#!./perl
-print "1..10\n";
+print "1..18\n";
@x = (1, 2, 3);
if (join(':',@x) eq '1:2:3') {print "ok 1\n";} else {print "not ok 1\n";}
print "# expected 'a17b21c' got '$r'\nnot " if $r ne 'a17b21c';
print "ok 10\n";
};
+
+{ my $s = join("", chr(0x1234), chr(0xff));
+ print "not " unless length($s) == 2 && $s eq "\x{1234}\x{ff}";
+ print "ok 11\n";
+}
+
+{ my $s = join(chr(0xff), chr(0x1234), "");
+ print "not " unless length($s) == 2 && $s eq "\x{1234}\x{ff}";
+ print "ok 12\n";
+}
+
+{ my $s = join(chr(0x1234), chr(0xff), chr(0x2345));
+ print "not " unless length($s) == 3 && $s eq "\x{ff}\x{1234}\x{2345}";
+ print "ok 13\n";
+}
+
+{ my $s = join(chr(0xff), chr(0x1234), chr(0xfe));
+ print "not " unless length($s) == 3 && $s eq "\x{1234}\x{ff}\x{fe}";
+ print "ok 14\n";
+}
+
+{ # [perl #24846] $jb2 should be in bytes, not in utf8.
+ my $b = "abc\304";
+ my $u = "abc\x{0100}";
+
+ sub join_into_my_variable {
+ my $r = join("", @_);
+ return $r;
+ }
+
+ my $jb1 = join_into_my_variable("", $b);
+ my $ju1 = join_into_my_variable("", $u);
+ my $jb2 = join_into_my_variable("", $b);
+ my $ju2 = join_into_my_variable("", $u);
+
+ print "not " unless unpack('H*', $jb1) eq unpack('H*', $b);
+ print "ok 15\n";
+
+ print "not " unless unpack('H*', $ju1) eq unpack('H*', $u);
+ print "ok 16\n";
+
+ print "not " unless unpack('H*', $jb2) eq unpack('H*', $b);
+ print "ok 17\n";
+
+ print "not " unless unpack('H*', $ju2) eq unpack('H*', $u);
+ print "ok 18\n";
+}