#!./perl
BEGIN {
- if ($ENV{PERL_CORE}){
- chdir('t') if -d 't';
- if ($^O eq 'MacOS') {
- @INC = qw(: ::lib ::macos:lib);
- } else {
- @INC = '.';
- push @INC, '../lib';
- }
- } else {
- unshift @INC, 't';
- }
+ unshift @INC, 't';
require Config;
if (($Config::Config{'extensions'} !~ /\bB\b/) ){
print "1..0 # Skip -- Perl configured without B module\n";
$| = 1;
use warnings;
use strict;
-use Test::More tests => 57;
+use Test::More;
BEGIN { use_ok( 'B' ); }
'$. has no more magic' );
}
-ok(B::svref_2object(qr/foo/)->MAGIC->precomp() eq 'foo', 'Get string from qr//');
-like(B::svref_2object(qr/foo/)->MAGIC->REGEX(), qr/\d+/, "REGEX() returns numeric value");
+{
+ my $pie = 'Good';
+ # This needs to be a package variable, as vars in the pad have some flags.
+ my $r = B::svref_2object(\$::data2);
+ is($r->FLAGS(), 0, "uninitialised package variable has flags of 0");
+ is($r->SvTYPE(), 0, "uninitialised package variable has type 0");
+ is($r->POK(), 0, "POK false");
+ is($r->ROK(), 0, "ROK false");
+ is($r->MAGICAL(), 0, "MAGICAL false");
+ $::data2 = $pie;
+ isnt($r->FLAGS(), 0, "initialised package variable has nonzero flags");
+ isnt($r->SvTYPE(), 0, "initialised package variable has nonzero type");
+ isnt($r->POK(), 0, "POK true");
+ is($r->ROK(), 0, "ROK false");
+ is($r->MAGICAL(), 0, "MAGICAL false");
+
+ $::data2 = substr $pie, 0, 1;
+ isnt($r->FLAGS(), 0, "initialised package variable has nonzero flags");
+ isnt($r->SvTYPE(), 0, "initialised package variable has nonzero type");
+ isnt($r->POK(), 0, "POK true");
+ is($r->ROK(), 0, "ROK false");
+ is($r->MAGICAL(), 0, "MAGICAL true");
+
+ $::data2 = \$pie;
+ isnt($r->FLAGS(), 0, "initialised package variable has nonzero flags");
+ isnt($r->SvTYPE(), 0, "initialised package variable has nonzero type");
+ is($r->POK(), 0, "POK false");
+ isnt($r->ROK(), 0, "ROK true");
+ is($r->MAGICAL(), 0, "MAGICAL false");
+
+ is($r->REFCNT(), 1, "Reference count is 1");
+ {
+ my $ref = \$::data2;
+ is($r->REFCNT(), 2, "Second reference");
+ }
+ is($r->REFCNT(), 1, "Reference count is 1");
+
+}
+
+my $r = qr/foo/;
+my $obj = B::svref_2object($r);
+my $regexp = ($] < 5.011) ? $obj->MAGIC : $obj;
+ok($regexp->precomp() eq 'foo', 'Get string from qr//');
+like($regexp->REGEX(), qr/\d+/, "REGEX() returns numeric value");
my $iv = 1;
my $iv_ref = B::svref_2object(\$iv);
is(ref $iv_ref, "B::IV", "Test B:IV return from svref_2object");
is($iv_ref->IV, $iv, "Test IV()");
is($iv_ref->IVX(), $iv, "Test IVX()");
is($iv_ref->UVX(), $iv, "Test UVX()");
+is(eval { $iv_ref->RV() }, undef, 'Test RV() on IV');
+like($@, qr/argument is not SvROK/, 'Test RV() IV');
+$iv = \"Pie";
+my $val = eval { $iv_ref->RV() };
+is(ref $val, 'B::PV', 'Test RV() on a reference');
+is($val->PV(), 'Pie', 'Value expected');
+is($@, '', "Test RV()");
my $pv = "Foo";
my $pv_ref = B::svref_2object(\$pv);
is(ref $pv_ret, "SCALAR", "Test object_2svref() return is SCALAR");
is($$pv_ret, $pv, "Test object_2svref()");
is($pv_ref->PV(), $pv, "Test PV()");
-eval { is($pv_ref->RV(), $pv, "Test RV()"); };
-ok($@, "Test RV()");
+is(eval { $pv_ref->RV() }, undef, 'Test RV() on PV');
+like($@, qr/argument is not SvROK/, 'Test RV() on PV');
is($pv_ref->PVX(), $pv, "Test PVX()");
+$pv = \"Pie";
+$val = eval { $pv_ref->RV() };
+is(ref $val, 'B::PV', 'Test RV() on a reference');
+is($val->PV(), 'Pie', 'Value expected');
+is($@, '', "Test RV()");
my $nv = 1.1;
my $nv_ref = B::svref_2object(\$nv);
is($$nv_ret, $nv, "Test object_2svref()");
is($nv_ref->NV, $nv, "Test NV()");
is($nv_ref->NVX(), $nv, "Test NVX()");
+is(eval { $nv_ref->RV() }, undef, 'Test RV() on NV');
+like($@, qr/Can't locate object method "RV" via package "B::NV"/,
+ 'Test RV() on NV');
my $null = undef;
my $null_ref = B::svref_2object(\$null);
is(ref $null_ret, "SCALAR", "Test object_2svref() return is SCALAR");
is($$null_ret, $nv, "Test object_2svref()");
+my $RV_class = $] >= 5.011 ? 'B::IV' : 'B::RV';
my $cv = sub{ 1; };
my $cv_ref = B::svref_2object(\$cv);
-is($cv_ref->REFCNT, 1, "Test B::RV->REFCNT");
-is(ref $cv_ref, "B::RV", "Test B::RV return from svref_2object - code");
+is($cv_ref->REFCNT, 1, "Test $RV_class->REFCNT");
+is(ref $cv_ref, "$RV_class",
+ "Test $RV_class return from svref_2object - code");
my $cv_ret = $cv_ref->object_2svref();
is(ref $cv_ret, "REF", "Test object_2svref() return is REF");
is($$cv_ret, $cv, "Test object_2svref()");
my $av = [];
my $av_ref = B::svref_2object(\$av);
-is(ref $av_ref, "B::RV", "Test B::RV return from svref_2object - array");
+is(ref $av_ref, "$RV_class",
+ "Test $RV_class return from svref_2object - array");
my $hv = [];
my $hv_ref = B::svref_2object(\$hv);
-is(ref $hv_ref, "B::RV", "Test B::RV return from svref_2object - hash");
+is(ref $hv_ref, "$RV_class",
+ "Test $RV_class return from svref_2object - hash");
local *gv = *STDOUT;
my $gv_ref = B::svref_2object(\*gv);
is(ref $gv_ref, "B::GV", "Test B::GV return from svref_2object");
ok(! $gv_ref->is_empty(), "Test is_empty()");
+ok($gv_ref->isGV_with_GP(), "Test isGV_with_GP()");
is($gv_ref->NAME(), "gv", "Test NAME()");
is($gv_ref->SAFENAME(), "gv", "Test SAFENAME()");
like($gv_ref->FILE(), qr/b\.t$/, "Testing FILE()");
+is($gv_ref->SvTYPE(), B::SVt_PVGV, "Test SvTYPE()");
+is($gv_ref->FLAGS() & B::SVTYPEMASK, B::SVt_PVGV, "Test SVTYPEMASK");
# The following return B::SPECIALs.
is(ref B::sv_yes(), "B::SPECIAL", "B::sv_yes()");
is(B::ppname(0), "pp_null", "Testing ppname (this might break if opnames.h is changed)");
is(B::opnumber("null"), 0, "Testing opnumber with opname (null)");
is(B::opnumber("pp_null"), 0, "Testing opnumber with opname (pp_null)");
-like(B::hash("wibble"), qr/0x[0-9a-f]*/, "Testing B::hash()");
-is(B::cstring("wibble"), '"wibble"', "Testing B::cstring()");
-is(B::perlstring("wibble"), '"wibble"', "Testing B::perlstring()");
+{
+ my $hash = B::hash("wibble");
+ like($hash, qr/\A0x[0-9a-f]+\z/, "Testing B::hash(\"wibble\")");
+ unlike($hash, qr/\A0x0+\z/, "Testing B::hash(\"wibble\")");
+
+ SKIP: {
+ skip "Nulls don't hash to the same bucket regardless of length with this PERL_HASH implementation", 20
+ if B::hash("") ne B::hash("\0" x 19);
+ like(B::hash("\0" x $_), qr/\A0x0+\z/, "Testing B::hash(\"0\" x $_)")
+ for 0..19;
+ }
+
+ $hash = eval {B::hash(chr 256)};
+ is($hash, undef, "B::hash() refuses non-octets");
+ like($@, qr/^Wide character in subroutine entry/);
+
+ $hash = B::hash(chr 163);
+ my $str = chr(163) . chr 256;
+ chop $str;
+ is(B::hash($str), $hash, 'B::hash() with chr 128-256 is well-behaved');
+}
+{
+ is(B::cstring(undef), '0', "Testing B::cstring(undef)");
+ is(B::perlstring(undef), '0', "Testing B::perlstring(undef)");
+
+ my @common = map {eval $_, $_}
+ '"wibble"', '"\""', '"\'"', '"\\\\"', '"\\n\\r\\t\\b\\a\\f"', '"\000"',
+ '"\000\000"', '"\000Bing\000"', ord 'N' == 78 ? '"\\177"' : ();
+
+ my $oct = sprintf "\\%03o", ord '?';
+ my @tests = (@common, '$_', '"$_"', '@_', '"@_"', '??N', qq{"$oct?N"},
+ ord 'N' == 78 ? (chr 11, '"\v"'): ());
+ while (my ($test, $expect) = splice @tests, 0, 2) {
+ is(B::cstring($test), $expect, "B::cstring($expect)");
+ }
+
+ @tests = (@common, '$_', '"\$_"', '@_', '"\@_"', '??N', '"??N"',
+ chr 256, '"\x{100}"', chr 65536, '"\x{10000}"',
+ ord 'N' == 78 ? (chr 11, '"\013"'): ());
+ while (my ($test, $expect) = splice @tests, 0, 2) {
+ is(B::perlstring($test), $expect, "B::perlstring($expect)");
+ utf8::upgrade $test;
+ $expect =~ s/\\b/\\x\{8\}/g;
+ $expect =~ s/\\([0-7]{3})/sprintf "\\x\{%x\}", oct $1/eg;
+ is(B::perlstring($test), $expect, "B::perlstring($expect) (Unicode)");
+ }
+}
+{
+ my @tests = ((map {eval(qq{"$_"}), $_} '\\n', '\\r', '\\t',
+ '\\b', '\\a', '\\f', '\\000', '\\\'', '?'), '"', '"',
+ ord 'N' == 78 ? (chr 11, '\v', "\177", '\\177') : ());
+
+ while (my ($test, $expect) = splice @tests, 0, 2) {
+ is(B::cchar($test), "'${expect}'", "B::cchar(qq{$expect})");
+ }
+}
+
is(B::class(bless {}, "Wibble::Bibble"), "Bibble", "Testing B::class()");
is(B::cast_I32(3.14), 3, "Testing B::cast_I32()");
-is(B::opnumber("localtime"), 294, "Testing opnumber with opname (localtime)");
+is(B::opnumber("chop"), $] >= 5.015 ? 39 : 38,
+ "Testing opnumber with opname (chop)");
{
no warnings 'once';
my $sg = B::sub_generation();
- *Whatever::hand_waving = sub { };
+ *UNIVERSAL::hand_waving = sub { };
ok( $sg < B::sub_generation, "sub_generation increments" );
}
+like( B::amagic_generation, qr/^\d+\z/, "amagic_generation" );
+
+is(B::svref_2object(sub {})->ROOT->ppaddr, 'PL_ppaddr[OP_LEAVESUB]',
+ 'OP->ppaddr');
+
+# This one crashes from perl 5.8.9 to B 1.24 (perl 5.13.6):
+B::svref_2object(sub{y/\x{100}//})->ROOT->first->first->sibling->sv;
+ok 1, 'B knows that UTF trans is a padop in 5.8.9, not an svop';
+
+{
+ format FOO =
+foo
+.
+ my $f = B::svref_2object(*FOO{FORMAT});
+ isa_ok $f, 'B::FM';
+ can_ok $f, 'LINES';
+}
+
+is B::safename("\cLAST_FH"), "^LAST_FH", 'basic safename test';
+
+my $sub1 = sub {die};
+{ no warnings 'once'; no strict; *Peel:: = *{"Pe\0e\x{142}::"} }
+my $sub2 = eval 'package Peel; sub {die}';
+my $cop = B::svref_2object($sub1)->ROOT->first->first;
+my $bobby = B::svref_2object($sub2)->ROOT->first->first;
+is $cop->stash->object_2svref, \%main::, 'COP->stash';
+is $cop->stashpv, 'main', 'COP->stashpv';
+
+SKIP: {
+ skip "no nulls in packages before 5.17", 1 if $] < 5.017;
+ is $bobby->stashpv, "Pe\0e\x{142}", 'COP->stashpv with utf8 and nulls';
+}
+
+SKIP: {
+ skip "no stashoff", 2 if $] < 5.017 || !$Config::Config{useithreads};
+ like $cop->stashoff, qr/^[1-9]\d*\z/a, 'COP->stashoff';
+ isnt $cop->stashoff, $bobby->stashoff,
+ 'different COP->stashoff for different stashes';
+}
+
+
+# Test $B::overlay
{
- my $ag = B::amagic_generation();
+ my $methods = {
+ BINOP => [ qw(last) ],
+ COP => [ qw(arybase cop_seq file filegv hints hints_hash io
+ label line stash stashpv
+ stashoff warnings) ],
+ LISTOP => [ qw(children) ],
+ LOGOP => [ qw(other) ],
+ LOOP => [ qw(lastop nextop redoop) ],
+ OP => [ qw(desc flags name next opt ppaddr private sibling
+ size spare targ type) ],
+ PADOP => [ qw(gv padix sv) ],
+ PMOP => [ qw(code_list pmflags pmoffset pmreplroot pmreplstart pmstash pmstashpv precomp reflags) ],
+ PVOP => [ qw(pv) ],
+ SVOP => [ qw(gv sv) ],
+ UNOP => [ qw(first) ],
+ };
+
+ my $overlay = {};
+ my $op = B::svref_2object(sub { my $x = 1 })->ROOT;
+
+ for my $class (sort keys %$methods) {
+ for my $meth (@{$methods->{$class}}) {
+ my $full = "B::${class}::$meth";
+ die "Duplicate method '$full'\n"
+ if grep $_ eq $full, @{$overlay->{$meth}};
+ push @{$overlay->{$meth}}, "B::${class}::$meth";
+ }
+ }
+
{
+ local $B::overlay; # suppress 'used once' warning
+ local $B::overlay = { $$op => $overlay };
- package Whatever;
- require overload;
- overload->import( '""' => sub {"What? You want more?!"} );
+ for my $class (sort keys %$methods) {
+ bless $op, "B::$class"; # naughty
+ for my $meth (@{$methods->{$class}}) {
+ if ($op->can($meth)) {
+ my $list = $op->$meth;
+ ok(defined $list
+ && ref($list) eq "ARRAY"
+ && grep($_ eq "B::${class}::$meth", @$list),
+ "overlay: B::$class $meth");
+ }
+ else {
+ pass("overlay: B::$class $meth (skipped; no method)");
+ }
+ }
+ }
}
- ok( $ag < B::amagic_generation, "amagic_generation increments" );
+ # B::overlay should be disabled again here
+ is($op->name, "leavesub", "overlay: orig name");
}
+
+{ # [perl #118525]
+ {
+ sub foo {}
+ my $cv = B::svref_2object(\&foo);
+ ok($cv, "make a B::CV from a non-anon sub reference");
+ isa_ok($cv, "B::CV");
+ my $gv = $cv->GV;
+ ok($gv, "we get a GV from a GV on a normal sub");
+ isa_ok($gv, "B::GV");
+ is($gv->NAME, "foo", "check the GV name");
+ SKIP:
+ { # do we need these version checks?
+ skip "no HEK before 5.18", 1 if $] < 5.018;
+ is($cv->NAME_HEK, undef, "no hek for a global sub");
+ }
+ }
+
+SKIP:
+ {
+ skip "no HEK before 5.18", 4 if $] < 5.018;
+ eval <<'EOS'
+ {
+ use feature 'lexical_subs';
+ no warnings 'experimental::lexical_subs';
+ my sub bar {};
+ my $cv = B::svref_2object(\&bar);
+ ok($cv, "make a B::CV from a lexical sub reference");
+ isa_ok($cv, "B::CV");
+ my $hek = $cv->NAME_HEK;
+ is($hek, "bar", "check the NAME_HEK");
+ my $gv = $cv->GV;
+ isa_ok($gv, "B::GV", "GV on a lexical sub");
+ }
+ 1;
+EOS
+ or die "lexical_subs test failed to compile: $@";
+ }
+}
+
+{ # [perl #120535]
+ my %h = ( "\x{100}" => 1 );
+ my $b = B::svref_2object(\%h);
+ my ($k, $v) = $b->ARRAY;
+ is($k, "\x{100}", "check utf8 preserved by B::HV::ARRAY");
+}
+
+# test op_parent
+
+SKIP: {
+ unless ($Config::Config{ccflags} =~ /PERL_OP_PARENT/) {
+ skip "op_parent only present with -DPERL_OP_PARENT builds", 6;
+ }
+ my $lineseq = B::svref_2object(sub{my $x = 1})->ROOT->first;
+ is ($lineseq->type, B::opnumber('lineseq'),
+ 'op_parent: top op is lineseq');
+ my $first = $lineseq->first;
+ my $second = $first->sibling;
+ is(ref $second->sibling, "B::NULL", 'op_parent: second sibling is null');
+ is($first->lastsib, 0 , 'op_parent: first sibling: !lastsib');
+ is($second->lastsib, 1, 'op_parent: second sibling: lastsib');
+ is($$lineseq, ${$first->parent}, 'op_parent: first sibling okay');
+ is($$lineseq, ${$second->parent}, 'op_parent: second sibling okay');
+}
+
+
+done_testing();
https://perl5.git.perl.org / perl5.git / blobdiff