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#!/usr/bin/perl -I.. # Test Array vs Array1 functionality use strict; use Test::More tests => 13; # Find the module (1 test) BEGIN {use_ok('Readonly'); } sub expected { my $line = shift; $@ =~ s/\.$//; # difference between croak and die return "Modification of a read-only value attempted at " . __FILE__ . " line $line\n"; } use vars qw/@a1 @a2/; my $m1 = 17; # Create (2 tests) eval {Readonly::Array @a1 => (\$m1, {x => 5, z => [1, 2, 3]})}; is $@ => '', 'Create a deep reference array'; eval {Readonly::Array1 @a2 => (\$m1, {x => 5, z => [1, 2, 3]})}; is $@ => '', 'Create a shallow reference array'; # Modify (10 tests) eval {$a1[0] = 7;}; is $@ => expected(__LINE__-1), 'Modify a1'; eval {$a2[0] = 7;}; is $@ => expected(__LINE__-1), 'Modify a2'; eval {${$a1[0]} = "the";}; is $@ => expected(__LINE__-1), 'Deep-modify a1'; is $m1 => 17, 'a1 unchanged'; eval {${$a2[0]} = "the";}; is $@ => '', 'Deep-modify a2'; is $m1 => 'the', 'a2 modification successful'; eval {$a1[1]{z}[1] = 42;}; is $@ => expected(__LINE__-1), 'Deep-deep modify a1'; is $a1[1]{z}[1] => 2, 'a1 unchanged'; eval {$a2[1]{z}[2] = 42;}; is $@ => '', 'Deep-deep modify a2'; is $a2[1]{z}[2], 42, 'a2 mod successful';
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