#!perl -T

use lib "t";
use TestTools;
use Test::More tests => 10;
use Device::USB;
use strict;
use warnings;

my $usb = Device::USB->new();
ok( defined $usb, "Object successfully created" );

my $bus = ($usb->list_busses())[0];
SKIP:
{
    skip "No installed USB buses", 9 unless defined $bus;
    can_ok( $bus, "list_devices_if" );

    eval { $bus->list_devices_if() };
    like( $@, qr/Missing predicate/, "Requires a predicate." );

    eval { $bus->list_devices_if( 1 ) };
    like( $@, qr/Predicate must be/, "Requires a code reference." );

    my $busses = $usb->list_busses();
    ok( defined $busses, "USB busses found" );

    my ($found_bus, $found_device) =
        TestTools::find_an_installed_device_and_bus( 0, @{$busses} );

    skip "No installed USB devices", 5 unless defined $found_device;

    my $vendor = $found_device->idVendor();
    my $product = $found_device->idProduct();

    my @devices = $found_bus->list_devices_if(
        sub { $_->idVendor() == $vendor && $_->idProduct() == $product }
    );
    my $device_count = @devices;

    ok( 0 < $device_count, "At least one device found" );
    my $matches = grep { $_->idVendor() == $vendor && $_->idProduct() == $product }
        @devices;
    is( $matches, $device_count, "All match vendor and product" );

    my @vendor_devices = $found_bus->list_devices_if(
        sub { $_->idVendor() == $vendor }
    );
    my $vdevice_count = @vendor_devices;

    ok( $device_count <= $vdevice_count, "At least one device found" );
    $matches = grep { $_->idVendor() == $vendor } @vendor_devices;
    is( $matches, $vdevice_count, "All match vendor" );

    my @all_devices = $found_bus->list_devices_if( sub { defined } );
    my $all_count = @all_devices;
    ok( $vdevice_count <= $all_count, "At least one device found" );
}