1BEGIN { 2 chdir 't' if -d 't'; 3 @INC = '../lib'; 4 require './test.pl'; 5} 6 7plan tests => 20; 8 9my $a = chr(0x100); 10 11is(ord($a), 0x100, "ord sanity check"); 12is(length($a), 1, "length sanity check"); 13is(substr($a, 0, 1), "\x{100}", "substr sanity check"); 14is(index($a, "\x{100}"), 0, "index sanity check"); 15is(rindex($a, "\x{100}"), 0, "rindex sanity check"); 16is(bytes::length($a), 2, "bytes::length sanity check"); 17is(bytes::chr(0x100), chr(0), "bytes::chr sanity check"); 18 19{ 20 use bytes; 21 my $b = chr(0x100); # affected by 'use bytes' 22 is(ord($b), 0, "chr truncates under use bytes"); 23 is(length($b), 1, "length truncated under use bytes"); 24 is(bytes::ord($b), 0, "bytes::ord truncated under use bytes"); 25 is(bytes::length($b), 1, "bytes::length truncated under use bytes"); 26 is(bytes::substr($b, 0, 1), "\0", "bytes::substr truncated under use bytes"); 27} 28 29my $c = chr(0x100); 30 31{ 32 use bytes; 33 if (ord('A') == 193) { # EBCDIC? 34 is(ord($c), 0x8c, "ord under use bytes looks at the 1st byte"); 35 } else { 36 is(ord($c), 0xc4, "ord under use bytes looks at the 1st byte"); 37 } 38 is(length($c), 2, "length under use bytes looks at bytes"); 39 is(bytes::length($c), 2, "bytes::length under use bytes looks at bytes"); 40 if (ord('A') == 193) { # EBCDIC? 41 is(bytes::ord($c), 0x8c, "bytes::ord under use bytes looks at the 1st byte"); 42 } else { 43 is(bytes::ord($c), 0xc4, "bytes::ord under use bytes looks at the 1st byte"); 44 } 45 is(bytes::substr($c, 0, 1), "\xc4", "bytes::substr under use bytes looks at bytes"); 46 is(bytes::index($c, "\x80"), 1, "bytes::index under use bytes looks at bytes"); 47 is(bytes::rindex($c, "\xc4"), 0, "bytes::rindex under use bytes looks at bytes"); 48} 49 50{ 51 fresh_perl_like ('use bytes; bytes::moo()', 52 qr/Undefined subroutine bytes::moo/, {stderr=>1}, 53 "Check Carp is loaded for AUTOLOADing errors") 54} 55