#!/usr/bin/perl -w

BEGIN {
    if( $ENV{PERL_CORE} ) {
        chdir 't';
        @INC = ('../lib', 'lib/');
    }
    else {
        unshift @INC, 't/lib/';
    }
}
chdir 't';

BEGIN {
	1 while unlink 'ecmdfile';
	# forcibly remove ecmddir/temp2, but don't import mkpath
	use File::Path ();
	File::Path::rmtree( 'ecmddir' );
}

BEGIN {
	use Test::More tests => 24;
	use File::Spec;
}

{
	# bad neighbor, but test_f() uses exit()
    *CORE::GLOBAL::exit = '';   # quiet 'only once' warning.
	*CORE::GLOBAL::exit = sub { return @_ };

	use_ok( 'ExtUtils::Command' );

	# get a file in the current directory, replace last char with wildcard 
	my $file;
	{
		local *DIR;
		opendir(DIR, File::Spec->curdir());
		while ($file = readdir(DIR)) {
			$file =~ s/\.\z// if $^O eq 'VMS';
			last if $file =~ /^\w/;
		}
	}


    # % means 'match one character' on VMS.  Everything else is ?
    my $match_char = $^O eq 'VMS' ? '%' : '?';
	($ARGV[0] = $file) =~ s/.\z/$match_char/;

	# this should find the file
	ExtUtils::Command::expand_wildcards();

	is( scalar @ARGV, 1, 'found one file' );
	like( $ARGV[0], qr/$file/, 'expanded wildcard ? successfully' );

	# try it with the asterisk now
	($ARGV[0] = $file) =~ s/.{3}\z/\*/;
	ExtUtils::Command::expand_wildcards();

	ok( (grep { qr/$file/ } @ARGV), 'expanded wildcard * successfully' );

	# concatenate this file with itself
	# be extra careful the regex doesn't match itself
    use TieOut;
	my $out = tie *STDOUT, 'TieOut';
	my $self = $0;
	unless (-f $self) {
	    my ($vol, $dirs, $file) = File::Spec->splitpath($self);
	    my @dirs = File::Spec->splitdir($dirs);
	    unshift(@dirs, File::Spec->updir);
	    $dirs = File::Spec->catdir(@dirs);
	    $self = File::Spec->catpath($vol, $dirs, $file);
	}
	@ARGV = ($self, $self);

	cat();
	is( scalar( $$out =~ s/use_ok\( 'ExtUtils::Command'//g), 2, 
		'concatenation worked' );

	# the truth value here is reversed -- Perl true is C false
	@ARGV = ( 'ecmdfile' );
	ok( test_f(), 'testing non-existent file' );

	@ARGV = ( 'ecmdfile' );
	cmp_ok( ! test_f(), '==', (-f 'ecmdfile'), 'testing non-existent file' );

	# these are destructive, have to keep setting @ARGV
	@ARGV = ( 'ecmdfile' );
	touch();

	@ARGV = ( 'ecmdfile' );
	ok( test_f(), 'now creating that file' );

	@ARGV = ( 'ecmdfile' );
	ok( -e $ARGV[0], 'created!' );

	my ($now) = time;
	utime ($now, $now, $ARGV[0]);
    sleep 2;

	# Just checking modify time stamp, access time stamp is set
	# to the beginning of the day in Win95.
    # There's a small chance of a 1 second flutter here.
    my $stamp = (stat($ARGV[0]))[9];
	cmp_ok( abs($now - $stamp), '<=', 1, 'checking modify time stamp' ) ||
      diag "mtime == $stamp, should be $now";

    SKIP: {
        if ($^O eq 'amigaos' || $^O eq 'os2' || $^O eq 'MSWin32' ||
            $^O eq 'NetWare' || $^O eq 'dos' || $^O eq 'cygwin'  ||
            $^O eq 'MacOS'
           ) {
            skip( "different file permission semantics on $^O", 3);
        }

        # change a file to execute-only
        @ARGV = ( 0100, 'ecmdfile' );
        ExtUtils::Command::chmod();

        is( ((stat('ecmdfile'))[2] & 07777) & 0700,
            0100, 'change a file to execute-only' );

        # change a file to read-only
        @ARGV = ( 0400, 'ecmdfile' );
        ExtUtils::Command::chmod();

        is( ((stat('ecmdfile'))[2] & 07777) & 0700,
            ($^O eq 'vos' ? 0500 : 0400), 'change a file to read-only' );

        # change a file to write-only
        @ARGV = ( 0200, 'ecmdfile' );
        ExtUtils::Command::chmod();

        is( ((stat('ecmdfile'))[2] & 07777) & 0700,
            ($^O eq 'vos' ? 0700 : 0200), 'change a file to write-only' );
    }

    # change a file to read-write
	@ARGV = ( 0600, 'ecmdfile' );
	ExtUtils::Command::chmod();

    is( ((stat('ecmdfile'))[2] & 07777) & 0700,
        ($^O eq 'vos' ? 0700 : 0600), 'change a file to read-write' );

	# mkpath
	@ARGV = ( File::Spec->join( 'ecmddir', 'temp2' ) );
	ok( ! -e $ARGV[0], 'temp directory not there yet' );

	mkpath();
	ok( -e $ARGV[0], 'temp directory created' );

	# copy a file to a nested subdirectory
	unshift @ARGV, 'ecmdfile';
	cp();

	ok( -e File::Spec->join( 'ecmddir', 'temp2', 'ecmdfile' ), 'copied okay' );

	# cp should croak if destination isn't directory (not a great warning)
	@ARGV = ( 'ecmdfile' ) x 3;
	eval { cp() };

	like( $@, qr/Too many arguments/, 'cp croaks on error' );

	# move a file to a subdirectory
	@ARGV = ( 'ecmdfile', 'ecmddir' );
	mv();

	ok( ! -e 'ecmdfile', 'moved file away' );
	ok( -e File::Spec->join( 'ecmddir', 'ecmdfile' ), 'file in new location' );

	# mv should also croak with the same wacky warning
	@ARGV = ( 'ecmdfile' ) x 3;

	eval { mv() };
	like( $@, qr/Too many arguments/, 'mv croaks on error' );

	# remove some files
	my @files = @ARGV = ( File::Spec->catfile( 'ecmddir', 'ecmdfile' ),
	File::Spec->catfile( 'ecmddir', 'temp2', 'ecmdfile' ) );
	rm_f();

	ok( ! -e $_, "removed $_ successfully" ) for (@ARGV);

	# rm_f dir
	@ARGV = my $dir = File::Spec->catfile( 'ecmddir' );
	rm_rf();
	ok( ! -e $dir, "removed $dir successfully" );
}

END {
	1 while unlink 'ecmdfile';
	File::Path::rmtree( 'ecmddir' );
}