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#!./perl
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
require './test.pl';
}
use strict;
plan( tests => 78 );
sub run_tests {
my $foo = 'Now is the time for all good men to come to the aid of their country.';
my $first = substr($foo,0,index($foo,'the'));
is($first, "Now is ");
my $last = substr($foo,rindex($foo,'the'),100);
is($last, "their country.");
$last = substr($foo,index($foo,'Now'),2);
is($last, "No");
$last = substr($foo,rindex($foo,'Now'),2);
is($last, "No");
$last = substr($foo,index($foo,'.'),100);
is($last, ".");
$last = substr($foo,rindex($foo,'.'),100);
is($last, ".");
is(index("ababa","a",-1), 0);
is(index("ababa","a",0), 0);
is(index("ababa","a",1), 2);
is(index("ababa","a",2), 2);
is(index("ababa","a",3), 4);
is(index("ababa","a",4), 4);
is(index("ababa","a",5), -1);
is(rindex("ababa","a",-1), -1);
is(rindex("ababa","a",0), 0);
is(rindex("ababa","a",1), 0);
is(rindex("ababa","a",2), 2);
is(rindex("ababa","a",3), 2);
is(rindex("ababa","a",4), 4);
is(rindex("ababa","a",5), 4);
# tests for empty search string
is(index("abc", "", -1), 0);
is(index("abc", "", 0), 0);
is(index("abc", "", 1), 1);
is(index("abc", "", 2), 2);
is(index("abc", "", 3), 3);
is(index("abc", "", 4), 3);
is(rindex("abc", "", -1), 0);
is(rindex("abc", "", 0), 0);
is(rindex("abc", "", 1), 1);
is(rindex("abc", "", 2), 2);
is(rindex("abc", "", 3), 3);
is(rindex("abc", "", 4), 3);
$a = "foo \x{1234}bar";
is(index($a, "\x{1234}"), 4);
is(index($a, "bar", ), 5);
is(rindex($a, "\x{1234}"), 4);
is(rindex($a, "foo", ), 0);
# {
# my $needle = "\x{1230}\x{1270}";
# my @needles = split ( //, $needle );
# my $haystack = "\x{1228}\x{1228}\x{1230}\x{1270}";
# foreach ( @needles ) {
# my $a = index ( "\x{1228}\x{1228}\x{1230}\x{1270}", $_ );
# my $b = index ( $haystack, $_ );
# is($a, $b, q{[perl #22375] 'split'/'index' problem for utf8});
# }
# $needle = "\x{1270}\x{1230}"; # Transpose them.
# @needles = split ( //, $needle );
# foreach ( @needles ) {
# my $a = index ( "\x{1228}\x{1228}\x{1230}\x{1270}", $_ );
# my $b = index ( $haystack, $_ );
# is($a, $b, q{[perl #22375] 'split'/'index' problem for utf8});
# }
# }
#
# {
# my $search;
# my $text;
# $search = latin1_to_native("foo \xc9 bar");
# $text = latin1_to_native("a\xa3\xa3a $search $search quux");
#
# my $text_utf8 = $text;
# utf8::upgrade($text_utf8);
# my $search_utf8 = $search;
# utf8::upgrade($search_utf8);
#
# is (index($text, $search), 5);
# is (rindex($text, $search), 18);
# is (index($text, $search_utf8), 5);
# is (rindex($text, $search_utf8), 18);
# is (index($text_utf8, $search), 5);
# is (rindex($text_utf8, $search), 18);
# is (index($text_utf8, $search_utf8), 5);
# is (rindex($text_utf8, $search_utf8), 18);
#
# my $text_octets = $text_utf8;
# utf8::encode ($text_octets);
# my $search_octets = $search_utf8;
# utf8::encode ($search_octets);
#
# is (index($text_octets, $search_octets), 7, "index octets, octets")
# or _diag ($text_octets, $search_octets);
# is (rindex($text_octets, $search_octets), 21, "rindex octets, octets");
# is (index($text_octets, $search_utf8), -1);
# is (rindex($text_octets, $search_utf8), -1);
# is (index($text_utf8, $search_octets), -1);
# is (rindex($text_utf8, $search_octets), -1);
#
# is (index($text_octets, $search), -1);
# is (rindex($text_octets, $search), -1);
# is (index($text, $search_octets), -1);
# is (rindex($text, $search_octets), -1);
# }
#
# foreach my $utf8 ('', ', utf-8') {
# foreach my $arraybase (0, 1, -1, -2) {
# my $expect_pos = 2 + $arraybase;
#
# my $prog = "no warnings 'deprecated';\n";
# $prog .= "\$[ = $arraybase; \$big = \"N\\xabN\\xab\"; ";
# $prog .= '$big .= chr 256; chop $big; ' if $utf8;
# $prog .= 'print rindex $big, "N", 2 + $[';
#
# fresh_perl_is($prog, $expect_pos, {}, "\$[ = $arraybase$utf8");
# }
# }
#
# SKIP: {
# skip "UTF-EBCDIC is limited to 0x7fffffff", 3 if ord("A") == 193;
#
# my $a = "\x{80000000}";
# my $s = $a.'defxyz';
# is(index($s, 'def'), 1, "0x80000000 is a single character");
#
# my $b = "\x{fffffffd}";
# my $t = $b.'pqrxyz';
# is(index($t, 'pqr'), 1, "0xfffffffd is a single character");
#
# local ${^UTF8CACHE} = -1;
# is(index($t, 'xyz'), 4, "0xfffffffd and utf8cache");
# }
#
#
# Tests for NUL characters.
{
my @tests = (
["", -1, -1, -1],
["foo", -1, -1, -1],
["\0", 0, -1, -1],
["\0\0", 0, 0, -1],
["\0\0\0", 0, 0, 0],
["foo\0", 3, -1, -1],
["foo\0foo\0\0", 3, 7, -1],
);
foreach my $l (1 .. 3) {
my $q = "\0" x $l;
my $i = 0;
foreach my $test (@tests) {
$i ++;
my $str = $$test [0];
my $res = $$test [$l];
{
is (index ($str, $q), $res, "Find NUL character(s)");
}
#
# Bug #53746 shows a difference between variables and literals,
# so test literals as well.
#
my $test_str = qq {is (index ("$str", "$q"), $res, } .
qq {"Find NUL character(s)")};
$test_str =~ s/\0/\\0/g;
eval $test_str;
die $@ if $@;
}
}
}
#
# {
# # RT#75898
# is(eval { utf8::upgrade($_ = " "); index $_, " ", 72 }, -1,
# 'UTF-8 cache handles offset beyond the end of the string');
# $_ = "\x{100}BC";
# is(index($_, "C", 4), -1,
# 'UTF-8 cache handles offset beyond the end of the string');
# }
#
# # RT #89218
# use constant {PVBM => 'galumphing', PVBM2 => 'bang'};
#
# sub index_it {
# is(index('galumphing', PVBM), 0,
# "index isn't confused by format compilation");
# }
#
# index_it();
# is($^A, '', '$^A is empty');
# formline PVBM;
# is($^A, 'galumphing', "formline isn't confused by index compilation");
# index_it();
#
# $^A = '';
# # must not do index here before formline.
# is($^A, '', '$^A is empty');
# formline PVBM2;
# is($^A, 'bang', "formline isn't confused by index compilation");
# is(index('bang', PVBM2), 0, "index isn't confused by format compilation");
}
run_tests() unless 0;
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