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1 | BEGIN { |
2 | chdir 't' if -d 't'; |
3 | @INC = '../lib'; |
4 | require './test.pl'; |
5 | |
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6 | plan(tests => 48); |
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7 | } |
8 | |
9 | # Two hashes one will all keys 8-bit possible (initially), other |
10 | # with a utf8 requiring key from the outset. |
11 | |
12 | my %hash8 = ( "\xff" => 0xff, |
13 | "\x7f" => 0x7f, |
14 | ); |
15 | my %hashu = ( "\xff" => 0xff, |
16 | "\x7f" => 0x7f, |
17 | "\x{1ff}" => 0x1ff, |
18 | ); |
19 | |
20 | # Check that we can find the 8-bit things by various litterals |
21 | is($hash8{"\x{00ff}"},0xFF); |
22 | is($hash8{"\x{007f}"},0x7F); |
23 | is($hash8{"\xff"},0xFF); |
24 | is($hash8{"\x7f"},0x7F); |
25 | is($hashu{"\x{00ff}"},0xFF); |
26 | is($hashu{"\x{007f}"},0x7F); |
27 | is($hashu{"\xff"},0xFF); |
28 | is($hashu{"\x7f"},0x7F); |
29 | |
30 | # Now try same thing with variables forced into various forms. |
31 | foreach my $a ("\x7f","\xff") |
32 | { |
33 | utf8::upgrade($a); |
34 | is($hash8{$a},ord($a)); |
35 | is($hashu{$a},ord($a)); |
36 | utf8::downgrade($a); |
37 | is($hash8{$a},ord($a)); |
38 | is($hashu{$a},ord($a)); |
39 | my $b = $a.chr(100); |
40 | chop($b); |
41 | is($hash8{$b},ord($b)); |
42 | is($hashu{$b},ord($b)); |
43 | } |
44 | |
45 | # Check we have not got an spurious extra keys |
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46 | is(join('',sort { ord $a <=> ord $b } keys %hash8),"\x7f\xff"); |
47 | is(join('',sort { ord $a <=> ord $b } keys %hashu),"\x7f\xff\x{1ff}"); |
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48 | |
49 | # Now add a utf8 key to the 8-bit hash |
50 | $hash8{chr(0x1ff)} = 0x1ff; |
51 | |
52 | # Check we have not got an spurious extra keys |
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53 | is(join('',sort { ord $a <=> ord $b } keys %hash8),"\x7f\xff\x{1ff}"); |
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54 | |
55 | foreach my $a ("\x7f","\xff","\x{1ff}") |
56 | { |
57 | utf8::upgrade($a); |
58 | is($hash8{$a},ord($a)); |
59 | my $b = $a.chr(100); |
60 | chop($b); |
61 | is($hash8{$b},ord($b)); |
62 | } |
63 | |
64 | # and remove utf8 from the other hash |
65 | is(delete $hashu{chr(0x1ff)},0x1ff); |
66 | is(join('',sort keys %hashu),"\x7f\xff"); |
67 | |
68 | foreach my $a ("\x7f","\xff") |
69 | { |
70 | utf8::upgrade($a); |
71 | is($hashu{$a},ord($a)); |
72 | utf8::downgrade($a); |
73 | is($hashu{$a},ord($a)); |
74 | my $b = $a.chr(100); |
75 | chop($b); |
76 | is($hashu{$b},ord($b)); |
77 | } |
78 | |
79 | |
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80 | |
81 | { |
82 | print "# Unicode hash keys and \\w\n"; |
83 | # This is not really a regex test but regexes bring |
84 | # out the issue nicely. |
85 | use strict; |
86 | my $u3 = "f\x{df}\x{100}"; |
87 | my $u2 = substr($u3,0,2); |
88 | my $u1 = substr($u2,0,1); |
89 | my %u = ( $u1 => $u1, $u2 => $u2, $u3 => $u3 ); |
90 | |
91 | for (keys %u) { |
92 | ok (/^\w+$/ && $u{$_} =~ /^\w+$/, "\\w on keys"); |
93 | } |
94 | |
95 | for (each %u) { |
96 | ok (/^\w+$/ && $u{$_} =~ /^\w+$/, "\\w on each"); |
97 | } |
98 | |
99 | for (%u) { |
100 | ok (/^\w+$/ && $u{$_} =~ /^\w+$/, "\\w on hash"); |
101 | } |
102 | } |