#!perl -T use strict; use warnings; use Config qw/%Config/; use Test::More tests => (2 * 14 + 2) + 2 * (2 * 8 + 4) + 3 + 1; use Variable::Magic qw/wizard cast dispell MGf_COPY/; use lib 't/lib'; use Variable::Magic::TestWatcher; my $is_5130_release = ($] == 5.013 && !$Config{git_describe}) ? 1 : 0; my $wiz = init_watcher [ qw/get set len clear free copy dup local fetch store exists delete/ ], 'scalar'; my $n = int rand 1000; my $a = $n; watch { cast $a, $wiz } { }, 'cast'; my $b; # $b has to be set inside the block for the test to pass on 5.8.3 and lower watch { $b = $a } { get => 1 }, 'assign to'; is $b, $n, 'scalar: assign to correctly'; $b = watch { "X${a}Y" } { get => 1 }, 'interpolate'; is $b, "X${n}Y", 'scalar: interpolate correctly'; $b = watch { \$a } { }, 'reference'; watch { $a = 123; () } { set => 1 }, 'assign to'; watch { ++$a; () } { get => 1, set => 1 }, 'increment'; watch { --$a; () } { get => 1, set => 1 }, 'decrement'; watch { $a *= 1.5; () } { get => 1, set => 1 }, 'multiply in place'; watch { $a /= 1.5; () } { get => 1, set => 1 }, 'divide in place'; watch { my $b = $n; watch { cast $b, $wiz } { }, 'cast 2'; } { free => 1 }, 'scope end'; watch { undef $a } { set => 1 }, 'undef'; watch { dispell $a, $wiz } { }, 'dispell'; # Array element my @a = (7, 8, 9); watch { cast $a[1], $wiz } { }, 'array element: cast'; watch { $a[1] = 6; () } { set => 1 }, 'array element: set'; $b = watch { $a[1] } { get => ($is_5130_release ? 2 : 1) },'array element: get'; is $b, 6, 'scalar: array element: get correctly'; watch { $a[0] = 5 } { }, 'array element: set other'; $b = watch { $a[2] } { }, 'array element: get other'; is $b, 9, 'scalar: array element: get other correctly'; $b = watch { exists $a[1] } { }, 'array element: exists'; is $b, 1, 'scalar: array element: exists correctly'; # $b has to be set inside the block for the test to pass on 5.8.3 and lower watch { $b = delete $a[1] } { get => 1, free => ($] > 5.008005 ? 1 : 0) }, 'array element: delete'; is $b, 6, 'scalar: array element: delete correctly'; watch { $a[1] = 4 } { }, 'array element: set after delete'; # Hash element my %h = (a => 7, b => 8); watch { cast $h{b}, $wiz } { }, 'hash element: cast'; watch { $h{b} = 6; () } { set => 1 }, 'hash element: set'; $b = watch { $h{b} } { get => ($is_5130_release ? 2 : 1) }, 'hash element: get'; is $b, 6, 'scalar: hash element: get correctly'; watch { $h{a} = 5 } { }, 'hash element: set other'; $b = watch { $h{a} } { }, 'hash element: get other'; is $b, 5, 'scalar: hash element: get other correctly'; $b = watch { exists $h{b} } { }, 'hash element: exists'; is $b, 1, 'scalar: hash element: exists correctly'; $b = watch { delete $h{b} } { get => 1, free => 1 }, 'hash element: delete'; is $b, 6, 'scalar: hash element: delete correctly'; watch { $h{b} = 4 } { }, 'hash element: set after delete'; SKIP: { my $SKIP; unless (MGf_COPY) { $SKIP = 'No copy magic for this perl'; } else { eval "use Tie::Array"; $SKIP = 'Tie::Array required to test clear magic on tied array values' if $@; } skip $SKIP => 3 if $SKIP; diag "Using Tie::Array $Tie::Array::VERSION" if defined $Tie::Array::VERSION; tie my @a, 'Tie::StdArray'; $a[0] = $$; eval { cast @a, wizard copy => sub { cast $_[3], $wiz; () }; }; is $@, '', 'cast copy magic on tied array'; watch { delete $a[0] } [ qw/get clear free/ ], 'delete from tied array'; }