BEGIN {
chdir 't' if -d 't';
- @INC = '../lib';
+ require './test.pl';
+ set_up_inc('../lib');
+ require './charset_tools.pl';
}
use strict;
-require './test.pl';
-plan( tests => 58 );
+plan( tests => 412 );
+
+run_tests() unless caller;
+
+sub run_tests {
my $foo = 'Now is the time for all good men to come to the aid of their country.';
}
{
- my $search = "foo \xc9 bar";
- my $text = "a\xa3\xa3a $search $search quux";
+ my $search;
+ my $text;
+ $search = "foo " . uni_to_native("\xc9") . " bar";
+ $text = "a" . uni_to_native("\xa3\xa3") . "a $search $search quux";
my $text_utf8 = $text;
utf8::upgrade($text_utf8);
is (index($text, $search_octets), -1);
is (rindex($text, $search_octets), -1);
}
+
+SKIP: {
+ skip("Not a 64-bit machine", 3) if length sprintf("%x", ~0) <= 8;
+ my $a = eval q{"\x{80000000}"};
+ my $s = $a.'defxyz';
+ is(index($s, 'def'), 1, "0x80000000 is a single character");
+
+ my $b = eval q{"\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");
+
+{
+ use constant perl => "rules";
+ is(index("perl rules", perl), 5, 'first index of a constant works');
+ is(index("rules 1 & 2", perl), 0, 'second index of the same constant works');
+}
+
+# PVBM compilation should not flatten ref constants
+use constant riffraff => \our $referent;
+index "foo", riffraff;
+is ref riffraff, 'SCALAR', 'index does not flatten ref constants';
+
+package o { use overload '""' => sub { "foo" } }
+bless \our $referent, o::;
+is index("foo", riffraff), 0,
+ 'index respects changes in ref stringification';
+
+use constant quire => ${qr/(?{})/}; # A REGEXP, not a reference to one
+index "foo", quire;
+eval ' "" =~ quire ';
+is $@, "", 'regexp constants containing code blocks are not flattened';
+
+use constant bang => $! = 8;
+index "foo", bang;
+cmp_ok bang, '==', 8, 'dualvar constants are not flattened';
+
+use constant u => undef;
+{
+ my $w;
+ local $SIG{__WARN__} = sub { $w .= shift };
+ eval '
+ use warnings;
+ sub { () = index "foo", u; }
+ ';
+ is $w, undef, 'no warnings from compiling index($foo, undef_constant)';
+}
+is u, undef, 'undef constant is still undef';
+
+is index('the main road', __PACKAGE__), 4,
+ '[perl #119169] __PACKAGE__ as 2nd argument';
+
+utf8::upgrade my $substr = "\x{a3}a";
+
+is index($substr, 'a'), 1, 'index reply reflects characters not octets';
+
+# op_eq, op_const optimised away in (index() == -1) and variants
+
+for my $test (
+ # expect:
+ # F: always false regardless of the expression
+ # T: always true regardless of the expression
+ # f: expect false if the string is found
+ # t: expect true if the string is found
+ #
+ # op const expect
+ [ '<', -1, 'F' ],
+ [ '<', 0, 'f' ],
+
+ [ '<=', -1, 'f' ],
+ [ '<=', 0, 'f' ],
+
+ [ '==', -1, 'f' ],
+ [ '==', 0, 'F' ],
+
+ [ '!=', -1, 't' ],
+ [ '!=', 0, 'T' ],
+
+ [ '>=', -1, 'T' ],
+ [ '>=', 0, 't' ],
+
+ [ '>', -1, 't' ],
+ [ '>', 0, 't' ],
+) {
+ my ($op, $const, $expect0) = @$test;
+
+ my $s = "abcde";
+ my $r;
+
+ for my $substr ("e", "z") {
+ my $expect =
+ $expect0 eq 'T' ? 1 == 1 :
+ $expect0 eq 'F' ? 0 == 1 :
+ $expect0 eq 't' ? ($substr eq "e") :
+ ($substr ne "e");
+
+ for my $rindex ("", "r") {
+ for my $reverse (0, 1) {
+ my $rop = $op;
+ if ($reverse) {
+ $rop =~ s/>/</ or $rop =~ s/</>/;
+ }
+ for my $targmy (0, 1) {
+ my $index = "${rindex}index(\$s, '$substr')";
+ my $expr = $reverse ? "$const $rop $index" : "$index $rop $const";
+ # OPpTARGET_MY variant: the '$r = ' is optimised away too
+ $expr = "\$r = ($expr)" if $targmy;
+
+ my $got = eval $expr;
+ die "eval of <$expr> gave: $@\n" if $@ ne "";
+
+ is !!$got, $expect, $expr;
+ if ($targmy) {
+ is !!$r, $expect, "$expr - r value";
+ }
+ }
+ }
+ }
+ }
+}
+
+{
+ # RT #131823
+ # index with OPpTARGET_MY shouldn't do the '== -1' optimisation
+ my $s = "abxyz";
+ my $r;
+
+ ok(!(($r = index($s,"z")) == -1), "(r = index(a)) == -1");
+ is($r, 4, "(r = index(a)) == -1 - r value");
+
+
+}
+
+} # end of sub run_tests
https://perl5.git.perl.org / perl5.git / blobdiff