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1 | #!./perl |
2 | |
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3 | BEGIN { |
4 | chdir 't' if -d 't'; |
5 | @INC = '../lib'; |
6 | } |
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7 | |
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8 | use strict; |
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9 | require './test.pl'; |
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10 | plan( tests => 58 ); |
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11 | |
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12 | my $foo = 'Now is the time for all good men to come to the aid of their country.'; |
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13 | |
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14 | my $first = substr($foo,0,index($foo,'the')); |
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15 | is($first, "Now is "); |
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16 | |
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17 | my $last = substr($foo,rindex($foo,'the'),100); |
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18 | is($last, "their country."); |
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19 | |
20 | $last = substr($foo,index($foo,'Now'),2); |
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21 | is($last, "No"); |
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22 | |
23 | $last = substr($foo,rindex($foo,'Now'),2); |
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24 | is($last, "No"); |
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25 | |
26 | $last = substr($foo,index($foo,'.'),100); |
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27 | is($last, "."); |
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28 | |
29 | $last = substr($foo,rindex($foo,'.'),100); |
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30 | is($last, "."); |
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31 | |
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32 | is(index("ababa","a",-1), 0); |
33 | is(index("ababa","a",0), 0); |
34 | is(index("ababa","a",1), 2); |
35 | is(index("ababa","a",2), 2); |
36 | is(index("ababa","a",3), 4); |
37 | is(index("ababa","a",4), 4); |
38 | is(index("ababa","a",5), -1); |
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39 | |
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40 | is(rindex("ababa","a",-1), -1); |
41 | is(rindex("ababa","a",0), 0); |
42 | is(rindex("ababa","a",1), 0); |
43 | is(rindex("ababa","a",2), 2); |
44 | is(rindex("ababa","a",3), 2); |
45 | is(rindex("ababa","a",4), 4); |
46 | is(rindex("ababa","a",5), 4); |
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47 | |
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48 | # tests for empty search string |
49 | is(index("abc", "", -1), 0); |
50 | is(index("abc", "", 0), 0); |
51 | is(index("abc", "", 1), 1); |
52 | is(index("abc", "", 2), 2); |
53 | is(index("abc", "", 3), 3); |
54 | is(index("abc", "", 4), 3); |
55 | is(rindex("abc", "", -1), 0); |
56 | is(rindex("abc", "", 0), 0); |
57 | is(rindex("abc", "", 1), 1); |
58 | is(rindex("abc", "", 2), 2); |
59 | is(rindex("abc", "", 3), 3); |
60 | is(rindex("abc", "", 4), 3); |
61 | |
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62 | $a = "foo \x{1234}bar"; |
63 | |
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64 | is(index($a, "\x{1234}"), 4); |
65 | is(index($a, "bar", ), 5); |
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66 | |
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67 | is(rindex($a, "\x{1234}"), 4); |
68 | is(rindex($a, "foo", ), 0); |
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69 | |
70 | { |
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71 | my $needle = "\x{1230}\x{1270}"; |
72 | my @needles = split ( //, $needle ); |
73 | my $haystack = "\x{1228}\x{1228}\x{1230}\x{1270}"; |
74 | foreach ( @needles ) { |
75 | my $a = index ( "\x{1228}\x{1228}\x{1230}\x{1270}", $_ ); |
76 | my $b = index ( $haystack, $_ ); |
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77 | is($a, $b, q{[perl #22375] 'split'/'index' problem for utf8}); |
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78 | } |
79 | $needle = "\x{1270}\x{1230}"; # Transpose them. |
80 | @needles = split ( //, $needle ); |
81 | foreach ( @needles ) { |
82 | my $a = index ( "\x{1228}\x{1228}\x{1230}\x{1270}", $_ ); |
83 | my $b = index ( $haystack, $_ ); |
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84 | is($a, $b, q{[perl #22375] 'split'/'index' problem for utf8}); |
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85 | } |
86 | } |
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87 | |
88 | { |
89 | my $search = "foo \xc9 bar"; |
90 | my $text = "a\xa3\xa3a $search $search quux"; |
91 | |
92 | my $text_utf8 = $text; |
93 | utf8::upgrade($text_utf8); |
94 | my $search_utf8 = $search; |
95 | utf8::upgrade($search_utf8); |
96 | |
97 | is (index($text, $search), 5); |
98 | is (rindex($text, $search), 18); |
99 | is (index($text, $search_utf8), 5); |
100 | is (rindex($text, $search_utf8), 18); |
101 | is (index($text_utf8, $search), 5); |
102 | is (rindex($text_utf8, $search), 18); |
103 | is (index($text_utf8, $search_utf8), 5); |
104 | is (rindex($text_utf8, $search_utf8), 18); |
105 | |
106 | my $text_octets = $text_utf8; |
107 | utf8::encode ($text_octets); |
108 | my $search_octets = $search_utf8; |
109 | utf8::encode ($search_octets); |
110 | |
111 | is (index($text_octets, $search_octets), 7, "index octets, octets") |
112 | or _diag ($text_octets, $search_octets); |
113 | is (rindex($text_octets, $search_octets), 21, "rindex octets, octets"); |
114 | is (index($text_octets, $search_utf8), -1); |
115 | is (rindex($text_octets, $search_utf8), -1); |
116 | is (index($text_utf8, $search_octets), -1); |
117 | is (rindex($text_utf8, $search_octets), -1); |
118 | |
119 | is (index($text_octets, $search), -1); |
120 | is (rindex($text_octets, $search), -1); |
121 | is (index($text, $search_octets), -1); |
122 | is (rindex($text, $search_octets), -1); |
123 | } |