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D'oh. Don't turn on warnings on the #! line without actually testing
[perl5.git] / ext / B / t / b.t
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1#!./perl
2
3BEGIN {
4 chdir 't' if -d 't';
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5 if ($^O eq 'MacOS') {
6 @INC = qw(: ::lib ::macos:lib);
7 } else {
8 @INC = '.';
9 push @INC, '../lib';
db5fd395 10 }
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11}
12
13$| = 1;
14use warnings;
15use strict;
c5f0f3aa 16use Test::More tests => 5;
ccc418af 17
c5f0f3aa 18BEGIN { use_ok( 'B' ); }
ccc418af 19
08c6f5ec 20
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21package Testing::Symtable;
22use vars qw($This @That %wibble $moo %moo);
23my $not_a_sym = 'moo';
ccc418af 24
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25sub moo { 42 }
26sub car { 23 }
ccc418af 27
f70490b9 28
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29package Testing::Symtable::Foo;
30sub yarrow { "Hock" }
f70490b9 31
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32package Testing::Symtable::Bar;
33sub hock { "yarrow" }
9b86dfa2 34
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35package main;
36use vars qw(%Subs);
37local %Subs = ();
38B::walksymtable(\%Testing::Symtable::, 'find_syms', sub { $_[0] =~ /Foo/ },
39 'Testing::Symtable::');
ccc418af 40
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41sub B::GV::find_syms {
42 my($symbol) = @_;
de3f1649 43
87a42246 44 $main::Subs{$symbol->STASH->NAME . '::' . $symbol->NAME}++;
cfe9256d 45}
ccc418af 46
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47my @syms = map { 'Testing::Symtable::'.$_ } qw(This That wibble moo car
48 BEGIN);
49push @syms, "Testing::Symtable::Foo::yarrow";
ccc418af 50
87a42246 51# Make sure we hit all the expected symbols.
c5f0f3aa 52ok( join('', sort @syms) eq join('', sort keys %Subs), 'all symbols found' );
1e1dbab6 53
87a42246 54# Make sure we only hit them each once.
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RGS
55ok( (!grep $_ != 1, values %Subs), '...and found once' );
56
57# Tests for MAGIC / MOREMAGIC
58ok( B::svref_2object(\$.)->MAGIC->TYPE eq "\0", '$. has \0 magic' );
59{
60 my $e = '';
61 local $SIG{__DIE__} = sub { $e = $_[0] };
62 # Used to dump core, bug #16828
63 eval { B::svref_2object(\$.)->MAGIC->MOREMAGIC->TYPE; };
64 like( $e, qr/Can't call method "TYPE" on an undefined value/,
65 '$. has no more magic' );
66}