1#!./perl 2 3chdir 't' if -d 't'; 4@INC = qw(. ../lib); 5require "test.pl"; 6plan( tests => 64 ); 7 8$aa = 1; 9{ local $aa; $aa = 2; is($aa,2); } 10is($aa,1); 11{ local ${aa}; $aa = 3; is($aa,3); } 12is($aa,1); 13{ local ${"aa"}; $aa = 4; is($aa,4); } 14is($aa,1); 15$x = "aa"; 16{ local ${$x}; $aa = 5; is($aa,5); undef $x; is($aa,5); } 17is($aa,1); 18$x = "a"; 19{ local ${$x x2};$aa = 6; is($aa,6); undef $x; is($aa,6); } 20is($aa,1); 21$x = "aa"; 22{ local $$x; $aa = 7; is($aa,7); undef $x; is($aa,7); } 23is($aa,1); 24 25@aa = qw/a b/; 26{ local @aa; @aa = qw/c d/; is("@aa","c d"); } 27is("@aa","a b"); 28{ local @{aa}; @aa = qw/e f/; is("@aa","e f"); } 29is("@aa","a b"); 30{ local @{"aa"}; @aa = qw/g h/; is("@aa","g h"); } 31is("@aa","a b"); 32$x = "aa"; 33{ local @{$x}; @aa = qw/i j/; is("@aa","i j"); undef $x; is("@aa","i j"); } 34is("@aa","a b"); 35$x = "a"; 36{ local @{$x x2};@aa = qw/k l/; is("@aa","k l"); undef $x; is("@aa","k l"); } 37is("@aa","a b"); 38$x = "aa"; 39{ local @$x; @aa = qw/m n/; is("@aa","m n"); undef $x; is("@aa","m n"); } 40is("@aa","a b"); 41 42%aa = qw/a b/; 43{ local %aa; %aa = qw/c d/; is($aa{c},"d"); } 44is($aa{a},"b"); 45{ local %{aa}; %aa = qw/e f/; is($aa{e},"f"); } 46is($aa{a},"b"); 47{ local %{"aa"}; %aa = qw/g h/; is($aa{g},"h"); } 48is($aa{a},"b"); 49$x = "aa"; 50{ local %{$x}; %aa = qw/i j/; is($aa{i},"j"); undef $x; is($aa{i},"j"); } 51is($aa{a},"b"); 52$x = "a"; 53{ local %{$x x2};%aa = qw/k l/; is($aa{k},"l"); undef $x; is($aa{k},"l"); } 54is($aa{a},"b"); 55$x = "aa"; 56{ local %$x; %aa = qw/m n/; is($aa{m},"n"); undef $x; is($aa{m},"n"); } 57is($aa{a},"b"); 58 59sub test_err_localref () { 60 like($@,qr/Can't localize through a reference/,'error'); 61} 62$x = \$aa; 63my $y = \$aa; 64eval { local $$x; }; test_err_localref; 65eval { local ${$x}; }; test_err_localref; 66eval { local $$y; }; test_err_localref; 67eval { local ${$y}; }; test_err_localref; 68eval { local ${\$aa}; }; test_err_localref; 69eval { local ${\'aa'}; }; test_err_localref; 70$x = \@aa; 71$y = \@aa; 72eval { local @$x; }; test_err_localref; 73eval { local @{$x}; }; test_err_localref; 74eval { local @$y; }; test_err_localref; 75eval { local @{$y}; }; test_err_localref; 76eval { local @{\@aa}; }; test_err_localref; 77eval { local @{[]}; }; test_err_localref; 78$x = \%aa; 79$y = \%aa; 80eval { local %$x; }; test_err_localref; 81eval { local %{$x}; }; test_err_localref; 82eval { local %$y; }; test_err_localref; 83eval { local %{$y}; }; test_err_localref; 84eval { local %{\%aa}; }; test_err_localref; 85eval { local %{{a=>1}}; };test_err_localref; 86 87 88{ 89 # [perl #27638] when restoring a localized variable, the thing being 90 # freed shouldn't be visible 91 my $ok; 92 $x = 0; 93 sub X::DESTROY { $ok = !ref($x); } 94 { 95 local $x = \ bless {}, 'X'; 96 1; 97 } 98ok($ok,'old value not visible during restore'); 99} 100