152 lines
3.9 KiB
Perl
152 lines
3.9 KiB
Perl
#!perl -T
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use strict;
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use warnings;
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use Test::More;
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use lib 't/lib';
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use VPIT::TestHelpers;
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use Variable::Magic qw<wizard cast dispell VMG_UVAR>;
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if (VMG_UVAR) {
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plan tests => 2 * 15 + 12 + 14 + (4 * 2 * 2 + 1 + 1) + 1;
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} else {
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plan skip_all => 'No nice uvar magic for this perl';
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}
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use lib 't/lib';
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use Variable::Magic::TestWatcher;
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use Variable::Magic::TestValue;
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my $wiz = init_watcher [ qw<fetch store exists delete> ], 'uvar';
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my %h = (a => 1, b => 2, c => 3);
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my $res = watch { cast %h, $wiz } { }, 'cast';
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ok $res, 'uvar: cast succeeded';
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my $x = watch { $h{a} } { fetch => 1 }, 'fetch directly';
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is $x, 1, 'uvar: fetch directly correctly';
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$x = watch { "$h{b}" } { fetch => 1 }, 'fetch by interpolation';
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is $x, 2, 'uvar: fetch by interpolation correctly';
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watch { $h{c} = 4 } { store => 1 }, 'store directly';
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$x = watch { $h{c} = 5 } { store => 1 }, 'fetch and store';
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is $x, 5, 'uvar: fetch and store correctly';
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$x = watch { exists $h{c} } { exists => 1 }, 'exists';
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ok $x, 'uvar: exists correctly';
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$x = watch { delete $h{c} } { delete => 1 }, 'delete existing key';
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is $x, 5, 'uvar: delete existing key correctly';
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$x = watch { delete $h{z} } { delete => 1 }, 'delete non-existing key';
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ok !defined $x, 'uvar: delete non-existing key correctly';
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my $wiz2 = wizard get => sub { 0 };
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cast %h, $wiz2;
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$x = watch { $h{a} } { fetch => 1 }, 'fetch directly with also non uvar magic';
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is $x, 1, 'uvar: fetch directly with also non uvar magic correctly';
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SKIP: {
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load_or_skip('Tie::Hash', undef, undef, 2 * 5 + 4);
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tie my %h, 'Tie::StdHash';
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%h = (x => 7, y => 8);
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$res = watch { cast %h, $wiz } { }, 'cast on tied hash';
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ok $res, 'uvar: cast on tied hash succeeded';
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$x = watch { $h{x} } { fetch => 1 }, 'fetch on tied hash';
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is $x, 7, 'uvar: fetch on tied hash succeeded';
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watch { $h{x} = 9 } { store => 1 }, 'store on tied hash';
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$x = watch { exists $h{x} } { exists => 1 }, 'exists on tied hash';
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ok $x, 'uvar: exists on tied hash succeeded';
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$x = watch { delete $h{x} } { delete => 1 }, 'delete on tied hash';
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is $x, 9, 'uvar: delete on tied hash succeeded';
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}
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$wiz2 = wizard fetch => sub { 0 };
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my %h2 = (a => 37, b => 2, c => 3);
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cast %h2, $wiz2;
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$x = eval {
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local $SIG{__WARN__} = sub { die };
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$h2{a};
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};
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is $@, '', 'uvar: fetch with incomplete magic doesn\'t croak';
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is $x, 37, 'uvar: fetch with incomplete magic correctly';
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eval {
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local $SIG{__WARN__} = sub { die };
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$h2{a} = 73;
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};
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is $@, '', 'uvar: store with incomplete magic doesn\'t croak';
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is $h2{a}, 73, 'uvar: store with incomplete magic correctly';
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my $wiz3 = wizard store => sub { ++$_[2]; 0 }, copy_key => 1;
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my %h3 = (a => 3);
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cast %h3, $wiz3;
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for my $i (1 .. 2) {
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my $key = 'a';
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eval { $h3{$key} = 3 + $i };
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is $@, '', "uvar: change key in store doesn't croak ($i)";
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is $key, 'a', "uvar: change key didn't clobber \$key ($i)";
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is_deeply \%h3, { a => 3, b => 3 + $i },
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"uvar: change key in store correcty ($i)";
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}
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for my $i (1 .. 2) {
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eval { $h3{b} = 5 + $i };
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is $@, '', "uvar: change readonly key in store doesn't croak ($i)";
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is_deeply \%h3, { a => 3, b => 5, c => 5 + $i },
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"uvar: change readonly key in store correcty ($i)";
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}
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{
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my %val = (apple => 1);
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init_value %val, 'fetch', 'uvar';
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value { my $x = $val{apple} } { apple => 1 }, 'value store';
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}
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{
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my %val = (apple => 1);
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my $wv = init_value %val, 'store', 'uvar';
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value { $val{apple} = 2 } { apple => 1 }, 'value store';
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dispell %val, $wv;
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is_deeply \%val, { apple => 2 }, 'uvar: value after store';
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}
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{
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my %val = (apple => 1);
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init_value %val, 'exists', 'uvar';
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value { my $x = exists $val{apple} } { apple => 1 }, 'value exists';
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}
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{
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my %val = (apple => 1, banana => 2);
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my $wv = init_value %val, 'delete', 'uvar';
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value { delete $val{apple} } { apple => 1, banana => 2 }, 'value delete';
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dispell %val, $wv;
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is_deeply \%val, { banana => 2 }, 'uvar: value after delete';
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}
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