, [ ] ] # +strict +fetch
+$x->[0]->[1] = 1 # exists $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +strict +exists
+$x->[0]->[1] = 1 # exists $x->[0]->[3] # '', '', [ [ undef, 1 ] ] # +strict +exists
+$x->[0]->[1] = 1 # exists $x->[2]->[3] # qr/^Reference vivification forbidden/, undef, [ [ undef, 1 ] ] # +strict +exists
+$x->[0]->[1] = 1 # exists $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +strict +delete
+$x->[0]->[1] = 1 # exists $x->[0]->[3] # '', '', [ [ undef, 1 ] ] # +strict +delete
+$x->[0]->[1] = 1 # exists $x->[2]->[3] # '', '', [ [ undef, 1 ], undef, [ ] ] # +strict +delete
+$x->[0]->[1] = 1 # exists $x->[0]->[1] # '', 1, [ [ undef, 1 ] ] # +strict +store
+$x->[0]->[1] = 1 # exists $x->[0]->[3] # '', '', [ [ undef, 1 ] ] # +strict +store
+$x->[0]->[1] = 1 # exists $x->[2]->[3] # '', '', [ [ undef, 1 ], undef, [ ] ] # +strict +store
+
+--- delete ---
+
+$x # delete $x->[0] # '', undef, [ ]
+$x # delete $x->[0] # '', undef, undef #
+$x # delete $x->[0] # '', undef, [ ] # +fetch
+$x # delete $x->[0] # '', undef, [ ] # +exists
+$x # delete $x->[0] # '', undef, undef # +delete
+$x # delete $x->[0] # '', undef, [ ] # +store
+
+$x # delete $x->[0] # '', undef, [ ] # +strict +fetch
+$x # delete $x->[0] # '', undef, [ ] # +strict +exists
+$x # delete $x->[0] # qr/^Reference vivification forbidden/, undef, undef # +strict +delete
+$x # delete $x->[0] # '', undef, [ ] # +strict +store
+
+$x # delete $x->[0]->[1] # '', undef, [ [ ] ]
+$x # delete $x->[0]->[1] # '', undef, undef #
+$x # delete $x->[0]->[1] # '', undef, [ [ ] ] # +fetch
+$x # delete $x->[0]->[1] # '', undef, [ [ ] ] # +exists
+$x # delete $x->[0]->[1] # '', undef, undef # +delete
+$x # delete $x->[0]->[1] # '', undef, [ [ ] ] # +store
+
+$x # delete $x->[0]->[1] # '', undef, [ [ ] ] # +strict +fetch
+$x # delete $x->[0]->[1] # '', undef, [ [ ] ] # +strict +exists
+$x # delete $x->[0]->[1] # qr/^Reference vivification forbidden/, undef, undef # +strict +delete
+$x # delete $x->[0]->[1] # '', undef, [ [ ] ] # +strict +store
+
+$x->[0] = 1 # delete $x->[0] # '', 1, [ ] # +fetch
+$x->[0] = 1 # delete $x->[1] # '', undef, [ 1 ] # +fetch
+$x->[0] = 1 # delete $x->[0] # '', 1, [ ] # +exists
+$x->[0] = 1 # delete $x->[1] # '', undef, [ 1 ] # +exists
+$x->[0] = 1 # delete $x->[0] # '', 1, [ ] # +delete
+$x->[0] = 1 # delete $x->[1] # '', undef, [ 1 ] # +delete
+$x->[0] = 1 # delete $x->[0] # '', 1, [ ] # +store
+$x->[0] = 1 # delete $x->[1] # '', undef, [ 1 ] # +store
+
+$x->[0] = 1 # delete $x->[0] # '', 1, [ ] # +strict +fetch
+$x->[0] = 1 # delete $x->[1] # '', undef, [ 1 ] # +strict +fetch
+$x->[0] = 1 # delete $x->[0] # '', 1, [ ] # +strict +exists
+$x->[0] = 1 # delete $x->[1] # '', undef, [ 1 ] # +strict +exists
+$x->[0] = 1 # delete $x->[0] # '', 1, [ ] # +strict +delete
+$x->[0] = 1 # delete $x->[1] # '', undef, [ 1 ] # +strict +delete
+$x->[0] = 1 # delete $x->[0] # '', 1, [ ] # +strict +store
+$x->[0] = 1 # delete $x->[1] # '', undef, [ 1 ] # +strict +store
+
+$x->[0]->[1] = 1 # delete $x->[0]->[1] # '', 1, [ [ ] ] # +fetch
+$x->[0]->[1] = 1 # delete $x->[0]->[3] # '', undef, [ [ undef, 1 ] ]# +fetch
+$x->[0]->[1] = 1 # delete $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +fetch
+$x->[0]->[1] = 1 # delete $x->[0]->[1] # '', 1, [ [ ] ] # +exists
+$x->[0]->[1] = 1 # delete $x->[0]->[3] # '', undef, [ [ undef, 1 ] ]# +exists
+$x->[0]->[1] = 1 # delete $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +exists
+$x->[0]->[1] = 1 # delete $x->[0]->[1] # '', 1, [ [ ] ] # +delete
+$x->[0]->[1] = 1 # delete $x->[0]->[3] # '', undef, [ [ undef, 1 ] ]# +delete
+$x->[0]->[1] = 1 # delete $x->[2]->[3] # '', undef, [ [ undef, 1 ] ]# +delete
+$x->[0]->[1] = 1 # delete $x->[0]->[1] # '', 1, [ [ ] ] # +store
+$x->[0]->[1] = 1 # delete $x->[0]->[3] # '', undef, [ [ undef, 1 ] ]# +store
+$x->[0]->[1] = 1 # delete $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ] # +store
+
+$x->[0]->[1] = 1 # delete $x->[0]->[1] # '', 1, [ [ ] ] # +strict +fetch
+$x->[0]->[1] = 1 # delete $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +strict +fetch
+$x->[0]->[1] = 1 # delete $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ]# +strict +fetch
+$x->[0]->[1] = 1 # delete $x->[0]->[1] # '', 1, [ [ ] ] # +strict +exists
+$x->[0]->[1] = 1 # delete $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +strict +exists
+$x->[0]->[1] = 1 # delete $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ]# +strict +exists
+$x->[0]->[1] = 1 # delete $x->[0]->[1] # '', 1, [ [ ] ] # +strict +delete
+$x->[0]->[1] = 1 # delete $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +strict +delete
+$x->[0]->[1] = 1 # delete $x->[2]->[3] # qr/^Reference vivification forbidden/, undef, [ [ undef, 1 ] ] # +strict +delete
+$x->[0]->[1] = 1 # delete $x->[0]->[1] # '', 1, [ [ ] ] # +strict +store
+$x->[0]->[1] = 1 # delete $x->[0]->[3] # '', undef, [ [ undef, 1 ] ] # +strict +store
+$x->[0]->[1] = 1 # delete $x->[2]->[3] # '', undef, [ [ undef, 1 ], undef, [ ] ]# +strict +store
+
+--- store ---
+
+$x # $x->[0] = 1 # '', 1, [ 1 ]
+$x # $x->[0] = 1 # '', 1, [ 1 ] #
+$x # $x->[0] = 1 # '', 1, [ 1 ] # +fetch
+$x # $x->[0] = 1 # '', 1, [ 1 ] # +exists
+$x # $x->[0] = 1 # '', 1, [ 1 ] # +delete
+$x # $x->[0] = 1 # qr/^Can't vivify reference/, undef, undef # +store
+
+$x # $x->[0] = 1 # '', 1, [ 1 ] # +strict +fetch
+$x # $x->[0] = 1 # '', 1, [ 1 ] # +strict +exists
+$x # $x->[0] = 1 # '', 1, [ 1 ] # +strict +delete
+$x # $x->[0] = 1 # qr/^Reference vivification forbidden/, undef, undef # +strict +store
+
+$x # $x->[0]->[1] = 1 # '', 1, [ [ undef, 1 ] ]
+$x # $x->[0]->[1] = 1 # '', 1, [ [ undef, 1 ] ] #
+$x # $x->[0]->[1] = 1 # '', 1, [ [ undef, 1 ] ] # +fetch
+$x # $x->[0]->[1] = 1 # '', 1, [ [ undef, 1 ] ] # +exists
+$x # $x->[0]->[1] = 1 # '', 1, [ [ undef, 1 ] ] # +delete
+$x # $x->[0]->[1] = 1 # qr/^Can't vivify reference/, undef, undef # +store
+
+$x # $x->[0]->[1] = 1 # '', 1, [ [ undef, 1 ] ] # +strict +fetch
+$x # $x->[0]->[1] = 1 # '', 1, [ [ undef, 1 ] ] # +strict +exists
+$x # $x->[0]->[1] = 1 # '', 1, [ [ undef, 1 ] ] # +strict +delete
+$x # $x->[0]->[1] = 1 # qr/^Reference vivification forbidden/, undef, undef # +strict +store
+
+$x->[0] = 1 # $x->[0] = 2 # '', 2, [ 2 ] # +fetch
+$x->[0] = 1 # $x->[1] = 2 # '', 2, [ 1, 2 ] # +fetch
+$x->[0] = 1 # $x->[0] = 2 # '', 2, [ 2 ] # +exists
+$x->[0] = 1 # $x->[1] = 2 # '', 2, [ 1, 2 ] # +exists
+$x->[0] = 1 # $x->[0] = 2 # '', 2, [ 2 ] # +delete
+$x->[0] = 1 # $x->[1] = 2 # '', 2, [ 1, 2 ] # +delete
+$x->[0] = 1 # $x->[0] = 2 # '', 2, [ 2 ] # +store
+$x->[0] = 1 # $x->[1] = 2 # '', 2, [ 1, 2 ] # +store
+
+$x->[0] = 1 # $x->[0] = 2 # '', 2, [ 2 ] # +strict +fetch
+$x->[0] = 1 # $x->[1] = 2 # '', 2, [ 1, 2 ] # +strict +fetch
+$x->[0] = 1 # $x->[0] = 2 # '', 2, [ 2 ] # +strict +exists
+$x->[0] = 1 # $x->[1] = 2 # '', 2, [ 1, 2 ] # +strict +exists
+$x->[0] = 1 # $x->[0] = 2 # '', 2, [ 2 ] # +strict +delete
+$x->[0] = 1 # $x->[1] = 2 # '', 2, [ 1, 2 ] # +strict +delete
+$x->[0] = 1 # $x->[0] = 2 # '', 2, [ 2 ] # +strict +store
+$x->[0] = 1 # $x->[1] = 2 # '', 2, [ 1, 2 ] # +strict +store
+
+$x->[0]->[1] = 1 # $x->[0]->[1] = 2 # '', 2, [ [ undef, 2 ] ] # +fetch
+$x->[0]->[1] = 1 # $x->[0]->[3] = 2 # '', 2, [ [ undef, 1, undef, 2 ] ] # +fetch
+$x->[0]->[1] = 1 # $x->[2]->[3] = 2 # '', 2, [ [ undef, 1 ], undef, [ undef, undef, undef, 2 ] ] # +fetch
+$x->[0]->[1] = 1 # $x->[0]->[1] = 2 # '', 2, [ [ undef, 2 ] ] # +exists
+$x->[0]->[1] = 1 # $x->[0]->[3] = 2 # '', 2, [ [ undef, 1, undef, 2 ] ] # +exists
+$x->[0]->[1] = 1 # $x->[2]->[3] = 2 # '', 2, [ [ undef, 1 ], undef, [ undef, undef, undef, 2 ] ] # +exists
+$x->[0]->[1] = 1 # $x->[0]->[1] = 2 # '', 2, [ [ undef, 2 ] ] # +delete
+$x->[0]->[1] = 1 # $x->[0]->[3] = 2 # '', 2, [ [ undef, 1, undef, 2 ] ] # +delete
+$x->[0]->[1] = 1 # $x->[2]->[3] = 2 # '', 2, [ [ undef, 1 ], undef, [ undef, undef, undef, 2 ] ] # +delete
+$x->[0]->[1] = 1 # $x->[0]->[1] = 2 # '', 2, [ [ undef, 2 ] ] # +store
+$x->[0]->[1] = 1 # $x->[0]->[3] = 2 # '', 2, [ [ undef, 1, undef, 2 ] ] # +store
+$x->[0]->[1] = 1 # $x->[2]->[3] = 2 # qr/^Can't vivify reference/, undef, [ [ undef, 1 ] ] # +store
+
+$x->[0]->[1] = 1 # $x->[0]->[1] = 2 # '', 2, [ [ undef, 2 ] ] # +strict +fetch
+$x->[0]->[1] = 1 # $x->[0]->[3] = 2 # '', 2, [ [ undef, 1, undef, 2 ] ] # +strict +fetch
+$x->[0]->[1] = 1 # $x->[2]->[3] = 2 # '', 2, [ [ undef, 1 ], undef, [ undef, undef, undef, 2 ] ] # +strict +fetch
+$x->[0]->[1] = 1 # $x->[0]->[1] = 2 # '', 2, [ [ undef, 2 ] ] # +strict +exists
+$x->[0]->[1] = 1 # $x->[0]->[3] = 2 # '', 2, [ [ undef, 1, undef, 2 ] ] # +strict +exists
+$x->[0]->[1] = 1 # $x->[2]->[3] = 2 # '', 2, [ [ undef, 1 ], undef, [ undef, undef, undef, 2 ] ] # +strict +exists
+$x->[0]->[1] = 1 # $x->[0]->[1] = 2 # '', 2, [ [ undef, 2 ] ] # +strict +delete
+$x->[0]->[1] = 1 # $x->[0]->[3] = 2 # '', 2, [ [ undef, 1, undef, 2 ] ] # +strict +delete
+$x->[0]->[1] = 1 # $x->[2]->[3] = 2 # '', 2, [ [ undef, 1 ], undef, [ undef, undef, undef, 2 ] ] # +strict +delete
+$x->[0]->[1] = 1 # $x->[0]->[1] = 2 # '', 2, [ [ undef, 2 ] ] # +strict +store
+$x->[0]->[1] = 1 # $x->[0]->[3] = 2 # '', 2, [ [ undef, 1, undef, 2 ] ] # +strict +store
+$x->[0]->[1] = 1 # $x->[2]->[3] = 2 # qr/^Reference vivification forbidden/, undef, [ [ undef, 1 ] ] # +strict +store
projects / perl / modules / autovivification.git / blobdiff