// Copyright JS Foundation and other contributors, http://js.foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

var devNum = 38;
var devQueue = [];
for (var i = 0; i < devNum; i++)
{
    devQueue.push(i);
}

for (var j = 0; j < devNum; j++)
{
    devQueue.shift();
    devQueue.unshift(1);
    devQueue.shift();
    assert(j + devQueue.length + 1  == devNum)
}

assert(devQueue.length == 0);