1 files changed, 415 insertions, 0 deletions
diff --git a/contrib/perl5/t/comp/proto.t b/contrib/perl5/t/comp/proto.t
new file mode 100755
index 000000000000..6a59107ce72b
--- /dev/null
+++ b/contrib/perl5/t/comp/proto.t
@@ -0,0 +1,415 @@
+#!./perl
+#
+# Contributed by Graham Barr <Graham.Barr@tiuk.ti.com>
+#
+# So far there are tests for the following prototypes.
+# none, () ($) ($@) ($%) ($;$) (&) (&\@) (&@) (%) (\%) (\@)
+#
+# 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..82\n";
+
+my $i = 1;
+
+sub testing (&$) {
+    my $p = prototype(shift);
+    my $c = shift;
+    my $what = defined $c ? '(' . $p . ')' : 'no prototype';   
+    print '#' x 25,"\n";
+    print '# Testing ',$what,"\n";
+    print '#' x 25,"\n";
+    print "not "
+	if((defined($p) && defined($c) && $p ne $c)
+	   || (defined($p) != defined($c)));
+    printf "ok %d\n",$i++;
+}
+
+@_ = qw(a b c d);
+my @array;
+my %hash;
+
+##
+##
+##
+
+testing \&no_proto, undef;
+
+sub no_proto {
+    print "# \@_ = (",join(",",@_),")\n";
+    scalar(@_)
+}
+
+print "not " unless 0 == no_proto();
+printf "ok %d\n",$i++;
+
+print "not " unless 1 == no_proto(5);
+printf "ok %d\n",$i++;
+
+print "not " unless 4 == &no_proto;
+printf "ok %d\n",$i++;
+
+print "not " unless 1 == no_proto +6;
+printf "ok %d\n",$i++;
+
+print "not " unless 4 == no_proto(@_);
+printf "ok %d\n",$i++;
+
+##
+##
+##
+
+
+testing \&no_args, '';
+
+sub no_args () {
+    print "# \@_ = (",join(",",@_),")\n";
+    scalar(@_)
+}
+
+print "not " unless 0 == no_args();
+printf "ok %d\n",$i++;
+
+print "not " unless 0 == no_args;
+printf "ok %d\n",$i++;
+
+print "not " unless 5 == no_args +5;
+printf "ok %d\n",$i++;
+
+print "not " unless 4 == &no_args;
+printf "ok %d\n",$i++;
+
+print "not " unless 2 == &no_args(1,2);
+printf "ok %d\n",$i++;
+
+eval "no_args(1)";
+print "not " unless $@;
+printf "ok %d\n",$i++;
+
+##
+##
+##
+
+testing \&one_args, '$';
+
+sub one_args ($) {
+    print "# \@_ = (",join(",",@_),")\n";
+    scalar(@_)
+}
+
+print "not " unless 1 == one_args(1);
+printf "ok %d\n",$i++;
+
+print "not " unless 1 == one_args +5;
+printf "ok %d\n",$i++;
+
+print "not " unless 4 == &one_args;
+printf "ok %d\n",$i++;
+
+print "not " unless 2 == &one_args(1,2);
+printf "ok %d\n",$i++;
+
+eval "one_args(1,2)";
+print "not " unless $@;
+printf "ok %d\n",$i++;
+
+eval "one_args()";
+print "not " unless $@;
+printf "ok %d\n",$i++;
+
+sub one_a_args ($) {
+    print "# \@_ = (",join(",",@_),")\n";
+    print "not " unless @_ == 1 && $_[0] == 4;
+    printf "ok %d\n",$i++;
+}
+
+one_a_args(@_);
+
+##
+##
+##
+
+testing \&over_one_args, '$@';
+
+sub over_one_args ($@) {
+    print "# \@_ = (",join(",",@_),")\n";
+    scalar(@_)
+}
+
+print "not " unless 1 == over_one_args(1);
+printf "ok %d\n",$i++;
+
+print "not " unless 2 == over_one_args(1,2);
+printf "ok %d\n",$i++;
+
+print "not " unless 1 == over_one_args +5;
+printf "ok %d\n",$i++;
+
+print "not " unless 4 == &over_one_args;
+printf "ok %d\n",$i++;
+
+print "not " unless 2 == &over_one_args(1,2);
+printf "ok %d\n",$i++;
+
+print "not " unless 5 == &over_one_args(1,@_);
+printf "ok %d\n",$i++;
+
+eval "over_one_args()";
+print "not " unless $@;
+printf "ok %d\n",$i++;
+
+sub over_one_a_args ($@) {
+    print "# \@_ = (",join(",",@_),")\n";
+    print "not " unless @_ >= 1 && $_[0] == 4;
+    printf "ok %d\n",$i++;
+}
+
+over_one_a_args(@_);
+over_one_a_args(@_,1);
+over_one_a_args(@_,1,2);
+over_one_a_args(@_,@_);
+
+##
+##
+##
+
+testing \&scalar_and_hash, '$%';
+
+sub scalar_and_hash ($%) {
+    print "# \@_ = (",join(",",@_),")\n";
+    scalar(@_)
+}
+
+print "not " unless 1 == scalar_and_hash(1);
+printf "ok %d\n",$i++;
+
+print "not " unless 3 == scalar_and_hash(1,2,3);
+printf "ok %d\n",$i++;
+
+print "not " unless 1 == scalar_and_hash +5;
+printf "ok %d\n",$i++;
+
+print "not " unless 4 == &scalar_and_hash;
+printf "ok %d\n",$i++;
+
+print "not " unless 2 == &scalar_and_hash(1,2);
+printf "ok %d\n",$i++;
+
+print "not " unless 5 == &scalar_and_hash(1,@_);
+printf "ok %d\n",$i++;
+
+eval "scalar_and_hash()";
+print "not " unless $@;
+printf "ok %d\n",$i++;
+
+sub scalar_and_hash_a ($@) {
+    print "# \@_ = (",join(",",@_),")\n";
+    print "not " unless @_ >= 1 && $_[0] == 4;
+    printf "ok %d\n",$i++;
+}
+
+scalar_and_hash_a(@_);
+scalar_and_hash_a(@_,1);
+scalar_and_hash_a(@_,1,2);
+scalar_and_hash_a(@_,@_);
+
+##
+##
+##
+
+testing \&one_or_two, '$;$';
+
+sub one_or_two ($;$) {
+    print "# \@_ = (",join(",",@_),")\n";
+    scalar(@_)
+}
+
+print "not " unless 1 == one_or_two(1);
+printf "ok %d\n",$i++;
+
+print "not " unless 2 == one_or_two(1,3);
+printf "ok %d\n",$i++;
+
+print "not " unless 1 == one_or_two +5;
+printf "ok %d\n",$i++;
+
+print "not " unless 4 == &one_or_two;
+printf "ok %d\n",$i++;
+
+print "not " unless 3 == &one_or_two(1,2,3);
+printf "ok %d\n",$i++;
+
+print "not " unless 5 == &one_or_two(1,@_);
+printf "ok %d\n",$i++;
+
+eval "one_or_two()";
+print "not " unless $@;
+printf "ok %d\n",$i++;
+
+eval "one_or_two(1,2,3)";
+print "not " unless $@;
+printf "ok %d\n",$i++;
+
+sub one_or_two_a ($;$) {
+    print "# \@_ = (",join(",",@_),")\n";
+    print "not " unless @_ >= 1 && $_[0] == 4;
+    printf "ok %d\n",$i++;
+}
+
+one_or_two_a(@_);
+one_or_two_a(@_,1);
+one_or_two_a(@_,@_);
+
+##
+##
+##
+
+testing \&a_sub, '&';
+
+sub a_sub (&) {
+    print "# \@_ = (",join(",",@_),")\n";
+    &{$_[0]};
+}
+
+sub tmp_sub_1 { printf "ok %d\n",$i++ }
+
+a_sub { printf "ok %d\n",$i++ };
+a_sub \&tmp_sub_1;
+
+@array = ( \&tmp_sub_1 );
+eval 'a_sub @array';
+print "not " unless $@;
+printf "ok %d\n",$i++;
+
+##
+##
+##
+
+testing \&sub_aref, '&\@';
+
+sub sub_aref (&\@) {
+    print "# \@_ = (",join(",",@_),")\n";
+    my($sub,$array) = @_;
+    print "not " unless @_ == 2 && @{$array} == 4;
+    print map { &{$sub}($_) } @{$array}
+}
+
+@array = (qw(O K)," ", $i++);
+sub_aref { lc shift } @array;
+print "\n";
+
+##
+##
+##
+
+testing \&sub_array, '&@';
+
+sub sub_array (&@) {
+    print "# \@_ = (",join(",",@_),")\n";
+    print "not " unless @_ == 5;
+    my $sub = shift;
+    print map { &{$sub}($_) } @_
+}
+
+@array = (qw(O K)," ", $i++);
+sub_array { lc shift } @array;
+print "\n";
+
+##
+##
+##
+
+testing \&a_hash, '%';
+
+sub a_hash (%) {
+    print "# \@_ = (",join(",",@_),")\n";
+    scalar(@_);
+}
+
+print "not " unless 1 == a_hash 'a';
+printf "ok %d\n",$i++;
+
+print "not " unless 2 == a_hash 'a','b';
+printf "ok %d\n",$i++;
+
+##
+##
+##
+
+testing \&a_hash_ref, '\%';
+
+sub a_hash_ref (\%) {
+    print "# \@_ = (",join(",",@_),")\n";
+    print "not " unless ref($_[0]) && $_[0]->{'a'};
+    printf "ok %d\n",$i++;
+    $_[0]->{'b'} = 2;
+}
+
+%hash = ( a => 1);
+a_hash_ref %hash;
+print "not " unless $hash{'b'} == 2;
+printf "ok %d\n",$i++;
+
+##
+##
+##
+
+testing \&array_ref_plus, '\@@';
+
+sub array_ref_plus (\@@) {
+    print "# \@_ = (",join(",",@_),")\n";
+    print "not " unless @_ == 2 && ref($_[0]) && 1 == @{$_[0]} && $_[1] eq 'x';
+    printf "ok %d\n",$i++;
+    @{$_[0]} = (qw(ok)," ",$i++,"\n");
+}
+
+@array = ('a');
+{ 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 $@ !~ /^Cannot 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";