1 files changed, 41 insertions, 0 deletions
diff --git a/t/uni/chr.t b/t/uni/chr.t
new file mode 100644
index 0000000000..ab710d9e35
--- /dev/null
+++ b/t/uni/chr.t
@@ -0,0 +1,41 @@
+
+BEGIN {
+    if ($ENV{'PERL_CORE'}){
+        chdir 't';
+        @INC = '../lib';
+    }
+    require Config; import Config;
+    if ($Config{'extensions'} !~ /\bEncode\b/) {
+      print "1..0 # Skip: Encode was not built\n";
+      exit 0;
+    }
+    if (ord("A") == 193) {
+        print "1..0 # Skip: EBCDIC\n";
+        exit 0;
+    }
+    unless (PerlIO::Layer->find('perlio')){
+        print "1..0 # Skip: PerlIO required\n";
+        exit 0;
+    }
+    if ($ENV{PERL_CORE_MINITEST}) {
+        print "1..0 # Skip: no dynamic loading on miniperl, no Encode\n";
+        exit 0;
+    }
+    $| = 1;
+}
+
+use strict;
+use Test::More tests => 6;
+use Encode;
+
+use encoding 'johab';
+
+ok(chr(0x7f) eq "\x7f");
+ok(chr(0x80) eq "\x80");
+ok(chr(0xff) eq "\xff");
+
+for my $i (127, 128, 255) {
+    ok(chr($i) eq pack('C', $i));
+}
+
+__END__