[perl5.git] / t / comp / proto.t

#!./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..125\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 \&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 (&\@) {
    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;
sub_array { lc shift } ('O', 'K', ' ', $i++);
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 $@ !~ /^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";
Commit	Line	Data
28757baa	1	#!./perl
	2	#
	3	# Contributed by Graham Barr <Graham.Barr@tiuk.ti.com>
	4	#
	5	# So far there are tests for the following prototypes.
	6	# none, () ($) ($@) ($%) ($;$) (&) (&\@) (&@) (%) (\%) (\@)
	7	#
	8	# It is impossible to test every prototype that can be specified, but
	9	# we should test as many as we can.
44a8e56a	10	#
	11
	12	BEGIN {
	13	chdir 't' if -d 't';
20822f61	14	@INC = '../lib';
44a8e56a	15	}
28757baa	16
	17	use strict;
	18
6e97e420	19	print "1..125\n";
28757baa	20
	21	my $i = 1;
	22
	23	sub testing (&$) {
	24	my $p = prototype(shift);
	25	my $c = shift;
	26	my $what = defined $c ? '(' . $p . ')' : 'no prototype';
	27	print '#' x 25,"\n";
	28	print '# Testing ',$what,"\n";
	29	print '#' x 25,"\n";
	30	print "not "
	31	if((defined($p) && defined($c) && $p ne $c)
	32	\|\| (defined($p) != defined($c)));
	33	printf "ok %d\n",$i++;
	34	}
	35
	36	@_ = qw(a b c d);
	37	my @array;
	38	my %hash;
	39
	40	##
	41	##
	42	##
	43
	44	testing \&no_proto, undef;
	45
	46	sub no_proto {
	47	print "# \@_ = (",join(",",@_),")\n";
	48	scalar(@_)
	49	}
	50
	51	print "not " unless 0 == no_proto();
	52	printf "ok %d\n",$i++;
	53
	54	print "not " unless 1 == no_proto(5);
	55	printf "ok %d\n",$i++;
	56
	57	print "not " unless 4 == &no_proto;
	58	printf "ok %d\n",$i++;
	59
	60	print "not " unless 1 == no_proto +6;
	61	printf "ok %d\n",$i++;
	62
	63	print "not " unless 4 == no_proto(@_);
	64	printf "ok %d\n",$i++;
	65
	66	##
	67	##
	68	##
	69
	70
	71	testing \&no_args, '';
	72
	73	sub no_args () {
	74	print "# \@_ = (",join(",",@_),")\n";
	75	scalar(@_)
	76	}
	77
	78	print "not " unless 0 == no_args();
	79	printf "ok %d\n",$i++;
	80
	81	print "not " unless 0 == no_args;
	82	printf "ok %d\n",$i++;
	83
84	print "not " unless 5 == no_args +5;
85	printf "ok %d\n",$i++;
86
87	print "not " unless 4 == &no_args;
88	printf "ok %d\n",$i++;
89
90	print "not " unless 2 == &no_args(1,2);
91	printf "ok %d\n",$i++;
92
93	eval "no_args(1)";
94	print "not " unless $@;
95	printf "ok %d\n",$i++;
96
97	##
98	##
99	##
100
101	testing \&one_args, '$';
102
103	sub one_args ($) {
104	print "# \@_ = (",join(",",@_),")\n";
105	scalar(@_)
106	}
107
108	print "not " unless 1 == one_args(1);
109	printf "ok %d\n",$i++;
110
111	print "not " unless 1 == one_args +5;
112	printf "ok %d\n",$i++;
113
114	print "not " unless 4 == &one_args;
115	printf "ok %d\n",$i++;
116
117	print "not " unless 2 == &one_args(1,2);
118	printf "ok %d\n",$i++;
119
120	eval "one_args(1,2)";
121	print "not " unless $@;
122	printf "ok %d\n",$i++;
123
124	eval "one_args()";
125	print "not " unless $@;
126	printf "ok %d\n",$i++;
127
128	sub one_a_args ($) {
129	print "# \@_ = (",join(",",@_),")\n";
130	print "not " unless @_ == 1 && $_[0] == 4;
131	printf "ok %d\n",$i++;
132	}
133
134	one_a_args(@_);
135
136	##
137	##
138	##
139
140	testing \&over_one_args, '$@';
141
142	sub over_one_args ($@) {
143	print "# \@_ = (",join(",",@_),")\n";
144	scalar(@_)
145	}
146
147	print "not " unless 1 == over_one_args(1);
148	printf "ok %d\n",$i++;
149
150	print "not " unless 2 == over_one_args(1,2);
151	printf "ok %d\n",$i++;
152
153	print "not " unless 1 == over_one_args +5;
154	printf "ok %d\n",$i++;
155
156	print "not " unless 4 == &over_one_args;
157	printf "ok %d\n",$i++;
158
159	print "not " unless 2 == &over_one_args(1,2);
160	printf "ok %d\n",$i++;
161
162	print "not " unless 5 == &over_one_args(1,@_);
163	printf "ok %d\n",$i++;
164
165	eval "over_one_args()";
166	print "not " unless $@;
167	printf "ok %d\n",$i++;
168
169	sub over_one_a_args ($@) {
170	print "# \@_ = (",join(",",@_),")\n";
171	print "not " unless @_ >= 1 && $_[0] == 4;
172	printf "ok %d\n",$i++;
173	}
174
175	over_one_a_args(@_);
176	over_one_a_args(@_,1);
177	over_one_a_args(@_,1,2);
178	over_one_a_args(@_,@_);
179
180	##
181	##
182	##
183
184	testing \&scalar_and_hash, '$%';
185
186	sub scalar_and_hash ($%) {
187	print "# \@_ = (",join(",",@_),")\n";
188	scalar(@_)
189	}
190
191	print "not " unless 1 == scalar_and_hash(1);
192	printf "ok %d\n",$i++;
193
194	print "not " unless 3 == scalar_and_hash(1,2,3);
195	printf "ok %d\n",$i++;
196
197	print "not " unless 1 == scalar_and_hash +5;
198	printf "ok %d\n",$i++;
199
200	print "not " unless 4 == &scalar_and_hash;
201	printf "ok %d\n",$i++;
202
203	print "not " unless 2 == &scalar_and_hash(1,2);
204	printf "ok %d\n",$i++;
205
206	print "not " unless 5 == &scalar_and_hash(1,@_);
207	printf "ok %d\n",$i++;
208
209	eval "scalar_and_hash()";
210	print "not " unless $@;
211	printf "ok %d\n",$i++;
212
213	sub scalar_and_hash_a ($@) {
214	print "# \@_ = (",join(",",@_),")\n";
215	print "not " unless @_ >= 1 && $_[0] == 4;
216	printf "ok %d\n",$i++;
217	}
218
219	scalar_and_hash_a(@_);
220	scalar_and_hash_a(@_,1);
221	scalar_and_hash_a(@_,1,2);
222	scalar_and_hash_a(@_,@_);
223
224	##
225	##
226	##
227
228	testing \&one_or_two, '$;$';
229
230	sub one_or_two ($;$) {
231	print "# \@_ = (",join(",",@_),")\n";
232	scalar(@_)
233	}
234
235	print "not " unless 1 == one_or_two(1);
236	printf "ok %d\n",$i++;
237
238	print "not " unless 2 == one_or_two(1,3);
239	printf "ok %d\n",$i++;
240
241	print "not " unless 1 == one_or_two +5;
242	printf "ok %d\n",$i++;
243
244	print "not " unless 4 == &one_or_two;
245	printf "ok %d\n",$i++;
246
247	print "not " unless 3 == &one_or_two(1,2,3);
248	printf "ok %d\n",$i++;
249
250	print "not " unless 5 == &one_or_two(1,@_);
251	printf "ok %d\n",$i++;
252
253	eval "one_or_two()";
254	print "not " unless $@;
255	printf "ok %d\n",$i++;
256
257	eval "one_or_two(1,2,3)";
258	print "not " unless $@;
259	printf "ok %d\n",$i++;
260
261	sub one_or_two_a ($;$) {
262	print "# \@_ = (",join(",",@_),")\n";
263	print "not " unless @_ >= 1 && $_[0] == 4;
264	printf "ok %d\n",$i++;
265	}
266
267	one_or_two_a(@_);
268	one_or_two_a(@_,1);
269	one_or_two_a(@_,@_);
270
271	##
272	##
273	##
274
275	testing \&a_sub, '&';
276
277	sub a_sub (&) {
278	print "# \@_ = (",join(",",@_),")\n";
279	&{$_[0]};
280	}
281
282	sub tmp_sub_1 { printf "ok %d\n",$i++ }
283
284	a_sub { printf "ok %d\n",$i++ };
285	a_sub \&tmp_sub_1;
286
287	@array = ( \&tmp_sub_1 );
288	eval 'a_sub @array';
289	print "not " unless $@;
290	printf "ok %d\n",$i++;
291
292	##
293	##
294	##
295
75fc29ea GS	296	testing \&a_subx, '\&';
	297
	298	sub a_subx (\&) {
	299	print "# \@_ = (",join(",",@_),")\n";
	300	&{$_[0]};
	301	}
	302
	303	sub tmp_sub_2 { printf "ok %d\n",$i++ }
	304	a_subx &tmp_sub_2;
	305
	306	@array = ( \&tmp_sub_2 );
	307	eval 'a_subx @array';
	308	print "not " unless $@;
	309	printf "ok %d\n",$i++;
	310
	311	##
	312	##
	313	##
	314
28757baa	315	testing \&sub_aref, '&\@';
	316
	317	sub sub_aref (&\@) {
	318	print "# \@_ = (",join(",",@_),")\n";
	319	my($sub,$array) = @_;
	320	print "not " unless @_ == 2 && @{$array} == 4;
	321	print map { &{$sub}($_) } @{$array}
	322	}
	323
	324	@array = (qw(O K)," ", $i++);
	325	sub_aref { lc shift } @array;
	326	print "\n";
	327
	328	##
	329	##
	330	##
	331
	332	testing \&sub_array, '&@';
	333
	334	sub sub_array (&@) {
	335	print "# \@_ = (",join(",",@_),")\n";
	336	print "not " unless @_ == 5;
	337	my $sub = shift;
	338	print map { &{$sub}($_) } @_
	339	}
	340
	341	@array = (qw(O K)," ", $i++);
	342	sub_array { lc shift } @array;
36a5d4ba	343	sub_array { lc shift } ('O', 'K', ' ', $i++);
28757baa	344	print "\n";
	345
	346	##
	347	##
	348	##
	349
	350	testing \&a_hash, '%';
	351
	352	sub a_hash (%) {
	353	print "# \@_ = (",join(",",@_),")\n";
	354	scalar(@_);
	355	}
	356
	357	print "not " unless 1 == a_hash 'a';
	358	printf "ok %d\n",$i++;
	359
	360	print "not " unless 2 == a_hash 'a','b';
	361	printf "ok %d\n",$i++;
	362
	363	##
	364	##
	365	##
	366
	367	testing \&a_hash_ref, '\%';
	368
	369	sub a_hash_ref (\%) {
	370	print "# \@_ = (",join(",",@_),")\n";
	371	print "not " unless ref($_[0]) && $_[0]->{'a'};
	372	printf "ok %d\n",$i++;
	373	$_[0]->{'b'} = 2;
	374	}
	375
	376	%hash = ( a => 1);
	377	a_hash_ref %hash;
	378	print "not " unless $hash{'b'} == 2;
	379	printf "ok %d\n",$i++;
	380
	381	##
	382	##
	383	##
	384
69dcf70c	385	testing \&array_ref_plus, '\@@';
28757baa	386
69dcf70c	387	sub array_ref_plus (\@@) {
28757baa	388	print "# \@_ = (",join(",",@_),")\n";
69dcf70c	389	print "not " unless @_ == 2 && ref($_[0]) && 1 == @{$_[0]} && $_[1] eq 'x';
28757baa	390	printf "ok %d\n",$i++;
	391	@{$_[0]} = (qw(ok)," ",$i++,"\n");
	392	}
	393
	394	@array = ('a');
69dcf70c MB	395	{ my @more = ('x');
69dcf70c MB	396	array_ref_plus @array, @more; }
28757baa	397	print "not " unless @array == 4;
28757baa	398	print @array;
fb73857a	399
b6c543e3 IZ	400	my $p;
	401	print "not " if defined prototype('CORE::print');
	402	print "ok ", $i++, "\n";
	403
	404	print "not " if defined prototype('CORE::system');
	405	print "ok ", $i++, "\n";
	406
1c1fc3ea	407	print "# CORE::open => ($p)\nnot " if ($p = prototype('CORE::open')) ne '*;$@';
b6c543e3 IZ	408	print "ok ", $i++, "\n";
	409
	410	print "# CORE:Foo => ($p), \$@ => `$@'\nnot "
ba5aeb3a	411	if defined ($p = eval { prototype('CORE::Foo') or 1 }) or $@ !~ /^Can't find an opnumber/;
b6c543e3 IZ	412	print "ok ", $i++, "\n";
b6c543e3 IZ	413
fb73857a	414	# correctly note too-short parameter lists that don't end with '$',
	415	# a possible regression.
	416
	417	sub foo1 ($\@);
	418	eval q{ foo1 "s" };
	419	print "not " unless $@ =~ /^Not enough/;
	420	print "ok ", $i++, "\n";
	421
	422	sub foo2 ($\%);
	423	eval q{ foo2 "s" };
	424	print "not " unless $@ =~ /^Not enough/;
	425	print "ok ", $i++, "\n";
57ff9a15 IZ	426
	427	sub X::foo3;
	428	*X::foo3 = sub {'ok'};
	429	print "# $@not " unless eval {X->foo3} eq 'ok';
	430	print "ok ", $i++, "\n";
	431
	432	sub X::foo4 ($);
	433	*X::foo4 = sub ($) {'ok'};
	434	print "not " unless X->foo4 eq 'ok';
	435	print "ok ", $i++, "\n";
2ba6ecf4 GS	436
	437	# test if the (*) prototype allows barewords, constants, scalar expressions,
	438	# globs and globrefs (just as CORE::open() does), all under stricture
	439	sub star (*&) { &{$_[1]} }
18228614 GS	440	sub star2 (**&) { &{$_[2]} }
18228614 GS	441	sub BAR { "quux" }
2692f720	442	sub Bar::BAZ { "quuz" }
2ba6ecf4 GS	443	my $star = 'FOO';
2ba6ecf4 GS	444	star FOO, sub { print "ok $i\n" if $_[0] eq 'FOO' }; $i++;
18228614	445	star(FOO, sub { print "ok $i\n" if $_[0] eq 'FOO' }); $i++;
2ba6ecf4	446	star "FOO", sub { print "ok $i\n" if $_[0] eq 'FOO' }; $i++;
18228614	447	star("FOO", sub { print "ok $i\n" if $_[0] eq 'FOO' }); $i++;
2ba6ecf4	448	star $star, sub { print "ok $i\n" if $_[0] eq 'FOO' }; $i++;
18228614	449	star($star, sub { print "ok $i\n" if $_[0] eq 'FOO' }); $i++;
2ba6ecf4	450	star FOO, sub { print "ok $i\n" if $_[0] eq \FOO }; $i++;
18228614	451	star(FOO, sub { print "ok $i\n" if $_[0] eq \FOO }); $i++;
2ba6ecf4	452	star \FOO, sub { print "ok $i\n" if $_[0] eq \FOO }; $i++;
18228614 GS	453	star(\FOO, sub { print "ok $i\n" if $_[0] eq \FOO }); $i++;
	454	star2 FOO, BAR, sub { print "ok $i\n"
	455	if $_[0] eq 'FOO' and $_[1] eq 'BAR' }; $i++;
2692f720 GS	456	star2(Bar::BAZ, FOO, sub { print "ok $i\n"
2692f720 GS	457	if $_[0] eq 'Bar::BAZ' and $_[1] eq 'FOO' }); $i++;
18228614 GS	458	star2 BAR(), FOO, sub { print "ok $i\n"
	459	if $_[0] eq 'quux' and $_[1] eq 'FOO' }; $i++;
	460	star2(FOO, BAR(), sub { print "ok $i\n"
	461	if $_[0] eq 'FOO' and $_[1] eq 'quux' }); $i++;
	462	star2 "FOO", "BAR", sub { print "ok $i\n"
	463	if $_[0] eq 'FOO' and $_[1] eq 'BAR' }; $i++;
	464	star2("FOO", "BAR", sub { print "ok $i\n"
	465	if $_[0] eq 'FOO' and $_[1] eq 'BAR' }); $i++;
	466	star2 $star, $star, sub { print "ok $i\n"
	467	if $_[0] eq 'FOO' and $_[1] eq 'FOO' }; $i++;
	468	star2($star, $star, sub { print "ok $i\n"
	469	if $_[0] eq 'FOO' and $_[1] eq 'FOO' }); $i++;
	470	star2 FOO, BAR, sub { print "ok $i\n"
1c01eb51	471	if $_[0] eq \FOO and $_[1] eq \BAR }; $i++;
18228614	472	star2(FOO, BAR, sub { print "ok $i\n"
1c01eb51	473	if $_[0] eq \FOO and $_[1] eq \BAR }); $i++;
18228614	474	star2 \FOO, \BAR, sub { no strict 'refs'; print "ok $i\n"
1c01eb51	475	if $_[0] eq \{'FOO'} and $_[1] eq \{'BAR'} }; $i++;
18228614	476	star2(\FOO, \BAR, sub { no strict 'refs'; print "ok $i\n"
1c01eb51	477	if $_[0] eq \{'FOO'} and $_[1] eq \{'BAR'} }); $i++;
18228614	478
1c01eb51 GS	479	# test scalarref prototype
	480	sub sreftest (\$$) {
	481	print "ok $_[1]\n" if ref $_[0];
	482	}
	483	{
	484	no strict 'vars';
	485	sreftest my $sref, $i++;
	486	sreftest($helem{$i}, $i++);
	487	sreftest $aelem[0], $i++;
	488	}
c2b35b10 A	489
c2b35b10 A	490	# test prototypes when they are evaled and there is a syntax error
24cc8ef6 AD	491	# Byacc generates the string "syntax error". Bison gives the
24cc8ef6 AD	492	# string "parse error".
5279fd7b	493	#
c2b35b10	494	for my $p ( "", qw{ () ($) ($@) ($%) ($;$) (&) (&\@) (&@) (%) (\%) (\@) } ) {
4f945781	495	no warnings 'prototype';
c2b35b10 A	496	my $eval = "sub evaled_subroutine $p { &void *; }";
c2b35b10 A	497	eval $eval;
24cc8ef6	498	print "# eval[$eval]\nnot " unless $@ && $@ =~ /(parse\|syntax) error/i;
c2b35b10 A	499	print "ok ", $i++, "\n";
c2b35b10 A	500	}
337449a8 JH	501
	502	# Not $$;$;$
	503	print "not " unless prototype "CORE::substr" eq '$$;$$';
	504	print "ok ", $i++, "\n";
6e97e420 SC	505
	506	# recv takes a scalar reference for its second argument
	507	print "not " unless prototype "CORE::recv" eq '*\\$$$';
	508	print "ok ", $i++, "\n";