+#!./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..141\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 "not " unless $_[0] eq 'FOO';
+ print "ok $i - star FOO\n";
+}; $i++;
+star(FOO, sub {
+ print "not " unless $_[0] eq 'FOO';
+ print "ok $i - star(FOO)\n";
+ }); $i++;
+star "FOO", sub {
+ print "not " unless $_[0] eq 'FOO';
+ print qq/ok $i - star "FOO"\n/;
+}; $i++;
+star("FOO", sub {
+ print "not " unless $_[0] eq 'FOO';
+ print qq/ok $i - star("FOO")\n/;
+ }); $i++;
+star $star, sub {
+ print "not " unless $_[0] eq 'FOO';
+ print "ok $i - star \$star\n";
+}; $i++;
+star($star, sub {
+ print "not " unless $_[0] eq 'FOO';
+ print "ok $i - star(\$star)\n";
+ }); $i++;
+star *FOO, sub {
+ print "not " unless $_[0] eq \*FOO;
+ print "ok $i - star *FOO\n";
+}; $i++;
+star(*FOO, sub {
+ print "not " unless $_[0] eq \*FOO;
+ print "ok $i - star(*FOO)\n";
+ }); $i++;
+star \*FOO, sub {
+ print "not " unless $_[0] eq \*FOO;
+ print "ok $i - star \\*FOO\n";
+}; $i++;
+star(\*FOO, sub {
+ print "not " unless $_[0] eq \*FOO;
+ print "ok $i - star(\\*FOO)\n";
+ }); $i++;
+star2 FOO, BAR, sub {
+ print "not " unless $_[0] eq 'FOO' and $_[1] eq 'BAR';
+ print "ok $i - star2 FOO, BAR\n";
+}; $i++;
+star2(Bar::BAZ, FOO, sub {
+ print "not " unless $_[0] eq 'Bar::BAZ' and $_[1] eq 'FOO';
+ print "ok $i - star2(Bar::BAZ, FOO)\n"
+ }); $i++;
+star2 BAR(), FOO, sub {
+ print "not " unless $_[0] eq 'quux' and $_[1] eq 'FOO';
+ print "ok $i - star2 BAR(), FOO\n"
+}; $i++;
+star2(FOO, BAR(), sub {
+ print "not " unless $_[0] eq 'FOO' and $_[1] eq 'quux';
+ print "ok $i - star2(FOO, BAR())\n";
+ }); $i++;
+star2 "FOO", "BAR", sub {
+ print "not " unless $_[0] eq 'FOO' and $_[1] eq 'BAR';
+ print qq/ok $i - star2 "FOO", "BAR"\n/;
+}; $i++;
+star2("FOO", "BAR", sub {
+ print "not " unless $_[0] eq 'FOO' and $_[1] eq 'BAR';
+ print qq/ok $i - star2("FOO", "BAR")\n/;
+ }); $i++;
+star2 $star, $star, sub {
+ print "not " unless $_[0] eq 'FOO' and $_[1] eq 'FOO';
+ print "ok $i - star2 \$star, \$star\n";
+}; $i++;
+star2($star, $star, sub {
+ print "not " unless $_[0] eq 'FOO' and $_[1] eq 'FOO';
+ print "ok $i - star2(\$star, \$star)\n";
+ }); $i++;
+star2 *FOO, *BAR, sub {
+ print "not " unless $_[0] eq \*FOO and $_[1] eq \*BAR;
+ print "ok $i - star2 *FOO, *BAR\n";
+}; $i++;
+star2(*FOO, *BAR, sub {
+ print "not " unless $_[0] eq \*FOO and $_[1] eq \*BAR;
+ print "ok $i - star2(*FOO, *BAR)\n";
+ }); $i++;
+star2 \*FOO, \*BAR, sub {
+ no strict 'refs';
+ print "not " unless $_[0] eq \*{'FOO'} and $_[1] eq \*{'BAR'};
+ print "ok $i - star2 \*FOO, \*BAR\n";
+}; $i++;
+star2(\*FOO, \*BAR, sub {
+ no strict 'refs';
+ print "not " unless $_[0] eq \*{'FOO'} and $_[1] eq \*{'BAR'};
+ print "ok $i - star2(\*FOO, \*BAR)\n";
+ }); $i++;
+
+# test scalarref prototype
+sub sreftest (\$$) {
+ print "not " unless ref $_[0];
+ print "ok $_[1] - sreftest\n";
+}
+{
+ 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";
+
+{
+ my $myvar;
+ my @myarray;
+ my %myhash;
+ sub mysub { print "not calling mysub I hope\n" }
+ local *myglob;
+
+ sub myref (\[$@%&*]) { print "# $_[0]\n"; return "$_[0]" }
+
+ print "not " unless myref($myvar) =~ /^SCALAR\(/;
+ print "ok ", $i++, "\n";
+ print "not " unless myref(@myarray) =~ /^ARRAY\(/;
+ print "ok ", $i++, "\n";
+ print "not " unless myref(%myhash) =~ /^HASH\(/;
+ print "ok ", $i++, "\n";
+ print "not " unless myref(&mysub) =~ /^CODE\(/;
+ print "ok ", $i++, "\n";
+ print "not " unless myref(*myglob) =~ /^GLOB\(/;
+ print "ok ", $i++, "\n";
+
+ eval q/sub multi1 (\[%@]) { 1 } multi1 $myvar;/;
+ print "not " unless $@ =~ /Type of arg 1 to main::multi1 must be one of/;
+ print "ok ", $i++, "\n";
+ eval q/sub multi2 (\[$*&]) { 1 } multi2 @myarray;/;
+ print "not " unless $@ =~ /Type of arg 1 to main::multi2 must be one of/;
+ print "ok ", $i++, "\n";
+ eval q/sub multi3 (\[$@]) { 1 } multi3 %myhash;/;
+ print "not " unless $@ =~ /Type of arg 1 to main::multi3 must be one of/;
+ print "ok ", $i++, "\n";
+ eval q/sub multi4 ($\[%]) { 1 } multi4 1, &mysub;/;
+ print "not " unless $@ =~ /Type of arg 2 to main::multi4 must be one of/;
+ print "ok ", $i++, "\n";
+ eval q/sub multi5 (\[$@]$) { 1 } multi5 *myglob;/;
+ print "not " unless $@ =~ /Type of arg 1 to main::multi5 must be one of/
+ && $@ =~ /Not enough arguments/;
+ print "ok ", $i++, "\n";
+}
+
+# check that obviously bad prototypes are getting warnings
+{
+ use warnings 'syntax';
+ my $warn = "";
+ local $SIG{__WARN__} = sub { $warn .= join("",@_) };
+
+ eval 'sub badproto (@bar) { 1; }';
+ print "not " unless $warn =~ /Illegal character in prototype for main::badproto : \@bar/;
+ print "ok ", $i++, "\n";
+
+ eval 'sub badproto2 (bar) { 1; }';
+ print "not " unless $warn =~ /Illegal character in prototype for main::badproto2 : bar/;
+ print "ok ", $i++, "\n";
+
+ eval 'sub badproto3 (&$bar$@) { 1; }';
+ print "not " unless $warn =~ /Illegal character in prototype for main::badproto3 : &\$bar\$\@/;
+ print "ok ", $i++, "\n";
+
+ eval 'sub badproto4 (@ $b ar) { 1; }';
+ print "not " unless $warn =~ /Illegal character in prototype for main::badproto4 : \@\$bar/;
+ print "ok ", $i++, "\n";
+}
+
+# make sure whitespace in prototypes works
+eval "sub good (\$\t\$\n\$) { 1; }";
+print "not " if $@;
+print "ok ", $i++, "\n";
+
+# Ought to fail, doesn't in 5.8.1.
+eval 'sub bug (\[%@]) { } my $array = [0 .. 1]; bug %$array;';
+print "not " unless $@ =~ /Not a HASH reference/;
+print "ok ", $i++, "\n";
projects / p5sagit/p5-mst-13.2.git / blobdiff