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Add an optimisation to allow proxy constant subroutines to be copied
[perl5.git] / t / comp / hints.t
CommitLineData
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
af796537 11BEGIN { print "1..17\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{
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19 # simulate a pragma -- don't forget HINT_LOCALIZE_HH | HINT_HH_FOR_EVAL
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 print "not " unless $^H & 0x04000000;
27 print "ok 5 - \$^H contains HINT_HH_FOR_EVAL while compiling\n";
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28 }
29 {
30 BEGIN { $^H |= 0x00020000; $^H{foo} = "b"; }
31 BEGIN {
32 print "not " if $^H{foo} ne "b";
af796537 33 print "ok 6 - \$^H{foo} is now 'b'\n";
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34 }
35 }
36 BEGIN {
37 print "not " if $^H{foo} ne "a";
af796537 38 print "ok 7 - \$H^{foo} restored to 'a'\n";
045ac317 39 }
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40 # The pragma settings disappear after compilation
41 # (test at CHECK-time and at run-time)
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42 CHECK {
43 print "not " if exists $^H{foo};
af796537 44 print "ok 10 - \$^H{foo} doesn't exist when compilation complete\n";
dbc6b789 45 print "not " if $^H & 0x00020000;
af796537 46 print "ok 11 - \$^H doesn't contain HINT_LOCALIZE_HH when compilation complete\n";
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47 }
48 print "not " if exists $^H{foo};
af796537 49 print "ok 12 - \$^H{foo} doesn't exist at runtime\n";
dbc6b789 50 print "not " if $^H & 0x00020000;
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51 print "ok 13 - \$^H doesn't contain HINT_LOCALIZE_HH at run-time\n";
52 print "not " if $^H & 0x04000000;
53 print "ok 14 - \$^H doesn't contain HINT_HH_FOR_EVAL at run-time\n";
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54 # op_entereval should keep the pragmas it was compiled with
55 eval q*
56 print "not " if $^H{foo} ne "a";
af796537 57 print "ok 15 - \$^H{foo} is 'a' at eval-\"\" time\n";
dbc6b789 58 print "not " unless $^H & 0x00020000;
af796537 59 print "ok 16 - \$^H contains HINT_LOCALIZE_HH at eval\"\"-time\n";
dbc6b789 60 *;
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61}
62BEGIN {
63 print "not " if exists $^H{foo};
af796537 64 print "ok 8 - \$^H{foo} doesn't exist while finishing compilation\n";
dbc6b789 65 print "not " if $^H & 0x00020000;
af796537 66 print "ok 9 - \$^H doesn't contain HINT_LOCALIZE_HH while finishing compilation\n";
045ac317 67}
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68
69require 'test.pl';
70
71# bug #27040: hints hash was being double-freed
72my $result = runperl(
73 prog => '$^H |= 0x20000; eval q{BEGIN { $^H |= 0x20000 }}',
74 stderr => 1
75);
76print "not " if length $result;
af796537 77print "ok 17 - double-freeing hints hash\n";
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78print "# got: $result\n" if length $result;
79