#!./perl
BEGIN {
chdir 't' if -d 't';
require "./test.pl";
}
plan(124);
# A lot of tests to check that reversed for works.
@array = ('A', 'B', 'C');
for (@array) {
$r .= $_;
}
is ($r, 'ABC', 'Forwards for array');
$r = '';
for (1,2,3) {
$r .= $_;
}
is ($r, '123', 'Forwards for list');
$r = '';
for (map {$_} @array) {
$r .= $_;
}
is ($r, 'ABC', 'Forwards for array via map');
$r = '';
for (map {$_} 1,2,3) {
$r .= $_;
}
is ($r, '123', 'Forwards for list via map');
$r = '';
for (1 .. 3) {
$r .= $_;
}
is ($r, '123', 'Forwards for list via ..');
$r = '';
for ('A' .. 'C') {
$r .= $_;
}
is ($r, 'ABC', 'Forwards for list via ..');
$r = '';
for (reverse @array) {
$r .= $_;
}
is ($r, 'CBA', 'Reverse for array');
$r = '';
for (reverse 1,2,3) {
$r .= $_;
}
is ($r, '321', 'Reverse for list');
$r = '';
for (reverse map {$_} @array) {
$r .= $_;
}
is ($r, 'CBA', 'Reverse for array via map');
$r = '';
for (reverse map {$_} 1,2,3) {
$r .= $_;
}
is ($r, '321', 'Reverse for list via map');
$r = '';
for (reverse 1 .. 3) {
$r .= $_;
}
is ($r, '321', 'Reverse for list via ..');
$r = '';
for (reverse 'A' .. 'C') {
$r .= $_;
}
is ($r, 'CBA', 'Reverse for list via ..');
$r = '';
for my $i (@array) {
$r .= $i;
}
is ($r, 'ABC', 'Forwards for array with var');
$r = '';
for my $i (1,2,3) {
$r .= $i;
}
is ($r, '123', 'Forwards for list with var');
$r = '';
for my $i (map {$_} @array) {
$r .= $i;
}
is ($r, 'ABC', 'Forwards for array via map with var');
$r = '';
for my $i (map {$_} 1,2,3) {
$r .= $i;
}
is ($r, '123', 'Forwards for list via map with var');
$r = '';
for my $i (1 .. 3) {
$r .= $i;
}
is ($r, '123', 'Forwards for list via .. with var');
$r = '';
for my $i ('A' .. 'C') {
$r .= $i;
}
is ($r, 'ABC', 'Forwards for list via .. with var');
$r = '';
for my $i (reverse @array) {
$r .= $i;
}
is ($r, 'CBA', 'Reverse for array with var');
$r = '';
for my $i (reverse 1,2,3) {
$r .= $i;
}
is ($r, '321', 'Reverse for list with var');
$r = '';
for my $i (reverse map {$_} @array) {
$r .= $i;
}
is ($r, 'CBA', 'Reverse for array via map with var');
$r = '';
for my $i (reverse map {$_} 1,2,3) {
$r .= $i;
}
is ($r, '321', 'Reverse for list via map with var');
$r = '';
for my $i (reverse 1 .. 3) {
$r .= $i;
}
is ($r, '321', 'Reverse for list via .. with var');
$r = '';
for my $i (reverse 'A' .. 'C') {
$r .= $i;
}
is ($r, 'CBA', 'Reverse for list via .. with var');
# For some reason the generate optree is different when $_ is implicit.
$r = '';
for $_ (@array) {
$r .= $_;
}
is ($r, 'ABC', 'Forwards for array with explicit $_');
$r = '';
for $_ (1,2,3) {
$r .= $_;
}
is ($r, '123', 'Forwards for list with explicit $_');
$r = '';
for $_ (map {$_} @array) {
$r .= $_;
}
is ($r, 'ABC', 'Forwards for array via map with explicit $_');
$r = '';
for $_ (map {$_} 1,2,3) {
$r .= $_;
}
is ($r, '123', 'Forwards for list via map with explicit $_');
$r = '';
for $_ (1 .. 3) {
$r .= $_;
}
is ($r, '123', 'Forwards for list via .. with var with explicit $_');
$r = '';
for $_ ('A' .. 'C') {
$r .= $_;
}
is ($r, 'ABC', 'Forwards for list via .. with var with explicit $_');
$r = '';
for $_ (reverse @array) {
$r .= $_;
}
is ($r, 'CBA', 'Reverse for array with explicit $_');
$r = '';
for $_ (reverse 1,2,3) {
$r .= $_;
}
is ($r, '321', 'Reverse for list with explicit $_');
$r = '';
for $_ (reverse map {$_} @array) {
$r .= $_;
}
is ($r, 'CBA', 'Reverse for array via map with explicit $_');
$r = '';
for $_ (reverse map {$_} 1,2,3) {
$r .= $_;
}
is ($r, '321', 'Reverse for list via map with explicit $_');
$r = '';
for $_ (reverse 1 .. 3) {
$r .= $_;
}
is ($r, '321', 'Reverse for list via .. with var with explicit $_');
$r = '';
for $_ (reverse 'A' .. 'C') {
$r .= $_;
}
is ($r, 'CBA', 'Reverse for list via .. with var with explicit $_');
# I don't think that my is that different from our in the optree. But test a
# few:
$r = '';
for our $i (reverse @array) {
$r .= $i;
}
is ($r, 'CBA', 'Reverse for array with our var');
$r = '';
for our $i (reverse 1,2,3) {
$r .= $i;
}
is ($r, '321', 'Reverse for list with our var');
$r = '';
for our $i (reverse map {$_} @array) {
$r .= $i;
}
is ($r, 'CBA', 'Reverse for array via map with our var');
$r = '';
for our $i (reverse map {$_} 1,2,3) {
$r .= $i;
}
is ($r, '321', 'Reverse for list via map with our var');
$r = '';
for our $i (reverse 1 .. 3) {
$r .= $i;
}
is ($r, '321', 'Reverse for list via .. with our var');
$r = '';
for our $i (reverse 'A' .. 'C') {
$r .= $i;
}
is ($r, 'CBA', 'Reverse for list via .. with our var');
$r = '';
for (1, reverse @array) {
$r .= $_;
}
is ($r, '1CBA', 'Reverse for array with leading value');
$r = '';
for ('A', reverse 1,2,3) {
$r .= $_;
}
is ($r, 'A321', 'Reverse for list with leading value');
$r = '';
for (1, reverse map {$_} @array) {
$r .= $_;
}
is ($r, '1CBA', 'Reverse for array via map with leading value');
$r = '';
for ('A', reverse map {$_} 1,2,3) {
$r .= $_;
}
is ($r, 'A321', 'Reverse for list via map with leading value');
$r = '';
for ('A', reverse 1 .. 3) {
$r .= $_;
}
is ($r, 'A321', 'Reverse for list via .. with leading value');
$r = '';
for (1, reverse 'A' .. 'C') {
$r .= $_;
}
is ($r, '1CBA', 'Reverse for list via .. with leading value');
$r = '';
for (reverse (@array), 1) {
$r .= $_;
}
is ($r, 'CBA1', 'Reverse for array with trailing value');
$r = '';
for (reverse (1,2,3), 'A') {
$r .= $_;
}
is ($r, '321A', 'Reverse for list with trailing value');
$r = '';
for (reverse (map {$_} @array), 1) {
$r .= $_;
}
is ($r, 'CBA1', 'Reverse for array via map with trailing value');
$r = '';
for (reverse (map {$_} 1,2,3), 'A') {
$r .= $_;
}
is ($r, '321A', 'Reverse for list via map with trailing value');
$r = '';
for (reverse (1 .. 3), 'A') {
$r .= $_;
}
is ($r, '321A', 'Reverse for list via .. with trailing value');
$r = '';
for (reverse ('A' .. 'C'), 1) {
$r .= $_;
}
is ($r, 'CBA1', 'Reverse for list via .. with trailing value');
$r = '';
for $_ (1, reverse @array) {
$r .= $_;
}
is ($r, '1CBA', 'Reverse for array with leading value with explicit $_');
$r = '';
for $_ ('A', reverse 1,2,3) {
$r .= $_;
}
is ($r, 'A321', 'Reverse for list with leading value with explicit $_');
$r = '';
for $_ (1, reverse map {$_} @array) {
$r .= $_;
}
is ($r, '1CBA',
'Reverse for array via map with leading value with explicit $_');
$r = '';
for $_ ('A', reverse map {$_} 1,2,3) {
$r .= $_;
}
is ($r, 'A321', 'Reverse for list via map with leading value with explicit $_');
$r = '';
for $_ ('A', reverse 1 .. 3) {
$r .= $_;
}
is ($r, 'A321', 'Reverse for list via .. with leading value with explicit $_');
$r = '';
for $_ (1, reverse 'A' .. 'C') {
$r .= $_;
}
is ($r, '1CBA', 'Reverse for list via .. with leading value with explicit $_');
$r = '';
for $_ (reverse (@array), 1) {
$r .= $_;
}
is ($r, 'CBA1', 'Reverse for array with trailing value with explicit $_');
$r = '';
for $_ (reverse (1,2,3), 'A') {
$r .= $_;
}
is ($r, '321A', 'Reverse for list with trailing value with explicit $_');
$r = '';
for $_ (reverse (map {$_} @array), 1) {
$r .= $_;
}
is ($r, 'CBA1',
'Reverse for array via map with trailing value with explicit $_');
$r = '';
for $_ (reverse (map {$_} 1,2,3), 'A') {
$r .= $_;
}
is ($r, '321A',
'Reverse for list via map with trailing value with explicit $_');
$r = '';
for $_ (reverse (1 .. 3), 'A') {
$r .= $_;
}
is ($r, '321A', 'Reverse for list via .. with trailing value with explicit $_');
$r = '';
for $_ (reverse ('A' .. 'C'), 1) {
$r .= $_;
}
is ($r, 'CBA1', 'Reverse for list via .. with trailing value with explicit $_');
$r = '';
for my $i (1, reverse @array) {
$r .= $i;
}
is ($r, '1CBA', 'Reverse for array with leading value and var');
$r = '';
for my $i ('A', reverse 1,2,3) {
$r .= $i;
}
is ($r, 'A321', 'Reverse for list with leading value and var');
$r = '';
for my $i (1, reverse map {$_} @array) {
$r .= $i;
}
is ($r, '1CBA', 'Reverse for array via map with leading value and var');
$r = '';
for my $i ('A', reverse map {$_} 1,2,3) {
$r .= $i;
}
is ($r, 'A321', 'Reverse for list via map with leading value and var');
$r = '';
for my $i ('A', reverse 1 .. 3) {
$r .= $i;
}
is ($r, 'A321', 'Reverse for list via .. with leading value and var');
$r = '';
for my $i (1, reverse 'A' .. 'C') {
$r .= $i;
}
is ($r, '1CBA', 'Reverse for list via .. with leading value and var');
$r = '';
for my $i (reverse (@array), 1) {
$r .= $i;
}
is ($r, 'CBA1', 'Reverse for array with trailing value and var');
$r = '';
for my $i (reverse (1,2,3), 'A') {
$r .= $i;
}
is ($r, '321A', 'Reverse for list with trailing value and var');
$r = '';
for my $i (reverse (map {$_} @array), 1) {
$r .= $i;
}
is ($r, 'CBA1', 'Reverse for array via map with trailing value and var');
$r = '';
for my $i (reverse (map {$_} 1,2,3), 'A') {
$r .= $i;
}
is ($r, '321A', 'Reverse for list via map with trailing value and var');
$r = '';
for my $i (reverse (1 .. 3), 'A') {
$r .= $i;
}
is ($r, '321A', 'Reverse for list via .. with trailing value and var');
$r = '';
for my $i (reverse ('A' .. 'C'), 1) {
$r .= $i;
}
is ($r, 'CBA1', 'Reverse for list via .. with trailing value and var');
$r = '';
for (reverse 1, @array) {
$r .= $_;
}
is ($r, 'CBA1', 'Reverse for value and array');
$r = '';
for (reverse map {$_} 1, @array) {
$r .= $_;
}
is ($r, 'CBA1', 'Reverse for value and array via map');
$r = '';
for (reverse 1 .. 3, @array) {
$r .= $_;
}
is ($r, 'CBA321', 'Reverse for .. and array');
$r = '';
for (reverse 'X' .. 'Z', @array) {
$r .= $_;
}
is ($r, 'CBAZYX', 'Reverse for .. and array');
$r = '';
for (reverse map {$_} 1 .. 3, @array) {
$r .= $_;
}
is ($r, 'CBA321', 'Reverse for .. and array via map');
$r = '';
for (reverse map {$_} 'X' .. 'Z', @array) {
$r .= $_;
}
is ($r, 'CBAZYX', 'Reverse for .. and array via map');
$r = '';
for (reverse (@array, 1)) {
$r .= $_;
}
is ($r, '1CBA', 'Reverse for array and value');
$r = '';
for (reverse (map {$_} @array, 1)) {
$r .= $_;
}
is ($r, '1CBA', 'Reverse for array and value via map');
$r = '';
for $_ (reverse 1, @array) {
$r .= $_;
}
is ($r, 'CBA1', 'Reverse for value and array with explicit $_');
$r = '';
for $_ (reverse map {$_} 1, @array) {
$r .= $_;
}
is ($r, 'CBA1', 'Reverse for value and array via map with explicit $_');
$r = '';
for $_ (reverse 1 .. 3, @array) {
$r .= $_;
}
is ($r, 'CBA321', 'Reverse for .. and array with explicit $_');
$r = '';
for $_ (reverse 'X' .. 'Z', @array) {
$r .= $_;
}
is ($r, 'CBAZYX', 'Reverse for .. and array with explicit $_');
$r = '';
for $_ (reverse map {$_} 1 .. 3, @array) {
$r .= $_;
}
is ($r, 'CBA321', 'Reverse for .. and array via map with explicit $_');
$r = '';
for $_ (reverse map {$_} 'X' .. 'Z', @array) {
$r .= $_;
}
is ($r, 'CBAZYX', 'Reverse for .. and array via map with explicit $_');
$r = '';
for $_ (reverse (@array, 1)) {
$r .= $_;
}
is ($r, '1CBA', 'Reverse for array and value with explicit $_');
$r = '';
for $_ (reverse (map {$_} @array, 1)) {
$r .= $_;
}
is ($r, '1CBA', 'Reverse for array and value via map with explicit $_');
$r = '';
for my $i (reverse 1, @array) {
$r .= $i;
}
is ($r, 'CBA1', 'Reverse for value and array with var');
$r = '';
for my $i (reverse map {$_} 1, @array) {
$r .= $i;
}
is ($r, 'CBA1', 'Reverse for value and array via map with var');
$r = '';
for my $i (reverse 1 .. 3, @array) {
$r .= $i;
}
is ($r, 'CBA321', 'Reverse for .. and array with var');
$r = '';
for my $i (reverse 'X' .. 'Z', @array) {
$r .= $i;
}
is ($r, 'CBAZYX', 'Reverse for .. and array with var');
$r = '';
for my $i (reverse map {$_} 1 .. 3, @array) {
$r .= $i;
}
is ($r, 'CBA321', 'Reverse for .. and array via map with var');
$r = '';
for my $i (reverse map {$_} 'X' .. 'Z', @array) {
$r .= $i;
}
is ($r, 'CBAZYX', 'Reverse for .. and array via map with var');
$r = '';
for my $i (reverse (@array, 1)) {
$r .= $i;
}
is ($r, '1CBA', 'Reverse for array and value with var');
$r = '';
for my $i (reverse (map {$_} @array, 1)) {
$r .= $i;
}
is ($r, '1CBA', 'Reverse for array and value via map with var');
TODO: {
if (do {17; foreach (1, 2) { 1; } } != 17) {
#print "not ";
todo_skip("RT #1085: what should be output of perl -we 'print do { foreach (1, 2) { 1; } }'");
}
}
TODO: {
local $TODO = "RT #2166: foreach spuriously autovivifies";
my %h;
foreach (@h{a, b}) {}
if(keys(%h)) {
todo_skip("RT #2166: foreach spuriously autovivifies");
}
}
sub {
foreach (@_) {
is eval { \$_ }, \undef, 'foreach (@array_containing_undef)'
}
}->(undef);
SKIP: {
skip "No XS::APItest under miniperl", 1, if is_miniperl;
skip "no XS::APItest", 1 if !eval { require XS::APItest };
my @a;
sub {
XS::APItest::alias_av(\@a, 0, undef);
eval { \$_[0] }
}->($a[0]);
is $@, "", 'vivify_defelem does not croak on &PL_sv_undef elements';
}
for $x ($y) {
$x = 3;
($x, my $z) = (1, $y);
is $z, 3, 'list assignment after aliasing via foreach';
}
for my $x (my $y) {
$x = 3;
($x, my $z) = (1, $y);
is $z, 3, 'list assignment after aliasing lexical var via foreach';
}
@_ = ();
@_ = (1,2,3,scalar do{for(@_){}} + 1, 4, 5, 6);
is "@_", "1 2 3 1 4 5 6",
'[perl #124004] scalar for(@empty_array) stack bug';
# DAPM: while messing with the scope code, I broke some cpan/ code,
# but surprisingly didn't break any dedicated tests. So test it:
sub fscope {
for my $y (1,2) {
my $a = $y;
return $a;
}
}
is(fscope(), 1, 'return via loop in sub');
# make sure a NULL GvSV is restored at the end of the loop
{
local $foo = "boo";
{
local *foo;
for $foo (1,2) {}
ok(!defined $foo, "NULL GvSV");
}
}
# make sure storing an int in a NULL GvSV is ok
{
local $foo = "boo";
{
local *foo;
for $foo (1..2) {}
ok(!defined $foo, "NULL GvSV int iterator");
}
}
# RT #123994 - handle a null GVSV within a loop
{
local *foo;
local $foo = "outside";
my $i = 0;
for $foo (0..1) {
is($foo, $i, "RT #123994 int range $i");
*foo = "";
$i++;
}
is($foo, "outside", "RT #123994 int range outside");
$i = 0;
for $foo ('0'..'1') {
is($foo, $i, "RT #123994 str range $i");
*foo = "";
$i++;
}
is($foo, "outside", "RT #123994 str range outside");
$i = 0;
for $foo (0, 1) {
is($foo, $i, "RT #123994 list $i");
*foo = "";
$i++;
}
is($foo, "outside", "RT #123994 list outside");
my @a = (0,1);
$i = 0;
for $foo (@a) {
is($foo, $i, "RT #123994 array $i");
*foo = "";
$i++;
}
is($foo, "outside", "RT #123994 array outside");
}