You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
1.8 KiB
JavaScript
88 lines
1.8 KiB
JavaScript
var varint = require('./index')
|
|
, test = require('tape')
|
|
|
|
test('fuzz test', function(assert) {
|
|
var vi = varint()
|
|
, expect
|
|
, encoded
|
|
|
|
vi.on('data', function(data) {
|
|
assert.equal(expect, data, 'fuzz test: '+expect.toString(16))
|
|
})
|
|
|
|
for(var i = 0, len = 100; i < len; ++i) {
|
|
expect = randint(0x7FFFFFFF)
|
|
encoded = varint.encode(expect)
|
|
|
|
for(var x = 0; x < encoded.length; ++x) {
|
|
vi.write(encoded[x])
|
|
}
|
|
}
|
|
|
|
assert.end()
|
|
})
|
|
|
|
test('test single byte works as expected', function(assert) {
|
|
var num = [0xAC, 0x02]
|
|
var acc = varint()
|
|
|
|
acc.on('data', function(data) {
|
|
assert.equal(data, 300, 'should equal 300 every time')
|
|
})
|
|
|
|
for(var i = 0, len = 10; i < len; ++i) {
|
|
acc.write(0xAC)
|
|
acc.write(0x02)
|
|
}
|
|
|
|
assert.end()
|
|
})
|
|
|
|
test('test encode works as expected', function(assert) {
|
|
var out = []
|
|
|
|
assert.deepEqual(varint.encode(300), [0xAC, 0x02])
|
|
|
|
assert.end()
|
|
})
|
|
|
|
test('test decode single bytes', function(assert) {
|
|
var vi = varint()
|
|
, expected = randint(parseInt('1111111', '2'))
|
|
|
|
vi.once('data', function(data) {
|
|
assert.equal(data, expected)
|
|
assert.end()
|
|
})
|
|
|
|
vi.write(expected)
|
|
})
|
|
|
|
test('test decode multiple bytes with zero', function(assert) {
|
|
var vi = varint()
|
|
, expected = randint(parseInt('1111111', '2'))
|
|
|
|
vi.once('data', function(data) {
|
|
assert.equal(data, expected << 7)
|
|
assert.end()
|
|
})
|
|
|
|
vi.write(0x80)
|
|
vi.write(expected)
|
|
})
|
|
|
|
test('encode single byte', function(assert) {
|
|
var expected = randint(parseInt('1111111', '2'))
|
|
assert.deepEqual(varint.encode(expected), [expected])
|
|
assert.end()
|
|
})
|
|
|
|
test('encode multiple byte with zero first byte', function(assert) {
|
|
var expected = 0x0F00
|
|
assert.deepEqual(varint.encode(expected), [0x80, 0x1E])
|
|
})
|
|
|
|
function randint(range) {
|
|
return ~~(Math.random() * range)
|
|
}
|