#!./perl -w
BEGIN {
if( $ENV{PERL_CORE} ) {
chdir 't' if -d 't';
@INC = '../lib';
}
}
use Test::More;
my $TB = Test::More->builder;
plan tests => 115;
# We're going to override rename() later on but Perl has to see an override
# at compile time to honor it.
BEGIN { *CORE::GLOBAL::rename = sub { CORE::rename($_[0], $_[1]) }; }
use File::Copy;
use Config;
foreach my $code ("copy()", "copy('arg')", "copy('arg', 'arg', 'arg', 'arg')",
"move()", "move('arg')", "move('arg', 'arg', 'arg')"
)
{
eval $code;
like $@, qr/^Usage: /, "'$code' is a usage error";
}
for my $cross_partition_test (0..1) {
{
# Simulate a cross-partition copy/move by forcing rename to
# fail.
no warnings 'redefine';
*CORE::GLOBAL::rename = sub { 0 } if $cross_partition_test;
}
# First we create a file
open(F, ">file-$$") or die $!;
binmode F; # for DOSISH platforms, because test 3 copies to stdout
printf F "ok\n";
close F;
copy "file-$$", "copy-$$";
open(F, "copy-$$") or die $!;
$foo = <F>;
close(F);
is -s "file-$$", -s "copy-$$", 'copy(fn, fn): files of the same size';
is $foo, "ok\n", 'copy(fn, fn): same contents';
print("# next test checks copying to STDOUT\n");
binmode STDOUT unless $^O eq 'VMS'; # Copy::copy works in binary mode
# This outputs "ok" so its a test.
copy "copy-$$", \*STDOUT;
$TB->current_test($TB->current_test + 1);
unlink "copy-$$" or die "unlink: $!";
open(F,"file-$$");
copy(*F, "copy-$$");
open(R, "copy-$$") or die "open copy-$$: $!"; $foo = <R>; close(R);
is $foo, "ok\n", 'copy(*F, fn): same contents';
unlink "copy-$$" or die "unlink: $!";
open(F,"file-$$");
copy(\*F, "copy-$$");
close(F) or die "close: $!";
open(R, "copy-$$") or die; $foo = <R>; close(R) or die "close: $!";
is $foo, "ok\n", 'copy(\*F, fn): same contents';
unlink "copy-$$" or die "unlink: $!";
require IO::File;
$fh = IO::File->new(">copy-$$") or die "Cannot open copy-$$:$!";
binmode $fh or die $!;
copy("file-$$",$fh);
$fh->close or die "close: $!";
open(R, "copy-$$") or die; $foo = <R>; close(R);
is $foo, "ok\n", 'copy(fn, io): same contents';
unlink "copy-$$" or die "unlink: $!";
require FileHandle;
my $fh = FileHandle->new(">copy-$$") or die "Cannot open copy-$$:$!";
binmode $fh or die $!;
copy("file-$$",$fh);
$fh->close;
open(R, "copy-$$") or die $!; $foo = <R>; close(R);
is $foo, "ok\n", 'copy(fn, fh): same contents';
unlink "file-$$" or die "unlink: $!";
ok !move("file-$$", "copy-$$"), "move on missing file";
ok -e "copy-$$", ' target still there';
# Doesn't really matter what time it is as long as its not now.
my $time = 1000000000;
utime( $time, $time, "copy-$$" );
# Recheck the mtime rather than rely on utime in case we're on a
# system where utime doesn't work or there's no mtime at all.
# The destination file will reflect the same difficulties.
my $mtime = (stat("copy-$$"))[9];
ok move("copy-$$", "file-$$"), 'move';
ok -e "file-$$", ' destination exists';
ok !-e "copy-$$", ' source does not';
open(R, "file-$$") or die $!; $foo = <R>; close(R);
is $foo, "ok\n", 'contents preserved';
TODO: {
local $TODO = 'mtime only preserved on ODS-5 with POSIX dates and DECC$EFS_FILE_TIMESTAMPS enabled' if $^O eq 'VMS';
my $dest_mtime = (stat("file-$$"))[9];
is $dest_mtime, $mtime,
"mtime preserved by copy()".
($cross_partition_test ? " while testing cross-partition" : "");
}
# trick: create lib/ if not exists - not needed in Perl core
unless (-d 'lib') { mkdir 'lib' or die $!; }
copy "file-$$", "lib";
open(R, "lib/file-$$") or die $!; $foo = <R>; close(R);
is $foo, "ok\n", 'copy(fn, dir): same contents';
unlink "lib/file-$$" or die "unlink: $!";
# Do it twice to ensure copying over the same file works.
copy "file-$$", "lib";
open(R, "lib/file-$$") or die $!; $foo = <R>; close(R);
is $foo, "ok\n", 'copy over the same file works';
unlink "lib/file-$$" or die "unlink: $!";
{
my $warnings = '';
local $SIG{__WARN__} = sub { $warnings .= join '', @_ };
ok copy("file-$$", "file-$$"), 'copy(fn, fn) succeeds';
like $warnings, qr/are identical/, 'but warns';
ok -s "file-$$", 'contents preserved';
}
move "file-$$", "lib";
open(R, "lib/file-$$") or die "open lib/file-$$: $!"; $foo = <R>; close(R);
is $foo, "ok\n", 'move(fn, dir): same contents';
ok !-e "file-$$", 'file moved indeed';
unlink "lib/file-$$" or die "unlink: $!";
SKIP: {
skip "Testing symlinks", 3 unless $Config{d_symlink};
open(F, ">file-$$") or die $!;
print F "dummy content\n";
close F;
symlink("file-$$", "symlink-$$") or die $!;
my $warnings = '';
local $SIG{__WARN__} = sub { $warnings .= join '', @_ };
ok !copy("file-$$", "symlink-$$"), 'copy to itself (via symlink) fails';
like $warnings, qr/are identical/, 'emits a warning';
ok !-z "file-$$",
'rt.perl.org 5196: copying to itself would truncate the file';
unlink "symlink-$$" or die $!;
unlink "file-$$" or die $!;
}
SKIP: {
skip "Testing hard links", 3
if !$Config{d_link} or $^O eq 'MSWin32' or $^O eq 'cygwin';
open(F, ">file-$$") or die $!;
print F "dummy content\n";
close F;
link("file-$$", "hardlink-$$") or die $!;
my $warnings = '';
local $SIG{__WARN__} = sub { $warnings .= join '', @_ };
ok !copy("file-$$", "hardlink-$$"), 'copy to itself (via hardlink) fails';
like $warnings, qr/are identical/, 'emits a warning';
ok ! -z "file-$$",
'rt.perl.org 5196: copying to itself would truncate the file';
unlink "hardlink-$$" or die $!;
unlink "file-$$" or die $!;
}
open(F, ">file-$$") or die $!;
binmode F;
print F "this is file\n";
close F;
my $copy_msg = "this is copy\n";
open(F, ">copy-$$") or die $!;
binmode F;
print F $copy_msg;
close F;
my @warnings;
local $SIG{__WARN__} = sub { push @warnings, join '', @_ };
# pie-$$ so that we force a non-constant, else the numeric conversion (of 0)
# is cached and we don't get a warning the second time round
is eval { copy("file-$$", "copy-$$", "pie-$$"); 1 }, undef,
"a bad buffer size fails to copy";
like $@, qr/Bad buffer size for copy/, "with a helpful error message";
unless (is scalar @warnings, 1, "There is 1 warning") {
diag $_ foreach @warnings;
}
is -s "copy-$$", length $copy_msg, "but does not truncate the destination";
open(F, "copy-$$") or die $!;
$foo = <F>;
close(F);
is $foo, $copy_msg, "nor change the destination's contents";
unlink "file-$$" or die $!;
unlink "copy-$$" or die $!;
}
{
package Crash;
# a package overloaded suspiciously like IO::Scalar
use overload '""' => sub { ${$_[0]} };
use overload 'bool' => sub { 1 };
sub new {
my ($class, $name) = @_;
bless \$name, $class;
}
package Zowie;
# a different package overloaded suspiciously like IO::Scalar
use overload '""' => sub { ${$_[0]} };
use overload 'bool' => sub { 1 };
sub new {
my ($class, $name) = @_;
bless \$name, $class;
}
}
{
my $object = Crash->new('whack_eth');
my %what = (plain => "$object",
object1 => $object,
object2 => Zowie->new('whack_eth'),
object2 => Zowie->new('whack_eth'),
);
my @warnings;
local $SIG{__WARN__} = sub {
push @warnings, @_;
};
foreach my $left (qw(plain object1 object2)) {
foreach my $right (qw(plain object1 object2)) {
@warnings = ();
$! = 0;
is eval {copy $what{$left}, $what{$right}}, 1, "copy $left $right";
is $@, '', 'No croaking';
is $!, '', 'No system call errors';
is @warnings, 1, 'Exactly 1 warning';
like $warnings[0],
qr/'$object' and '$object' are identical \(not copied\)/,
'with the text we expect';
}
}
}
END {
1 while unlink "file-$$";
1 while unlink "lib/file-$$";
}