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#! perl
# Copyright (C) 2001-2012, Parrot Foundation.

use strict;
use warnings;
use lib qw( . lib ../lib ../../lib );
use Test::More;
use Parrot::Test tests => 34;
use Parrot::Config;
use Cwd;
use File::Spec;
use File::Path;

my $MSWin32 = $^O =~ m!MSWin32!;
my $cygwin = $^O =~ m!cygwin!;
my $solaris = $^O =~ m!solaris!;
my $MSVC = $PConfig{cc} =~ m/\bcl(?:\.exe)?/i;

=head1 NAME

t/pmc/os.t - Files and Dirs

=head1 SYNOPSIS

% prove t/pmc/os.t

=head1 DESCRIPTION

Tests the C<OS> PMC.

=cut

END {
    # Clean up environment on exit
    rmdir "xpto" if -d "xpto";
    unlink "xpto" if -f "xpto";
}

# test 'cwd'
my $cwd = File::Spec->canonpath(getcwd);
if (File::Spec->case_tolerant(substr($cwd,0,2))) {
    $cwd = lc($cwd);
    pir_output_is( <<'CODE', <<"OUT", 'Test cwd' );
.sub main :main
$P0 = new ['OS']
$S1 = $P0."cwd"()
# Unicode downcase needs ICU
$I0 = find_encoding "iso-8859-1"
$S1 = trans_encoding $S1, $I0
$S2 = downcase $S1
print $S2
print "\n"
end
.end
CODE
$cwd
OUT
}
else {
    pir_output_is( <<'CODE', <<"OUT", 'Test cwd' );
.sub main :main
$P0 = new ['OS']
$S1 = $P0."cwd"()
print $S1
print "\n"
end
.end
CODE
$cwd
OUT
}

# test bad cwd

SKIP:
{
    skip 'Some OSes don\'t allow to remove the current directory', 1 if $^O !~ /linux/i;
    mkdir "test-bad-cwd";

    pir_error_output_like( <<'CODE', <<"OUT", 'Test bad cwd' );
    .sub main :main
$P0 = new ['OS']

$P0.'chdir'('test-bad-cwd')
$P0.'rm'('../test-bad-cwd')
$S0 = $P0.'cwd'()
.end
CODE
/getcwd failed/
OUT
}

# TEST chdir
chdir "src";
my $upcwd = File::Spec->canonpath(getcwd);
chdir '..';

if (File::Spec->case_tolerant(substr($cwd,0,2))) {
    $cwd = lc($cwd);
    $upcwd = lc($upcwd);

    pir_output_is( <<'CODE', <<"OUT", 'Test chdir' );
.sub main :main
$P1 = new ['OS']

$S1 = "src"
$P1."chdir"($S1)

$S1 = $P1."cwd"()
# Unicode downcase needs ICU
$I0 = find_encoding "iso-8859-1"
$S1 = trans_encoding $S1, $I0
$S2 = downcase $S1
say $S2

$S1 = ".."
$P1."chdir"($S1)

$S1 = $P1."cwd"()
# Unicode downcase needs ICU
$I0 = find_encoding "iso-8859-1"
$S1 = trans_encoding $S1, $I0
$S2 = downcase $S1
say $S2

end
.end
CODE
$upcwd
$cwd
OUT
}
else {
    pir_output_is( <<'CODE', <<"OUT", 'Test chdir' );
.sub main :main
$P1 = new ['OS']

$S1 = "src"
$P1."chdir"($S1)

$S1 = $P1."cwd"()
say $S1

$S1 = ".."
$P1."chdir"($S1)

$S1 = $P1."cwd"()
say $S1

end
.end
CODE
$upcwd
$cwd
OUT
}

# test bad chdir

pir_error_output_like( <<'CODE', <<"OUT", 'Test bad chdir' );
.sub main :main
$P1 = new ['OS']

$S1 = repeat "-!", 10
$P1."chdir"($S1)
.end
CODE
/chdir failed/
OUT

# Test mkdir

my $xpto = $upcwd;
$xpto =~ s/src([\/\\]?)$/xpto$1/;

if (File::Spec->case_tolerant(substr($cwd,0,2))) {

    pir_output_is( <<'CODE', <<"OUT", 'Test mkdir' );
.sub main :main
$P1 = new ['OS']

$S1 = "xpto"
$I1 = 0o555
$P1."mkdir"($S1,$I1)
$P1."chdir"($S1)

$S1 = $P1."cwd"()
# Unicode downcase needs ICU
$I0 = find_encoding "iso-8859-1"
$S1 = trans_encoding $S1, $I0
$S2 = downcase $S1
say $S2

$S1 = ".."
$P1."chdir"($S1)

$S1 = $P1."cwd"()
# Unicode downcase needs ICU
$I0 = find_encoding "iso-8859-1"
$S1 = trans_encoding $S1, $I0
$S2 = downcase $S1
say $S2

end
.end
CODE
$xpto
$cwd
OUT
}
else {
    pir_output_is( <<'CODE', <<"OUT", 'Test mkdir' );
.sub main :main
$P1 = new ['OS']

$S1 = "xpto"
$I1 = 0o555
$P1."mkdir"($S1,$I1)
$P1."chdir"($S1)

$S1 = $P1."cwd"()
say $S1

$S1 = ".."
$P1."chdir"($S1)

$S1 = $P1."cwd"()
say $S1

end
.end
CODE
$xpto
$cwd
OUT
}

pir_error_output_like( <<'CODE', <<"OUT", 'Test bad mkdir' );
.sub main :main
$P1 = new ['OS']

$P1."mkdir"(".", 0)
.end
CODE
/mkdir failed/i
OUT

# Test remove on a directory
mkdir "xpto" unless -d "xpto";

pir_output_is( <<'CODE', <<'OUT', 'Test rm call in a directory' );
.sub main :main
$P1 = new ['OS']

$S1 = "xpto"
$P1."rm"($S1)

print "ok\n"

end
.end
CODE
ok
OUT

ok( !-d $xpto, "Test that rm removed the directory" );
rmdir $xpto if -d $xpto; # this way next test doesn't fail if this one does

mkdir "test-bad-rm";
open my $testfile, '>', "test-bad-rm/bad";
close $testfile;

pir_output_like( <<'CODE', <<'OUT', 'Test bad rm calls' );
.sub main :main
$P1 = new ['OS']

push_eh eh1
$P1."rm"('test-bad-rm')
say "failed"
goto finally1
eh1:
.get_results($P2)
say $P2
finally1:
pop_eh

$P1."chdir"("..")
push_eh eh2
$P1."rm"('non-existent-directory')
say "failed"
goto finally2
eh2:
.get_results($P2)
say $P2
finally2:
pop_eh
.end
CODE
/rmdir failed.*
stat failed/
OUT

unlink "test-bad-rm/bad";
rmdir "test-bad-rm";

# test stat

open my $X, '>', "xpto";
print $X "xpto";
close $X;

my $stat;

my $count = $MSWin32 ? 11 : 13;
# [GH #820] Win32 stat() for mtime is broken. Try to use Win32::UTCFileTime
BEGIN {
    if ($^O eq 'MSWin32') {
        eval { require Win32::UTCFileTime; }
          and Win32::UTCFileTime::import(':globally');
    }
}
my @s = stat('xpto');
$s[6] = 0; # Parrot does this internally...
if ( $cygwin ) {
    # Mask inode number (fudge it)
    $s[1] &= 0xffffffff;
}

if ( $MSWin32 ) {
    $s[0] = 0; # dev: we use dwVolumeSerialNumber instead of drive letter
    $s[2] = 0777; # mode: always 0777 on Windows
    $s[3] = 0; # nlink: only implemented in fstat for now
    $s[6] = 0; # rdev: we use zero instead of drive letter
    $s[10] = $s[9]; # ctime: equals mtime
    $stat = sprintf("0x%08x\n" x 11, @s);
    pir_output_is( <<'CODE', $stat, 'Test OS.stat' );
.sub main :main
$P1 = new ['OS']
$S1 = "xpto"
$P2 = $P1."stat"($S1)
$P2[0] = 0

$S1 = repeat "0x%08x\n", 11
$S2 = sprintf $S1, $P2
print $S2
done:
end
.end
CODE
}
else {
  SKIP: {
    skip 'broken test GH #457', 1 if $solaris;

    $stat = sprintf("0x%08x\n" x 13, @s);
    pir_output_is( <<'CODE', $stat, 'Test OS.stat' );
.sub main :main
$P1 = new ['OS']
$S1 = "xpto"
$P2 = $P1."stat"($S1)

$S1 = repeat "0x%08x\n", 13
$S2 = sprintf $S1, $P2
print $S2
done:
end
.end
CODE
}
}

pir_error_output_like( <<'CODE', <<'OUTPUT', 'test bad stat');
.sub main :main
$P1 = new ['OS']
$P2 = $P1."stat"("non-existent something")
.end
CODE
/stat failed/
OUTPUT

opendir my $IN, 'docs';
my @entries = readdir $IN;
closedir $IN;
my $entries = join( ' ', @entries ) . "\n";
pir_output_is( <<'CODE', $entries, 'Test OS.readdir' );
.sub main :main
$P1 = new ['OS']
$P2 = $P1.'readdir'('docs')

$S0 = join ' ', $P2
$I0 = find_encoding 'ascii'
$S0 = trans_encoding $S0, $I0
print $S0
print "\n"
.end
CODE

SKIP: {
    skip 'not implemented on windows yet', 1 if $MSWin32;

    mkdir 'silly-dir-with-silly-names';
    open my $fileh, '>', "silly-dir-with-silly-names/sillyname\x{263A}";
    close $fileh;

    opendir my $IN2, 'silly-dir-with-silly-names';
    my @entries2 = readdir $IN2;
    closedir $IN2;
    my $entries2 = join( ' ', @entries2 ) . "\n";

    pir_output_is( <<'CODE', $entries2, 'Test OS.readdir with ord >127' );
.sub main :main
$P1 = new ['OS']
$P2 = $P1.'readdir'('silly-dir-with-silly-names')

$S0 = join ' ', $P2
print $S0
print "\n"
.end
CODE

unlink "silly-dir-with-silly-names/sillyname\x{263A}";
rmdir "silly-dir-with-silly-names";
}

pir_error_output_like( <<'CODE', <<'OUTPUT', 'Test bad OS.readdir' );
.sub main :main
$P1 = new ['OS']
$P2 = $P1.'readdir'('non-existent directory')
.end
CODE
/readdir failed/
OUTPUT

# test rename

open my $FILE, ">", "____some_test_file";
close $FILE;
pir_output_is( <<'CODE', <<"OUT", 'Test OS.rename' );
.sub main :main
$P1 = new ['OS']
$P1.'rename'('____some_test_file', '___some_other_file')
say "ok"
.end
CODE
ok
OUT

if(-f '___some_other_file')
{
ok(1, "file was really renamed");
unlink '___some_other_file';
}
else {
ok(0, "file wasn't renamed");
}

pir_error_output_like( <<'CODE', <<"OUT", 'Test bad OS.rename' );
.sub main :main
$P1 = new ['OS']
$P1.'rename'('some silly non-existent file name', 'arglblargl')
.end
CODE
/rename failed/
OUT

# test lstat

my $lstat;

SKIP: {
skip 'lstat not on Win32', 1 if $MSWin32;
skip 'broken test GH #457', 1 if $solaris;

    my @s = lstat('xpto');
    $s[6] = 0; # Parrot does this internally
    if ($cygwin) {
        # Mask inode number (fudge it)
        $s[1] &= 0xffffffff;
    }
    $lstat = sprintf( "0x%08x\n" x 13, @s );
    pir_error_output_like( <<'CODE', <<"OUTPUT", "Test OS.lstat" );
.sub main :main
$P1 = new ['OS']
$S1 = "xpto"
$P2 = $P1."lstat"($S1)

$S1 = repeat "0x%08x\n", 13
$S2 = sprintf $S1, $P2
print $S2

$P3 = $P1."lstat"("non-existent file")

end
.end
CODE
/${lstat}stat failed/
OUTPUT
}

# Test remove on a file
pir_output_is( <<'CODE', <<"OUT", "Test rm call in a file" );
.sub main :main
$P1 = new ['OS']

$S1 = "xpto"
$P1."rm"($S1)

print "ok\n"

end
.end
CODE
ok
OUT

ok( !-f $xpto, "Test that rm removed file" );
rmdir $xpto if -f $xpto; # this way next test doesn't fail if this one does

# Test symlink
SKIP: {
    skip "Admin rights and Vista needed for symlinks on Windows", 2 if $MSWin32;

    pir_error_output_like( <<'CODE', <<"OUT", "Test symlink" );
.sub main :main
$P1 = new ['OS']

$S1 = "xpto"
$S2 = "MANIFEST"
$P1."symlink"($S2, $S1)

print "ok\n"

$P1."symlink"($S1, $S2)

end
.end
CODE
/ok
symlink failed/
OUT

ok( -l "xpto", "symlink was really created" );
unlink "xpto" if -f "xpto";
}

# Test link to file. May require root permissions
pir_output_is( <<'CODE', <<"OUT", "Test link" );
.sub main :main
$P1 = new ['OS']

$S1 = "xpto"
$S2 = "myconfig"
$P1."link"($S2, $S1)

print "ok\n"

end
.end
CODE
ok
OUT

my $nl = [ stat("myconfig") ]->[3];
if (-l "myconfig") {
    ok( 1, "hard link on symlink skipped" );
}
else {
    ok( $nl > 1, "hard link to file was really created" );
}
unlink "xpto" if -f "xpto";

my $prevnl = [ stat("tools") ]->[3];
pir_output_like( <<"CODE", <<"OUT", "Test dirlink" );
.sub main :main
.local pmc os
.local string xpto, tools
os = new ['OS']
xpto = "xpto"
tools = "tools"

push_eh no_root_perms
os."link"(tools, xpto)
pop_eh

.local pmc statvals
statvals = os.'stat'(tools)

# nlink
.local int nlink
nlink = statvals[3]

gt nlink, $prevnl, is_okay
end

no_root_perms:
.local pmc e
.local string message
.get_results( e )
pop_eh
message = e['message']
say message
end

is_okay:
say "ok"
end
.end
CODE
/link failed/
OUT

# Test umask
SKIP: {
    skip "umask not available under Windows", 1 if $MSWin32;

    my $umask = umask;
    pir_output_like( <<'CODE', <<"OUT", "Test umask" );
.sub main :main
$P1 = new ['OS']

$I0 = $P1.'umask'(0)
say $I0
$I1 = $P1.'umask'($I0)
say $I1
end
.end
CODE
/$umask
0
/
OUT
}

use English '$UID';

# Test chroot
SKIP: {
    skip "chroot not available under Windows", 1 if $MSWin32;
    skip "chroot not available if not root", 1 if $UID != 0;

    mkdir "my-super-chroot";
    chdir "my-super-chroot";
    symlink "loop", "loop";
    chdir "..";

    pir_error_output_like( <<'CODE', <<'OUT', "Test chroot" );
.sub main :main
$P1 = new ['OS']

$P1.'chdir'('my-super-chroot')
$P1.'chroot'('.')
$S0 = $P1.'cwd'()
say $S0

$P1.'chroot'('loop')
.end
CODE
/\/
chroot failed(: Too many levels of symbolic links)*
/
OUT
rmtree("my-super-chroot", 0, 1);
}

# test get_user_id
pir_output_is( <<'CODE', $UID, 'Test get_user_id' );
.sub main :main
$P1 = new ['OS']

$I0 = $P1."get_user_id"()
print $I0

end
.end
CODE

SKIP: {
    skip 'no file modes on Win32', 3 if ($MSWin32 || $cygwin);

    open my $fa, ">", "test_f_a";
    close $fa;

    open my $fb, ">", "test_f_b";
    close $fb;

    open my $fc, ">", "test_f_c";
    close $fc;

    chmod 0777, "test_f_a";
    chmod 0000, "test_f_b";

    # test chmod
    pir_output_is( <<'CODE', <<"OUT", 'Test chmod' );
    .sub main :main
            $P1 = new ['OS']

            $P1."chmod"("test_f_c", 420)
            say "ok"

            end
    .end
CODE
ok
OUT

    my $filemode = (stat("test_f_c"))[2] & 07777;
    ok($filemode == 420, "really did chmod");
    unlink "test_f_c";

    # test chmod
    pir_error_output_like( <<'CODE', <<"OUT", 'Test chmod' );
    .sub main :main
            $P1 = new ['OS']

            $P1."chmod"("this is another non-existent directory", 420)
            say "ok"

            end
    .end
CODE
/chmod failed/
OUT

}

my ($ra, $rb, $wa, $wb, $xa, $xb);

# test can_read
$ra = -r "README" ? 1 : 0;
pir_output_is( <<'CODE', <<"OUT", 'Test can_read' );
.sub main :main
    $P1 = new ['OS']

    $I0 = $P1."can_read"("README")
    say $I0

    end
.end
CODE
$ra
OUT

# test can_write
$wa = -w "test_f_a" ? 1 : 0;
$wb = -w "test_f_b" ? 1 : 0;
pir_output_is( <<'CODE', <<"OUT", 'Test can_write' );
.sub main :main
        $P1 = new ['OS']

        $I0 = $P1."can_write"("test_f_a")
        say $I0

        $I1 = $P1."can_write"("test_f_b")
        say $I1

        end
.end
CODE
$wa
$wb
OUT


# test can_execute
$xa = -x "README" ? 1 : 0;
my $parrot_exe_name = $MSWin32 ? "parrot.exe" : "parrot";
$xb = -x $parrot_exe_name ? 1 : 0;
pir_output_is( <<"CODE", <<"OUT", 'Test can_execute' );
.sub main :main
        \$P1 = new ['OS']

        \$I0 = \$P1."can_execute"("README")
        say \$I0

        \$I1 = \$P1."can_execute"("$parrot_exe_name")
        say \$I1

        end
.end
CODE
$xa
$xb
OUT

unlink "test_f_a", "test_f_b", "test_f_c";



# Local Variables:
# mode: cperl
# cperl-indent-level: 4
# fill-column: 100
# End:
# vim: expandtab shiftwidth=4:
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