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80 lines
1.5 KiB
80 lines
1.5 KiB
'use strict';
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var tape = require('tape');
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var Buffer = require('safe-buffer').Buffer;
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var Hash = require('../hash');
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var hex = '0A1B2C3D4E5F6G7H';
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function equal(t, a, b) {
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t.equal(a.length, b.length);
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t.equal(a.toString('hex'), b.toString('hex'));
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}
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var hexBuf = Buffer.from('0A1B2C3D4E5F6G7H', 'utf8');
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var count16 = {
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strings: ['0A1B2C3D4E5F6G7H'],
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buffers: [
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hexBuf,
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Buffer.from('80000000000000000000000000000080', 'hex')
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]
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};
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var empty = {
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strings: [''],
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buffers: [
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Buffer.from('80000000000000000000000000000000', 'hex')
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]
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};
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var multi = {
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strings: ['abcd', 'efhijk', 'lmnopq'],
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buffers: [
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Buffer.from('abcdefhijklmnopq', 'ascii'),
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Buffer.from('80000000000000000000000000000080', 'hex')
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]
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};
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var long = {
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strings: [hex + hex],
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buffers: [
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hexBuf,
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hexBuf,
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Buffer.from('80000000000000000000000000000100', 'hex')
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]
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};
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function makeTest(name, data) {
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tape(name, function (t) {
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var h = new Hash(16, 8);
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var hash = Buffer.alloc(20);
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var n = 2;
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var expected = data.buffers.slice();
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// t.plan(expected.length + 1)
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h._update = function (block) {
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var e = expected.shift();
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equal(t, block, e);
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if (n < 0) {
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throw new Error('expecting only 2 calls to _update');
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}
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};
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h._hash = function () {
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return hash;
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};
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data.strings.forEach(function (string) {
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h.update(string, 'ascii');
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});
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equal(t, h.digest(), hash);
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t.end();
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});
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}
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makeTest('Hash#update 1 in 1', count16);
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makeTest('empty Hash#update', empty);
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makeTest('Hash#update 1 in 3', multi);
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makeTest('Hash#update 2 in 1', long);
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