/
coreamp.t
1120 lines (969 loc) · 31.7 KB
/
coreamp.t
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#!./perl
# This file tests the results of calling subroutines in the CORE::
# namespace with ampersand syntax. In other words, it tests the bodies of
# the subroutines themselves, not the ops that they might inline themselves
# as when called as barewords.
# Other tests for CORE subs are in coresubs.t
BEGIN {
chdir 't' if -d 't';
@INC = qw(. ../lib ../dist/if);
require "./test.pl"; require './charset_tools.pl';
$^P |= 0x100;
}
no warnings 'experimental::smartmatch';
sub lis($$;$) {
&is(map(@$_ ? "[@{[map $_//'~~u~~', @$_]}]" : 'nought', @_[0,1]), $_[2]);
}
package hov {
use overload '%{}' => sub { +{} }
}
package sov {
use overload '${}' => sub { \my $x }
}
my %op_desc = (
evalbytes=> 'eval "string"',
join => 'join or string',
pos => 'match position',
prototype=> 'subroutine prototype',
readline => '<HANDLE>',
readpipe => 'quoted execution (``, qx)',
reset => 'symbol reset',
ref => 'reference-type operator',
undef => 'undef operator',
);
sub op_desc($) {
return $op_desc{$_[0]} || $_[0];
}
# This tests that the &{} syntax respects the number of arguments implied
# by the prototype, plus some extra tests for the (_) prototype.
sub test_proto {
my($o) = shift;
# Create an alias, for the caller’s convenience.
*{"my$o"} = \&{"CORE::$o"};
my $p = prototype "CORE::$o";
$p = '$;$' if $p eq '$_';
if ($p eq '') {
$tests ++;
eval " &CORE::$o(1) ";
like $@, qr/^Too many arguments for $o at /, "&$o with too many args";
}
elsif ($p =~ /^_;?\z/) {
$tests ++;
eval " &CORE::$o(1,2) ";
my $desc = quotemeta op_desc($o);
like $@, qr/^Too many arguments for $desc at /,
"&$o with too many args";
if (!@_) { return }
$tests += 3;
my($in,$out) = @_; # for testing implied $_
# Since we have $in and $out values, we might as well test basic amper-
# sand calls, too.
is &{"CORE::$o"}($in), $out, "&$o";
lis [&{"CORE::$o"}($in)], [$out], "&$o in list context";
$_ = $in;
is &{"CORE::$o"}(), $out, "&$o with no args";
}
elsif ($p =~ '^;([$*]+)\z') { # ;$ ;* ;$$ etc.
my $maxargs = length $1;
$tests += 1;
eval " &CORE::$o((1)x($maxargs+1)) ";
my $desc = quotemeta op_desc($o);
like $@, qr/^Too many arguments for $desc at /,
"&$o with too many args";
}
elsif ($p =~ '^([$*]+);?\z') { # Fixed-length $$$ or ***
my $args = length $1;
$tests += 2;
my $desc = quotemeta op_desc($o);
eval " &CORE::$o((1)x($args-1)) ";
like $@, qr/^Not enough arguments for $desc at /, "&$o w/too few args";
eval " &CORE::$o((1)x($args+1)) ";
like $@, qr/^Too many arguments for $desc at /, "&$o w/too many args";
}
elsif ($p =~ '^([$*]+);([$*]+)\z') { # Variable-length $$$ or ***
my $minargs = length $1;
my $maxargs = $minargs + length $2;
$tests += 2;
eval " &CORE::$o((1)x($minargs-1)) ";
like $@, qr/^Not enough arguments for $o at /, "&$o with too few args";
eval " &CORE::$o((1)x($maxargs+1)) ";
like $@, qr/^Too many arguments for $o at /, "&$o with too many args";
}
elsif ($p eq '_;$') {
$tests += 1;
eval " &CORE::$o(1,2,3) ";
like $@, qr/^Too many arguments for $o at /, "&$o with too many args";
}
elsif ($p eq '@') {
# Do nothing, as we cannot test for too few or too many arguments.
}
elsif ($p =~ '^[$*;]+@\z') {
$tests ++;
$p =~ ';@';
my $minargs = $-[0];
eval " &CORE::$o((1)x($minargs-1)) ";
my $desc = quotemeta op_desc($o);
like $@, qr/^Not enough arguments for $desc at /,
"&$o with too few args";
}
elsif ($p =~ /^\*\\\$\$(;?)\$\z/) { # *\$$$ and *\$$;$
$tests += 5;
eval "&CORE::$o(1,1,1,1,1)";
like $@, qr/^Too many arguments for $o at /,
"&$o with too many args";
eval " &CORE::$o((1)x(\$1?2:3)) ";
like $@, qr/^Not enough arguments for $o at /,
"&$o with too few args";
eval " &CORE::$o(1,[],1,1) ";
like $@, qr/^Type of arg 2 to &CORE::$o must be scalar reference at /,
"&$o with array ref arg";
eval " &CORE::$o(1,1,1,1) ";
like $@, qr/^Type of arg 2 to &CORE::$o must be scalar reference at /,
"&$o with scalar arg";
eval " &CORE::$o(1,bless([], 'sov'),1,1) ";
like $@, qr/^Type of arg 2 to &CORE::$o must be scalar reference at /,
"&$o with non-scalar arg w/scalar overload (which does not count)";
}
elsif ($p =~ /^\\%\$*\z/) { # \% and \%$$
$tests += 5;
eval "&CORE::$o(" . join(",", (1) x length $p) . ")";
like $@, qr/^Too many arguments for $o at /,
"&$o with too many args";
eval " &CORE::$o(" . join(",", (1) x (length($p)-2)) . ") ";
like $@, qr/^Not enough arguments for $o at /,
"&$o with too few args";
my $moreargs = ",1" x (length($p) - 2);
eval " &CORE::$o([]$moreargs) ";
like $@, qr/^Type of arg 1 to &CORE::$o must be hash reference at /,
"&$o with array ref arg";
eval " &CORE::$o(*foo$moreargs) ";
like $@, qr/^Type of arg 1 to &CORE::$o must be hash reference at /,
"&$o with typeglob arg";
eval " &CORE::$o(bless([], 'hov')$moreargs) ";
like $@, qr/^Type of arg 1 to &CORE::$o must be hash reference at /,
"&$o with non-hash arg with hash overload (which does not count)";
}
elsif ($p =~ /^(;)?\\\[(\$\@%&?\*)](\$\@)?\z/) {
$tests += 3;
unless ($3) {
$tests ++;
eval " &CORE::$o(1,2) ";
like $@, qr/^Too many arguments for ${\op_desc($o)} at /,
"&$o with too many args";
}
unless ($1) {
$tests ++;
eval { &{"CORE::$o"}($3 ? 1 : ()) };
like $@, qr/^Not enough arguments for $o at /,
"&$o with too few args";
}
my $more_args = $3 ? ',1' : '';
eval " &CORE::$o(2$more_args) ";
like $@, qr/^Type of arg 1 to &CORE::$o must be reference to one of(?x:
) \[\Q$2\E] at /,
"&$o with non-ref arg";
eval " &CORE::$o(*STDOUT{IO}$more_args) ";
like $@, qr/^Type of arg 1 to &CORE::$o must be reference to one of(?x:
) \[\Q$2\E] at /,
"&$o with ioref arg";
my $class = ref *DATA{IO};
eval " &CORE::$o(bless(*DATA{IO}, 'hov')$more_args) ";
like $@, qr/^Type of arg 1 to &CORE::$o must be reference to one of(?x:
) \[\Q$2\E] at /,
"&$o with ioref arg with hash overload (which does not count)";
bless *DATA{IO}, $class;
if (do {$2 !~ /&/}) {
$tests++;
eval " &CORE::$o(\\&scriggle$more_args) ";
like $@, qr/^Type of arg 1 to &CORE::$o must be reference to one (?x:
)of \[\Q$2\E] at /,
"&$o with coderef arg";
}
}
elsif ($p eq '\[%@]') {
$tests += 7;
eval " &CORE::$o(\\%1,2) ";
like $@, qr/^Too many arguments for ${\op_desc($o)} at /,
"&$o with too many args";
eval { &{"CORE::$o"}() };
like $@, qr/^Not enough arguments for $o at /,
"&$o with too few args";
eval " &CORE::$o(2) ";
like $@, qr/^Type of arg 1 to &CORE::$o must be hash or array (?x:
)reference at /,
"&$o with non-ref arg";
eval " &CORE::$o(*STDOUT{IO}) ";
like $@, qr/^Type of arg 1 to &CORE::$o must be hash or array (?x:
)reference at /,
"&$o with ioref arg";
my $class = ref *DATA{IO};
eval " &CORE::$o(bless(*DATA{IO}, 'hov')) ";
like $@, qr/^Type of arg 1 to &CORE::$o must be hash or array (?x:
)reference at /,
"&$o with ioref arg with hash overload (which does not count)";
bless *DATA{IO}, $class;
eval " &CORE::$o(\\&scriggle) ";
like $@, qr/^Type of arg 1 to &CORE::$o must be hash or array (?x:
)reference at /,
"&$o with coderef arg";
eval " &CORE::$o(\\\$_) ";
like $@, qr/^Type of arg 1 to &CORE::$o must be hash or array (?x:
)reference at /,
"&$o with scalarref arg";
}
elsif ($p eq ';\[$*]') {
$tests += 4;
my $desc = quotemeta op_desc($o);
eval " &CORE::$o(1,2) ";
like $@, qr/^Too many arguments for $desc at /,
"&$o with too many args";
eval " &CORE::$o([]) ";
like $@, qr/^Type of arg 1 to &CORE::$o must be scalar reference at /,
"&$o with array ref arg";
eval " &CORE::$o(1) ";
like $@, qr/^Type of arg 1 to &CORE::$o must be scalar reference at /,
"&$o with scalar arg";
eval " &CORE::$o(bless([], 'sov')) ";
like $@, qr/^Type of arg 1 to &CORE::$o must be scalar reference at /,
"&$o with non-scalar arg w/scalar overload (which does not count)";
}
else {
die "Please add tests for the $p prototype";
}
}
# Test that &CORE::foo calls without parentheses (no new @_) can handle the
# total absence of any @_ without crashing.
undef *_;
&CORE::wantarray;
$tests++;
pass('no crash with &CORE::foo when *_{ARRAY} is undef');
test_proto '__FILE__';
test_proto '__LINE__';
test_proto '__PACKAGE__';
test_proto '__SUB__';
is file(), 'frob' , '__FILE__ does check its caller' ; ++ $tests;
is line(), 5 , '__LINE__ does check its caller' ; ++ $tests;
is pakg(), 'stribble', '__PACKAGE__ does check its caller'; ++ $tests;
sub __SUB__test { &my__SUB__ }
is __SUB__test, \&__SUB__test, '&__SUB__'; ++ $tests;
test_proto 'abs', -5, 5;
SKIP:
{
if ($^O eq "MSWin32" && is_miniperl) {
$tests += 8;
skip "accept() not available in Win32 miniperl", 8
}
$tests += 6;
test_proto 'accept';
eval q{
is &CORE::accept(qw{foo bar}), undef, "&accept";
lis [&{"CORE::accept"}(qw{foo bar})], [undef], "&accept in list context";
&myaccept(my $foo, my $bar);
is ref $foo, 'GLOB', 'CORE::accept autovivifies its first argument';
is $bar, undef, 'CORE::accept does not autovivify its second argument';
use strict;
undef $foo;
eval { 'myaccept'->($foo, $bar) };
like $@, qr/^Can't use an undefined value as a symbol reference at/,
'CORE::accept will not accept undef 2nd arg under strict';
is ref $foo, 'GLOB', 'CORE::accept autovivs its first arg under strict';
};
}
test_proto 'alarm';
test_proto 'atan2';
test_proto 'bind';
$tests += 3;
SKIP:
{
skip "bind() not available in Win32 miniperl", 3
if $^O eq "MSWin32" && is_miniperl();
is &CORE::bind('foo', 'bear'), undef, "&bind";
lis [&CORE::bind('foo', 'bear')], [undef], "&bind in list context";
eval { &mybind(my $foo, "bear") };
like $@, qr/^Bad symbol for filehandle at/,
'CORE::bind dies with undef first arg';
}
test_proto 'binmode';
$tests += 3;
is &CORE::binmode(qw[foo bar]), undef, "&binmode";
lis [&CORE::binmode(qw[foo bar])], [undef], "&binmode in list context";
is &mybinmode(foo), undef, '&binmode with one arg';
test_proto 'bless';
$tests += 3;
like &CORE::bless([],'parcel'), qr/^parcel=ARRAY/, "&bless";
like join(" ", &CORE::bless([],'parcel')),
qr/^parcel=ARRAY(?!.* )/, "&bless in list context";
like &mybless([]), qr/^main=ARRAY/, '&bless with one arg';
test_proto 'break';
{ $tests ++;
my $tmp;
CORE::given(1) {
CORE::when(1) {
&mybreak;
$tmp = 'bad';
}
}
is $tmp, undef, '&break';
}
test_proto 'caller';
$tests += 4;
sub caller_test {
is scalar &CORE::caller, 'hadhad', '&caller';
is scalar &CORE::caller(1), 'main', '&caller(1)';
lis [&CORE::caller], [caller], '&caller in list context';
# The last element of caller in list context is a hint hash, which
# may be a different hash for caller vs &CORE::caller, so an eq com-
# parison (which lis() uses for convenience) won’t work. So just
# pop the last element, since the rest are sufficient to prove that
# &CORE::caller works.
my @ampcaller = &CORE::caller(1);
my @caller = caller(1);
pop @ampcaller; pop @caller;
lis \@ampcaller, \@caller, '&caller(1) in list context';
}
sub {
package hadhad;
::caller_test();
}->();
test_proto 'chmod';
$tests += 3;
is &CORE::chmod(), 0, '&chmod with no args';
is &CORE::chmod(0666), 0, '&chmod';
lis [&CORE::chmod(0666)], [0], '&chmod in list context';
test_proto 'chown';
$tests += 4;
is &CORE::chown(), 0, '&chown with no args';
is &CORE::chown(1), 0, '&chown with 1 arg';
is &CORE::chown(1,2), 0, '&chown';
lis [&CORE::chown(1,2)], [0], '&chown in list context';
test_proto 'chr', 5, "\5";
test_proto 'chroot';
test_proto 'close';
{
last if is_miniperl;
$tests += 3;
open my $fh, ">", \my $buffalo;
print $fh 'an address in the outskirts of Jersey';
ok &CORE::close($fh), '&CORE::close retval';
print $fh 'lalala';
is $buffalo, 'an address in the outskirts of Jersey',
'effect of &CORE::close';
# This has to be a separate variable from $fh, as re-using the same
# variable can cause the tests to pass by accident. That actually hap-
# pened during developement, because the second close() was reading
# beyond the end of the stack and finding a $fh left over from before.
open my $fh2, ">", \($buffalo = '');
select+(select($fh2), do {
print "Nasusiro Tokasoni";
&CORE::close();
print "jfd";
is $buffalo, "Nasusiro Tokasoni", '&CORE::close with no args';
})[0];
}
lis [&CORE::close('tototootot')], [''], '&close in list context'; ++$tests;
test_proto 'closedir';
$tests += 2;
is &CORE::closedir(foo), undef, '&CORE::closedir';
lis [&CORE::closedir(foo)], [undef], '&CORE::closedir in list context';
test_proto 'connect';
$tests += 2;
SKIP:
{
skip "connect() not available in Win32 miniperl", 2
if $^O eq "MSWin32" && is_miniperl();
is &CORE::connect('foo','bar'), undef, '&connect';
lis [&myconnect('foo','bar')], [undef], '&connect in list context';
}
test_proto 'continue';
$tests ++;
CORE::given(1) {
CORE::when(1) {
&mycontinue();
}
pass "&continue";
}
test_proto 'cos';
test_proto 'crypt';
test_proto 'dbmclose';
test_proto 'dbmopen';
{
last unless eval { require AnyDBM_File };
$tests ++;
my $filename = tempfile();
&mydbmopen(\my %db, $filename, 0666);
$db{1} = 2; $db{3} = 4;
&mydbmclose(\%db);
is scalar keys %db, 0, '&dbmopen and &dbmclose';
my $Dfile = "$filename.pag";
if (! -e $Dfile) {
($Dfile) = <$filename*>;
}
if ($^O eq 'VMS') {
unlink "$filename.sdbm_dir", $Dfile;
} else {
unlink "$filename.dir", $Dfile;
}
}
test_proto 'die';
eval { dier('quinquangle') };
is $@, "quinquangle at frob line 6.\n", '&CORE::die'; $tests ++;
test_proto $_ for qw(
endgrent endhostent endnetent endprotoent endpwent endservent
);
test_proto 'evalbytes';
$tests += 4;
{
my $U_100_bytes = byte_utf8a_to_utf8n("\xc4\x80");
chop(my $upgraded = "use utf8; $U_100_bytes" . chr 256);
is &myevalbytes($upgraded), chr 256, '&evalbytes';
# Test hints
require strict;
strict->import;
&myevalbytes('
is someone, "someone", "run-time hint bits do not leak into &evalbytes"
');
use strict;
BEGIN { $^H{coreamp} = 42 }
$^H{coreamp} = 75;
&myevalbytes('
BEGIN {
is $^H{coreamp}, 42, "compile-time hh propagates into &evalbytes";
}
${"frobnicate"}
');
like $@, qr/strict/, 'compile-time hint bits propagate into &evalbytes';
}
test_proto 'exit';
$tests ++;
is runperl(prog => '&CORE::exit; END { print qq-ok\n- }'), "ok\n",
'&exit with no args';
test_proto 'fork';
test_proto 'formline';
$tests += 3;
is &myformline(' @<<< @>>>', 1, 2), 1, '&myformline retval';
is $^A, ' 1 2', 'effect of &myformline';
lis [&myformline('@')], [1], '&myformline in list context';
test_proto 'each';
$tests += 4;
is &myeach({ "a","b" }), "a", '&myeach(\%hash) in scalar cx';
lis [&myeach({qw<a b>})], [qw<a b>], '&myeach(\%hash) in list cx';
is &myeach([ "a","b" ]), 0, '&myeach(\@array) in scalar cx';
lis [&myeach([qw<a b>])], [qw<0 a>], '&myeach(\@array) in list cx';
test_proto 'exp';
test_proto 'fc';
$tests += 2;
{
my $sharp_s = uni_to_native("\xdf");
is &myfc($sharp_s), $sharp_s, '&fc, no unicode_strings';
use feature 'unicode_strings';
is &myfc($sharp_s), "ss", '&fc, unicode_strings';
}
test_proto 'fcntl';
test_proto 'fileno';
$tests += 2;
is &CORE::fileno(\*STDIN), fileno STDIN, '&CORE::fileno';
lis [&CORE::fileno(\*STDIN)], [fileno STDIN], '&CORE::fileno in list cx';
test_proto 'flock';
test_proto 'fork';
test_proto 'getc';
{
last if is_miniperl;
$tests += 3;
local *STDIN;
open my $fh, "<", \(my $buf='falo');
open STDIN, "<", \(my $buf2 = 'bison');
is &mygetc($fh), 'f', '&mygetc';
is &mygetc(), 'b', '&mygetc with no args';
lis [&mygetc($fh)], ['a'], '&mygetc in list context';
}
test_proto "get$_" for qw '
grent grgid grnam hostbyaddr hostbyname hostent login netbyaddr netbyname
netent peername
';
test_proto 'getpgrp';
eval {&mygetpgrp()};
pass '&getpgrp with no args does not crash'; $tests++;
test_proto "get$_" for qw '
ppid priority protobyname protobynumber protoent
pwent pwnam pwuid servbyname servbyport servent sockname sockopt
';
# Make sure the following tests test what we think they are testing.
ok ! $CORE::{glob}, '*CORE::glob not autovivified yet'; $tests ++;
{
# Make sure ck_glob does not respect the override when &CORE::glob is
# autovivified (by test_proto).
local *CORE::GLOBAL::glob = sub {};
test_proto 'glob';
}
$_ = "t/*.t";
@_ = &myglob($_);
is join($", &myglob()), "@_", '&glob without arguments';
is join($", &myglob("t/*.t")), "@_", '&glob with an arg';
$tests += 2;
test_proto 'gmtime';
&CORE::gmtime;
pass '&gmtime without args does not crash'; ++$tests;
test_proto 'hex', ff=>255;
test_proto 'index';
$tests += 3;
is &myindex("foffooo","o",2),4,'&index';
lis [&myindex("foffooo","o",2)],[4],'&index in list context';
is &myindex("foffooo","o"),1,'&index with 2 args';
test_proto 'int', 1.5=>1;
test_proto 'ioctl';
test_proto 'join';
$tests += 2;
is &myjoin('a','b','c'), 'bac', '&join';
lis [&myjoin('a','b','c')], ['bac'], '&join in list context';
test_proto 'keys';
$tests += 4;
is &mykeys({ 1..4 }), 2, '&mykeys(\%hash) in scalar cx';
lis [sort &mykeys({1..4})], [1,3], '&mykeys(\%hash) in list cx';
is &mykeys([ 1..4 ]), 4, '&mykeys(\@array) in scalar cx';
lis [&mykeys([ 1..4 ])], [0..3], '&mykeys(\@array) in list cx';
test_proto 'kill'; # set up mykill alias
if ($^O ne 'riscos') {
$tests ++;
ok( &mykill(0, $$), '&kill' );
}
test_proto 'lc', 'A', 'a';
test_proto 'lcfirst', 'AA', 'aA';
test_proto 'length', 'aaa', 3;
test_proto 'link';
test_proto 'listen';
test_proto 'localtime';
&CORE::localtime;
pass '&localtime without args does not crash'; ++$tests;
test_proto 'lock';
$tests += 6;
is \&mylock(\$foo), \$foo, '&lock retval when passed a scalar ref';
lis [\&mylock(\$foo)], [\$foo], '&lock in list context';
is &mylock(\@foo), \@foo, '&lock retval when passed an array ref';
is &mylock(\%foo), \%foo, '&lock retval when passed a ash ref';
is &mylock(\&foo), \&foo, '&lock retval when passed a code ref';
is \&mylock(\*foo), \*foo, '&lock retval when passed a glob ref';
test_proto 'log';
test_proto 'mkdir';
# mkdir is tested with implicit $_ at the end, to make the test easier
test_proto "msg$_" for qw( ctl get rcv snd );
test_proto 'not';
$tests += 2;
is &mynot(1), !1, '¬';
lis [&mynot(0)], [!0], '¬ in list context';
test_proto 'oct', '666', 438;
test_proto 'open';
$tests += 5;
$file = 'test.pl';
ok &myopen('file'), '&open with 1 arg' or warn "1-arg open: $!";
like <file>, qr|^#|, 'result of &open with 1 arg';
close file;
{
ok &myopen(my $fh, "test.pl"), 'two-arg &open';
ok $fh, '&open autovivifies';
like <$fh>, qr '^#', 'result of &open with 2 args';
last if is_miniperl;
$tests +=2;
ok &myopen(my $fh2, "<", \"sharummbles"), 'retval of 3-arg &open';
is <$fh2>, 'sharummbles', 'result of three-arg &open';
}
test_proto 'opendir';
test_proto 'ord', chr(utf8::unicode_to_native(64)), utf8::unicode_to_native(64);
test_proto 'pack';
$tests += 2;
my $Perl_as_a_hex_string = join "", map
{ sprintf("%2X", utf8::unicode_to_native($_)) }
0x50, 0x65, 0x72, 0x6c;
is &mypack("H*", $Perl_as_a_hex_string), 'Perl', '&pack';
lis [&mypack("H*", $Perl_as_a_hex_string)], ['Perl'], '&pack in list context';
test_proto 'pipe';
test_proto 'pos';
$tests += 4;
$_ = "hello";
pos = 3;
is &mypos, 3, 'reading &pos without args';
&mypos = 4;
is pos, 4, 'writing to &pos without args';
{
my $x = "gubai";
pos $x = 3;
is &mypos(\$x), 3, 'reading &pos without args';
&mypos(\$x) = 4;
is pos $x, 4, 'writing to &pos without args';
}
test_proto 'prototype';
$tests++;
is &myprototype(\&myprototype), prototype("CORE::prototype"), '&prototype';
test_proto 'quotemeta', '$', '\$';
test_proto 'rand';
$tests += 3;
my $r = &CORE::rand;
ok eval {
use warnings FATAL => qw{numeric uninitialized};
$r >= 0 && $r < 1;
}, '&rand returns a valid number';
unlike join(" ", &CORE::rand), qr/ /, '&rand in list context';
&cmp_ok(&CORE::rand(78), qw '< 78', '&rand with 1 arg');
test_proto 'read';
{
last if is_miniperl;
$tests += 5;
open my $fh, "<", \(my $buff = 'morays have their mores');
ok &myread($fh, \my $input, 6), '&read with 3 args';
is $input, 'morays', 'value read by 3-arg &read';
ok &myread($fh, \$input, 6, 6), '&read with 4 args';
is $input, 'morays have ', 'value read by 4-arg &read';
is +()=&myread($fh, \$input, 6), 1, '&read in list context';
}
test_proto 'readdir';
test_proto 'readline';
{
local *ARGV = *DATA;
$tests ++;
is scalar &myreadline,
"I wandered lonely as a cloud\n", '&readline w/no args';
}
{
last if is_miniperl;
$tests += 2;
open my $fh, "<", \(my $buff = <<END);
The Recursive Problem
---------------------
I have a problem I cannot solve.
The problem is that I cannot solve it.
END
is &myreadline($fh), "The Recursive Problem\n",
'&readline with 1 arg';
lis [&myreadline($fh)], [
"---------------------\n",
"I have a problem I cannot solve.\n",
"The problem is that I cannot solve it.\n",
], '&readline in list context';
}
test_proto 'readlink';
test_proto 'readpipe';
test_proto 'recv';
use if !is_miniperl, File::Spec::Functions, qw "catfile";
use if !is_miniperl, File::Temp, 'tempdir';
test_proto 'rename';
{
last if is_miniperl;
$tests ++;
my $dir = tempdir(uc cleanup => 1);
my $tmpfilenam = catfile $dir, 'aaa';
open my $fh, ">", $tmpfilenam or die "cannot open $tmpfilenam: $!";
close $fh or die "cannot close $tmpfilenam: $!";
&myrename("$tmpfilenam", $tmpfilenam = catfile $dir,'bbb');
ok open(my $fh, '>', $tmpfilenam), '&rename';
}
test_proto 'ref', [], 'ARRAY';
test_proto 'reset';
$tests += 2;
my $oncer = sub { "a" =~ m?a? };
&$oncer;
&myreset;
ok &$oncer, '&reset with no args';
package resettest {
$b = "c";
$banana = "cream";
&::myreset('b');
::lis [$b,$banana],[(undef)x2], '1-arg &reset';
}
test_proto 'reverse';
$tests += 2;
is &myreverse('reward'), 'drawer', '&reverse';
lis [&myreverse(qw 'dog bites man')], [qw 'man bites dog'],
'&reverse in list context';
test_proto 'rewinddir';
test_proto 'rindex';
$tests += 3;
is &myrindex("foffooo","o",2),1,'&rindex';
lis [&myrindex("foffooo","o",2)],[1],'&rindex in list context';
is &myrindex("foffooo","o"),6,'&rindex with 2 args';
test_proto 'rmdir';
test_proto 'scalar';
$tests += 2;
is &myscalar(3), 3, '&scalar';
lis [&myscalar(3)], [3], '&scalar in list cx';
test_proto 'seek';
{
last if is_miniperl;
$tests += 1;
open my $fh, "<", \"misled" or die $!;
&myseek($fh, 2, 0);
is <$fh>, 'sled', '&seek in action';
}
test_proto 'seekdir';
# Can’t test_proto, as it has none
$tests += 8;
*myselect = \&CORE::select;
is defined prototype &myselect, defined prototype "CORE::select",
'prototype of &select (or lack thereof)';
is &myselect, select, '&select with no args';
{
my $prev = select;
is &myselect(my $fh), $prev, '&select($arg) retval';
is lc ref $fh, 'glob', '&select autovivifies';
is select=~s/\*//rug, (*$fh."")=~s/\*//rug, '&select selects';
select $prev;
}
eval { &myselect(1,2) };
like $@, qr/^Not enough arguments for select system call at /,
,'&myselect($two,$args)';
eval { &myselect(1,2,3) };
like $@, qr/^Not enough arguments for select system call at /,
,'&myselect($with,$three,$args)';
eval { &myselect(1,2,3,4,5) };
like $@, qr/^Too many arguments for select system call at /,
,'&myselect($a,$total,$of,$five,$args)';
unless ($^O eq "MSWin32" && is_miniperl) {
&myselect((undef)x3,.25);
# Just have to assume that worked. :-) If we get here, at least it didn’t
# crash or anything.
# select() is unimplemented in Win32 miniperl
}
test_proto "sem$_" for qw "ctl get op";
test_proto 'send';
test_proto "set$_" for qw '
grent hostent netent
';
test_proto 'setpgrp';
$tests +=2;
eval { &mysetpgrp( 0) };
pass "&setpgrp with one argument";
eval { &mysetpgrp };
pass "&setpgrp with no arguments";
test_proto "set$_" for qw '
priority protoent pwent servent sockopt
';
test_proto "shm$_" for qw "ctl get read write";
test_proto 'shutdown';
test_proto 'sin';
test_proto 'sleep';
test_proto "socket$_" for "", "pair";
test_proto 'sprintf';
$tests += 2;
is &mysprintf("%x", 65), '41', '&sprintf';
lis [&mysprintf("%x", '65')], ['41'], '&sprintf in list context';
test_proto 'sqrt', 4, 2;
test_proto 'srand';
$tests ++;
&CORE::srand;
() = &CORE::srand;
pass '&srand with no args does not crash';
test_proto 'study';
test_proto 'substr';
$tests += 5;
$_ = "abc";
is &mysubstr($_, 1, 1, "d"), 'b', '4-arg &substr';
is $_, 'adc', 'what 4-arg &substr does';
is &mysubstr("abc", 1, 1), 'b', '3-arg &substr';
is &mysubstr("abc", 1), 'bc', '2-arg &substr';
&mysubstr($_, 1) = 'long';
is $_, 'along', 'lvalue &substr';
test_proto 'symlink';
test_proto 'syscall';
test_proto 'sysopen';
$tests +=2;
{
&mysysopen(my $fh, 'test.pl', 0);
pass '&sysopen does not crash with 3 args';
ok $fh, 'sysopen autovivifies';
}
test_proto 'sysread';
test_proto 'sysseek';
test_proto 'syswrite';
test_proto 'tell';
{
$tests += 2;
open my $fh, "test.pl" or die "Cannot open test.pl";
<$fh>;
is &mytell(), tell($fh), '&tell with no args';
is &mytell($fh), tell($fh), '&tell with an arg';
}
test_proto 'telldir';
test_proto 'tie';
test_proto 'tied';
$tests += 3;
{
my $fetches;
package tier {
sub TIESCALAR { bless[] }
sub FETCH { ++$fetches }
}
my $tied;
my $obj = &mytie(\$tied, 'tier');
is &mytied(\$tied), $obj, '&tie and &tied retvals';
() = "$tied";
is $fetches, 1, '&tie actually ties';
&CORE::untie(\$tied);
() = "$tied";
is $fetches, 1, '&untie unties';
}
test_proto 'time';
$tests += 2;
like &mytime, qr/^\d+\z/, '&time in scalar context';
like join('-', &mytime), qr/^\d+\z/, '&time in list context';
test_proto 'times';
$tests += 2;
like &mytimes, qr/^[\d.]+\z/, '× in scalar context';
like join('-',&mytimes), qr/^[\d.]+-[\d.]+-[\d.]+-[\d.]+\z/,
'× in list context';
test_proto 'uc', 'aa', 'AA';
test_proto 'ucfirst', 'aa', "Aa";
test_proto 'umask';
$tests ++;
is &myumask, umask, '&umask with no args';
test_proto 'undef';
$tests += 12;
is &myundef(), undef, '&undef returns undef';
lis [&myundef()], [undef], '&undef returns undef in list cx';
lis [&myundef(\$_)], [undef], '&undef(...) returns undef in list cx';
is \&myundef(), \undef, '&undef returns the right undef';
$_ = 'anserine questions';
&myundef(\$_);
is $_, undef, '&undef(\$_) undefines $_';
@_ = 1..3;
&myundef(\@_);
is @_, 0, '&undef(\@_) undefines @_';
%_ = 1..4;
&myundef(\%_);
ok !%_, '&undef(\%_) undefines %_';
&myundef(\&utf8::valid); # nobody should be using this :-)
ok !defined &utf8::valid, '&undef(\&foo) undefines &foo';
@_ = \*_;
&myundef;
is *_{ARRAY}, undef, '@_=\*_, &undef undefines *_';
@_ = \*_;
&myundef(\*_);
is *_{ARRAY}, undef, '&undef(\*_) undefines *_';
(&myundef(), @_) = 1..10;
lis \@_, [2..10], 'list assignment to &undef()';
ok !defined undef, 'list assignment to &undef() does not affect undef';
undef @_;
test_proto 'unpack';
$tests += 2;
my $abcd_as_a_hex_string = join "", map
{ sprintf("%2X", utf8::unicode_to_native($_)) }
0x61, 0x62, 0x63, 0x64;
my $bcde_as_a_hex_string = join "", map
{ sprintf("%2X", utf8::unicode_to_native($_)) }
0x62, 0x63, 0x64, 0x65;
$_ = 'abcd';
is &myunpack("H*"), $abcd_as_a_hex_string, '&unpack with one arg';
is &myunpack("H*", "bcde"), $bcde_as_a_hex_string, '&unpack with two arg';
test_proto 'untie'; # behaviour already tested along with tie(d)
test_proto 'utime';
$tests += 2;
is &myutime(undef,undef), 0, '&utime';
lis [&myutime(undef,undef)], [0], '&utime in list context';
test_proto 'values';
$tests += 4;
is &myvalues({ 1..4 }), 2, '&myvalues(\%hash) in scalar cx';
lis [sort &myvalues({1..4})], [2,4], '&myvalues(\%hash) in list cx';
is &myvalues([ 1..4 ]), 4, '&myvalues(\@array) in scalar cx';
lis [&myvalues([ 1..4 ])], [1..4], '&mykeys(\@array) in list cx';
test_proto 'vec';
$tests += 3;