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|
#!./perl
# Tests the scoping of $^H and %^H
BEGIN {
@INC = qw(. ../lib);
}
BEGIN { print "1..28\n"; }
BEGIN {
print "not " if exists $^H{foo};
print "ok 1 - \$^H{foo} doesn't exist initially\n";
if (${^OPEN}) {
print "not " unless $^H & 0x00020000;
print "ok 2 - \$^H contains HINT_LOCALIZE_HH initially with ${^OPEN}\n";
} else {
print "not " if $^H & 0x00020000;
print "ok 2 - \$^H doesn't contain HINT_LOCALIZE_HH initially\n";
}
}
{
# simulate a pragma -- don't forget HINT_LOCALIZE_HH
BEGIN { $^H |= 0x04020000; $^H{foo} = "a"; }
BEGIN {
print "not " if $^H{foo} ne "a";
print "ok 3 - \$^H{foo} is now 'a'\n";
print "not " unless $^H & 0x00020000;
print "ok 4 - \$^H contains HINT_LOCALIZE_HH while compiling\n";
}
{
BEGIN { $^H |= 0x00020000; $^H{foo} = "b"; }
BEGIN {
print "not " if $^H{foo} ne "b";
print "ok 5 - \$^H{foo} is now 'b'\n";
}
}
BEGIN {
print "not " if $^H{foo} ne "a";
print "ok 6 - \$^H{foo} restored to 'a'\n";
}
# The pragma settings disappear after compilation
# (test at CHECK-time and at run-time)
CHECK {
print "not " if exists $^H{foo};
print "ok 9 - \$^H{foo} doesn't exist when compilation complete\n";
if (${^OPEN}) {
print "not " unless $^H & 0x00020000;
print "ok 10 - \$^H contains HINT_LOCALIZE_HH when compilation complete with ${^OPEN}\n";
} else {
print "not " if $^H & 0x00020000;
print "ok 10 - \$^H doesn't contain HINT_LOCALIZE_HH when compilation complete\n";
}
}
print "not " if exists $^H{foo};
print "ok 11 - \$^H{foo} doesn't exist at runtime\n";
if (${^OPEN}) {
print "not " unless $^H & 0x00020000;
print "ok 12 - \$^H contains HINT_LOCALIZE_HH at run-time with ${^OPEN}\n";
} else {
print "not " if $^H & 0x00020000;
print "ok 12 - \$^H doesn't contain HINT_LOCALIZE_HH at run-time\n";
}
# op_entereval should keep the pragmas it was compiled with
eval q*
BEGIN {
print "not " if $^H{foo} ne "a";
print "ok 13 - \$^H{foo} is 'a' at eval-\"\" time\n";
print "not " unless $^H & 0x00020000;
print "ok 14 - \$^H contains HINT_LOCALIZE_HH at eval\"\"-time\n";
}
*;
}
BEGIN {
print "not " if exists $^H{foo};
print "ok 7 - \$^H{foo} doesn't exist while finishing compilation\n";
if (${^OPEN}) {
print "not " unless $^H & 0x00020000;
print "ok 8 - \$^H contains HINT_LOCALIZE_HH while finishing compilation with ${^OPEN}\n";
} else {
print "not " if $^H & 0x00020000;
print "ok 8 - \$^H doesn't contain HINT_LOCALIZE_HH while finishing compilation\n";
}
}
{
BEGIN{$^H{x}=1};
for my $tno (15..16) {
eval q(
BEGIN {
print $^H{x}==1 && !$^H{y} ? "ok $tno\n" : "not ok $tno\n";
}
$^H{y} = 1;
);
if ($@) {
(my $str = $@)=~s/^/# /gm;
print "not ok $tno\n$str\n";
}
}
}
{
BEGIN { $^H |= 0x04000000; $^H{foo} = "z"; }
our($ri0, $rf0); BEGIN { $ri0 = $^H; $rf0 = $^H{foo}; }
print +($ri0 & 0x04000000 ? "" : "not "), "ok 17 - \$^H correct before require\n";
print +($rf0 eq "z" ? "" : "not "), "ok 18 - \$^H{foo} correct before require\n";
our($ra1, $ri1, $rf1, $rfe1);
BEGIN { require "comp/hints.aux"; }
print +(!($ri1 & 0x04000000) ? "" : "not "), "ok 19 - \$^H cleared for require\n";
print +(!defined($rf1) && !$rfe1 ? "" : "not "), "ok 20 - \$^H{foo} cleared for require\n";
our($ri2, $rf2); BEGIN { $ri2 = $^H; $rf2 = $^H{foo}; }
print +($ri2 & 0x04000000 ? "" : "not "), "ok 21 - \$^H correct after require\n";
print +($rf2 eq "z" ? "" : "not "), "ok 22 - \$^H{foo} correct after require\n";
}
# [perl #73174]
{
my $res;
BEGIN { $^H{73174} = "foo" }
BEGIN { $res = ($^H{73174} // "") }
"" =~ /\x{100}/i; # forces loading of utf8.pm, which used to reset %^H
BEGIN { $res .= '-' . ($^H{73174} // "")}
$res .= '-' . ($^H{73174} // "");
print $res eq "foo-foo-" ? "" : "not ",
"ok 23 - \$^H{foo} correct after /unicode/i (res=$res)\n";
}
# [perl #106282] Crash when tying %^H
# Tying %^H should not result in a crash when the hint hash is cloned.
# Hints should also be copied properly to inner scopes. See also
# [rt.cpan.org #73402].
eval q`
# Do something naughty enough, and you get your module mentioned in the
# test suite. :-)
package namespace::clean::_TieHintHash;
sub TIEHASH { bless[] }
sub STORE { $_[0][0]{$_[1]} = $_[2] }
sub FETCH { $_[0][0]{$_[1]} }
sub FIRSTKEY { my $a = scalar keys %{$_[0][0]}; each %{$_[0][0]} }
sub NEXTKEY { each %{$_[0][0]} }
package main;
BEGIN {
$^H{foo} = "bar"; # activate localisation magic
tie( %^H, 'namespace::clean::_TieHintHash' ); # sabotage %^H
$^H{foo} = "bar"; # create an element in the tied hash
}
{ # clone the tied hint hash on scope entry
BEGIN {
print "not " x ($^H{foo} ne 'bar'),
"ok 24 - tied hint hash is copied to inner scope\n";
%^H = ();
tie( %^H, 'namespace::clean::_TieHintHash' );
$^H{foo} = "bar";
}
{
BEGIN{
print
"not " x ($^H{foo} ne 'bar'),
"ok 25 - tied empty hint hash is copied to inner scope\n"
}
}
1;
}
1;
` or warn $@;
print "ok 26 - no crash when cloning a tied hint hash\n";
{
my $w;
local $SIG{__WARN__} = sub { $w = shift };
eval q`
package namespace::clean::_TieHintHasi;
sub TIEHASH { bless[] }
sub STORE { $_[0][0]{$_[1]} = $_[2] }
sub FETCH { $_[0][0]{$_[1]} }
sub FIRSTKEY { my $a = scalar keys %{$_[0][0]}; each %{$_[0][0]} }
# Intentionally commented out:
# sub NEXTKEY { each %{$_[0][0]} }
package main;
BEGIN {
$^H{foo} = "bar"; # activate localisation magic
tie( %^H, 'namespace::clean::_TieHintHasi' ); # sabotage %^H
$^H{foo} = "bar"; # create an element in the tied hash
}
{ ; } # clone the tied hint hash
`;
print "not " if $w;
print "ok 27 - double-freeing explosive tied hints hash\n";
print "# got: $w" if $w;
}
# Add new tests above this require, in case it fails.
require './test.pl';
# bug #27040: hints hash was being double-freed
my $result = runperl(
prog => '$^H |= 0x20000; eval q{BEGIN { $^H |= 0x20000 }}',
stderr => 1
);
print "not " if length $result;
print "ok 28 - double-freeing hints hash\n";
print "# got: $result\n" if length $result;
__END__
# Add new tests above require 'test.pl'
|
