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[perl #3330] warn on increment of an non number/non-magically incable value
[perl5.git] / lib / bytes.t
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2f3efc97 1
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2BEGIN {
3 chdir 't' if -d 't';
4 @INC = '../lib';
1ae0ae17 5 require './test.pl';
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6}
7
5b5a256a 8plan tests => 20;
4e002eb0 9
1ae0ae17 10my $a = chr(0x100);
4e002eb0 11
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12is(ord($a), 0x100, "ord sanity check");
13is(length($a), 1, "length sanity check");
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14is(substr($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");
1ae0ae17 17is(bytes::length($a), 2, "bytes::length sanity check");
579f6b36 18is(bytes::chr(0x100), chr(0), "bytes::chr sanity check");
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19
20{
21 use bytes;
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22 my $b = chr(0x100); # affected by 'use bytes'
23 is(ord($b), 0, "chr truncates under use bytes");
24 is(length($b), 1, "length truncated under use bytes");
579f6b36 25 is(bytes::ord($b), 0, "bytes::ord truncated under use bytes");
1ae0ae17 26 is(bytes::length($b), 1, "bytes::length truncated under use bytes");
579f6b36 27 is(bytes::substr($b, 0, 1), "\0", "bytes::substr truncated under use bytes");
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28}
29
1ae0ae17 30my $c = chr(0x100);
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31
32{
33 use bytes;
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34 if (ord('A') == 193) { # EBCDIC?
35 is(ord($c), 0x8c, "ord under use bytes looks at the 1st byte");
0ef00eb6 36 } else {
1ae0ae17 37 is(ord($c), 0xc4, "ord under use bytes looks at the 1st byte");
0ef00eb6 38 }
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39 is(length($c), 2, "length under use bytes looks at bytes");
40 is(bytes::length($c), 2, "bytes::length under use bytes looks at bytes");
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41 if (ord('A') == 193) { # EBCDIC?
42 is(bytes::ord($c), 0x8c, "bytes::ord under use bytes looks at the 1st byte");
43 } else {
44 is(bytes::ord($c), 0xc4, "bytes::ord under use bytes looks at the 1st byte");
45 }
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46 # In z/OS \x41,\x8c are the codepoints corresponding to \x80,\xc4 respectively under ASCII platform
47 if (ord('A') == 193) { # EBCDIC?
48 is(bytes::substr($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
4e002eb0 59}
5b5a256a
ST
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}