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1 | #!./perl |
2 | |
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3 | BEGIN { |
4 | chdir 't' if -d 't'; |
5 | @INC = '../lib'; |
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6 | require './test.pl'; |
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7 | } |
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8 | |
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9 | use strict; |
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10 | plan( tests => 111 ); |
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11 | |
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12 | run_tests() unless caller; |
13 | |
14 | sub run_tests { |
15 | |
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16 | my $foo = 'Now is the time for all good men to come to the aid of their country.'; |
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17 | |
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18 | my $first = substr($foo,0,index($foo,'the')); |
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19 | is($first, "Now is "); |
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20 | |
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21 | my $last = substr($foo,rindex($foo,'the'),100); |
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22 | is($last, "their country."); |
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23 | |
24 | $last = substr($foo,index($foo,'Now'),2); |
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25 | is($last, "No"); |
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26 | |
27 | $last = substr($foo,rindex($foo,'Now'),2); |
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28 | is($last, "No"); |
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29 | |
30 | $last = substr($foo,index($foo,'.'),100); |
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31 | is($last, "."); |
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32 | |
33 | $last = substr($foo,rindex($foo,'.'),100); |
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34 | is($last, "."); |
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35 | |
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36 | is(index("ababa","a",-1), 0); |
37 | is(index("ababa","a",0), 0); |
38 | is(index("ababa","a",1), 2); |
39 | is(index("ababa","a",2), 2); |
40 | is(index("ababa","a",3), 4); |
41 | is(index("ababa","a",4), 4); |
42 | is(index("ababa","a",5), -1); |
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43 | |
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44 | is(rindex("ababa","a",-1), -1); |
45 | is(rindex("ababa","a",0), 0); |
46 | is(rindex("ababa","a",1), 0); |
47 | is(rindex("ababa","a",2), 2); |
48 | is(rindex("ababa","a",3), 2); |
49 | is(rindex("ababa","a",4), 4); |
50 | is(rindex("ababa","a",5), 4); |
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51 | |
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52 | # tests for empty search string |
53 | is(index("abc", "", -1), 0); |
54 | is(index("abc", "", 0), 0); |
55 | is(index("abc", "", 1), 1); |
56 | is(index("abc", "", 2), 2); |
57 | is(index("abc", "", 3), 3); |
58 | is(index("abc", "", 4), 3); |
59 | is(rindex("abc", "", -1), 0); |
60 | is(rindex("abc", "", 0), 0); |
61 | is(rindex("abc", "", 1), 1); |
62 | is(rindex("abc", "", 2), 2); |
63 | is(rindex("abc", "", 3), 3); |
64 | is(rindex("abc", "", 4), 3); |
65 | |
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66 | $a = "foo \x{1234}bar"; |
67 | |
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68 | is(index($a, "\x{1234}"), 4); |
69 | is(index($a, "bar", ), 5); |
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70 | |
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71 | is(rindex($a, "\x{1234}"), 4); |
72 | is(rindex($a, "foo", ), 0); |
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73 | |
74 | { |
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75 | my $needle = "\x{1230}\x{1270}"; |
76 | my @needles = split ( //, $needle ); |
77 | my $haystack = "\x{1228}\x{1228}\x{1230}\x{1270}"; |
78 | foreach ( @needles ) { |
79 | my $a = index ( "\x{1228}\x{1228}\x{1230}\x{1270}", $_ ); |
80 | my $b = index ( $haystack, $_ ); |
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81 | is($a, $b, q{[perl #22375] 'split'/'index' problem for utf8}); |
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82 | } |
83 | $needle = "\x{1270}\x{1230}"; # Transpose them. |
84 | @needles = split ( //, $needle ); |
85 | foreach ( @needles ) { |
86 | my $a = index ( "\x{1228}\x{1228}\x{1230}\x{1270}", $_ ); |
87 | my $b = index ( $haystack, $_ ); |
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88 | is($a, $b, q{[perl #22375] 'split'/'index' problem for utf8}); |
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89 | } |
90 | } |
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91 | |
92 | { |
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93 | my $search; |
94 | my $text; |
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95 | $search = latin1_to_native("foo \xc9 bar"); |
96 | $text = latin1_to_native("a\xa3\xa3a $search $search quux"); |
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97 | |
98 | my $text_utf8 = $text; |
99 | utf8::upgrade($text_utf8); |
100 | my $search_utf8 = $search; |
101 | utf8::upgrade($search_utf8); |
102 | |
103 | is (index($text, $search), 5); |
104 | is (rindex($text, $search), 18); |
105 | is (index($text, $search_utf8), 5); |
106 | is (rindex($text, $search_utf8), 18); |
107 | is (index($text_utf8, $search), 5); |
108 | is (rindex($text_utf8, $search), 18); |
109 | is (index($text_utf8, $search_utf8), 5); |
110 | is (rindex($text_utf8, $search_utf8), 18); |
111 | |
112 | my $text_octets = $text_utf8; |
113 | utf8::encode ($text_octets); |
114 | my $search_octets = $search_utf8; |
115 | utf8::encode ($search_octets); |
116 | |
117 | is (index($text_octets, $search_octets), 7, "index octets, octets") |
118 | or _diag ($text_octets, $search_octets); |
119 | is (rindex($text_octets, $search_octets), 21, "rindex octets, octets"); |
120 | is (index($text_octets, $search_utf8), -1); |
121 | is (rindex($text_octets, $search_utf8), -1); |
122 | is (index($text_utf8, $search_octets), -1); |
123 | is (rindex($text_utf8, $search_octets), -1); |
124 | |
125 | is (index($text_octets, $search), -1); |
126 | is (rindex($text_octets, $search), -1); |
127 | is (index($text, $search_octets), -1); |
128 | is (rindex($text, $search_octets), -1); |
129 | } |
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130 | |
131 | foreach my $utf8 ('', ', utf-8') { |
132 | foreach my $arraybase (0, 1, -1, -2) { |
133 | my $expect_pos = 2 + $arraybase; |
134 | |
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135 | my $prog = "no warnings 'deprecated';\n"; |
136 | $prog .= "\$[ = $arraybase; \$big = \"N\\xabN\\xab\"; "; |
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137 | $prog .= '$big .= chr 256; chop $big; ' if $utf8; |
138 | $prog .= 'print rindex $big, "N", 2 + $['; |
139 | |
140 | fresh_perl_is($prog, $expect_pos, {}, "\$[ = $arraybase$utf8"); |
141 | } |
142 | } |
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143 | |
144 | SKIP: { |
145 | skip "UTF-EBCDIC is limited to 0x7fffffff", 3 if ord("A") == 193; |
146 | |
147 | my $a = "\x{80000000}"; |
148 | my $s = $a.'defxyz'; |
149 | is(index($s, 'def'), 1, "0x80000000 is a single character"); |
150 | |
151 | my $b = "\x{fffffffd}"; |
152 | my $t = $b.'pqrxyz'; |
153 | is(index($t, 'pqr'), 1, "0xfffffffd is a single character"); |
154 | |
155 | local ${^UTF8CACHE} = -1; |
156 | is(index($t, 'xyz'), 4, "0xfffffffd and utf8cache"); |
157 | } |
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158 | |
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159 | |
160 | # Tests for NUL characters. |
161 | { |
162 | my @tests = ( |
163 | ["", -1, -1, -1], |
164 | ["foo", -1, -1, -1], |
165 | ["\0", 0, -1, -1], |
166 | ["\0\0", 0, 0, -1], |
167 | ["\0\0\0", 0, 0, 0], |
168 | ["foo\0", 3, -1, -1], |
169 | ["foo\0foo\0\0", 3, 7, -1], |
170 | ); |
171 | foreach my $l (1 .. 3) { |
172 | my $q = "\0" x $l; |
173 | my $i = 0; |
174 | foreach my $test (@tests) { |
175 | $i ++; |
176 | my $str = $$test [0]; |
177 | my $res = $$test [$l]; |
178 | |
179 | { |
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180 | is (index ($str, $q), $res, "Find NUL character(s)"); |
181 | } |
182 | |
183 | # |
184 | # Bug #53746 shows a difference between variables and literals, |
185 | # so test literals as well. |
186 | # |
187 | my $test_str = qq {is (index ("$str", "$q"), $res, } . |
188 | qq {"Find NUL character(s)")}; |
189 | $test_str =~ s/\0/\\0/g; |
190 | |
191 | eval $test_str; |
192 | die $@ if $@; |
193 | } |
194 | } |
195 | } |
196 | |
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197 | } |