imba
Version:
65 lines (64 loc) • 1.73 kB
JavaScript
import tape from "tape";
import Hash from "../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);