#! /usr/bin/env perl

# Path.t -- tests for module File::Path

use strict;

use Test::More tests => 165;

use Config;

use Fcntl ':mode';

use lib './t';

use FilePathTest qw(

    _run_for_warning

    _run_for_verbose

    _cannot_delete_safe_mode

    _verbose_expected

    create_3_level_subdirs

    cleanup_3_level_subdirs

);

use Errno qw(:POSIX);

use Carp;

BEGIN {

    use_ok('Cwd');

    use_ok('File::Path', qw(rmtree mkpath make_path remove_tree));

    use_ok('File::Spec::Functions');

}

my $Is_VMS = $^O eq 'VMS';

my $fchmod_supported = 0;

if (open my $fh, curdir()) {

    my ($perm) = (stat($fh))[2];

    $perm &= 07777;

    eval { $fchmod_supported = chmod( $perm, $fh); };

}

# first check for stupid permissions second for full, so we clean up

# behind ourselves

for my $perm (0111,0777) {

    my $path = catdir(curdir(), "mhx", "bar");

    mkpath($path);

    chmod $perm, "mhx", $path;

    my $oct = sprintf('0%o', $perm);

    ok(-d "mhx", "mkdir parent dir $oct");

    ok(-d $path, "mkdir child dir $oct");

    rmtree("mhx");

    ok(! -e "mhx", "mhx does not exist $oct");

}

# find a place to work

my ($error, $list, $file, $message);

my $tmp_base = catdir(

    curdir(),

    sprintf( 'test-%x-%x-%x', time, $$, rand(99999) ),

);

# invent some names

my @dir = (

    catdir($tmp_base, qw(a b)),

    catdir($tmp_base, qw(a c)),

    catdir($tmp_base, qw(z b)),

    catdir($tmp_base, qw(z c)),

);

# create them

my @created = mkpath([@dir]);

is(scalar(@created), 7, "created list of directories");

# pray for no race conditions blowing them out from under us

@created = mkpath([$tmp_base]);

is(scalar(@created), 0, "skipped making existing directory")

    or diag("unexpectedly recreated @created");

# create a file

my $file_name = catfile( $tmp_base, 'a', 'delete.me' );

my $file_count = 0;

if (open OUT, "> $file_name") {

    print OUT "this file may be deleted\n";

    close OUT;

    ++$file_count;

}

else {

    diag( "Failed to create file $file_name: $!" );

}

SKIP: {

    skip "cannot remove a file we failed to create", 1

        unless $file_count == 1;

    my $count = rmtree($file_name);

    is($count, 1, "rmtree'ed a file");

}

@created = mkpath('');

is(scalar(@created), 0, "Can't create a directory named ''");

my $dir;

my $dir2;

sub gisle {

    # background info: @_ = 1; !shift # gives '' not 0

    # Message-Id: <3C820CE6-4400-4E91-AF43-A3D19B356E68@activestate.com>

    # http://www.nntp.perl.org/group/perl.perl5.porters/2008/05/msg136625.html

    mkpath(shift, !shift, 0755);

}

sub count {

    opendir D, shift or return -1;

    my $count = () = readdir D;

    closedir D or return -1;

    return $count;

}

{

    mkdir 'solo', 0755;

    chdir 'solo';

    open my $f, '>', 'foo.dat';

    close $f;

    my $before = count(curdir());

    cmp_ok($before, '>', 0, "baseline $before");

    gisle('1st', 1);

    is(count(curdir()), $before + 1, "first after $before");

    $before = count(curdir());

    gisle('2nd', 1);

    is(count(curdir()), $before + 1, "second after $before");

    chdir updir();

    rmtree 'solo';

}

{

    mkdir 'solo', 0755;

    chdir 'solo';

    open my $f, '>', 'foo.dat';

    close $f;

    my $before = count(curdir());

    cmp_ok($before, '>', 0, "ARGV $before");

    {

        local @ARGV = (1);

        mkpath('3rd', !shift, 0755);

    }

    is(count(curdir()), $before + 1, "third after $before");

    $before = count(curdir());

    {

        local @ARGV = (1);

        mkpath('4th', !shift, 0755);

    }

    is(count(curdir()), $before + 1, "fourth after $before");

    chdir updir();

    rmtree 'solo';

}

SKIP: {

    # tests for rmtree() of ancestor directory

    my $nr_tests = 6;

    my $cwd = getcwd() or skip "failed to getcwd: $!", $nr_tests;

    my $dir  = catdir($cwd, 'remove');

    my $dir2 = catdir($cwd, 'remove', 'this', 'dir');

    skip "failed to mkpath '$dir2': $!", $nr_tests

        unless mkpath($dir2, {verbose => 0});

    skip "failed to chdir dir '$dir2': $!", $nr_tests

        unless chdir($dir2);

    rmtree($dir, {error => \$error});

    my $nr_err = @$error;

    is($nr_err, 1, "ancestor error");

    if ($nr_err) {

        my ($file, $message) = each %{$error->[0]};

        is($file, $dir, "ancestor named");

        my $ortho_dir = $^O eq 'MSWin32' ? File::Path::_slash_lc($dir2) : $dir2;

        $^O eq 'MSWin32' and $message

            =~ s/\A(cannot remove path when cwd is )(.*)\Z/$1 . File::Path::_slash_lc($2)/e;

        is($message, "cannot remove path when cwd is $ortho_dir", "ancestor reason");

        ok(-d $dir2, "child not removed");

        ok(-d $dir, "ancestor not removed");

    }

    else {

        fail( "ancestor 1");

        fail( "ancestor 2");

        fail( "ancestor 3");

        fail( "ancestor 4");

    }

    chdir $cwd;

    rmtree($dir);

    ok(!(-d $dir), "ancestor now removed");

};

my $count = rmtree({error => \$error});

is( $count, 0, 'rmtree of nothing, count of zero' );

is( scalar(@$error), 0, 'no diagnostic captured' );

@created = mkpath($tmp_base, 0);

is(scalar(@created), 0, "skipped making existing directories (old style 1)")

    or diag("unexpectedly recreated @created");

$dir = catdir($tmp_base,'C');

# mkpath returns unix syntax filespecs on VMS

$dir = VMS::Filespec::unixify($dir) if $Is_VMS;

@created = make_path($tmp_base, $dir);

is(scalar(@created), 1, "created directory (new style 1)");

is($created[0], $dir, "created directory (new style 1) cross-check");

@created = mkpath($tmp_base, 0, 0700);

is(scalar(@created), 0, "skipped making existing directories (old style 2)")

    or diag("unexpectedly recreated @created");

$dir2 = catdir($tmp_base,'D');

# mkpath returns unix syntax filespecs on VMS

$dir2 = VMS::Filespec::unixify($dir2) if $Is_VMS;

@created = make_path($tmp_base, $dir, $dir2);

is(scalar(@created), 1, "created directory (new style 2)");

is($created[0], $dir2, "created directory (new style 2) cross-check");

$count = rmtree($dir, 0);

is($count, 1, "removed directory unsafe mode");

my $expected_count = _cannot_delete_safe_mode($dir2) ? 0 : 1;

$count = rmtree($dir2, 0, 1);

is($count, $expected_count, "removed directory safe mode");

# mkdir foo ./E/../Y

# Y should exist

# existence of E is neither here nor there

$dir = catdir($tmp_base, 'E', updir(), 'Y');

@created =mkpath($dir);

cmp_ok(scalar(@created), '>=', 1, "made one or more dirs because of ..");

cmp_ok(scalar(@created), '<=', 2, "made less than two dirs because of ..");

ok( -d catdir($tmp_base, 'Y'), "directory after parent" );

@created = make_path(catdir(curdir(), $tmp_base));

is(scalar(@created), 0, "nothing created")

    or diag(@created);

$dir  = catdir($tmp_base, 'a');

$dir2 = catdir($tmp_base, 'z');

rmtree( $dir, $dir2,

    {

        error     => \$error,

        result    => \$list,

        keep_root => 1,

    }

);

is(scalar(@$error), 0, "no errors unlinking a and z");

is(scalar(@$list),  4, "list contains 4 elements")

    or diag("@$list");

ok(-d $dir,  "dir a still exists");

ok(-d $dir2, "dir z still exists");

$dir = catdir($tmp_base,'F');

# mkpath returns unix syntax filespecs on VMS

$dir = VMS::Filespec::unixify($dir) if $Is_VMS;

@created = mkpath($dir, undef, 0770);

is(scalar(@created), 1, "created directory (old style 2 verbose undef)");

is($created[0], $dir, "created directory (old style 2 verbose undef) cross-check");

is(rmtree($dir, undef, 0), 1, "removed directory 2 verbose undef");

@created = mkpath($dir, undef);

is(scalar(@created), 1, "created directory (old style 2a verbose undef)");

is($created[0], $dir, "created directory (old style 2a verbose undef) cross-check");

is(rmtree($dir, undef), 1, "removed directory 2a verbose undef");

@created = mkpath($dir, 0, undef);

is(scalar(@created), 1, "created directory (old style 3 mode undef)");

is($created[0], $dir, "created directory (old style 3 mode undef) cross-check");

is(rmtree($dir, 0, undef), 1, "removed directory 3 verbose undef");

SKIP: {

    skip "fchmod of directories not supported on this platform", 3 unless $fchmod_supported;

    $dir = catdir($tmp_base,'G');

    $dir = VMS::Filespec::unixify($dir) if $Is_VMS;

    @created = mkpath($dir, undef, 0400);

    is(scalar(@created), 1, "created read-only dir");

    is($created[0], $dir, "created read-only directory cross-check");

    is(rmtree($dir), 1, "removed read-only dir");

}

# borderline new-style heuristics

if (chdir $tmp_base) {

    pass("chdir to temp dir");

}

else {

    fail("chdir to temp dir: $!");

}

$dir   = catdir('a', 'd1');

$dir2  = catdir('a', 'd2');

@created = make_path( $dir, 0, $dir2 );

is(scalar @created, 3, 'new-style 3 dirs created');

$count = remove_tree( $dir, 0, $dir2, );

is($count, 3, 'new-style 3 dirs removed');

@created = make_path( $dir, $dir2, 1 );

is(scalar @created, 3, 'new-style 3 dirs created (redux)');

$count = remove_tree( $dir, $dir2, 1 );

is($count, 3, 'new-style 3 dirs removed (redux)');

@created = make_path( $dir, $dir2 );

is(scalar @created, 2, 'new-style 2 dirs created');

$count = remove_tree( $dir, $dir2 );

is($count, 2, 'new-style 2 dirs removed');

$dir = catdir("a\nb", 'd1');

$dir2 = catdir("a\nb", 'd2');

SKIP: {

  # Better to search for *nix derivatives?

  # Not sure what else doesn't support newline in paths

  skip "$^O doesn't allow newline in paths", 2

    if $^O =~ m/^(MSWin32|VMS)$/;

  @created = make_path( $dir, $dir2 );

  is(scalar @created, 3, 'new-style 3 dirs created in parent with newline');

  $count = remove_tree( $dir, $dir2 );

  is($count, 2, 'new-style 2 dirs removed in parent with newline');

}

if (chdir updir()) {

    pass("chdir parent");

}

else {

    fail("chdir parent: $!");

}

SKIP: {

    # test bug http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=487319

    skip "Don't need Force_Writeable semantics on $^O", 6

        if grep {$^O eq $_} qw(amigaos dos epoc MSWin32 MacOS os2);

    skip "Symlinks not available", 6 unless $Config{d_symlink};

    $dir  = 'bug487319';

    $dir2 = 'bug487319-symlink';

    @created = make_path($dir, {mask => 0700});

    is( scalar @created, 1, 'bug 487319 setup' );

    symlink($dir, $dir2);

    ok(-e $dir2, "debian bug 487319 setup symlink") or diag($dir2);

    chmod 0500, $dir;

    my $mask_initial = (stat $dir)[2];

    remove_tree($dir2);

    my $mask = (stat $dir)[2];

    is( $mask, $mask_initial, 'mask of symlink target dir unchanged (debian bug 487319)');

    # now try a file

    #my $file = catfile($dir, 'file');

    my $file  = 'bug487319-file';

    my $file2 = 'bug487319-file-symlink';

    open my $out, '>', $file;

    close $out;

    ok(-e $file, 'file exists');

    chmod 0500, $file;

    $mask_initial = (stat $file)[2];

    symlink($file, $file2);

    ok(-e $file2, 'file2 exists');

    remove_tree($file2);

    $mask = (stat $file)[2];

    is( $mask, $mask_initial, 'mask of symlink target file unchanged (debian bug 487319)');

    remove_tree($dir);

    remove_tree($file);

}

# see what happens if a file exists where we want a directory

SKIP: {

    my $entry = catfile($tmp_base, "file");

    skip "VMS can have a file and a directory with the same name.", 4

        if $Is_VMS;

    skip "Cannot create $entry", 4 unless open OUT, "> $entry";

    print OUT "test file, safe to delete\n", scalar(localtime), "\n";

    close OUT;

    ok(-e $entry, "file exists in place of directory");

    mkpath( $entry, {error => \$error} );

    is( scalar(@$error), 1, "caught error condition" );

    ($file, $message) = each %{$error->[0]};

    is( $entry, $file, "and the message is: $message");

    eval {@created = mkpath($entry, 0, 0700)};

    $error = $@;

    chomp $error; # just to remove silly # in TAP output

    cmp_ok( $error, 'ne', "", "no directory created (old-style) err=$error" )

        or diag(@created);

}

{

    $dir = catdir($tmp_base, 'ZZ');

    @created = mkpath($dir);

    is(scalar(@created), 1, "create a ZZ directory");

    local @ARGV = ($dir);

    rmtree( [grep -e $_, @ARGV], 0, 0 );

    ok(!-e $dir, "blow it away via \@ARGV");

}

SKIP : {

    my $skip_count = 18;

    # this test will fail on Windows, as per:

    #   http://perldoc.perl.org/perlport.html#chmod

    skip "Windows chmod test skipped", $skip_count

        if $^O eq 'MSWin32';

    skip "fchmod() on directories is not supported on this platform", $skip_count

        unless $fchmod_supported;

    my $mode;

    my $octal_mode;

    my @inputs = (

      0777, 0700, 0470, 0407,

      0433, 0400, 0430, 0403,

      0111, 0100, 0110, 0101,

      0731, 0713, 0317, 0371,

      0173, 0137);

    my $input;

    my $octal_input;

    foreach (@inputs) {

        $input = $_;

        $dir = catdir($tmp_base, sprintf("chmod_test%04o", $input));

        # We can skip from here because 0 is last in the list.

        skip "Mode of 0 means assume user defaults on VMS", 1

          if ($input == 0 && $Is_VMS);

        @created = mkpath($dir, {chmod => $input});

        $mode = (stat($dir))[2];

        $octal_mode = S_IMODE($mode);

        $octal_input = sprintf "%04o", S_IMODE($input);

        SKIP: {

	    skip "permissions are not fully supported by the filesystem", 1

                if (($^O eq 'MSWin32' || $^O eq 'cygwin') && ((Win32::FsType())[1] & 8) == 0);

            is($octal_mode,$input, "create a new directory with chmod $input ($octal_input)");

	    }

        rmtree( $dir );

    }

}

my $dir_base = catdir($tmp_base,'output');

my $dir_a    = catdir($dir_base, 'A');

my $dir_b    = catdir($dir_base, 'B');

is(_run_for_verbose(sub {@created = mkpath($dir_a, 1)}),

    _verbose_expected('mkpath', $dir_base, 0, 1)

    . _verbose_expected('mkpath', $dir_a, 0),

    'mkpath verbose (old style 1)'

);

is(_run_for_verbose(sub {@created = mkpath([$dir_b], 1)}),

    _verbose_expected('mkpath', $dir_b, 0),

    'mkpath verbose (old style 2)'

);

my $verbose_expected;

# Must determine expectations while directories still exist.

$verbose_expected = _verbose_expected('rmtree', $dir_a, 1)

                  . _verbose_expected('rmtree', $dir_b, 1);

is(_run_for_verbose(sub {$count = rmtree([$dir_a, $dir_b], 1, 1)}),

    $verbose_expected,

    'rmtree verbose (old style)'

);

# In case we didn't delete them in safe mode.

rmtree($dir_a) if -d $dir_a;

rmtree($dir_b) if -d $dir_b;

is(_run_for_verbose(sub {@created = mkpath( $dir_a,

                                            {verbose => 1, mask => 0750})}),

    _verbose_expected('mkpath', $dir_a, 0),

    'mkpath verbose (new style 1)'

);

is(_run_for_verbose(sub {@created = mkpath($dir_b, 1, 0771)}),

    _verbose_expected('mkpath', $dir_b, 0),

    'mkpath verbose (new style 2)'

);

$verbose_expected = _verbose_expected('rmtree', $dir_a, 1)

                  . _verbose_expected('rmtree', $dir_b, 1);

is(_run_for_verbose(sub {$count = rmtree([$dir_a, $dir_b], 1, 1)}),

    $verbose_expected,

    'again: rmtree verbose (old style)'

);

rmtree($dir_a) if -d $dir_a;

rmtree($dir_b) if -d $dir_b;

is(_run_for_verbose(sub {@created = make_path( $dir_a, $dir_b,

                                               {verbose => 1, mode => 0711});}),

      _verbose_expected('make_path', $dir_a, 1)

    . _verbose_expected('make_path', $dir_b, 1),

    'make_path verbose with final hashref'

);

$verbose_expected = _verbose_expected('remove_tree', $dir_a, 0)

                  . _verbose_expected('remove_tree', $dir_b, 0);

is(_run_for_verbose(sub {@created = remove_tree( $dir_a, $dir_b,

                                                 {verbose => 1});}),

    $verbose_expected,

    'remove_tree verbose with final hashref'

);

rmtree($dir_a) if -d $dir_a;

rmtree($dir_b) if -d $dir_b;

# Have to re-create these 2 directories so that next block is not skipped.

@created = make_path(

    $dir_a,

    $dir_b,

    { mode => 0711 }

);

is(@created, 2, "2 directories created");

SKIP: {

    $file = catfile($dir_b, "file");

    skip "Cannot create $file", 2 unless open OUT, "> $file";

    print OUT "test file, safe to delete\n", scalar(localtime), "\n";

    close OUT;

    $verbose_expected = _verbose_expected('rmtree', $dir_a, 1)

                      . _verbose_expected('unlink', $file, 0)

                      . _verbose_expected('rmtree', $dir_b, 1);

    ok(-e $file, "file created in directory");

    is(_run_for_verbose(sub {$count = rmtree( $dir_a, $dir_b,

                                              {verbose => 1, safe => 1})}),

        $verbose_expected,

        'rmtree safe verbose (new style)'

    );

    rmtree($dir_a) if -d $dir_a;

    rmtree($dir_b) if -d $dir_b;

}

{

    my $base = catdir( $tmp_base, 'output2');

    my $dir  = catdir( $base, 'A');

    my $dir2 = catdir( $base, 'B');

    {

        my $warn = _run_for_warning( sub {

            my @created = make_path(

                $dir,

                $dir2,

                { mode => 0711, foo => 1, bar => 1 }

            );

        } );

        like($warn,

            qr/Unrecognized option\(s\) passed to mkpath\(\) or make_path\(\):.*?bar.*?foo/,

            'make_path with final hashref warned due to unrecognized options'

        );

    }

    {

        my $warn = _run_for_warning( sub {

            my @created = remove_tree(

                $dir,

                $dir2,

                { foo => 1, bar => 1 }

            );

        } );

        like($warn,

            qr/Unrecognized option\(s\) passed to remove_tree\(\):.*?bar.*?foo/,

            'remove_tree with final hashref failed due to unrecognized options'

        );

    }

}

SKIP: {

    my $nr_tests = 6;

    my $cwd = getcwd() or skip "failed to getcwd: $!", $nr_tests;

    rmtree($tmp_base, {result => \$list} );

    is(ref($list), 'ARRAY', "received a final list of results");

    ok( !(-d $tmp_base), "test base directory gone" );

    my $p = getcwd();

    my $x = "x$$";

    my $xx = $x . "x";

    # setup

    ok(mkpath($xx), "make $xx");

    ok(chdir($xx), "... and chdir $xx");

    END {

#         ok(chdir($p), "... now chdir $p");

#         ok(rmtree($xx), "... and finally rmtree $xx");

       chdir($p);

       rmtree($xx);

    }

    # create and delete directory

    my $px = catdir($p, $x);

    ok(mkpath($px), 'create and delete directory 2.07');

    ok(rmtree($px), '.. rmtree fails in File-Path-2.07');

    chdir updir();

}

my $windows_dir = 'C:\Path\To\Dir';

my $expect = 'c:/path/to/dir';

is(

    File::Path::_slash_lc($windows_dir),

    $expect,

    "Windows path unixified as expected"

);

{

    my ($x, $message, $object, $expect, $rv, $arg, $error);

    my ($k, $v, $second_error, $third_error);

    local $! = ENOENT;

    $x = $!;

    $message = 'message in a bottle';

    $object = '/path/to/glory';

    $expect = "$message for $object: $x";

    $rv = _run_for_warning( sub {

        File::Path::_error(

            {},

            $message,

            $object

        );

    } );

    like($rv, qr/^$expect/,

        "no \$arg->{error}: defined 2nd and 3rd args: got expected error message");

    $object = undef;

    $expect = "$message: $x";

    $rv = _run_for_warning( sub {

        File::Path::_error(

            {},

            $message,

            $object

        );

    } );

    like($rv, qr/^$expect/,

        "no \$arg->{error}: defined 2nd arg; undefined 3rd arg: got expected error message");

    $message = 'message in a bottle';

    $object = undef;

    $expect = "$message: $x";

    $arg = { error => \$error };

    File::Path::_error(

        $arg,

        $message,

        $object

    );

    is(ref($error->[0]), 'HASH',

        "first element of array inside \$error is hashref");

    ($k, $v) = %{$error->[0]};

    is($k, '', 'key of hash is empty string, since 3rd arg was undef');

    is($v, $expect, "value of hash is 2nd arg: $message");

    $message = '';

    $object = '/path/to/glory';

    $expect = "$message: $x";

    $arg = { error => \$second_error };

    File::Path::_error(

        $arg,

        $message,

        $object

    );

    is(ref($second_error->[0]), 'HASH',

        "first element of array inside \$second_error is hashref");

    ($k, $v) = %{$second_error->[0]};

    is($k, $object, "key of hash is '$object', since 3rd arg was defined");

    is($v, $expect, "value of hash is 2nd arg: $message");

    $message = '';

    $object = undef;

    $expect = "$message: $x";

    $arg = { error => \$third_error };

    File::Path::_error(

        $arg,

        $message,

        $object

    );

    is(ref($third_error->[0]), 'HASH',

        "first element of array inside \$third_error is hashref");

    ($k, $v) = %{$third_error->[0]};

    is($k, '', "key of hash is empty string, since 3rd arg was undef");

    is($v, $expect, "value of hash is 2nd arg: $message");

}

{

    # https://rt.cpan.org/Ticket/Display.html?id=117019

    # remove_tree(): Permit re-use of options hash without issuing a warning

    my ($least_deep, $next_deepest, $deepest) =

        create_3_level_subdirs( qw| ZoYhvc6RmGnl S2CrQ0lju0o7 lvOqVYWpfhcP | );

    my @created;

    @created = File::Path::make_path($deepest, { mode => 0711 });

    is(scalar(@created), 3, "Created 3 subdirectories");

    my $x = '';

    my $opts = { error => \$x };

    File::Path::remove_tree($deepest, $opts);

    ok(! -d $deepest, "directory '$deepest' removed, as expected");

    my $warn;

    $warn = _run_for_warning( sub { File::Path::remove_tree($next_deepest, $opts); } );

    ok(! $warn, "CPAN 117019: No warning thrown when re-using \$opts");

    ok(! -d $next_deepest, "directory '$next_deepest' removed, as expected");

    $warn = _run_for_warning( sub { File::Path::remove_tree($least_deep, $opts); } );

    ok(! $warn, "CPAN 117019: No warning thrown when re-using \$opts");

    ok(! -d $least_deep, "directory '$least_deep' removed, as expected");

}

{

    # Corner cases with respect to arguments provided to functions

    my $count;

    $count = remove_tree();

    is($count, 0,

        "If not provided with any paths, remove_tree() will return a count of 0 things deleted");

    $count = remove_tree('');

    is($count, 0,

        "If not provided with any paths, remove_tree() will return a count of 0 things deleted");

    my $warn;

    $warn = _run_for_warning( sub { $count = rmtree(); } );

    like($warn, qr/No root path\(s\) specified/s, "Got expected carp");

    is($count, 0,

        "If not provided with any paths, remove_tree() will return a count of 0 things deleted");

    $warn = _run_for_warning( sub {$count = rmtree(undef); } );

    like($warn, qr/No root path\(s\) specified/s, "Got expected carp");

    is($count, 0,

        "If provided only with an undefined value, remove_tree() will return a count of 0 things deleted");

    $warn = _run_for_warning( sub {$count = rmtree(''); } );

    like($warn, qr/No root path\(s\) specified/s, "Got expected carp");

    is($count, 0,

        "If provided with an empty string for a path, remove_tree() will return a count of 0 things deleted");

    $count = make_path();

    is($count, 0,

        "If not provided with any paths, make_path() will return a count of 0 things created");

    $count = mkpath();

    is($count, 0,

        "If not provided with any paths, make_path() will return a count of 0 things created");

}

SKIP: {

    my $skip_count = 3;

    skip "Windows will not set this error condition", $skip_count

        if $^O eq 'MSWin32';

    # mkpath() with hashref:  case of phony user

    my ($least_deep, $next_deepest, $deepest) =

        create_3_level_subdirs( qw| Hhu1KpF4EVAV vUj5k37bih8v Vkdw02POXJxj | );

    my (@created, $error);

    my $user = join('_' => 'foobar', $$);

    @created = mkpath($deepest, { mode => 0711, user => $user, error => \$error });

#    TODO: {

#        local $TODO = "Notwithstanding the phony 'user', mkpath will actually create subdirectories; should it?";

#        is(scalar(@created), 0, "No subdirectories created");

#    }

    is(scalar(@$error), 1, "caught error condition" );

    my ($file, $message) = each %{$error->[0]};

    like($message,

        qr/unable to map $user to a uid, ownership not changed/s,

        "Got expected error message for phony user",

    );

    cleanup_3_level_subdirs($least_deep);

}

{

    # mkpath() with hashref:  case of valid uid

    my ($least_deep, $next_deepest, $deepest) =

        create_3_level_subdirs( qw| b5wj8CJcc7gl XTJe2C3WGLg5 VZ_y2T0XfKu3 | );

    my (@created, $error);

    @created = mkpath($deepest, { mode => 0711, uid => $>, error => \$error });

    is(scalar(@created), 3, "Provide valid 'uid' argument: 3 subdirectories created");

    cleanup_3_level_subdirs($least_deep);

}

SKIP: {

    my $skip_count = 3;

    skip "getpwuid() and getgrgid() not implemented on Windows", $skip_count

        if $^O eq 'MSWin32';

    # mkpath() with hashref:  case of valid owner

    my ($least_deep, $next_deepest, $deepest) =

        create_3_level_subdirs( qw| aiJEDKaAEH25 nqhXsBM_7_bv qfRj4cur4Jrs | );

    my (@created, $error);

    my $name = getpwuid($>);

    @created = mkpath($deepest, { mode => 0711, owner => $name, error => \$error });

    is(scalar(@created), 3, "Provide valid 'owner' argument: 3 subdirectories created");

    cleanup_3_level_subdirs($least_deep);

}

SKIP: {

    my $skip_count = 5;

    skip "Windows will not set this error condition", $skip_count

        if $^O eq 'MSWin32';

    # mkpath() with hashref:  case of phony group

    my ($least_deep, $next_deepest, $deepest) =

        create_3_level_subdirs( qw| nOR4lGRMdLvz NnwkEHEVL5li _3f1Kv6q77yA | );

    my (@created, $error);

    my $bad_group = join('_' => 'foobarbaz', $$);

    @created = mkpath($deepest, { mode => 0711, group => $bad_group, error => \$error });