BEGIN { chdir 't' if -d 't'; @INC = '../lib'; require './test.pl'; } plan tests => 20; my $a = chr(0x100); is(ord($a), 0x100, "ord sanity check"); is(length($a), 1, "length sanity check"); is(substr($a, 0, 1), "\x{100}", "substr sanity check"); is(index($a, "\x{100}"), 0, "index sanity check"); is(rindex($a, "\x{100}"), 0, "rindex sanity check"); is(bytes::length($a), 2, "bytes::length sanity check"); is(bytes::chr(0x100), chr(0), "bytes::chr sanity check"); { use bytes; my $b = chr(0x100); # affected by 'use bytes' is(ord($b), 0, "chr truncates under use bytes"); is(length($b), 1, "length truncated under use bytes"); is(bytes::ord($b), 0, "bytes::ord truncated under use bytes"); is(bytes::length($b), 1, "bytes::length truncated under use bytes"); is(bytes::substr($b, 0, 1), "\0", "bytes::substr truncated under use bytes"); } my $c = chr(0x100); { use bytes; if (ord('A') == 193) { # EBCDIC? is(ord($c), 0x8c, "ord under use bytes looks at the 1st byte"); } else { is(ord($c), 0xc4, "ord under use bytes looks at the 1st byte"); } is(length($c), 2, "length under use bytes looks at bytes"); is(bytes::length($c), 2, "bytes::length under use bytes looks at bytes"); if (ord('A') == 193) { # EBCDIC? is(bytes::ord($c), 0x8c, "bytes::ord under use bytes looks at the 1st byte"); } else { is(bytes::ord($c), 0xc4, "bytes::ord under use bytes looks at the 1st byte"); } # In z/OS \x41,\x8c are the codepoints corresponding to \x80,\xc4 respectively under ASCII platform if (ord('A') == 193) { # EBCDIC? is(bytes::substr($c, 0, 1), "\x8c", "bytes::substr under use bytes looks at bytes"); is(bytes::index($c, "\x41"), 1, "bytes::index under use bytes looks at bytes"); is(bytes::rindex($c, "\x8c"), 0, "bytes::rindex under use bytes looks at bytes"); } else{ is(bytes::substr($c, 0, 1), "\xc4", "bytes::substr under use bytes looks at bytes"); is(bytes::index($c, "\x80"), 1, "bytes::index under use bytes looks at bytes"); is(bytes::rindex($c, "\xc4"), 0, "bytes::rindex under use bytes looks at bytes"); } } { fresh_perl_like ('use bytes; bytes::moo()', qr/Undefined subroutine bytes::moo/, {stderr=>1}, "Check Carp is loaded for AUTOLOADing errors") }