12 my $foo = 'Now is the time for all good men to come to the aid of their country.';
14 my $first = substr($foo,0,index($foo,'the'));
15 is($first, "Now is ");
17 my $last = substr($foo,rindex($foo,'the'),100);
18 is($last, "their country.");
20 $last = substr($foo,index($foo,'Now'),2);
23 $last = substr($foo,rindex($foo,'Now'),2);
26 $last = substr($foo,index($foo,'.'),100);
29 $last = substr($foo,rindex($foo,'.'),100);
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);
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);
48 $a = "foo \x{1234}bar";
50 is(index($a, "\x{1234}"), 4);
51 is(index($a, "bar", ), 5);
53 is(rindex($a, "\x{1234}"), 4);
54 is(rindex($a, "foo", ), 0);
57 my $needle = "\x{1230}\x{1270}";
58 my @needles = split ( //, $needle );
59 my $haystack = "\x{1228}\x{1228}\x{1230}\x{1270}";
60 foreach ( @needles ) {
61 my $a = index ( "\x{1228}\x{1228}\x{1230}\x{1270}", $_ );
62 my $b = index ( $haystack, $_ );
63 is($a, $b, q{[perl #22375] 'split'/'index' problem for utf8});
65 $needle = "\x{1270}\x{1230}"; # Transpose them.
66 @needles = split ( //, $needle );
67 foreach ( @needles ) {
68 my $a = index ( "\x{1228}\x{1228}\x{1230}\x{1270}", $_ );
69 my $b = index ( $haystack, $_ );
70 is($a, $b, q{[perl #22375] 'split'/'index' problem for utf8});
75 my $search = "foo \xc9 bar";
76 my $text = "a\xa3\xa3a $search $search quux";
78 my $text_utf8 = $text;
79 utf8::upgrade($text_utf8);
80 my $search_utf8 = $search;
81 utf8::upgrade($search_utf8);
83 is (index($text, $search), 5);
84 is (rindex($text, $search), 18);
85 is (index($text, $search_utf8), 5);
86 is (rindex($text, $search_utf8), 18);
87 is (index($text_utf8, $search), 5);
88 is (rindex($text_utf8, $search), 18);
89 is (index($text_utf8, $search_utf8), 5);
90 is (rindex($text_utf8, $search_utf8), 18);
92 my $text_octets = $text_utf8;
93 utf8::encode ($text_octets);
94 my $search_octets = $search_utf8;
95 utf8::encode ($search_octets);
97 is (index($text_octets, $search_octets), 7, "index octets, octets")
98 or _diag ($text_octets, $search_octets);
99 is (rindex($text_octets, $search_octets), 21, "rindex octets, octets");
100 is (index($text_octets, $search_utf8), -1);
101 is (rindex($text_octets, $search_utf8), -1);
102 is (index($text_utf8, $search_octets), -1);
103 is (rindex($text_utf8, $search_octets), -1);
105 is (index($text_octets, $search), -1);
106 is (rindex($text_octets, $search), -1);
107 is (index($text, $search_octets), -1);
108 is (rindex($text, $search_octets), -1);