1 2BEGIN { 3 chdir 't' if -d 't'; 4 @INC = '../lib'; 5 require './test.pl'; 6} 7 8plan tests => 20; 9 10my $a = chr(0x100); 11 12is(ord($a), 0x100, "ord sanity check"); 13is(length($a), 1, "length sanity check"); 14is(substr($a, 0, 1), "\x{100}", "substr sanity check"); 15is(index($a, "\x{100}"), 0, "index sanity check"); 16is(rindex($a, "\x{100}"), 0, "rindex sanity check"); 17is(bytes::length($a), 2, "bytes::length sanity check"); 18is(bytes::chr(0x100), chr(0), "bytes::chr sanity check"); 19 20{ 21 use bytes; 22 my $b = chr(0x100); # affected by 'use bytes' 23 is(ord($b), 0, "chr truncates under use bytes"); 24 is(length($b), 1, "length truncated under use bytes"); 25 is(bytes::ord($b), 0, "bytes::ord truncated under use bytes"); 26 is(bytes::length($b), 1, "bytes::length truncated under use bytes"); 27 is(bytes::substr($b, 0, 1), "\0", "bytes::substr truncated under use bytes"); 28} 29 30my $c = chr(0x100); 31 32{ 33 use bytes; 34 if (ord('A') == 193) { # EBCDIC? 35 is(ord($c), 0x8c, "ord under use bytes looks at the 1st byte"); 36 } else { 37 is(ord($c), 0xc4, "ord under use bytes looks at the 1st byte"); 38 } 39 is(length($c), 2, "length under use bytes looks at bytes"); 40 is(bytes::length($c), 2, "bytes::length under use bytes looks at bytes"); 41 if (ord('A') == 193) { # EBCDIC? 42 is(bytes::ord($c), 0x8c, "bytes::ord under use bytes looks at the 1st byte"); 43 } else { 44 is(bytes::ord($c), 0xc4, "bytes::ord under use bytes looks at the 1st byte"); 45 } 46 # In z/OS \x41,\x8c are the codepoints corresponding to \x80,\xc4 respectively under ASCII platform 47 if (ord('A') == 193) { # EBCDIC? 48 is(bytes::substr($c, 0, 1), "\x8c", "bytes::substr under use bytes looks at bytes"); 49 is(bytes::index($c, "\x41"), 1, "bytes::index under use bytes looks at bytes"); 50 is(bytes::rindex($c, "\x8c"), 0, "bytes::rindex under use bytes looks at bytes"); 51 52 } 53 else{ 54 is(bytes::substr($c, 0, 1), "\xc4", "bytes::substr under use bytes looks at bytes"); 55 is(bytes::index($c, "\x80"), 1, "bytes::index under use bytes looks at bytes"); 56 is(bytes::rindex($c, "\xc4"), 0, "bytes::rindex under use bytes looks at bytes"); 57 } 58 59} 60 61{ 62 fresh_perl_like ('use bytes; bytes::moo()', 63 qr/Undefined subroutine bytes::moo/, {stderr=>1}, 64 "Check Carp is loaded for AUTOLOADing errors") 65} 66