Sha256: 58cc020be560baf819c71591c59242c1ececa328668bb2e5f5981ced58bc56eb
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Versions: 12
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Contents
# This file is part of Libusb for Ruby.
#
# Libusb for Ruby is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Libusb for Ruby is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Libusb for Ruby. If not, see <http://www.gnu.org/licenses/>.
require "minitest/autorun"
require "libusb"
class TestLibusbIsoTransfer < Minitest::Test
include LIBUSB
def setup
c = Context.new
begin
@dev = c.devices.first.open
rescue LIBUSB::ERROR_ACCESS
@dev = nil
skip "error opening device"
end
end
def teardown
@dev.close if @dev
end
def test_iso_transfer
tr = IsochronousTransfer.new 10, dev_handle: @dev
assert_equal 10, tr.num_packets, "number of packets should match"
tr.buffer = " "*130
tr.packet_lengths = 13
tr[7].length = 12
assert_equal 12, tr[7].length, "packet length should be set"
assert_equal 13, tr[8].length, "packet length should be set"
assert_raises(LIBUSB::ERROR_IO, "the randomly choosen device will probably not handle iso transfer") do
tr.submit!
end
end
def test_max_alt_packet_size
d = Context.new.devices[0]
size = d.max_alt_packet_size d.interfaces[0], d.settings[0], d.endpoints[0]
assert_operator 0, :<=, size
end
end
Version data entries
12 entries across 12 versions & 1 rubygems