[p5sagit/p5-mst-13.2.git] / t / comp / require.t

#!./perl

BEGIN {
    chdir 't' if -d 't';
    @INC = '.';
    push @INC, '../lib';
}

# don't make this lexical
$i = 1;

my @fjles_to_delete = qw (bleah.pm bleah.do bleah.flg urkkk.pm urkkk.pmc
krunch.pm krunch.pmc whap.pm whap.pmc);


my $Is_EBCDIC = (ord('A') == 193) ? 1 : 0;
my $Is_UTF8   = (${^OPEN} || "") =~ /:utf8/;
my $total_tests = 50;
if ($Is_EBCDIC || $Is_UTF8) { $total_tests -= 3; }
print "1..$total_tests\n";

sub do_require {
    %INC = ();
    write_file('bleah.pm',@_);
    eval { require "bleah.pm" };
    my @a; # magic guard for scope violations (must be first lexical in file)
}

sub write_file {
    my $f = shift;
    open(REQ,">$f") or die "Can't write '$f': $!";
    binmode REQ;
    use bytes;
    print REQ @_;
    close REQ or die "Could not close $f: $!";
}

eval {require 5.005};
print "# $@\nnot " if $@;
print "ok ",$i++,"\n";

eval { require 5.005 };
print "# $@\nnot " if $@;
print "ok ",$i++,"\n";

eval { require 5.005; };
print "# $@\nnot " if $@;
print "ok ",$i++,"\n";

eval {
    require 5.005
};
print "# $@\nnot " if $@;
print "ok ",$i++,"\n";

# new style version numbers

eval { require v5.5.630; };
print "# $@\nnot " if $@;
print "ok ",$i++,"\n";

eval { require 10.0.2; };
print "# $@\nnot " unless $@ =~ /^Perl v10\.0\.2 required/;
print "ok ",$i++,"\n";

eval q{ use v5.5.630; };
print "# $@\nnot " if $@;
print "ok ",$i++,"\n";

eval q{ use 10.0.2; };
print "# $@\nnot " unless $@ =~ /^Perl v10\.0\.2 required/;
print "ok ",$i++,"\n";

my $ver = 5.005_63;
eval { require $ver; };
print "# $@\nnot " if $@;
print "ok ",$i++,"\n";

# check inaccurate fp
$ver = 10.2;
eval { require $ver; };
print "# $@\nnot " unless $@ =~ /^Perl v10\.200.0 required/;
print "ok ",$i++,"\n";

$ver = 10.000_02;
eval { require $ver; };
print "# $@\nnot " unless $@ =~ /^Perl v10\.0\.20 required/;
print "ok ",$i++,"\n";

print "not " unless 5.5.1 gt v5.5;
print "ok ",$i++,"\n";

{
    print "not " unless v5.5.640 eq "\x{5}\x{5}\x{280}";
    print "ok ",$i++,"\n";

    print "not " unless v7.15 eq "\x{7}\x{f}";
    print "ok ",$i++,"\n";

    print "not "
      unless v1.20.300.4000.50000.600000 eq "\x{1}\x{14}\x{12c}\x{fa0}\x{c350}\x{927c0}";
    print "ok ",$i++,"\n";
}

# interaction with pod (see the eof)
write_file('bleah.pm', "print 'ok $i\n'; 1;\n");
require "bleah.pm";
$i++;

# run-time failure in require
do_require "0;\n";
print "# $@\nnot " unless $@ =~ /did not return a true/;
print "ok ",$i++,"\n";

print "not " if exists $INC{'bleah.pm'};
print "ok ",$i++,"\n";

my $flag_file = 'bleah.flg';
# run-time error in require
for my $expected_compile (1,0) {
    write_file($flag_file, 1);
    print "not " unless -e $flag_file;
    print "ok ",$i++,"\n";
    write_file('bleah.pm', "unlink '$flag_file' or die; \$a=0; \$b=1/\$a; 1;\n");
    print "# $@\nnot " if eval { require 'bleah.pm' };
    print "ok ",$i++,"\n";
    print "not " unless -e $flag_file xor $expected_compile;
    print "ok ",$i++,"\n";
    print "not " unless exists $INC{'bleah.pm'};
    print "ok ",$i++,"\n";
}

# compile-time failure in require
do_require "1)\n";
# bison says 'parse error' instead of 'syntax error',
# various yaccs may or may not capitalize 'syntax'.
print "# $@\nnot " unless $@ =~ /(syntax|parse) error/mi;
print "ok ",$i++,"\n";

# previous failure cached in %INC
print "not " unless exists $INC{'bleah.pm'};
print "ok ",$i++,"\n";
write_file($flag_file, 1);
write_file('bleah.pm', "unlink '$flag_file'; 1");
print "# $@\nnot " if eval { require 'bleah.pm' };
print "ok ",$i++,"\n";
print "# $@\nnot " unless $@ =~ /Compilation failed/i;
print "ok ",$i++,"\n";
print "not " unless -e $flag_file;
print "ok ",$i++,"\n";
print "not " unless exists $INC{'bleah.pm'};
print "ok ",$i++,"\n";

# successful require
do_require "1";
print "# $@\nnot " if $@;
print "ok ",$i++,"\n";

# do FILE shouldn't see any outside lexicals
my $x = "ok $i\n";
write_file("bleah.do", <<EOT);
\$x = "not ok $i\\n";
EOT
do "bleah.do" or die $@;
dofile();
sub dofile { do "bleah.do" or die $@; };
print $x;

# Test that scalar context is forced for require

write_file('bleah.pm', <<'**BLEAH**'
print "not " if !defined wantarray || wantarray ne '';
print "ok $i - require() context\n";
1;
**BLEAH**
);
                              delete $INC{"bleah.pm"}; ++$::i;
$foo = eval q{require bleah}; delete $INC{"bleah.pm"}; ++$::i;
@foo = eval q{require bleah}; delete $INC{"bleah.pm"}; ++$::i;
       eval q{require bleah}; delete $INC{"bleah.pm"}; ++$::i;
       eval q{$_=$_+2;require bleah}; delete $INC{"bleah.pm"}; ++$::i;
$foo = eval  {require bleah}; delete $INC{"bleah.pm"}; ++$::i;
@foo = eval  {require bleah}; delete $INC{"bleah.pm"}; ++$::i;
       eval  {require bleah};

# Test for fix of RT #24404 : "require $scalar" may load a directory
my $r = "threads";
eval { require $r };
$i++;
if($@ =~ /Can't locate threads in \@INC/) {
    print "ok $i\n";
} else {
    print "not ok $i\n";
}


write_file('bleah.pm', qq(die "This is an expected error";\n));
delete $INC{"bleah.pm"}; ++$::i;
eval { CORE::require bleah; };
if ($@ =~ /^This is an expected error/) {
    print "ok $i\n";
} else {
    print "not ok $i\n";
}

sub write_file_not_thing {
    my ($file, $thing, $test) = @_;
    write_file($file, <<"EOT");
    print "not ok $test\n";
    die "The $thing file should not be loaded";
EOT
}

{
    # Right. We really really need Config here.
    require Config;
    die "Failed to load Config for some reason"
	unless $Config::Config{version};
    my $ccflags = $Config::Config{ccflags};
    die "Failed to get ccflags for some reason" unless defined $ccflags;

    my $simple = ++$i;
    my $pmc_older = ++$i;
    my $pmc_dies = ++$i;
    if ($ccflags =~ /(?:^|\s)-DPERL_DISABLE_PMC\b/) {
	print "# .pmc files are ignored, so test that\n";
	write_file_not_thing('krunch.pmc', '.pmc', $pmc_older);
	write_file('urkkk.pm', qq(print "ok $simple\n"));
	write_file('whap.pmc', qq(die "This is not an expected error"));

	print "# Sleeping for 2 seconds before creating some more files\n";
	sleep 2;

	write_file('krunch.pm', qq(print "ok $pmc_older\n"));
	write_file_not_thing('urkkk.pmc', '.pmc', $simple);
	write_file('whap.pm', qq(die "This is an expected error"));
    } else {
	print "# .pmc files should be loaded, so test that\n";
	write_file('krunch.pmc', qq(print "ok $pmc_older\n";));
	write_file_not_thing('urkkk.pm', '.pm', $simple);
	write_file('whap.pmc', qq(die "This is an expected error"));

	print "# Sleeping for 2 seconds before creating some more files\n";
	sleep 2;

	write_file_not_thing('krunch.pm', '.pm', $pmc_older);
	write_file('urkkk.pmc', qq(print "ok $simple\n";));
	write_file_not_thing('whap.pm', '.pm', $pmc_dies);
    }
    require urkkk;
    require krunch;
    eval {CORE::require whap; 1} and die;

    if ($@ =~ /^This is an expected error/) {
	print "ok $pmc_dies\n";
    } else {
	print "not ok $pmc_dies\n";
    }
}

#  [perl #49472] Attributes + Unkown Error

{
    do_require
	'use strict;sub MODIFY_CODE_ATTRIBUTE{} sub f:Blah {$nosuchvar}';
    my $err = $@;
    $err .= "\n" unless $err =~ /\n$/;
    unless ($err =~ /Global symbol "\$nosuchvar" requires /) {
	$err =~ s/^/# /mg;
	print "${err}not ";
    }
    print "ok ", ++$i, " [perl #49472]\n";
}

##########################################
# What follows are UTF-8 specific tests. #
# Add generic tests before this point.   #
##########################################

# UTF-encoded things - skipped on EBCDIC machines and on UTF-8 input

if ($Is_EBCDIC || $Is_UTF8) { exit; }

my $utf8 = chr(0xFEFF);

$i++; do_require(qq(${utf8}print "ok $i\n"; 1;\n));

sub bytes_to_utf16 {
    my $utf16 = pack("$_[0]*", unpack("C*", $_[1]));
    return @_ == 3 && $_[2] ? pack("$_[0]", 0xFEFF) . $utf16 : $utf16;
}

$i++; do_require(bytes_to_utf16('n', qq(print "ok $i\\n"; 1;\n), 1)); # BE
$i++; do_require(bytes_to_utf16('v', qq(print "ok $i\\n"; 1;\n), 1)); # LE

END {
    foreach my $file (@fjles_to_delete) {
	1 while unlink $file;
    }
}

# ***interaction with pod (don't put any thing after here)***

=pod
Commit	Line	Data
f46d017c	1	#!./perl
	2
	3	BEGIN {
	4	chdir 't' if -d 't';
20822f61	5	@INC = '.';
20822f61	6	push @INC, '../lib';
f46d017c	7	}
	8
	9	# don't make this lexical
	10	$i = 1;
d2f5bb60	11
b0927e10	12	my @fjles_to_delete = qw (bleah.pm bleah.do bleah.flg urkkk.pm urkkk.pmc
	13	krunch.pm krunch.pmc whap.pm whap.pmc);
	14
	15
d2f5bb60	16	my $Is_EBCDIC = (ord('A') == 193) ? 1 : 0;
8a220075	17	my $Is_UTF8 = (${^OPEN} \|\| "") =~ /:utf8/;
ca4cfd28	18	my $total_tests = 50;
76b0784a	19	if ($Is_EBCDIC \|\| $Is_UTF8) { $total_tests -= 3; }
d2f5bb60	20	print "1..$total_tests\n";
f46d017c	21
	22	sub do_require {
	23	%INC = ();
4a9ae47a	24	write_file('bleah.pm',@_);
f46d017c	25	eval { require "bleah.pm" };
	26	my @a; # magic guard for scope violations (must be first lexical in file)
	27	}
	28
4a9ae47a	29	sub write_file {
	30	my $f = shift;
	31	open(REQ,">$f") or die "Can't write '$f': $!";
9f82a649	32	binmode REQ;
7d59b7e4	33	use bytes;
4a9ae47a	34	print REQ @_;
d1e4d418	35	close REQ or die "Could not close $f: $!";
4a9ae47a	36	}
4a9ae47a	37
9f3d182e	38	eval {require 5.005};
	39	print "# $@\nnot " if $@;
	40	print "ok ",$i++,"\n";
	41
	42	eval { require 5.005 };
	43	print "# $@\nnot " if $@;
	44	print "ok ",$i++,"\n";
	45
	46	eval { require 5.005; };
	47	print "# $@\nnot " if $@;
	48	print "ok ",$i++,"\n";
	49
	50	eval {
	51	require 5.005
	52	};
	53	print "# $@\nnot " if $@;
	54	print "ok ",$i++,"\n";
	55
a7cb1f99	56	# new style version numbers
	57
	58	eval { require v5.5.630; };
	59	print "# $@\nnot " if $@;
	60	print "ok ",$i++,"\n";
	61
dd629d5b	62	eval { require 10.0.2; };
a7cb1f99	63	print "# $@\nnot " unless $@ =~ /^Perl v10\.0\.2 required/;
	64	print "ok ",$i++,"\n";
	65
	66	eval q{ use v5.5.630; };
	67	print "# $@\nnot " if $@;
	68	print "ok ",$i++,"\n";
	69
dd629d5b	70	eval q{ use 10.0.2; };
a7cb1f99	71	print "# $@\nnot " unless $@ =~ /^Perl v10\.0\.2 required/;
	72	print "ok ",$i++,"\n";
	73
44dcb63b	74	my $ver = 5.005_63;
a7cb1f99	75	eval { require $ver; };
	76	print "# $@\nnot " if $@;
	77	print "ok ",$i++,"\n";
	78
44dcb63b	79	# check inaccurate fp
dbe7b177	80	$ver = 10.2;
dbe7b177	81	eval { require $ver; };
9137345a	82	print "# $@\nnot " unless $@ =~ /^Perl v10\.200.0 required/;
dbe7b177	83	print "ok ",$i++,"\n";
44dcb63b	84
44dcb63b	85	$ver = 10.000_02;
a7cb1f99	86	eval { require $ver; };
44dcb63b	87	print "# $@\nnot " unless $@ =~ /^Perl v10\.0\.20 required/;
a7cb1f99	88	print "ok ",$i++,"\n";
a7cb1f99	89
dd629d5b	90	print "not " unless 5.5.1 gt v5.5;
a7cb1f99	91	print "ok ",$i++,"\n";
a7cb1f99	92
a7cb1f99	93	{
a7cb1f99	94	print "not " unless v5.5.640 eq "\x{5}\x{5}\x{280}";
	95	print "ok ",$i++,"\n";
	96
	97	print "not " unless v7.15 eq "\x{7}\x{f}";
	98	print "ok ",$i++,"\n";
	99
	100	print "not "
	101	unless v1.20.300.4000.50000.600000 eq "\x{1}\x{14}\x{12c}\x{fa0}\x{c350}\x{927c0}";
	102	print "ok ",$i++,"\n";
	103	}
	104
4a9ae47a	105	# interaction with pod (see the eof)
	106	write_file('bleah.pm', "print 'ok $i\n'; 1;\n");
	107	require "bleah.pm";
	108	$i++;
	109
f46d017c	110	# run-time failure in require
	111	do_require "0;\n";
	112	print "# $@\nnot " unless $@ =~ /did not return a true/;
	113	print "ok ",$i++,"\n";
	114
4d8b06f1	115	print "not " if exists $INC{'bleah.pm'};
	116	print "ok ",$i++,"\n";
	117
	118	my $flag_file = 'bleah.flg';
	119	# run-time error in require
	120	for my $expected_compile (1,0) {
	121	write_file($flag_file, 1);
	122	print "not " unless -e $flag_file;
	123	print "ok ",$i++,"\n";
	124	write_file('bleah.pm', "unlink '$flag_file' or die; \$a=0; \$b=1/\$a; 1;\n");
	125	print "# $@\nnot " if eval { require 'bleah.pm' };
	126	print "ok ",$i++,"\n";
	127	print "not " unless -e $flag_file xor $expected_compile;
	128	print "ok ",$i++,"\n";
27bcc0a7	129	print "not " unless exists $INC{'bleah.pm'};
27bcc0a7	130	print "ok ",$i++,"\n";
4d8b06f1	131	}
4d8b06f1	132
f46d017c	133	# compile-time failure in require
f46d017c	134	do_require "1)\n";
f0ec1f9a	135	# bison says 'parse error' instead of 'syntax error',
d91e2bdb	136	# various yaccs may or may not capitalize 'syntax'.
f0ec1f9a	137	print "# $@\nnot " unless $@ =~ /(syntax\|parse) error/mi;
f46d017c	138	print "ok ",$i++,"\n";
f46d017c	139
27bcc0a7	140	# previous failure cached in %INC
	141	print "not " unless exists $INC{'bleah.pm'};
	142	print "ok ",$i++,"\n";
4d8b06f1	143	write_file($flag_file, 1);
	144	write_file('bleah.pm', "unlink '$flag_file'; 1");
	145	print "# $@\nnot " if eval { require 'bleah.pm' };
	146	print "ok ",$i++,"\n";
	147	print "# $@\nnot " unless $@ =~ /Compilation failed/i;
	148	print "ok ",$i++,"\n";
	149	print "not " unless -e $flag_file;
	150	print "ok ",$i++,"\n";
27bcc0a7	151	print "not " unless exists $INC{'bleah.pm'};
4d8b06f1	152	print "ok ",$i++,"\n";
4d8b06f1	153
f46d017c	154	# successful require
	155	do_require "1";
	156	print "# $@\nnot " if $@;
	157	print "ok ",$i++,"\n";
	158
faa7e5bb	159	# do FILE shouldn't see any outside lexicals
	160	my $x = "ok $i\n";
	161	write_file("bleah.do", <<EOT);
	162	\$x = "not ok $i\\n";
	163	EOT
e81465be	164	do "bleah.do" or die $@;
faa7e5bb	165	dofile();
e81465be	166	sub dofile { do "bleah.do" or die $@; };
faa7e5bb	167	print $x;
faa7e5bb	168
a89be09a	169	# Test that scalar context is forced for require
	170
	171	write_file('bleah.pm', <<'BLEAH'
	172	print "not " if !defined wantarray \|\| wantarray ne '';
0c58d367	173	print "ok $i - require() context\n";
a89be09a	174	1;
	175	BLEAH
	176	);
	177	delete $INC{"bleah.pm"}; ++$::i;
	178	$foo = eval q{require bleah}; delete $INC{"bleah.pm"}; ++$::i;
	179	@foo = eval q{require bleah}; delete $INC{"bleah.pm"}; ++$::i;
	180	eval q{require bleah}; delete $INC{"bleah.pm"}; ++$::i;
0c58d367	181	eval q{$_=$_+2;require bleah}; delete $INC{"bleah.pm"}; ++$::i;
a89be09a	182	$foo = eval {require bleah}; delete $INC{"bleah.pm"}; ++$::i;
	183	@foo = eval {require bleah}; delete $INC{"bleah.pm"}; ++$::i;
	184	eval {require bleah};
	185
2d6f15ea	186	# Test for fix of RT #24404 : "require $scalar" may load a directory
	187	my $r = "threads";
	188	eval { require $r };
	189	$i++;
6b845e56	190	if($@ =~ /Can't locate threads in \@INC/) {
2d6f15ea	191	print "ok $i\n";
	192	} else {
	193	print "not ok $i\n";
	194	}
	195
57f3ff92	196
	197	write_file('bleah.pm', qq(die "This is an expected error";\n));
	198	delete $INC{"bleah.pm"}; ++$::i;
	199	eval { CORE::require bleah; };
	200	if ($@ =~ /^This is an expected error/) {
	201	print "ok $i\n";
	202	} else {
	203	print "not ok $i\n";
	204	}
	205
b0927e10	206	sub write_file_not_thing {
	207	my ($file, $thing, $test) = @_;
	208	write_file($file, <<"EOT");
	209	print "not ok $test\n";
	210	die "The $thing file should not be loaded";
	211	EOT
	212	}
	213
	214	{
	215	# Right. We really really need Config here.
	216	require Config;
	217	die "Failed to load Config for some reason"
	218	unless $Config::Config{version};
	219	my $ccflags = $Config::Config{ccflags};
	220	die "Failed to get ccflags for some reason" unless defined $ccflags;
	221
	222	my $simple = ++$i;
	223	my $pmc_older = ++$i;
	224	my $pmc_dies = ++$i;
	225	if ($ccflags =~ /(?:^\|\s)-DPERL_DISABLE_PMC\b/) {
	226	print "# .pmc files are ignored, so test that\n";
	227	write_file_not_thing('krunch.pmc', '.pmc', $pmc_older);
	228	write_file('urkkk.pm', qq(print "ok $simple\n"));
	229	write_file('whap.pmc', qq(die "This is not an expected error"));
	230
	231	print "# Sleeping for 2 seconds before creating some more files\n";
	232	sleep 2;
	233
	234	write_file('krunch.pm', qq(print "ok $pmc_older\n"));
	235	write_file_not_thing('urkkk.pmc', '.pmc', $simple);
	236	write_file('whap.pm', qq(die "This is an expected error"));
	237	} else {
	238	print "# .pmc files should be loaded, so test that\n";
	239	write_file('krunch.pmc', qq(print "ok $pmc_older\n";));
	240	write_file_not_thing('urkkk.pm', '.pm', $simple);
	241	write_file('whap.pmc', qq(die "This is an expected error"));
	242
	243	print "# Sleeping for 2 seconds before creating some more files\n";
	244	sleep 2;
	245
	246	write_file_not_thing('krunch.pm', '.pm', $pmc_older);
	247	write_file('urkkk.pmc', qq(print "ok $simple\n";));
	248	write_file_not_thing('whap.pm', '.pm', $pmc_dies);
	249	}
	250	require urkkk;
	251	require krunch;
	252	eval {CORE::require whap; 1} and die;
	253
	254	if ($@ =~ /^This is an expected error/) {
	255	print "ok $pmc_dies\n";
	256	} else {
	257	print "not ok $pmc_dies\n";
	258	}
	259	}
	260
ca4cfd28	261	# [perl #49472] Attributes + Unkown Error
	262
	263	{
	264	do_require
	265	'use strict;sub MODIFY_CODE_ATTRIBUTE{} sub f:Blah {$nosuchvar}';
	266	my $err = $@;
	267	$err .= "\n" unless $err =~ /\n$/;
	268	unless ($err =~ /Global symbol "\$nosuchvar" requires /) {
	269	$err =~ s/^/# /mg;
	270	print "${err}not ";
	271	}
	272	print "ok ", ++$i, " [perl #49472]\n";
	273	}
	274
d20ea72b	275	##########################################
	276	# What follows are UTF-8 specific tests. #
	277	# Add generic tests before this point. #
	278	##########################################
2d6f15ea	279
8a220075	280	# UTF-encoded things - skipped on EBCDIC machines and on UTF-8 input
d2f5bb60	281
8a220075	282	if ($Is_EBCDIC \|\| $Is_UTF8) { exit; }
d2f5bb60	283
b250498f	284	my $utf8 = chr(0xFEFF);
dea0fc0b	285
	286	$i++; do_require(qq(${utf8}print "ok $i\n"; 1;\n));
	287
	288	sub bytes_to_utf16 {
	289	my $utf16 = pack("$_[0]", unpack("C", $_[1]));
7d59b7e4	290	return @_ == 3 && $_[2] ? pack("$_[0]", 0xFEFF) . $utf16 : $utf16;
dea0fc0b	291	}
	292
	293	$i++; do_require(bytes_to_utf16('n', qq(print "ok $i\\n"; 1;\n), 1)); # BE
	294	$i++; do_require(bytes_to_utf16('v', qq(print "ok $i\\n"; 1;\n), 1)); # LE
b250498f	295
4d8b06f1	296	END {
b0927e10	297	foreach my $file (@fjles_to_delete) {
	298	1 while unlink $file;
	299	}
4d8b06f1	300	}
4a9ae47a	301
	302	# *interaction with pod (don't put any thing after here)*
	303
	304	=pod