File: 09_fork.t

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libfile-remove-perl 1.60-1
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#!/usr/bin/perl

# Ensure that we don't prematurely END-time delete due to forking

use strict;
use warnings;

use Test::More tests => 8;
use File::Spec::Functions ':ALL';
use File::Remove ();

# Create a directory
my $parent = catdir( 't', '09_fork_parent' );
my $child  = catdir( 't', '09_fork_child' );
File::Remove::clear($parent);
File::Remove::remove($child);

# TEST
ok( !-d $parent, 'Parent directory does not exist' );

# TEST
ok( !-d $child, 'Child directory does not exist' );

# TEST
ok( mkdir( $parent, 0777 ), 'Created directory' );

# TEST
ok( -d $parent, 'Directory exists' );

# Fork the test
my $pid = fork();
unless ($pid)
{
    # Create a child-owned directory and flag for deletion
    File::Remove::clear($child);
    mkdir( $child, 0777 );
    sleep(2);

    # Exit from the child to stimulate END-time code
    exit(0);
}

# In the parent, wait 1 second for process to spawn
# and create the child directory
sleep(1);

# TEST
ok( -d $child, 'Child directory created (by forked child)' );

# Wait for the child to exit
my $caught = wait();

# TEST
is( $pid, $caught, 'The child exited' );
sleep(1);    # Give a chance for flakey windows to delete directory

# TEST
ok( -d $parent, 'Parent directory still exists' );

# TEST
ok( !-d $child, 'Child directory is removed' );