You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
1.5 KiB
75 lines
1.5 KiB
var tape = require('tape') |
|
var Hash = require('../hash') |
|
var hex = '0A1B2C3D4E5F6G7H' |
|
|
|
function equal (t, a, b) { |
|
t.equal(a.length, b.length) |
|
t.equal(a.toString('hex'), b.toString('hex')) |
|
} |
|
|
|
var hexBuf = Buffer.from('0A1B2C3D4E5F6G7H', 'utf8') |
|
var count16 = { |
|
strings: ['0A1B2C3D4E5F6G7H'], |
|
buffers: [ |
|
hexBuf, |
|
Buffer.from('80000000000000000000000000000080', 'hex') |
|
] |
|
} |
|
|
|
var empty = { |
|
strings: [''], |
|
buffers: [ |
|
Buffer.from('80000000000000000000000000000000', 'hex') |
|
] |
|
} |
|
|
|
var multi = { |
|
strings: ['abcd', 'efhijk', 'lmnopq'], |
|
buffers: [ |
|
Buffer.from('abcdefhijklmnopq', 'ascii'), |
|
Buffer.from('80000000000000000000000000000080', 'hex') |
|
] |
|
} |
|
|
|
var long = { |
|
strings: [hex + hex], |
|
buffers: [ |
|
hexBuf, |
|
hexBuf, |
|
Buffer.from('80000000000000000000000000000100', 'hex') |
|
] |
|
} |
|
|
|
function makeTest (name, data) { |
|
tape(name, function (t) { |
|
var h = new Hash(16, 8) |
|
var hash = Buffer.alloc(20) |
|
var n = 2 |
|
var expected = data.buffers.slice() |
|
// t.plan(expected.length + 1) |
|
|
|
h._update = function (block) { |
|
var e = expected.shift() |
|
equal(t, block, e) |
|
|
|
if (n < 0) { |
|
throw new Error('expecting only 2 calls to _update') |
|
} |
|
} |
|
h._hash = function () { |
|
return hash |
|
} |
|
|
|
data.strings.forEach(function (string) { |
|
h.update(string, 'ascii') |
|
}) |
|
|
|
equal(t, h.digest(), hash) |
|
t.end() |
|
}) |
|
} |
|
|
|
makeTest('Hash#update 1 in 1', count16) |
|
makeTest('empty Hash#update', empty) |
|
makeTest('Hash#update 1 in 3', multi) |
|
makeTest('Hash#update 2 in 1', long)
|
|
|