6 if (($Config::Config{'extensions'} !~ /\bB\b/) ){
7 print "1..0 # Skip -- Perl configured without B module\n";
15 use Test::More tests => 57;
17 BEGIN { use_ok( 'B' ); }
20 package Testing::Symtable;
21 use vars qw($This @That %wibble $moo %moo);
22 my $not_a_sym = 'moo';
28 package Testing::Symtable::Foo;
31 package Testing::Symtable::Bar;
37 B::walksymtable(\%Testing::Symtable::, 'find_syms', sub { $_[0] =~ /Foo/ },
38 'Testing::Symtable::');
40 sub B::GV::find_syms {
43 $main::Subs{$symbol->STASH->NAME . '::' . $symbol->NAME}++;
46 my @syms = map { 'Testing::Symtable::'.$_ } qw(This That wibble moo car
48 push @syms, "Testing::Symtable::Foo::yarrow";
50 # Make sure we hit all the expected symbols.
51 ok( join('', sort @syms) eq join('', sort keys %Subs), 'all symbols found' );
53 # Make sure we only hit them each once.
54 ok( (!grep $_ != 1, values %Subs), '...and found once' );
56 # Tests for MAGIC / MOREMAGIC
57 ok( B::svref_2object(\$.)->MAGIC->TYPE eq "\0", '$. has \0 magic' );
60 local $SIG{__DIE__} = sub { $e = $_[0] };
61 # Used to dump core, bug #16828
62 eval { B::svref_2object(\$.)->MAGIC->MOREMAGIC->TYPE; };
63 like( $e, qr/Can't call method "TYPE" on an undefined value/,
64 '$. has no more magic' );
68 my $obj = B::svref_2object($r);
69 my $regexp = ($] < 5.011) ? $obj->MAGIC : $obj;
70 ok($regexp->precomp() eq 'foo', 'Get string from qr//');
71 like($regexp->REGEX(), qr/\d+/, "REGEX() returns numeric value");
73 my $iv_ref = B::svref_2object(\$iv);
74 is(ref $iv_ref, "B::IV", "Test B:IV return from svref_2object");
75 is($iv_ref->REFCNT, 1, "Test B::IV->REFCNT");
76 # Flag tests are needed still
77 #diag $iv_ref->FLAGS();
78 my $iv_ret = $iv_ref->object_2svref();
79 is(ref $iv_ret, "SCALAR", "Test object_2svref() return is SCALAR");
80 is($$iv_ret, $iv, "Test object_2svref()");
81 is($iv_ref->int_value, $iv, "Test int_value()");
82 is($iv_ref->IV, $iv, "Test IV()");
83 is($iv_ref->IVX(), $iv, "Test IVX()");
84 is($iv_ref->UVX(), $iv, "Test UVX()");
87 my $pv_ref = B::svref_2object(\$pv);
88 is(ref $pv_ref, "B::PV", "Test B::PV return from svref_2object");
89 is($pv_ref->REFCNT, 1, "Test B::PV->REFCNT");
90 # Flag tests are needed still
91 #diag $pv_ref->FLAGS();
92 my $pv_ret = $pv_ref->object_2svref();
93 is(ref $pv_ret, "SCALAR", "Test object_2svref() return is SCALAR");
94 is($$pv_ret, $pv, "Test object_2svref()");
95 is($pv_ref->PV(), $pv, "Test PV()");
96 eval { is($pv_ref->RV(), $pv, "Test RV()"); };
98 is($pv_ref->PVX(), $pv, "Test PVX()");
101 my $nv_ref = B::svref_2object(\$nv);
102 is(ref $nv_ref, "B::NV", "Test B::NV return from svref_2object");
103 is($nv_ref->REFCNT, 1, "Test B::NV->REFCNT");
104 # Flag tests are needed still
105 #diag $nv_ref->FLAGS();
106 my $nv_ret = $nv_ref->object_2svref();
107 is(ref $nv_ret, "SCALAR", "Test object_2svref() return is SCALAR");
108 is($$nv_ret, $nv, "Test object_2svref()");
109 is($nv_ref->NV, $nv, "Test NV()");
110 is($nv_ref->NVX(), $nv, "Test NVX()");
113 my $null_ref = B::svref_2object(\$null);
114 is(ref $null_ref, "B::NULL", "Test B::NULL return from svref_2object");
115 is($null_ref->REFCNT, 1, "Test B::NULL->REFCNT");
116 # Flag tests are needed still
117 #diag $null_ref->FLAGS();
118 my $null_ret = $nv_ref->object_2svref();
119 is(ref $null_ret, "SCALAR", "Test object_2svref() return is SCALAR");
120 is($$null_ret, $nv, "Test object_2svref()");
122 my $RV_class = $] >= 5.011 ? 'B::IV' : 'B::RV';
124 my $cv_ref = B::svref_2object(\$cv);
125 is($cv_ref->REFCNT, 1, "Test $RV_class->REFCNT");
126 is(ref $cv_ref, "$RV_class",
127 "Test $RV_class return from svref_2object - code");
128 my $cv_ret = $cv_ref->object_2svref();
129 is(ref $cv_ret, "REF", "Test object_2svref() return is REF");
130 is($$cv_ret, $cv, "Test object_2svref()");
133 my $av_ref = B::svref_2object(\$av);
134 is(ref $av_ref, "$RV_class",
135 "Test $RV_class return from svref_2object - array");
138 my $hv_ref = B::svref_2object(\$hv);
139 is(ref $hv_ref, "$RV_class",
140 "Test $RV_class return from svref_2object - hash");
143 my $gv_ref = B::svref_2object(\*gv);
144 is(ref $gv_ref, "B::GV", "Test B::GV return from svref_2object");
145 ok(! $gv_ref->is_empty(), "Test is_empty()");
146 is($gv_ref->NAME(), "gv", "Test NAME()");
147 is($gv_ref->SAFENAME(), "gv", "Test SAFENAME()");
148 like($gv_ref->FILE(), qr/b\.t$/, "Testing FILE()");
150 # The following return B::SPECIALs.
151 is(ref B::sv_yes(), "B::SPECIAL", "B::sv_yes()");
152 is(ref B::sv_no(), "B::SPECIAL", "B::sv_no()");
153 is(ref B::sv_undef(), "B::SPECIAL", "B::sv_undef()");
155 # More utility functions
156 is(B::ppname(0), "pp_null", "Testing ppname (this might break if opnames.h is changed)");
157 is(B::opnumber("null"), 0, "Testing opnumber with opname (null)");
158 is(B::opnumber("pp_null"), 0, "Testing opnumber with opname (pp_null)");
159 like(B::hash("wibble"), qr/0x[0-9a-f]*/, "Testing B::hash()");
160 is(B::cstring("wibble"), '"wibble"', "Testing B::cstring()");
161 is(B::perlstring("wibble"), '"wibble"', "Testing B::perlstring()");
162 is(B::class(bless {}, "Wibble::Bibble"), "Bibble", "Testing B::class()");
163 is(B::cast_I32(3.14), 3, "Testing B::cast_I32()");
164 is(B::opnumber("chop"), 38, "Testing opnumber with opname (chop)");
168 my $sg = B::sub_generation();
169 *UNIVERSAL::hand_waving = sub { };
170 ok( $sg < B::sub_generation, "sub_generation increments" );
174 my $ag = B::amagic_generation();
179 overload->import( '""' => sub {"What? You want more?!"} );
181 ok( $ag < B::amagic_generation, "amagic_generation increments" );