#
# It is impossible to test every prototype that can be specified, but
# we should test as many as we can.
+#
+
+BEGIN {
+ chdir 't' if -d 't';
+ @INC = '../lib';
+}
use strict;
-print "1..74\n";
+print "1..125\n";
my $i = 1;
##
##
+testing \&a_subx, '\&';
+
+sub a_subx (\&) {
+ print "# \@_ = (",join(",",@_),")\n";
+ &{$_[0]};
+}
+
+sub tmp_sub_2 { printf "ok %d\n",$i++ }
+a_subx &tmp_sub_2;
+
+@array = ( \&tmp_sub_2 );
+eval 'a_subx @array';
+print "not " unless $@;
+printf "ok %d\n",$i++;
+
+##
+##
+##
+
testing \&sub_aref, '&\@';
sub sub_aref (&\@) {
@array = (qw(O K)," ", $i++);
sub_array { lc shift } @array;
+sub_array { lc shift } ('O', 'K', ' ', $i++);
print "\n";
##
##
##
-testing \&an_array_ref, '\@';
+testing \&array_ref_plus, '\@@';
-sub an_array_ref (\@) {
+sub array_ref_plus (\@@) {
print "# \@_ = (",join(",",@_),")\n";
- print "not " unless ref($_[0]) && 1 == @{$_[0]};
+ print "not " unless @_ == 2 && ref($_[0]) && 1 == @{$_[0]} && $_[1] eq 'x';
printf "ok %d\n",$i++;
@{$_[0]} = (qw(ok)," ",$i++,"\n");
}
@array = ('a');
-an_array_ref @array;
+{ my @more = ('x');
+ array_ref_plus @array, @more; }
print "not " unless @array == 4;
print @array;
+
+my $p;
+print "not " if defined prototype('CORE::print');
+print "ok ", $i++, "\n";
+
+print "not " if defined prototype('CORE::system');
+print "ok ", $i++, "\n";
+
+print "# CORE::open => ($p)\nnot " if ($p = prototype('CORE::open')) ne '*;$@';
+print "ok ", $i++, "\n";
+
+print "# CORE:Foo => ($p), \$@ => `$@'\nnot "
+ if defined ($p = eval { prototype('CORE::Foo') or 1 }) or $@ !~ /^Can't find an opnumber/;
+print "ok ", $i++, "\n";
+
+# correctly note too-short parameter lists that don't end with '$',
+# a possible regression.
+
+sub foo1 ($\@);
+eval q{ foo1 "s" };
+print "not " unless $@ =~ /^Not enough/;
+print "ok ", $i++, "\n";
+
+sub foo2 ($\%);
+eval q{ foo2 "s" };
+print "not " unless $@ =~ /^Not enough/;
+print "ok ", $i++, "\n";
+
+sub X::foo3;
+*X::foo3 = sub {'ok'};
+print "# $@not " unless eval {X->foo3} eq 'ok';
+print "ok ", $i++, "\n";
+
+sub X::foo4 ($);
+*X::foo4 = sub ($) {'ok'};
+print "not " unless X->foo4 eq 'ok';
+print "ok ", $i++, "\n";
+
+# test if the (*) prototype allows barewords, constants, scalar expressions,
+# globs and globrefs (just as CORE::open() does), all under stricture
+sub star (*&) { &{$_[1]} }
+sub star2 (**&) { &{$_[2]} }
+sub BAR { "quux" }
+sub Bar::BAZ { "quuz" }
+my $star = 'FOO';
+star FOO, sub { print "ok $i\n" if $_[0] eq 'FOO' }; $i++;
+star(FOO, sub { print "ok $i\n" if $_[0] eq 'FOO' }); $i++;
+star "FOO", sub { print "ok $i\n" if $_[0] eq 'FOO' }; $i++;
+star("FOO", sub { print "ok $i\n" if $_[0] eq 'FOO' }); $i++;
+star $star, sub { print "ok $i\n" if $_[0] eq 'FOO' }; $i++;
+star($star, sub { print "ok $i\n" if $_[0] eq 'FOO' }); $i++;
+star *FOO, sub { print "ok $i\n" if $_[0] eq \*FOO }; $i++;
+star(*FOO, sub { print "ok $i\n" if $_[0] eq \*FOO }); $i++;
+star \*FOO, sub { print "ok $i\n" if $_[0] eq \*FOO }; $i++;
+star(\*FOO, sub { print "ok $i\n" if $_[0] eq \*FOO }); $i++;
+star2 FOO, BAR, sub { print "ok $i\n"
+ if $_[0] eq 'FOO' and $_[1] eq 'BAR' }; $i++;
+star2(Bar::BAZ, FOO, sub { print "ok $i\n"
+ if $_[0] eq 'Bar::BAZ' and $_[1] eq 'FOO' }); $i++;
+star2 BAR(), FOO, sub { print "ok $i\n"
+ if $_[0] eq 'quux' and $_[1] eq 'FOO' }; $i++;
+star2(FOO, BAR(), sub { print "ok $i\n"
+ if $_[0] eq 'FOO' and $_[1] eq 'quux' }); $i++;
+star2 "FOO", "BAR", sub { print "ok $i\n"
+ if $_[0] eq 'FOO' and $_[1] eq 'BAR' }; $i++;
+star2("FOO", "BAR", sub { print "ok $i\n"
+ if $_[0] eq 'FOO' and $_[1] eq 'BAR' }); $i++;
+star2 $star, $star, sub { print "ok $i\n"
+ if $_[0] eq 'FOO' and $_[1] eq 'FOO' }; $i++;
+star2($star, $star, sub { print "ok $i\n"
+ if $_[0] eq 'FOO' and $_[1] eq 'FOO' }); $i++;
+star2 *FOO, *BAR, sub { print "ok $i\n"
+ if $_[0] eq \*FOO and $_[1] eq \*BAR }; $i++;
+star2(*FOO, *BAR, sub { print "ok $i\n"
+ if $_[0] eq \*FOO and $_[1] eq \*BAR }); $i++;
+star2 \*FOO, \*BAR, sub { no strict 'refs'; print "ok $i\n"
+ if $_[0] eq \*{'FOO'} and $_[1] eq \*{'BAR'} }; $i++;
+star2(\*FOO, \*BAR, sub { no strict 'refs'; print "ok $i\n"
+ if $_[0] eq \*{'FOO'} and $_[1] eq \*{'BAR'} }); $i++;
+
+# test scalarref prototype
+sub sreftest (\$$) {
+ print "ok $_[1]\n" if ref $_[0];
+}
+{
+ no strict 'vars';
+ sreftest my $sref, $i++;
+ sreftest($helem{$i}, $i++);
+ sreftest $aelem[0], $i++;
+}
+
+# test prototypes when they are evaled and there is a syntax error
+# Byacc generates the string "syntax error". Bison gives the
+# string "parse error".
+#
+for my $p ( "", qw{ () ($) ($@) ($%) ($;$) (&) (&\@) (&@) (%) (\%) (\@) } ) {
+ no warnings 'prototype';
+ my $eval = "sub evaled_subroutine $p { &void *; }";
+ eval $eval;
+ print "# eval[$eval]\nnot " unless $@ && $@ =~ /(parse|syntax) error/i;
+ print "ok ", $i++, "\n";
+}
+
+# Not $$;$;$
+print "not " unless prototype "CORE::substr" eq '$$;$$';
+print "ok ", $i++, "\n";
+
+# recv takes a scalar reference for its second argument
+print "not " unless prototype "CORE::recv" eq '*\\$$$';
+print "ok ", $i++, "\n";