}
use strict;
-plan( tests => 172 );
+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 $first = substr($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});
+ 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});
+ }
}
- $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 = "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);
+ 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);
}
-}
-{
- 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);
- 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);
-}
+ 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");
-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");
- 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");
+ }
- 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;
-# 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)");
+ eval $test_str;
+ die $@ if $@;
}
+ }
+ }
- #
- # 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)")};
- $test_str =~ s/\0/\\0/g;
+ {
+ # RT#75898
+ is(eval { utf8::upgrade($_ = " "); 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');
+ }
- eval $test_str;
- die $@ if $@;
- }
+ # RT #89218
+ use constant {PVBM => 'galumphing', PVBM2 => 'bang'};
+
+ sub index_it {
+ is(index('galumphing', PVBM), 0,
+ "index isn't confused by format compilation");
+ }
+
+ index_it();
+ is($^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');
}
-}
-{
- # 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');
-}
+ # 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';
-# RT #89218
-use constant {PVBM => 'galumphing', PVBM2 => 'bang'};
+ is index('the main road', __PACKAGE__), 4,
+ '[perl #119169] __PACKAGE__ as 2nd argument';
-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');
-}
+ utf8::upgrade my $substr = "\x{a3}a";
-# 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($substr, 'a'), 1, 'index reply reflects characters not octets';
-is index('the main road', __PACKAGE__), 4,
- '[perl #119169] __PACKAGE__ as 2nd argument';
+ # op_eq, op_const optimised away in (index() == -1) and variants
-} # end of sub run_tests
+ 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' ],
-utf8::upgrade my $substr = "\x{a3}a";
+ [ '<=', -1, 'f' ],
+ [ '<=', 0, 'f' ],
-is index($substr, 'a'), 1, 'index reply reflects characters not octets';
+ [ '==', -1, 'f' ],
+ [ '==', 0, 'F' ],
-# op_eq, op_const optimised away in (index() == -1) and variants
+ [ '!=', -1, 't' ],
+ [ '!=', 0, 'T' ],
-for my $test (
- # op const match
- [ '==', -1, 0 ],
- [ '!=', -1, 1 ],
-) {
- my ($op, $const, $match) = @$test;
+ [ '>=', -1, 'T' ],
+ [ '>=', 0, 't' ],
- my $s = "abcde";
- my $r;
+ [ '>', -1, 't' ],
+ [ '>', 0, 't' ],
+ ) {
+ my ($op, $const, $expect0) = @$test;
- for my $substr ("a", "z") {
- my $expect = !(($substr eq "a") xor $match);
- for my $rindex ("", "r") {
- for my $reverse (0, 1) {
- for my $targmy (0, 1) {
- my $index = "${rindex}index(\$s, '$substr')";
- my $expr = $reverse ? "$const $op $index" : "$index $op $const";
- # OPpTARGET_MY variant: the '$r = ' is optimised away too
- $expr = "\$r = ($expr)" if $targmy;
+ my $s = "abcde";
+ my $r;
- my $got = eval $expr;
- die "eval of <$expr> gave: $@\n" if $@ ne "";
+ for my $substr ("e", "z") {
+ my $expect =
+ $expect0 eq 'T' ? 1 == 1 :
+ $expect0 eq 'F' ? 0 == 1 :
+ $expect0 eq 't' ? ($substr eq "e") :
+ ($substr ne "e");
- is !!$got, $expect, $expr;
- if ($targmy) {
- is !!$r, $expect, "$expr - r value";
+ 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;
+ {
+ # 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");
+ ok(!(($r = index($s,"z")) == -1), "(r = index(a)) == -1");
+ is($r, 4, "(r = index(a)) == -1 - r value");
-}
+ }
+
+} # end of sub run_tests
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