#!./perl
BEGIN {
chdir 't' if -d 't';
@INC = ('../lib', '.');
}
# Avoid using eq_array below as it uses .. internally.
require 'test.pl';
use Config;
plan (45);
is(join(':',1..5), '1:2:3:4:5');
@foo = (1,2,3,4,5,6,7,8,9);
@foo[2..4] = ('c','d','e');
is(join(':',@foo[$foo[0]..5]), '2:c:d:e:6');
@bar[2..4] = ('c','d','e');
is(join(':',@bar[1..5]), ':c:d:e:');
($a,@bcd[0..2],$e) = ('a','b','c','d','e');
is(join(':',$a,@bcd[0..2],$e), 'a:b:c:d:e');
$x = 0;
for (1..100) {
$x += $_;
}
is($x, 5050);
$x = 0;
for ((100,2..99,1)) {
$x += $_;
}
is($x, 5050);
$x = join('','a'..'z');
is($x, 'abcdefghijklmnopqrstuvwxyz');
@x = 'A'..'ZZ';
is (scalar @x, 27 * 26);
@x = '09' .. '08'; # should produce '09', '10',... '99' (strange but true)
is(join(",", @x), join(",", map {sprintf "%02d",$_} 9..99));
# same test with foreach (which is a separate implementation)
@y = ();
foreach ('09'..'08') {
push(@y, $_);
}
is(join(",", @y), join(",", @x));
# check bounds
if ($Config{ivsize} == 8) {
@a = eval "0x7ffffffffffffffe..0x7fffffffffffffff";
$a = "9223372036854775806 9223372036854775807";
@b = eval "-0x7fffffffffffffff..-0x7ffffffffffffffe";
$b = "-9223372036854775807 -9223372036854775806";
}
else {
@a = eval "0x7ffffffe..0x7fffffff";
$a = "2147483646 2147483647";
@b = eval "-0x7fffffff..-0x7ffffffe";
$b = "-2147483647 -2147483646";
}
is ("@a", $a);
is ("@b", $b);
# check magic
{
my $bad = 0;
local $SIG{'__WARN__'} = sub { $bad = 1 };
my $x = 'a-e';
$x =~ s/(\w)-(\w)/join ':', $1 .. $2/e;
is ($x, 'a:b:c:d:e');
}
# Should use magical autoinc only when both are strings
{
my $scalar = (() = "0"..-1);
is ($scalar, 0);
}
{
my $fail = 0;
for my $x ("0"..-1) {
$fail++;
}
is ($fail, 0);
}
# [#18165] Should allow "-4".."0", broken by #4730. (AMS 20021031)
is(join(":","-4".."0") , "-4:-3:-2:-1:0");
is(join(":","-4".."-0") , "-4:-3:-2:-1:0");
is(join(":","-4\n".."0\n") , "-4:-3:-2:-1:0");
is(join(":","-4\n".."-0\n"), "-4:-3:-2:-1:0");
# undef should be treated as 0 for numerical range
is(join(":",undef..2), '0:1:2');
is(join(":",-2..undef), '-2:-1:0');
is(join(":",undef..'2'), '0:1:2');
is(join(":",'-2'..undef), '-2:-1:0');
# undef should be treated as "" for magical range
is(join(":", map "[$_]", "".."B"), '[]');
is(join(":", map "[$_]", undef.."B"), '[]');
is(join(":", map "[$_]", "B"..""), '');
is(join(":", map "[$_]", "B"..undef), '');
# undef..undef used to segfault
is(join(":", map "[$_]", undef..undef), '[]');
# also test undef in foreach loops
@foo=(); push @foo, $_ for undef..2;
is(join(":", @foo), '0:1:2');
@foo=(); push @foo, $_ for -2..undef;
is(join(":", @foo), '-2:-1:0');
@foo=(); push @foo, $_ for undef..'2';
is(join(":", @foo), '0:1:2');
@foo=(); push @foo, $_ for '-2'..undef;
is(join(":", @foo), '-2:-1:0');
@foo=(); push @foo, $_ for undef.."B";
is(join(":", map "[$_]", @foo), '[]');
@foo=(); push @foo, $_ for "".."B";
is(join(":", map "[$_]", @foo), '[]');
@foo=(); push @foo, $_ for "B"..undef;
is(join(":", map "[$_]", @foo), '');
@foo=(); push @foo, $_ for "B".."";
is(join(":", map "[$_]", @foo), '');
@foo=(); push @foo, $_ for undef..undef;
is(join(":", map "[$_]", @foo), '[]');
# again with magic
{
my @a = (1..3);
@foo=(); push @foo, $_ for undef..$#a;
is(join(":", @foo), '0:1:2');
}
{
my @a = ();
@foo=(); push @foo, $_ for $#a..undef;
is(join(":", @foo), '-1:0');
}
{
local $1;
"2" =~ /(.+)/;
@foo=(); push @foo, $_ for undef..$1;
is(join(":", @foo), '0:1:2');
}
{
local $1;
"-2" =~ /(.+)/;
@foo=(); push @foo, $_ for $1..undef;
is(join(":", @foo), '-2:-1:0');
}
{
local $1;
"B" =~ /(.+)/;
@foo=(); push @foo, $_ for undef..$1;
is(join(":", map "[$_]", @foo), '[]');
}
{
local $1;
"B" =~ /(.+)/;
@foo=(); push @foo, $_ for ""..$1;
is(join(":", map "[$_]", @foo), '[]');
}
{
local $1;
"B" =~ /(.+)/;
@foo=(); push @foo, $_ for $1..undef;
is(join(":", map "[$_]", @foo), '');
}
{
local $1;
"B" =~ /(.+)/;
@foo=(); push @foo, $_ for $1.."";
is(join(":", map "[$_]", @foo), '');
}