#!./perl

BEGIN {
    chdir 't' if -d 't';
    if ($^O eq 'MacOS') { 
	@INC = qw(: ::lib ::macos:lib); 
    } else { 
	@INC = '.'; 
	push @INC, '../lib'; 
    }
    require Config; import Config;
    if ($Config{'extensions'} !~ /\bFile\/Glob\b/i) {
        print "1..0\n";
        exit 0;
    }
    print "1..10\n";
}
END {
    print "not ok 1\n" unless $loaded;
}

BEGIN {
    *CORE::GLOBAL::glob = sub { "Just another Perl hacker," };
}

BEGIN {
    if ("Just another Perl hacker," ne (<*>)[0]) {
        die <<EOMessage;
Your version of perl ($]) doesn't seem to allow extensions to override
the core glob operator.
EOMessage
    }
}

use File::Glob ':globally';
$loaded = 1;
print "ok 1\n";

$_ = $^O eq "MacOS" ? ":op:*.t" : "op/*.t";
my @r = glob;
print "not " if $_ ne ($^O eq "MacOS" ? ":op:*.t" : "op/*.t");
print "ok 2\n";

print "# |@r|\nnot " if @r < 3;
print "ok 3\n";

# check if <*/*> works
if ($^O eq "MacOS") {
    @r = <:*:*.t>;
} else {
    @r = <*/*.t>;
}
# at least t/global.t t/basic.t, t/taint.t
print "not " if @r < 3;
print "ok 4\n";
my $r = scalar @r;

# check if scalar context works
@r = ();
if ($^O eq "MacOS") {
    while (defined($_ = <:*:*.t>)) {
	#print "# $_\n";
	push @r, $_;
    }
} else {
    while (defined($_ = <*/*.t>)) {
	#print "# $_\n";
	push @r, $_;
    }
}
print "not " if @r != $r;
print "ok 5\n";

# check if list context works
@r = ();
if ($^O eq "MacOS") {
    for (<:*:*.t>) {
	#print "# $_\n";
	push @r, $_;
    }
} else {
    for (<*/*.t>) {
	#print "# $_\n";
	push @r, $_;
    }
}
print "not " if @r != $r;
print "ok 6\n";

# test if implicit assign to $_ in while() works
@r = ();
if ($^O eq "MacOS") {
    while (<:*:*.t>) {
	#print "# $_\n";
	push @r, $_;
    }
} else {
    while (<*/*.t>) {
	#print "# $_\n";
	push @r, $_;
    }
}
print "not " if @r != $r;
print "ok 7\n";

# test if explicit glob() gets assign magic too
my @s = ();
while (glob($^O eq 'MacOS' ? ':*:*.t' : '*/*.t')) {
    #print "# $_\n";
    push @s, $_;
}
print "not " if "@r" ne "@s";
print "ok 8\n";

# how about in a different package, like?
package Foo;
use File::Glob ':globally';
@s = ();
while (glob($^O eq 'MacOS' ? ':*:*.t' : '*/*.t')) {
    #print "# $_\n";
    push @s, $_;
}
print "not " if "@r" ne "@s";
print "ok 9\n";

# test if different glob ops maintain independent contexts
@s = ();
my $i = 0;
if ($^O eq "MacOS") {
    while (<:*:*.t>) {
	#print "# $_ <";
	push @s, $_;
	while (<:bas*:*.t>) {
	    #print " $_";
	    $i++;
	}
	#print " >\n";
    }
} else {
    while (<*/*.t>) {
	#print "# $_ <";
	push @s, $_;
	while (<bas*/*.t>) {
	    #print " $_";
	    $i++;
	}
	#print " >\n";
    }
}
print "not " if "@r" ne "@s" or not $i;
print "ok 10\n";