This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Variants of several regression tests that run the actul tests inside
[perl5.git] / t / op / index.t
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1#!./perl
2
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3BEGIN {
4 chdir 't' if -d 't';
5 @INC = '../lib';
6448472a 6 require './test.pl';
c39c4c41 7}
a687059c 8
e609e586 9use strict;
6448472a 10plan( tests => 69 );
a687059c 11
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12run_tests() unless caller;
13
14sub run_tests {
15
e609e586 16my $foo = 'Now is the time for all good men to come to the aid of their country.';
a687059c 17
e609e586 18my $first = substr($foo,0,index($foo,'the'));
c39c4c41 19is($first, "Now is ");
a687059c 20
e609e586 21my $last = substr($foo,rindex($foo,'the'),100);
c39c4c41 22is($last, "their country.");
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23
24$last = substr($foo,index($foo,'Now'),2);
c39c4c41 25is($last, "No");
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26
27$last = substr($foo,rindex($foo,'Now'),2);
c39c4c41 28is($last, "No");
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29
30$last = substr($foo,index($foo,'.'),100);
c39c4c41 31is($last, ".");
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32
33$last = substr($foo,rindex($foo,'.'),100);
c39c4c41 34is($last, ".");
d9d8d8de 35
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36is(index("ababa","a",-1), 0);
37is(index("ababa","a",0), 0);
38is(index("ababa","a",1), 2);
39is(index("ababa","a",2), 2);
40is(index("ababa","a",3), 4);
41is(index("ababa","a",4), 4);
42is(index("ababa","a",5), -1);
d9d8d8de 43
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44is(rindex("ababa","a",-1), -1);
45is(rindex("ababa","a",0), 0);
46is(rindex("ababa","a",1), 0);
47is(rindex("ababa","a",2), 2);
48is(rindex("ababa","a",3), 2);
49is(rindex("ababa","a",4), 4);
50is(rindex("ababa","a",5), 4);
4f593451 51
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52# tests for empty search string
53is(index("abc", "", -1), 0);
54is(index("abc", "", 0), 0);
55is(index("abc", "", 1), 1);
56is(index("abc", "", 2), 2);
57is(index("abc", "", 3), 3);
58is(index("abc", "", 4), 3);
59is(rindex("abc", "", -1), 0);
60is(rindex("abc", "", 0), 0);
61is(rindex("abc", "", 1), 1);
62is(rindex("abc", "", 2), 2);
63is(rindex("abc", "", 3), 3);
64is(rindex("abc", "", 4), 3);
65
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66$a = "foo \x{1234}bar";
67
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68is(index($a, "\x{1234}"), 4);
69is(index($a, "bar", ), 5);
4f593451 70
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71is(rindex($a, "\x{1234}"), 4);
72is(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, $_ );
c39c4c41 81 is($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, $_ );
c39c4c41 88 is($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;
95 if (ord('A') == 193) {
96 $search = "foo \x71 bar";
97 $text = "a\xb1\xb1a $search $search quux";
98 } else {
99 $search = "foo \xc9 bar";
100 $text = "a\xa3\xa3a $search $search quux";
101 }
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102
103 my $text_utf8 = $text;
104 utf8::upgrade($text_utf8);
105 my $search_utf8 = $search;
106 utf8::upgrade($search_utf8);
107
108 is (index($text, $search), 5);
109 is (rindex($text, $search), 18);
110 is (index($text, $search_utf8), 5);
111 is (rindex($text, $search_utf8), 18);
112 is (index($text_utf8, $search), 5);
113 is (rindex($text_utf8, $search), 18);
114 is (index($text_utf8, $search_utf8), 5);
115 is (rindex($text_utf8, $search_utf8), 18);
116
117 my $text_octets = $text_utf8;
118 utf8::encode ($text_octets);
119 my $search_octets = $search_utf8;
120 utf8::encode ($search_octets);
121
122 is (index($text_octets, $search_octets), 7, "index octets, octets")
123 or _diag ($text_octets, $search_octets);
124 is (rindex($text_octets, $search_octets), 21, "rindex octets, octets");
125 is (index($text_octets, $search_utf8), -1);
126 is (rindex($text_octets, $search_utf8), -1);
127 is (index($text_utf8, $search_octets), -1);
128 is (rindex($text_utf8, $search_octets), -1);
129
130 is (index($text_octets, $search), -1);
131 is (rindex($text_octets, $search), -1);
132 is (index($text, $search_octets), -1);
133 is (rindex($text, $search_octets), -1);
134}
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135
136foreach my $utf8 ('', ', utf-8') {
137 foreach my $arraybase (0, 1, -1, -2) {
138 my $expect_pos = 2 + $arraybase;
139
140 my $prog = "\$[ = $arraybase; \$big = \"N\\xabN\\xab\"; ";
141 $prog .= '$big .= chr 256; chop $big; ' if $utf8;
142 $prog .= 'print rindex $big, "N", 2 + $[';
143
144 fresh_perl_is($prog, $expect_pos, {}, "\$[ = $arraybase$utf8");
145 }
146}
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147
148SKIP: {
149 skip "UTF-EBCDIC is limited to 0x7fffffff", 3 if ord("A") == 193;
150
151 my $a = "\x{80000000}";
152 my $s = $a.'defxyz';
153 is(index($s, 'def'), 1, "0x80000000 is a single character");
154
155 my $b = "\x{fffffffd}";
156 my $t = $b.'pqrxyz';
157 is(index($t, 'pqr'), 1, "0xfffffffd is a single character");
158
159 local ${^UTF8CACHE} = -1;
160 is(index($t, 'xyz'), 4, "0xfffffffd and utf8cache");
161}
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162
163}