#!./perl
-print "1..12\n";
+BEGIN {
+ chdir 't' if -d 't';
+ @INC = '../lib';
+}
+
+use Config;
+
+print "1..37\n";
print join(':',1..5) eq '1:2:3:4:5' ? "ok 1\n" : "not ok 1\n";
print "ok 10\n";
# check bounds
-@a = 0x7ffffffe..0x7fffffff;
-print "not " unless "@a" eq "2147483646 2147483647";
+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";
+}
+
+print "not " unless "@a" eq $a;
print "ok 11\n";
-@a = -0x7fffffff..-0x7ffffffe;
-print "not " unless "@a" eq "-2147483647 -2147483646";
+print "not " unless "@b" eq $b;
print "ok 12\n";
+# check magic
+{
+ my $bad = 0;
+ local $SIG{'__WARN__'} = sub { $bad = 1 };
+ my $x = 'a-e';
+ $x =~ s/(\w)-(\w)/join ':', $1 .. $2/e;
+ $bad = 1 unless $x eq 'a:b:c:d:e';
+ print $bad ? "not ok 13\n" : "ok 13\n";
+}
+
+# Should use magical autoinc only when both are strings
+print "not " unless 0 == (() = "0"..-1);
+print "ok 14\n";
+
+for my $x ("0"..-1) {
+ print "not ";
+}
+print "ok 15\n";
+
+# [#18165] Should allow "-4".."0", broken by #4730. (AMS 20021031)
+print join(":","-4".."0") eq "-4:-3:-2:-1:0" ? "ok 16\n" : "not ok 16\n";
+print join(":","-4".."-0") eq "-4:-3:-2:-1:0" ? "ok 17\n" : "not ok 17\n";
+print join(":","-4\n".."0\n") eq "-4:-3:-2:-1:0" ? "ok 18\n" : "not ok 18\n";
+print join(":","-4\n".."-0\n") eq "-4:-3:-2:-1:0" ? "ok 19\n" : "not ok 19\n";
+
+# undef should be treated as 0 for numerical range
+print join(":",undef..2) eq '0:1:2' ? "ok 20\n" : "not ok 20\n";
+print join(":",-2..undef) eq '-2:-1:0' ? "ok 21\n" : "not ok 21\n";
+print join(":",undef..'2') eq '0:1:2' ? "ok 22\n" : "not ok 22\n";
+print join(":",'-2'..undef) eq '-2:-1:0' ? "ok 23\n" : "not ok 23\n";
+
+# undef should be treated as "" for magical range
+print join(":", map "[$_]", "".."B") eq '[]' ? "ok 24\n" : "not ok 24\n";
+print join(":", map "[$_]", undef.."B") eq '[]' ? "ok 25\n" : "not ok 25\n";
+print join(":", map "[$_]", "B".."") eq '' ? "ok 26\n" : "not ok 26\n";
+print join(":", map "[$_]", "B"..undef) eq '' ? "ok 27\n" : "not ok 27\n";
+
+# undef..undef used to segfault
+print join(":", map "[$_]", undef..undef) eq '[]' ? "ok 28\n" : "not ok 28\n";
+
+# also test undef in foreach loops
+@foo=(); push @foo, $_ for undef..2;
+print join(":", @foo) eq '0:1:2' ? "ok 29\n" : "not ok 29\n";
+
+@foo=(); push @foo, $_ for -2..undef;
+print join(":", @foo) eq '-2:-1:0' ? "ok 30\n" : "not ok 30\n";
+
+@foo=(); push @foo, $_ for undef..'2';
+print join(":", @foo) eq '0:1:2' ? "ok 31\n" : "not ok 31\n";
+
+@foo=(); push @foo, $_ for '-2'..undef;
+print join(":", @foo) eq '-2:-1:0' ? "ok 32\n" : "not ok 32\n";
+
+@foo=(); push @foo, $_ for undef.."B";
+print join(":", map "[$_]", @foo) eq '[]' ? "ok 33\n" : "not ok 33\n";
+
+@foo=(); push @foo, $_ for "".."B";
+print join(":", map "[$_]", @foo) eq '[]' ? "ok 34\n" : "not ok 34\n";
+
+@foo=(); push @foo, $_ for "B"..undef;
+print join(":", map "[$_]", @foo) eq '' ? "ok 35\n" : "not ok 35\n";
+
+@foo=(); push @foo, $_ for "B".."";
+print join(":", map "[$_]", @foo) eq '' ? "ok 36\n" : "not ok 36\n";
+
+@foo=(); push @foo, $_ for undef..undef;
+print join(":", map "[$_]", @foo) eq '[]' ? "ok 37\n" : "not ok 37\n";