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var hat = require('hat')
var Swarm = require('../lib/swarm')
var test = require('tape')
var infoHash = 'd2474e86c95b19b8bcfdb92bc12c9d44667cfa36'
var infoHash2 = 'd2474e86c95b19b8bcfdb92bc12c9d44667cfa37'
var peerId = new Buffer('-WW0001-' + hat(48), 'utf8').toString('hex')
var peerId2 = new Buffer('-WW0001-' + hat(48), 'utf8').toString('hex')
test('create swarm, check invariants', function (t) {
var swarm = new Swarm(infoHash, peerId)
t.equal(swarm.infoHash.toString('hex'), infoHash)
t.equal(swarm.peerId.toString('hex'), peerId)
t.equal(swarm.downloaded, 0)
t.equal(swarm.uploaded, 0)
t.ok(Array.isArray(swarm.wires))
t.equal(swarm.wires.length, 0)
t.end()
})
test('swarm listen(0) selects free port', function (t) {
t.plan(2)
var swarm = new Swarm(infoHash, peerId)
swarm.listen(0)
swarm.on('listening', function () {
var port = swarm.address().port
t.equal(typeof port, 'number', 'port is a number')
if (process.browser) {
t.equal(port, 0, 'port number is 0')
} else {
t.ok(port > 0 && port < 65535, 'valid port number')
}
swarm.destroy()
})
})
test('two swarms listen on same port (implicit)', function (t) {
t.plan(5)
// When no port is specified and listen is called twice, they should get assigned the same port.
var swarm1 = new Swarm(infoHash, peerId)
var swarm2 = new Swarm(infoHash2, peerId2)
var swarm1Port
var swarm2Port
function maybeDone () {
if (swarm1.listening && swarm2.listening) {
t.equal(swarm1Port, swarm2Port, 'swarms were given same port')
t.equal(typeof swarm1Port, 'number', 'port is a number')
if (process.browser) {
t.equal(swarm1Port, 0, 'port number is 0')
} else {
t.ok(swarm1Port > 0 && swarm1Port < 65535, 'valid port number')
}
t.equal(typeof swarm2Port, 'number', 'port is a number')
if (process.browser) {
t.equal(swarm2Port, 0, 'port number is 0')
} else {
t.ok(swarm2Port > 0 && swarm2Port < 65535, 'valid port number')
}
swarm1.destroy()
swarm2.destroy()
}
}
swarm1.listen(0, function () {
swarm1Port = swarm1.address().port
maybeDone()
})
swarm2.listen(0, function (port2) {
swarm2Port = swarm2.address().port
maybeDone()
})
})
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