8 use Variable::Magic qw/wizard cast dispell VMG_UVAR/;
11 plan tests => 2 * 15 + 12 + 14 + 1;
13 plan skip_all => 'No nice uvar magic for this perl';
17 use Variable::Magic::TestWatcher;
19 my $wiz = init [ qw/fetch store exists delete/ ], 'uvar';
21 my %h = (a => 1, b => 2, c => 3);
23 my $res = check { cast %h, $wiz } { }, 'cast';
24 ok $res, 'uvar: cast succeeded';
26 my $x = check { $h{a} } { fetch => 1 }, 'fetch directly';
27 is $x, 1, 'uvar: fetch directly correctly';
29 $x = check { "$h{b}" } { fetch => 1 }, 'fetch by interpolation';
30 is $x, 2, 'uvar: fetch by interpolation correctly';
32 check { $h{c} = 4 } { store => 1 }, 'store directly';
34 $x = check { $h{c} = 5 } { store => 1 }, 'fetch and store';
35 is $x, 5, 'uvar: fetch and store correctly';
37 $x = check { exists $h{c} } { exists => 1 }, 'exists';
38 ok $x, 'uvar: exists correctly';
40 $x = check { delete $h{c} } { delete => 1 }, 'delete existing key';
41 is $x, 5, 'uvar: delete existing key correctly';
43 $x = check { delete $h{z} } { delete => 1 }, 'delete non-existing key';
44 ok !defined $x, 'uvar: delete non-existing key correctly';
46 my $wiz2 = wizard get => sub { 0 };
49 $x = check { $h{a} } { fetch => 1 }, 'fetch directly with also non uvar magic';
50 is $x, 1, 'uvar: fetch directly with also non uvar magic correctly';
54 skip 'Tie::Hash required to test uvar magic on tied hashes' => 2 * 5 + 4 if $@;
55 diag "Using Tie::Hash $Tie::Hash::VERSION" if defined $Tie::Hash::VERSION;
57 tie my %h, 'Tie::StdHash';
58 %h = (x => 7, y => 8);
60 $res = check { cast %h, $wiz } { }, 'cast on tied hash';
61 ok $res, 'uvar: cast on tied hash succeeded';
63 $x = check { $h{x} } { fetch => 1 }, 'fetch on tied hash';
64 is $x, 7, 'uvar: fetch on tied hash succeeded';
66 check { $h{x} = 9 } { store => 1 }, 'store on tied hash';
68 $x = check { exists $h{x} } { exists => 1 }, 'exists on tied hash';
69 ok $x, 'uvar: exists on tied hash succeeded';
71 $x = check { delete $h{x} } { delete => 1 }, 'delete on tied hash';
72 is $x, 9, 'uvar: delete on tied hash succeeded';
75 $wiz2 = wizard fetch => sub { 0 };
76 my %h2 = (a => 37, b => 2, c => 3);
80 local $SIG{__WARN__} = sub { die };
83 is $@, '', 'uvar: fetch with incomplete magic doesn\'t croak';
84 is $x, 37, 'uvar: fetch with incomplete magic correctly';
87 local $SIG{__WARN__} = sub { die };
90 is $@, '', 'uvar: store with incomplete magic doesn\'t croak';
91 is $h2{a}, 73, 'uvar: store with incomplete magic correctly';
93 my $wiz3 = wizard store => sub { ++$_[2]; 0 }, copy_key => 1;
99 eval { $h3{$key} = 3 + $i };
100 is $@, '', "uvar: change key in store doesn't croak ($i)";
101 is $key, 'a', "uvar: change key didn't clobber \$key ($i)";
102 is_deeply \%h3, { a => 3, b => 3 + $i },
103 "uvar: change key in store correcty ($i)";
107 eval { $h3{b} = 5 + $i };
108 is $@, '', "uvar: change readonly key in store croaks ($i)";
109 is_deeply \%h3, { a => 3, b => 5, c => 5 + $i },
110 "uvar: change readonly key in store correcty ($i)";