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eliminate HINT_HH_FOR_EVAL
[perl5.git] / t / comp / hints.t
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dbc6b789 1#!./perl
045ac317 2
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3# Tests the scoping of $^H and %^H
4
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5BEGIN {
6 chdir 't' if -d 't';
7 @INC = qw(. ../lib);
8}
9
10
7168684c 11BEGIN { print "1..15\n"; }
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12BEGIN {
13 print "not " if exists $^H{foo};
14 print "ok 1 - \$^H{foo} doesn't exist initially\n";
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15 print "not " if $^H & 0x00020000;
16 print "ok 2 - \$^H doesn't contain HINT_LOCALIZE_HH initially\n";
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17}
18{
7168684c 19 # simulate a pragma -- don't forget HINT_LOCALIZE_HH
af796537 20 BEGIN { $^H |= 0x04020000; $^H{foo} = "a"; }
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21 BEGIN {
22 print "not " if $^H{foo} ne "a";
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23 print "ok 3 - \$^H{foo} is now 'a'\n";
24 print "not " unless $^H & 0x00020000;
25 print "ok 4 - \$^H contains HINT_LOCALIZE_HH while compiling\n";
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26 }
27 {
28 BEGIN { $^H |= 0x00020000; $^H{foo} = "b"; }
29 BEGIN {
30 print "not " if $^H{foo} ne "b";
7168684c 31 print "ok 5 - \$^H{foo} is now 'b'\n";
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32 }
33 }
34 BEGIN {
35 print "not " if $^H{foo} ne "a";
7168684c 36 print "ok 6 - \$H^{foo} restored to 'a'\n";
045ac317 37 }
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38 # The pragma settings disappear after compilation
39 # (test at CHECK-time and at run-time)
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40 CHECK {
41 print "not " if exists $^H{foo};
7168684c 42 print "ok 9 - \$^H{foo} doesn't exist when compilation complete\n";
dbc6b789 43 print "not " if $^H & 0x00020000;
7168684c 44 print "ok 10 - \$^H doesn't contain HINT_LOCALIZE_HH when compilation complete\n";
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45 }
46 print "not " if exists $^H{foo};
7168684c 47 print "ok 11 - \$^H{foo} doesn't exist at runtime\n";
dbc6b789 48 print "not " if $^H & 0x00020000;
7168684c 49 print "ok 12 - \$^H doesn't contain HINT_LOCALIZE_HH at run-time\n";
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50 # op_entereval should keep the pragmas it was compiled with
51 eval q*
52 print "not " if $^H{foo} ne "a";
7168684c 53 print "ok 13 - \$^H{foo} is 'a' at eval-\"\" time\n";
dbc6b789 54 print "not " unless $^H & 0x00020000;
7168684c 55 print "ok 14 - \$^H contains HINT_LOCALIZE_HH at eval\"\"-time\n";
dbc6b789 56 *;
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57}
58BEGIN {
59 print "not " if exists $^H{foo};
7168684c 60 print "ok 7 - \$^H{foo} doesn't exist while finishing compilation\n";
dbc6b789 61 print "not " if $^H & 0x00020000;
7168684c 62 print "ok 8 - \$^H doesn't contain HINT_LOCALIZE_HH while finishing compilation\n";
045ac317 63}
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64
65require 'test.pl';
66
67# bug #27040: hints hash was being double-freed
68my $result = runperl(
69 prog => '$^H |= 0x20000; eval q{BEGIN { $^H |= 0x20000 }}',
70 stderr => 1
71);
72print "not " if length $result;
7168684c 73print "ok 15 - double-freeing hints hash\n";
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74print "# got: $result\n" if length $result;
75