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