[apps/tidep0084.git] / prebuilt / iot-gateway / node_modules / signed-varint / node_modules / varint / test.js
diff --git a/prebuilt/iot-gateway/node_modules/signed-varint/node_modules/varint/test.js b/prebuilt/iot-gateway/node_modules/signed-varint/node_modules/varint/test.js
+++ /dev/null
@@ -1,136 +0,0 @@
-var varint = require('./index')
- , test = require('tape')
- , decode = varint.decode
- , encode = varint.encode
- , encodingLength = varint.encodingLength
-
-test('fuzz test', function(assert) {
- var expect
- , encoded
-
- for(var i = 0, len = 100; i < len; ++i) {
- expect = randint(0x7FFFFFFF)
- encoded = encode(expect)
- var data = decode(encoded)
- assert.equal(expect, data, 'fuzz test: ' + expect.toString())
- assert.equal(decode.bytes, encoded.length)
- }
-
- assert.end()
-})
-
-test('test single byte works as expected', function(assert) {
- var buf = new Uint8Array(2)
- buf[0] = 172
- buf[1] = 2
- var data = decode(buf)
- assert.equal(data, 300, 'should equal 300')
- assert.equal(decode.bytes, 2)
- assert.end()
-})
-
-test('test encode works as expected', function(assert) {
- var out = []
-
- assert.deepEqual(encode(300), [0xAC, 0x02])
-
- assert.end()
-})
-
-test('test decode single bytes', function(assert) {
- var expected = randint(parseInt('1111111', '2'))
- var buf = new Uint8Array(1)
- buf[0] = expected
- var data = decode(buf)
- assert.equal(data, expected)
- assert.equal(decode.bytes, 1)
- assert.end()
-})
-
-test('test decode multiple bytes with zero', function(assert) {
- var expected = randint(parseInt('1111111', '2'))
- var buf = new Uint8Array(2)
- buf[0] = 128
- buf[1] = expected
- var data = decode(buf)
- assert.equal(data, expected << 7)
- assert.equal(decode.bytes, 2)
- assert.end()
-})
-
-test('encode single byte', function(assert) {
- var expected = randint(parseInt('1111111', '2'))
- assert.deepEqual(encode(expected), [expected])
- assert.equal(encode.bytes, 1)
- assert.end()
-})
-
-test('encode multiple byte with zero first byte', function(assert) {
- var expected = 0x0F00
- assert.deepEqual(encode(expected), [0x80, 0x1E])
- assert.equal(encode.bytes, 2)
- assert.end()
-})
-
-test('big integers', function (assert) {
-
- var bigs = []
- for(var i = 32; i <= 53; i++) (function (i) {
- bigs.push(Math.pow(2, i) - 1)
- bigs.push(Math.pow(2, i))
- })(i)
-
- bigs.forEach(function (n) {
- var data = encode(n)
- console.error(n, '->', data)
- assert.equal(decode(data), n)
- assert.notEqual(decode(data), n - 1)
- })
- assert.end()
-})
-
-test('fuzz test - big', function(assert) {
- var expect
- , encoded
-
- var MAX_INTD = Math.pow(2, 55)
- var MAX_INT = Math.pow(2, 31)
-
- for(var i = 0, len = 100; i < len; ++i) {
- expect = randint(MAX_INTD - MAX_INT) + MAX_INT
- encoded = encode(expect)
- var data = decode(encoded)
- assert.equal(expect, data, 'fuzz test: ' + expect.toString())
- assert.equal(decode.bytes, encoded.length)
- }
-
- assert.end()
-})
-
-test('encodingLength', function (assert) {
-
- for(var i = 0; i <= 53; i++) {
- var n = Math.pow(2, i)
- assert.equal(encode(n).length, encodingLength(n))
- }
-
- assert.end()
-})
-
-test('buffer too short', function (assert) {
-
- var value = encode(9812938912312)
- var buffer = encode(value)
-
- var l = buffer.length
- while(l--) {
- var val = decode(buffer.slice(0, l))
- assert.equal(val, undefined)
- assert.equal(decode.bytesRead, 0)
- }
- assert.end()
-})
-
-function randint(range) {
- return Math.floor(Math.random() * range)
-}