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fix O_CREAT without O_TRUNC in cpan/autodie/t/utf8_open.t
[perl5.git] / t / porting / globvar.t
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1#!perl -w
2
3use TestInit qw(T);
4use strict;
5use Config;
6
7require 't/test.pl';
8
9skip_all("Code to read symbols not ported to $^O")
b63f993a 10 if $^O eq 'VMS' or $^O eq 'MSWin32';
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11
12# Not investigated *why* we don't export these, but we don't, and we've not
13# received any bug reports about it causing problems:
14my %skip = map { ("PL_$_", 1) }
15 qw(
16 DBcv bitcount cshname force_link_funcs generation lastgotoprobe
b36527fc 17 mod_latin1_uc modcount no_symref_sv timesbuf uudmap
7833c8a6 18 watchaddr watchok warn_uninit_sv
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19 );
20
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21$skip{PL_hash_rand_bits}= $skip{PL_hash_rand_bits_enabled}= 1; # we can be compiled without these, so skip testing them
22
23
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24my $trial = "nm globals$Config{_o} 2>&1";
25my $yes = `$trial`;
26
27skip_all("Could not run `$trial`") if $?;
28
29my $defined = qr/^[0-9a-fA-F]{8,16}\s+[^Uu]\s+_?/m;
30
31skip_all("Could not spot definition of PL_Yes in output of `$trial`")
32 unless $yes =~ /${defined}PL_Yes/m;
33
34my %exported;
35open my $fh, '-|', $^X, '-Ilib', './makedef.pl', 'PLATFORM=test'
36 or die "Can't run makedef.pl";
37
38while (<$fh>) {
39 next unless /^PL_/;
40 chomp;
41 ++$exported{$_};
42}
43
44close $fh or die "Problem running makedef.pl";
45
46my %unexported;
47
48foreach my $file (map {$_ . $Config{_o}} qw(globals regcomp)) {
49 open $fh, '-|', 'nm', $file
50 or die "Can't run nm $file";
51
52 while (<$fh>) {
53 next unless /$defined(PL_\S+)/;
54 if (delete $exported{$1}) {
55 note("Seen definition of $1");
56 next;
57 }
58 ++$unexported{$1};
59 }
60 close $fh or die "Problem running nm $file";
61}
62
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63foreach (sort keys %exported) {
64 SKIP: {
65 skip("We dont't export '$_' (Perl not built with this enabled?)",1) if $skip{$_};
66 fail("Attempting to export '$_' which is never defined");
67 }
68}
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69
70foreach (sort keys %unexported) {
71 SKIP: {
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72 skip("We don't export '$_'", 1) if $skip{$_};
73 fail("'$_' is defined, but we do not export it");
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74 }
75}
76
77done_testing();