#!./perl
BEGIN {
$| = 1;
chdir 't' if -d 't';
@INC = '../lib';
require './test.pl';
plan (tests => 190);
}
# Test that defined() returns true for magic variables created on the fly,
# even before they have been created.
# This must come first, even before turning on warnings or setting up
# $SIG{__WARN__}, to avoid invalidating the tests. warnings.pm currently
# does not mention any special variables, but that could easily change.
BEGIN {
# not available in miniperl
my %non_mini = map { $_ => 1 } qw(+ - [);
for (qw(
SIG ^OPEN ^TAINT ^UNICODE ^UTF8LOCALE ^WARNING_BITS 1 2 3 4 5 6 7 8
9 42 & ` ' : ? ! _ - [ ^ ~ = % . ( ) < > \ / $ | + ; ] ^A ^C ^D
^E ^F ^H ^I ^L ^N ^O ^P ^S ^T ^V ^W ^UTF8CACHE ::12345 main::98732
^LAST_FH
)) {
my $v = $_;
# avoid using any global vars here:
if ($v =~ s/^\^(?=.)//) {
for(substr $v, 0, 1) {
$_ = chr(utf8::native_to_unicode(ord($_)) - 64);
}
}
SKIP:
{
skip_if_miniperl("the module for *$_ may not be available in "
. "miniperl", 1) if $non_mini{$_};
ok defined *$v, "*$_ appears to be defined at the outset";
}
}
}
# This must be in a separate BEGIN block, as the mere mention of ${^TAINT}
# will invalidate the test for it.
BEGIN {
$ENV{PATH} = '/bin' if ${^TAINT};
$SIG{__WARN__} = sub { die "Dying on warning: ", @_ };
}
use warnings;
use Config;
$Is_MSWin32 = $^O eq 'MSWin32';
$Is_NetWare = $^O eq 'NetWare';
$Is_VMS = $^O eq 'VMS';
$Is_Dos = $^O eq 'dos';
$Is_os2 = $^O eq 'os2';
$Is_Cygwin = $^O eq 'cygwin';
$PERL =
($Is_NetWare ? 'perl' :
$Is_VMS ? $^X :
$Is_MSWin32 ? '.\perl' :
'./perl');
sub env_is {
my ($key, $val, $desc) = @_;
use open IN => ":raw";
if ($Is_MSWin32) {
# cmd.exe will echo 'variable=value' but 4nt will echo just the value
# -- Nikola Knezevic
require Win32;
my $cp = Win32::GetConsoleOutputCP();
Win32::SetConsoleOutputCP(Win32::GetACP());
(my $set = `set $key 2>nul`) =~ s/\r\n$/\n/;
Win32::SetConsoleOutputCP($cp);
like $set, qr/^(?:\Q$key\E=)?\Q$val\E$/, $desc;
} elsif ($Is_VMS) {
my $eqv = `write sys\$output f\$trnlnm("\Q$key\E")`;
# A single null byte in the equivalence string means
# an undef value for Perl, so mimic that here.
$eqv = "\n" if length($eqv) == 2 and $eqv eq "\000\n";
is $eqv, "$val\n", $desc;
} else {
my @env = `env`;
SKIP: {
skip("env doesn't work on this android", 1) if !@env && $^O =~ /android/;
chomp (my @env = grep { s/^$key=// } @env);
is "@env", $val, $desc;
}
}
}
END {
# On VMS, environment variable changes are peristent after perl exits
if ($Is_VMS) {
delete $ENV{'FOO'};
delete $ENV{'__NoNeSuCh'};
delete $ENV{'__NoNeSuCh2'};
}
}
eval '$ENV{"FOO"} = "hi there";'; # check that ENV is inited inside eval
# cmd.exe will echo 'variable=value' but 4nt will echo just the value
# -- Nikola Knezevic
if ($Is_MSWin32) { like `set FOO`, qr/^(?:FOO=)?hi there$/; }
elsif ($Is_VMS) { is `write sys\$output f\$trnlnm("FOO")`, "hi there\n"; }
else { is `echo \$FOO`, "hi there\n"; }
unlink_all 'ajslkdfpqjsjfk';
$! = 0;
open(FOO,'ajslkdfpqjsjfk');
isnt($!, 0, "Unlinked file can't be opened");
close FOO; # just mention it, squelch used-only-once
SKIP: {
skip('SIGINT not safe on this platform', 5)
if $Is_MSWin32 || $Is_NetWare || $Is_Dos;
# the next tests are done in a subprocess because sh spits out a
# newline onto stderr when a child process kills itself with SIGINT.
# We use a pipe rather than system() because the VMS command buffer
# would overflow with a command that long.
# For easy interpolation of test numbers:
$next_test = curr_test() - 1;
sub TIEARRAY {bless[]}
sub FETCH { $next_test + pop }
tie my @tn, __PACKAGE__;
open( CMDPIPE, "|-", $PERL);
print CMDPIPE "\$t1 = $tn[1]; \$t2 = $tn[2];\n", <<'END';
$| = 1; # command buffering
$SIG{"INT"} = "ok1"; kill "INT",$$; sleep 1;
$SIG{"INT"} = "IGNORE"; kill "INT",$$; sleep 1; print "ok $t2\n";
$SIG{"INT"} = "DEFAULT"; kill "INT",$$; sleep 1; print" not ok $t2\n";
sub ok1 {
if (($x = pop(@_)) eq "INT") {
print "ok $t1\n";
}
else {
print "not ok $t1 ($x @_)\n";
}
}
END
close CMDPIPE;
open( CMDPIPE, "|-", $PERL);
print CMDPIPE "\$t3 = $tn[3];\n", <<'END';
{ package X;
sub DESTROY {
kill "INT",$$;
}
}
sub x {
my $x=bless [], 'X';
return sub { $x };
}
$| = 1; # command buffering
$SIG{"INT"} = "ok3";
{
local $SIG{"INT"}=x();
print ""; # Needed to expose failure in 5.8.0 (why?)
}
sleep 1;
delete $SIG{"INT"};
kill "INT",$$; sleep 1;
sub ok3 {
print "ok $t3\n";
}
END
close CMDPIPE;
$? >>= 8 if $^O eq 'VMS'; # POSIX status hiding in 2nd byte
my $todo = ($^O eq 'os2' ? ' # TODO: EMX v0.9d_fix4 bug: wrong nibble? ' : '');
$todo = ($Config{usecrosscompile} ? '# TODO: Not sure whats going on here when cross-compiling' : '');
print $? & 0xFF ? "ok $tn[4]$todo\n" : "not ok $tn[4]$todo\n";
open(CMDPIPE, "|-", $PERL);
print CMDPIPE <<'END';
sub PVBM () { 'foo' }
index 'foo', PVBM;
my $pvbm = PVBM;
sub foo { exit 0 }
$SIG{"INT"} = $pvbm;
kill "INT", $$; sleep 1;
END
close CMDPIPE;
$? >>= 8 if $^O eq 'VMS';
print $? ? "not ok $tn[5]\n" : "ok $tn[5]\n";
curr_test(curr_test() + 5);
}
# can we slice ENV?
@val1 = @ENV{keys(%ENV)};
@val2 = values(%ENV);
is join(':',@val1), join(':',@val2);
cmp_ok @val1, '>', 1;
# deleting $::{ENV}
is runperl(prog => 'delete $::{ENV}; chdir; print qq-ok\n-'), "ok\n",
'deleting $::{ENV}';
# regex vars
'foobarbaz' =~ /b(a)r/;
is $`, 'foo';
is $&, 'bar';
is $', 'baz';
is $+, 'a';
# [perl #24237]
for (qw < ` & ' >) {
fresh_perl_is
qq < \@$_; q "fff" =~ /(?!^)./; print "[\$$_]\\n" >,
"[f]\n", {},
"referencing \@$_ before \$$_ etc. still saws off ampersands";
}
# $"
@a = qw(foo bar baz);
is "@a", "foo bar baz";
{
local $" = ',';
is "@a", "foo,bar,baz";
}
# $;
%h = ();
$h{'foo', 'bar'} = 1;
is((keys %h)[0], "foo\034bar");
{
local $; = 'x';
%h = ();
$h{'foo', 'bar'} = 1;
is((keys %h)[0], 'fooxbar');
}
# $?, $@, $$
system qq[$PERL "-I../lib" -e "use vmsish qw(hushed); exit(0)"];
is $?, 0;
system qq[$PERL "-I../lib" -e "use vmsish qw(hushed); exit(1)"];
isnt $?, 0;
eval { die "foo\n" };
is $@, "foo\n";
ok !*@{HASH}, 'no %@';
cmp_ok($$, '>', 0);
my $pid = $$;
eval { $$ = 42 };
is $$, 42, '$$ can be modified';
SKIP: {
skip "no fork", 1 unless $Config{d_fork};
(my $kidpid = open my $fh, "-|") // skip "cannot fork: $!", 1;
if($kidpid) { # parent
my $kiddollars = <$fh>;
close $fh or die "cannot close pipe from kid proc: $!";
is $kiddollars, $kidpid, '$$ is reset on fork';
}
else { # child
print $$;
$::NO_ENDING = 1; # silence "Looks like you only ran..."
exit;
}
}
$$ = $pid; # Tests below use $$
# $^X and $0
{
my $is_abs = $Config{d_procselfexe} || $Config{usekernprocpathname}
|| $Config{usensgetexecutablepath};
if ($^O eq 'qnx') {
chomp($wd = `/usr/bin/fullpath -t`);
}
elsif($^O =~ /android/) {
chomp($wd = `sh -c 'pwd'`);
}
elsif($Is_Cygwin || $is_abs) {
# Cygwin turns the symlink into the real file
chomp($wd = `pwd`);
$wd =~ s#/t$##;
$wd =~ /(.*)/; $wd = $1; # untaint
if ($Is_Cygwin) {
$wd = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($wd, 1));
}
}
elsif($Is_os2) {
$wd = Cwd::sys_cwd();
}
else {
$wd = '.';
}
my $perl = $Is_VMS || $is_abs ? $^X : "$wd/perl";
my $headmaybe = '';
my $middlemaybe = '';
my $tailmaybe = '';
$script = "$wd/show-shebang";
if ($Is_MSWin32) {
chomp($wd = `cd`);
$wd =~ s|\\|/|g;
$perl = "$wd/perl.exe";
$script = "$wd/show-shebang.bat";
$headmaybe = <<EOH ;
\@rem ='
\@echo off
$perl -x \%0
goto endofperl
\@rem ';
EOH
$tailmaybe = <<EOT ;
__END__
:endofperl
EOT
}
elsif ($Is_os2) {
$script = "./show-shebang";
}
elsif ($Is_VMS) {
$script = "[]show-shebang";
}
elsif ($Is_Cygwin) {
$middlemaybe = <<'EOX'
$^X = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($^X, 1));
$0 = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($0, 1));
EOX
}
if ($^O eq 'os390' or $^O eq 'posix-bc') { # no shebang
$headmaybe = <<EOH ;
eval 'exec ./perl -S \$0 \${1+"\$\@"}'
if 0;
EOH
}
$s1 = "\$^X is $perl, \$0 is $script\n";
ok open(SCRIPT, ">$script") or diag "Can't write to $script: $!";
ok print(SCRIPT $headmaybe . <<EOB . $middlemaybe . <<'EOF' . $tailmaybe) or diag $!;
#!$perl
EOB
print "\$^X is $^X, \$0 is $0\n";
EOF
ok close(SCRIPT) or diag $!;
ok chmod(0755, $script) or diag $!;
$_ = $Is_VMS ? `$perl $script` : `$script`;
s/\.exe//i if $Is_Dos or $Is_Cygwin or $Is_os2;
s{is perl}{is $perl}; # for systems where $^X is only a basename
s{\\}{/}g;
if ($Is_MSWin32 || $Is_os2) {
is uc $_, uc $s1;
} else {
SKIP:
{
skip "# TODO: Hit bug posix-2058; exec does not setup argv[0] correctly." if ($^O eq "vos");
is $_, $s1;
}
}
$_ = `$perl $script`;
s/\.exe//i if $Is_Dos or $Is_os2 or $Is_Cygwin;
s{\\}{/}g;
if ($Is_MSWin32 || $Is_os2) {
is uc $_, uc $s1;
} else {
is $_, $s1;
}
ok unlink($script) or diag $!;
# CHECK
# Could this be replaced with:
# unlink_all($script);
}
# $], $^O, $^T
cmp_ok $], '>=', 5.00319;
ok $^O;
cmp_ok $^T, '>', 850000000;
# Test change 25062 is working
my $orig_osname = $^O;
{
local $^I = '.bak';
is $^O, $orig_osname, 'Assigning $^I does not clobber $^O';
}
$^O = $orig_osname;
{
#RT #72422
foreach my $p (0, 1) {
fresh_perl_is(<<"EOP", '2 4 8', undef, "test \$^P = $p");
\$DB::single = 2;
\$DB::trace = 4;
\$DB::signal = 8;
\$^P = $p;
print "\$DB::single \$DB::trace \$DB::signal";
EOP
}
}
# Check that assigning to $0 on Linux sets the process name with both
# argv[0] assignment and by calling prctl()
{
SKIP: {
skip "We don't have prctl() here, or we're on Android", 2 unless $Config{d_prctl_set_name} && $^O ne 'android';
# We don't really need these tests. prctl() is tested in the
# Kernel, but test it anyway for our sanity. If something doesn't
# work (like if the system doesn't have a ps(1) for whatever
# reason) just bail out gracefully.
my $maybe_ps = sub {
my ($cmd) = @_;
local ($?, $!);
no warnings;
my $res = `$cmd`;
skip "Couldn't shell out to '$cmd', returned code $?", 2 if $?;
return $res;
};
my $name = "Good Morning, Dave";
$0 = $name;
chomp(my $argv0 = $maybe_ps->("ps h $$"));
chomp(my $prctl = $maybe_ps->("ps hc $$"));
like($argv0, qr/$name/, "Set process name through argv[0] ($argv0)");
my $name_substr = substr($name, 0, 15);
like($prctl, qr/$name_substr/, "Set process name through prctl() ($prctl)");
}
}
{
my $ok = 1;
my $warn = '';
local $SIG{'__WARN__'} = sub { $ok = 0; $warn = join '', @_; $warn =~ s/\n$//; };
$! = undef;
local $TODO = $Is_VMS ? "'\$!=undef' does throw a warning" : '';
ok($ok, $warn);
}
SKIP: {
skip_if_miniperl("miniperl can't rely on loading %Errno", 2);
no warnings 'void';
# Make sure Errno hasn't been prematurely autoloaded
ok !keys %Errno::;
# Test auto-loading of Errno when %! is used
ok scalar eval q{
%!;
scalar %Errno::;
}, $@;
}
SKIP: {
skip_if_miniperl("miniperl can't rely on loading %Errno", 2);
# Make sure that Errno loading doesn't clobber $!
undef %Errno::;
delete $INC{"Errno.pm"};
open(FOO, "nonesuch"); # Generate ENOENT
my %errs = %{"!"}; # Cause Errno.pm to be loaded at run-time
ok ${"!"}{ENOENT};
# Make sure defined(*{"!"}) before %! does not stop %! from working
is
runperl(
prog => 'BEGIN { defined *{q-!-} } print qq-ok\n- if tied %!',
),
"ok\n",
'defined *{"!"} does not stop %! from working';
}
# Check that we don't auto-load packages
foreach (['powie::!', 'Errno'],
['powie::+', 'Tie::Hash::NamedCapture']) {
my ($symbol, $package) = @$_;
SKIP: {
(my $extension = $package) =~ s|::|/|g;
skip "$package is statically linked", 2
if $Config{static_ext} =~ m|\b\Q$extension\E\b|;
foreach my $scalar_first ('', '$$symbol;') {
my $desc = qq{Referencing %{"$symbol"}};
$desc .= qq{ after mentioning \${"$symbol"}} if $scalar_first;
$desc .= " doesn't load $package";
fresh_perl_is(<<"EOP", 0, {}, $desc);
use strict qw(vars subs);
my \$symbol = '$symbol';
$scalar_first;
1 if %{\$symbol};
print scalar %${package}::;
EOP
}
}
}
is $^S, 0;
eval { is $^S,1 };
eval " BEGIN { ok ! defined \$^S } ";
is $^S, 0;
my $taint = ${^TAINT};
is ${^TAINT}, $taint;
eval { ${^TAINT} = 1 };
is ${^TAINT}, $taint;
# 5.6.1 had a bug: @+ and @- were not properly interpolated
# into double-quoted strings
# 20020414 mjd-perl-patch+@plover.com
"I like pie" =~ /(I) (like) (pie)/;
is "@-", "0 0 2 7";
is "@+", "10 1 6 10";
# Tests for the magic get of $\
{
my $ok = 0;
# [perl #19330]
{
local $\ = undef;
$\++; $\++;
$ok = $\ eq 2;
}
ok $ok;
$ok = 0;
{
local $\ = "a\0b";
$ok = "a$\b" eq "aa\0bb";
}
ok $ok;
}
# Test for bug [perl #36434]
# Can not do this test on VMS, and SYMBIAN according to comments
# in mg.c/Perl_magic_clear_all_env()
SKIP: {
skip('Can\'t make assignment to \%ENV on this system', 3) if $Is_VMS;
local @ISA;
local %ENV;
# This used to be __PACKAGE__, but that causes recursive
# inheritance, which is detected earlier now and broke
# this test
eval { push @ISA, __FILE__ };
is $@, '', 'Push a constant on a magic array';
$@ and print "# $@";
eval { %ENV = (PATH => __PACKAGE__) };
is $@, '', 'Assign a constant to a magic hash';
$@ and print "# $@";
eval { my %h = qw(A B); %ENV = (PATH => (keys %h)[0]) };
is $@, '', 'Assign a shared key to a magic hash';
$@ and print "# $@";
}
# Tests for Perl_magic_clearsig
foreach my $sig (qw(__WARN__ INT)) {
$SIG{$sig} = lc $sig;
is $SIG{$sig}, 'main::' . lc $sig, "Can assign to $sig";
is delete $SIG{$sig}, 'main::' . lc $sig, "Can delete from $sig";
is $SIG{$sig}, undef, "$sig is now gone";
is delete $SIG{$sig}, undef, "$sig remains gone";
}
# And now one which doesn't exist;
{
no warnings 'signal';
$SIG{HUNGRY} = 'mmm, pie';
}
is $SIG{HUNGRY}, 'mmm, pie', 'Can assign to HUNGRY';
is delete $SIG{HUNGRY}, 'mmm, pie', 'Can delete from HUNGRY';
is $SIG{HUNGRY}, undef, "HUNGRY is now gone";
is delete $SIG{HUNGRY}, undef, "HUNGRY remains gone";
# Test deleting signals that we never set
foreach my $sig (qw(__DIE__ _BOGUS_HOOK KILL THIRSTY)) {
is $SIG{$sig}, undef, "$sig is not present";
is delete $SIG{$sig}, undef, "delete of $sig returns undef";
}
{
$! = 9999;
is int $!, 9999, q{[perl #72850] Core dump in bleadperl from perl -e '$! = 9999; $a = $!;'};
}
# %+ %-
SKIP: {
skip_if_miniperl("No XS in miniperl", 2);
# Make sure defined(*{"+"}) before %+ does not stop %+ from working
is
runperl(
prog => 'BEGIN { defined *{q-+-} } print qq-ok\n- if tied %+',
),
"ok\n",
'defined *{"+"} does not stop %+ from working';
is
runperl(
prog => 'BEGIN { defined *{q=-=} } print qq-ok\n- if tied %-',
),
"ok\n",
'defined *{"-"} does not stop %- from working';
}
SKIP: {
skip_if_miniperl("No XS in miniperl", 3);
for ( [qw( %- Tie::Hash::NamedCapture )], [qw( $[ arybase )],
[qw( %! Errno )] ) {
my ($var, $mod) = @$_;
my $modfile = $mod =~ s|::|/|gr . ".pm";
fresh_perl_is
qq 'sub UNIVERSAL::AUTOLOAD{}
$mod\::foo() if 0;
$var;
print "ok\\n" if \$INC{"$modfile"}',
"ok\n",
{ switches => [ '-X' ] },
"$var still loads $mod when stash and UNIVERSAL::AUTOLOAD exist";
}
}
# ${^LAST_FH}
() = tell STDOUT;
is ${^LAST_FH}, \*STDOUT, '${^LAST_FH} after tell';
() = tell STDIN;
is ${^LAST_FH}, \*STDIN, '${^LAST_FH} after another tell';
{
my $fh = *STDOUT;
() = tell $fh;
is ${^LAST_FH}, \$fh, '${^LAST_FH} referencing lexical coercible glob';
}
# This also tests that ${^LAST_FH} is a weak reference:
is ${^LAST_FH}, undef, '${^LAST_FH} is undef when PL_last_in_gv is NULL';
# $|
fresh_perl_is 'print $| = ~$|', "1\n", {switches => ['-l']},
'[perl #4760] print $| = ~$|';
fresh_perl_is
'select f; undef *f; ${q/|/}; print STDOUT qq|ok\n|', "ok\n", {},
'[perl #115206] no crash when vivifying $| while *{+select}{IO} is undef';
# ${^OPEN} and $^H interaction
# Setting ${^OPEN} causes $^H to change, but setting $^H would only some-
# times make ${^OPEN} change, depending on whether it was in the same BEGIN
# block. Don’t test actual values (subject to change); just test for
# consistency.
my @stuff;
eval '
BEGIN { ${^OPEN} = "a\0b"; $^H = 0; push @stuff, ${^OPEN} }
BEGIN { ${^OPEN} = "a\0b"; $^H = 0 } BEGIN { push @stuff, ${^OPEN} }
1' or die $@;
is $stuff[0], $stuff[1], '$^H modifies ${^OPEN} consistently';
# deleting $::{"\cH"}
is runperl(prog => 'delete $::{qq-\cH-}; ${^OPEN}=foo; print qq-ok\n-'),
"ok\n",
'deleting $::{"\cH"}';
# Tests for some non-magic names:
is ${^MPE}, undef, '${^MPE} starts undefined';
is ++${^MPE}, 1, '${^MPE} can be incremented';
# This one used to behave as ${^MATCH} due to a missing break:
is ${^MPEN}, undef, '${^MPEN} starts undefined';
# This one used to croak due to that missing break:
is ++${^MPEN}, 1, '${^MPEN} can be incremented';
eval { ${^E_NCODING} = 1 };
like $@, qr/^Modification of a /, 'Setting ${^E_NCODING} croaks';
$_ = ${^E_NCODING};
pass('can read ${^E_NCODING} without blowing up');
is $_, undef, '${^E_NCODING} is undef';
# ^^^^^^^^^ New tests go here ^^^^^^^^^
SKIP: {
skip("%ENV manipulations fail or aren't safe on $^O", 20)
if $Is_Dos;
skip "Win32 needs XS for env/shell tests", 20
if $Is_MSWin32 && is_miniperl;
SKIP: {
skip("clearing \%ENV is not safe when running under valgrind or on VMS")
if $ENV{PERL_VALGRIND} || $Is_VMS;
$PATH = $ENV{PATH};
$PDL = $ENV{PERL_DESTRUCT_LEVEL} || 0;
$ENV{foo} = "bar";
%ENV = ();
$ENV{PATH} = $PATH;
$ENV{PERL_DESTRUCT_LEVEL} = $PDL || 0;
if ($Is_MSWin32) {
is `set foo 2>NUL`, "";
} else {
is `echo \$foo`, "\n";
}
}
$ENV{__NoNeSuCh} = 'foo';
$0 = 'bar';
env_is(__NoNeSuCh => 'foo', 'setting $0 does not break %ENV');
$ENV{__NoNeSuCh2} = 'foo';
$ENV{__NoNeSuCh2} = undef;
env_is(__NoNeSuCh2 => '', 'setting a key as undef does not delete it');
# stringify a glob
$ENV{foo} = *TODO;
env_is(foo => '*main::TODO', 'ENV store of stringified glob');
# stringify a ref
my $ref = [];
$ENV{foo} = $ref;
env_is(foo => "$ref", 'ENV store of stringified ref');
# downgrade utf8 when possible
$bytes = "eh zero \x{A0}";
utf8::upgrade($chars = $bytes);
$forced = $ENV{foo} = $chars;
ok(!utf8::is_utf8($forced) && $forced eq $bytes, 'ENV store downgrades utf8 in SV');
env_is(foo => $bytes, 'ENV store downgrades utf8 in setenv');
# warn when downgrading utf8 is not possible
$chars = "X-Day \x{1998}";
utf8::encode($bytes = $chars);
{
my $warned = 0;
local $SIG{__WARN__} = sub { ++$warned if $_[0] =~ /^Wide character in setenv/; print "# @_" };
$forced = $ENV{foo} = $chars;
ok($warned == 1, 'ENV store warns about wide characters');
}
ok(!utf8::is_utf8($forced) && $forced eq $bytes, 'ENV store encodes high utf8 in SV');
env_is(foo => $bytes, 'ENV store encodes high utf8 in SV');
# test local $ENV{foo} on existing foo
{
local $ENV{__NoNeSuCh};
{ local $TODO = 'exists on %ENV should reflect real env';
ok(!exists $ENV{__NoNeSuCh}, 'not exists $ENV{existing} during local $ENV{existing}'); }
env_is(__NoNeLoCaL => '');
}
ok(exists $ENV{__NoNeSuCh}, 'exists $ENV{existing} after local $ENV{existing}');
env_is(__NoNeSuCh => 'foo');
# test local $ENV{foo} on new foo
{
local $ENV{__NoNeLoCaL} = 'foo';
ok(exists $ENV{__NoNeLoCaL}, 'exists $ENV{new} during local $ENV{new}');
env_is(__NoNeLoCaL => 'foo');
}
ok(!exists $ENV{__NoNeLoCaL}, 'not exists $ENV{new} after local $ENV{new}');
env_is(__NoNeLoCaL => '');
SKIP: {
skip("\$0 check only on Linux and FreeBSD", 2)
unless $^O =~ /^(linux|android|freebsd)$/
&& open CMDLINE, "/proc/$$/cmdline";
chomp(my $line = scalar <CMDLINE>);
my $me = (split /\0/, $line)[0];
is $me, $0, 'altering $0 is effective (testing with /proc/)';
close CMDLINE;
skip("\$0 check with 'ps' only on Linux (but not Android) and FreeBSD", 1) if $^O eq 'android';
# perlbug #22811
my $mydollarzero = sub {
my($arg) = shift;
$0 = $arg if defined $arg;
# In FreeBSD the ps -o command= will cause
# an empty header line, grab only the last line.
my $ps = (`ps -o command= -p $$`)[-1];
return if $?;
chomp $ps;
printf "# 0[%s]ps[%s]\n", $0, $ps;
$ps;
};
my $ps = $mydollarzero->("x");
ok(!$ps # we allow that something goes wrong with the ps command
# In Linux 2.4 we would get an exact match ($ps eq 'x') but
# in Linux 2.2 there seems to be something funny going on:
# it seems as if the original length of the argv[] would
# be stored in the proc struct and then used by ps(1),
# no matter what characters we use to pad the argv[].
# (And if we use \0:s, they are shown as spaces.) Sigh.
|| $ps =~ /^x\s*$/
# FreeBSD cannot get rid of both the leading "perl :"
# and the trailing " (perl)": some FreeBSD versions
# can get rid of the first one.
|| ($^O eq 'freebsd' && $ps =~ m/^(?:perl: )?x(?: \(perl\))?$/),
'altering $0 is effective (testing with `ps`)');
}
}
# test case-insignificance of %ENV (these tests must be enabled only
# when perl is compiled with -DENV_IS_CASELESS)
SKIP: {
skip('no caseless %ENV support', 4) unless $Is_MSWin32 || $Is_NetWare;
%ENV = ();
$ENV{'Foo'} = 'bar';
$ENV{'fOo'} = 'baz';
is scalar(keys(%ENV)), 1;
ok exists $ENV{'FOo'};
is delete $ENV{'foO'}, 'baz';
is scalar(keys(%ENV)), 0;
}
__END__
# Put new tests before the various ENV tests, as they blow %ENV away.