extensions/test/data/api_test/usb/invalid_timeout/test.js

// Copyright (c) 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

var usb = chrome.usb;

var genericTransfer = {
  "direction": "in",
  "endpoint": 1,
  "length": 0,
  "timeout": -1
};
var controlTransfer = {
  "index": 0,
  "direction": "in",
  "requestType": "standard",
  "recipient": "device",
  "request": 0,
  "value": 0,
  "length": 0,
  "timeout": -1
};
var isoTransfer = {
  "packetLength": 0,
  "transferInfo": genericTransfer,
  "packets": 0
};
var errorTimeout = 'Transfer timeout must be greater than or equal to 0.';

function createInvalidTransferTest(usbFunction, transferInfo) {
  return function() {
    usb.findDevices({vendorId: 0, productId: 0}, function(devices) {
      var device = devices[0];
      usbFunction(device, transferInfo, chrome.test.callbackFail(errorTimeout));
    });
  };
}

var tests = [
  createInvalidTransferTest(usb.bulkTransfer, genericTransfer),
  createInvalidTransferTest(usb.controlTransfer, controlTransfer),
  createInvalidTransferTest(usb.interruptTransfer, genericTransfer),
  createInvalidTransferTest(usb.isochronousTransfer, isoTransfer),
];

chrome.test.runTests(tests);