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| const tape = require('tape') | |
| const crypto = require('crypto') | |
| const fs = require('fs') | |
| const path = require('path') | |
| const BufferList = require('../') | |
| const { Buffer } = require('buffer') | |
| const encodings = | |
| ('hex utf8 utf-8 ascii binary base64' + | |
| (process.browser ? '' : ' ucs2 ucs-2 utf16le utf-16le')).split(' ') | |
| require('./indexOf') | |
| require('./isBufferList') | |
| require('./convert') | |
| tape('single bytes from single buffer', function (t) { | |
| const bl = new BufferList() | |
| bl.append(Buffer.from('abcd')) | |
| t.equal(bl.length, 4) | |
| t.equal(bl.get(-1), undefined) | |
| t.equal(bl.get(0), 97) | |
| t.equal(bl.get(1), 98) | |
| t.equal(bl.get(2), 99) | |
| t.equal(bl.get(3), 100) | |
| t.equal(bl.get(4), undefined) | |
| t.end() | |
| }) | |
| tape('single bytes from multiple buffers', function (t) { | |
| const bl = new BufferList() | |
| bl.append(Buffer.from('abcd')) | |
| bl.append(Buffer.from('efg')) | |
| bl.append(Buffer.from('hi')) | |
| bl.append(Buffer.from('j')) | |
| t.equal(bl.length, 10) | |
| t.equal(bl.get(0), 97) | |
| t.equal(bl.get(1), 98) | |
| t.equal(bl.get(2), 99) | |
| t.equal(bl.get(3), 100) | |
| t.equal(bl.get(4), 101) | |
| t.equal(bl.get(5), 102) | |
| t.equal(bl.get(6), 103) | |
| t.equal(bl.get(7), 104) | |
| t.equal(bl.get(8), 105) | |
| t.equal(bl.get(9), 106) | |
| t.end() | |
| }) | |
| tape('multi bytes from single buffer', function (t) { | |
| const bl = new BufferList() | |
| bl.append(Buffer.from('abcd')) | |
| t.equal(bl.length, 4) | |
| t.equal(bl.slice(0, 4).toString('ascii'), 'abcd') | |
| t.equal(bl.slice(0, 3).toString('ascii'), 'abc') | |
| t.equal(bl.slice(1, 4).toString('ascii'), 'bcd') | |
| t.equal(bl.slice(-4, -1).toString('ascii'), 'abc') | |
| t.end() | |
| }) | |
| tape('multi bytes from single buffer (negative indexes)', function (t) { | |
| const bl = new BufferList() | |
| bl.append(Buffer.from('buffer')) | |
| t.equal(bl.length, 6) | |
| t.equal(bl.slice(-6, -1).toString('ascii'), 'buffe') | |
| t.equal(bl.slice(-6, -2).toString('ascii'), 'buff') | |
| t.equal(bl.slice(-5, -2).toString('ascii'), 'uff') | |
| t.end() | |
| }) | |
| tape('multiple bytes from multiple buffers', function (t) { | |
| const bl = new BufferList() | |
| bl.append(Buffer.from('abcd')) | |
| bl.append(Buffer.from('efg')) | |
| bl.append(Buffer.from('hi')) | |
| bl.append(Buffer.from('j')) | |
| t.equal(bl.length, 10) | |
| t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij') | |
| t.equal(bl.slice(3, 10).toString('ascii'), 'defghij') | |
| t.equal(bl.slice(3, 6).toString('ascii'), 'def') | |
| t.equal(bl.slice(3, 8).toString('ascii'), 'defgh') | |
| t.equal(bl.slice(5, 10).toString('ascii'), 'fghij') | |
| t.equal(bl.slice(-7, -4).toString('ascii'), 'def') | |
| t.end() | |
| }) | |
| tape('multiple bytes from multiple buffer lists', function (t) { | |
| const bl = new BufferList() | |
| bl.append(new BufferList([Buffer.from('abcd'), Buffer.from('efg')])) | |
| bl.append(new BufferList([Buffer.from('hi'), Buffer.from('j')])) | |
| t.equal(bl.length, 10) | |
| t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij') | |
| t.equal(bl.slice(3, 10).toString('ascii'), 'defghij') | |
| t.equal(bl.slice(3, 6).toString('ascii'), 'def') | |
| t.equal(bl.slice(3, 8).toString('ascii'), 'defgh') | |
| t.equal(bl.slice(5, 10).toString('ascii'), 'fghij') | |
| t.end() | |
| }) | |
| // same data as previous test, just using nested constructors | |
| tape('multiple bytes from crazy nested buffer lists', function (t) { | |
| const bl = new BufferList() | |
| bl.append(new BufferList([ | |
| new BufferList([ | |
| new BufferList(Buffer.from('abc')), | |
| Buffer.from('d'), | |
| new BufferList(Buffer.from('efg')) | |
| ]), | |
| new BufferList([Buffer.from('hi')]), | |
| new BufferList(Buffer.from('j')) | |
| ])) | |
| t.equal(bl.length, 10) | |
| t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij') | |
| t.equal(bl.slice(3, 10).toString('ascii'), 'defghij') | |
| t.equal(bl.slice(3, 6).toString('ascii'), 'def') | |
| t.equal(bl.slice(3, 8).toString('ascii'), 'defgh') | |
| t.equal(bl.slice(5, 10).toString('ascii'), 'fghij') | |
| t.end() | |
| }) | |
| tape('append accepts arrays of Buffers', function (t) { | |
| const bl = new BufferList() | |
| bl.append(Buffer.from('abc')) | |
| bl.append([Buffer.from('def')]) | |
| bl.append([Buffer.from('ghi'), Buffer.from('jkl')]) | |
| bl.append([Buffer.from('mnop'), Buffer.from('qrstu'), Buffer.from('vwxyz')]) | |
| t.equal(bl.length, 26) | |
| t.equal(bl.slice().toString('ascii'), 'abcdefghijklmnopqrstuvwxyz') | |
| t.end() | |
| }) | |
| tape('append accepts arrays of Uint8Arrays', function (t) { | |
| const bl = new BufferList() | |
| bl.append(new Uint8Array([97, 98, 99])) | |
| bl.append([Uint8Array.from([100, 101, 102])]) | |
| bl.append([new Uint8Array([103, 104, 105]), new Uint8Array([106, 107, 108])]) | |
| bl.append([new Uint8Array([109, 110, 111, 112]), new Uint8Array([113, 114, 115, 116, 117]), new Uint8Array([118, 119, 120, 121, 122])]) | |
| t.equal(bl.length, 26) | |
| t.equal(bl.slice().toString('ascii'), 'abcdefghijklmnopqrstuvwxyz') | |
| t.end() | |
| }) | |
| tape('append accepts arrays of BufferLists', function (t) { | |
| const bl = new BufferList() | |
| bl.append(Buffer.from('abc')) | |
| bl.append([new BufferList('def')]) | |
| bl.append(new BufferList([Buffer.from('ghi'), new BufferList('jkl')])) | |
| bl.append([Buffer.from('mnop'), new BufferList([Buffer.from('qrstu'), Buffer.from('vwxyz')])]) | |
| t.equal(bl.length, 26) | |
| t.equal(bl.slice().toString('ascii'), 'abcdefghijklmnopqrstuvwxyz') | |
| t.end() | |
| }) | |
| tape('append chainable', function (t) { | |
| const bl = new BufferList() | |
| t.ok(bl.append(Buffer.from('abcd')) === bl) | |
| t.ok(bl.append([Buffer.from('abcd')]) === bl) | |
| t.ok(bl.append(new BufferList(Buffer.from('abcd'))) === bl) | |
| t.ok(bl.append([new BufferList(Buffer.from('abcd'))]) === bl) | |
| t.end() | |
| }) | |
| tape('append chainable (test results)', function (t) { | |
| const bl = new BufferList('abc') | |
| .append([new BufferList('def')]) | |
| .append(new BufferList([Buffer.from('ghi'), new BufferList('jkl')])) | |
| .append([Buffer.from('mnop'), new BufferList([Buffer.from('qrstu'), Buffer.from('vwxyz')])]) | |
| t.equal(bl.length, 26) | |
| t.equal(bl.slice().toString('ascii'), 'abcdefghijklmnopqrstuvwxyz') | |
| t.end() | |
| }) | |
| tape('consuming from multiple buffers', function (t) { | |
| const bl = new BufferList() | |
| bl.append(Buffer.from('abcd')) | |
| bl.append(Buffer.from('efg')) | |
| bl.append(Buffer.from('hi')) | |
| bl.append(Buffer.from('j')) | |
| t.equal(bl.length, 10) | |
| t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij') | |
| bl.consume(3) | |
| t.equal(bl.length, 7) | |
| t.equal(bl.slice(0, 7).toString('ascii'), 'defghij') | |
| bl.consume(2) | |
| t.equal(bl.length, 5) | |
| t.equal(bl.slice(0, 5).toString('ascii'), 'fghij') | |
| bl.consume(1) | |
| t.equal(bl.length, 4) | |
| t.equal(bl.slice(0, 4).toString('ascii'), 'ghij') | |
| bl.consume(1) | |
| t.equal(bl.length, 3) | |
| t.equal(bl.slice(0, 3).toString('ascii'), 'hij') | |
| bl.consume(2) | |
| t.equal(bl.length, 1) | |
| t.equal(bl.slice(0, 1).toString('ascii'), 'j') | |
| t.end() | |
| }) | |
| tape('complete consumption', function (t) { | |
| const bl = new BufferList() | |
| bl.append(Buffer.from('a')) | |
| bl.append(Buffer.from('b')) | |
| bl.consume(2) | |
| t.equal(bl.length, 0) | |
| t.equal(bl._bufs.length, 0) | |
| t.end() | |
| }) | |
| tape('test readUInt8 / readInt8', function (t) { | |
| const buf1 = Buffer.alloc(1) | |
| const buf2 = Buffer.alloc(3) | |
| const buf3 = Buffer.alloc(3) | |
| const bl = new BufferList() | |
| buf2[1] = 0x3 | |
| buf2[2] = 0x4 | |
| buf3[0] = 0x23 | |
| buf3[1] = 0x42 | |
| bl.append(buf1) | |
| bl.append(buf2) | |
| bl.append(buf3) | |
| t.equal(bl.readUInt8(2), 0x3) | |
| t.equal(bl.readInt8(2), 0x3) | |
| t.equal(bl.readUInt8(3), 0x4) | |
| t.equal(bl.readInt8(3), 0x4) | |
| t.equal(bl.readUInt8(4), 0x23) | |
| t.equal(bl.readInt8(4), 0x23) | |
| t.equal(bl.readUInt8(5), 0x42) | |
| t.equal(bl.readInt8(5), 0x42) | |
| t.end() | |
| }) | |
| tape('test readUInt16LE / readUInt16BE / readInt16LE / readInt16BE', function (t) { | |
| const buf1 = Buffer.alloc(1) | |
| const buf2 = Buffer.alloc(3) | |
| const buf3 = Buffer.alloc(3) | |
| const bl = new BufferList() | |
| buf2[1] = 0x3 | |
| buf2[2] = 0x4 | |
| buf3[0] = 0x23 | |
| buf3[1] = 0x42 | |
| bl.append(buf1) | |
| bl.append(buf2) | |
| bl.append(buf3) | |
| t.equal(bl.readUInt16BE(2), 0x0304) | |
| t.equal(bl.readUInt16LE(2), 0x0403) | |
| t.equal(bl.readInt16BE(2), 0x0304) | |
| t.equal(bl.readInt16LE(2), 0x0403) | |
| t.equal(bl.readUInt16BE(3), 0x0423) | |
| t.equal(bl.readUInt16LE(3), 0x2304) | |
| t.equal(bl.readInt16BE(3), 0x0423) | |
| t.equal(bl.readInt16LE(3), 0x2304) | |
| t.equal(bl.readUInt16BE(4), 0x2342) | |
| t.equal(bl.readUInt16LE(4), 0x4223) | |
| t.equal(bl.readInt16BE(4), 0x2342) | |
| t.equal(bl.readInt16LE(4), 0x4223) | |
| t.end() | |
| }) | |
| tape('test readUInt32LE / readUInt32BE / readInt32LE / readInt32BE', function (t) { | |
| const buf1 = Buffer.alloc(1) | |
| const buf2 = Buffer.alloc(3) | |
| const buf3 = Buffer.alloc(3) | |
| const bl = new BufferList() | |
| buf2[1] = 0x3 | |
| buf2[2] = 0x4 | |
| buf3[0] = 0x23 | |
| buf3[1] = 0x42 | |
| bl.append(buf1) | |
| bl.append(buf2) | |
| bl.append(buf3) | |
| t.equal(bl.readUInt32BE(2), 0x03042342) | |
| t.equal(bl.readUInt32LE(2), 0x42230403) | |
| t.equal(bl.readInt32BE(2), 0x03042342) | |
| t.equal(bl.readInt32LE(2), 0x42230403) | |
| t.end() | |
| }) | |
| tape('test readUIntLE / readUIntBE / readIntLE / readIntBE', function (t) { | |
| const buf1 = Buffer.alloc(1) | |
| const buf2 = Buffer.alloc(3) | |
| const buf3 = Buffer.alloc(3) | |
| const bl = new BufferList() | |
| buf2[0] = 0x2 | |
| buf2[1] = 0x3 | |
| buf2[2] = 0x4 | |
| buf3[0] = 0x23 | |
| buf3[1] = 0x42 | |
| buf3[2] = 0x61 | |
| bl.append(buf1) | |
| bl.append(buf2) | |
| bl.append(buf3) | |
| t.equal(bl.readUIntBE(1, 1), 0x02) | |
| t.equal(bl.readUIntBE(1, 2), 0x0203) | |
| t.equal(bl.readUIntBE(1, 3), 0x020304) | |
| t.equal(bl.readUIntBE(1, 4), 0x02030423) | |
| t.equal(bl.readUIntBE(1, 5), 0x0203042342) | |
| t.equal(bl.readUIntBE(1, 6), 0x020304234261) | |
| t.equal(bl.readUIntLE(1, 1), 0x02) | |
| t.equal(bl.readUIntLE(1, 2), 0x0302) | |
| t.equal(bl.readUIntLE(1, 3), 0x040302) | |
| t.equal(bl.readUIntLE(1, 4), 0x23040302) | |
| t.equal(bl.readUIntLE(1, 5), 0x4223040302) | |
| t.equal(bl.readUIntLE(1, 6), 0x614223040302) | |
| t.equal(bl.readIntBE(1, 1), 0x02) | |
| t.equal(bl.readIntBE(1, 2), 0x0203) | |
| t.equal(bl.readIntBE(1, 3), 0x020304) | |
| t.equal(bl.readIntBE(1, 4), 0x02030423) | |
| t.equal(bl.readIntBE(1, 5), 0x0203042342) | |
| t.equal(bl.readIntBE(1, 6), 0x020304234261) | |
| t.equal(bl.readIntLE(1, 1), 0x02) | |
| t.equal(bl.readIntLE(1, 2), 0x0302) | |
| t.equal(bl.readIntLE(1, 3), 0x040302) | |
| t.equal(bl.readIntLE(1, 4), 0x23040302) | |
| t.equal(bl.readIntLE(1, 5), 0x4223040302) | |
| t.equal(bl.readIntLE(1, 6), 0x614223040302) | |
| t.end() | |
| }) | |
| tape('test readFloatLE / readFloatBE', function (t) { | |
| const buf1 = Buffer.alloc(1) | |
| const buf2 = Buffer.alloc(3) | |
| const buf3 = Buffer.alloc(3) | |
| const bl = new BufferList() | |
| buf2[1] = 0x00 | |
| buf2[2] = 0x00 | |
| buf3[0] = 0x80 | |
| buf3[1] = 0x3f | |
| bl.append(buf1) | |
| bl.append(buf2) | |
| bl.append(buf3) | |
| t.equal(bl.readFloatLE(2), 0x01) | |
| t.end() | |
| }) | |
| tape('test readDoubleLE / readDoubleBE', function (t) { | |
| const buf1 = Buffer.alloc(1) | |
| const buf2 = Buffer.alloc(3) | |
| const buf3 = Buffer.alloc(10) | |
| const bl = new BufferList() | |
| buf2[1] = 0x55 | |
| buf2[2] = 0x55 | |
| buf3[0] = 0x55 | |
| buf3[1] = 0x55 | |
| buf3[2] = 0x55 | |
| buf3[3] = 0x55 | |
| buf3[4] = 0xd5 | |
| buf3[5] = 0x3f | |
| bl.append(buf1) | |
| bl.append(buf2) | |
| bl.append(buf3) | |
| t.equal(bl.readDoubleLE(2), 0.3333333333333333) | |
| t.end() | |
| }) | |
| tape('test toString', function (t) { | |
| const bl = new BufferList() | |
| bl.append(Buffer.from('abcd')) | |
| bl.append(Buffer.from('efg')) | |
| bl.append(Buffer.from('hi')) | |
| bl.append(Buffer.from('j')) | |
| t.equal(bl.toString('ascii', 0, 10), 'abcdefghij') | |
| t.equal(bl.toString('ascii', 3, 10), 'defghij') | |
| t.equal(bl.toString('ascii', 3, 6), 'def') | |
| t.equal(bl.toString('ascii', 3, 8), 'defgh') | |
| t.equal(bl.toString('ascii', 5, 10), 'fghij') | |
| t.end() | |
| }) | |
| tape('test toString encoding', function (t) { | |
| const bl = new BufferList() | |
| const b = Buffer.from('abcdefghij\xff\x00') | |
| bl.append(Buffer.from('abcd')) | |
| bl.append(Buffer.from('efg')) | |
| bl.append(Buffer.from('hi')) | |
| bl.append(Buffer.from('j')) | |
| bl.append(Buffer.from('\xff\x00')) | |
| encodings.forEach(function (enc) { | |
| t.equal(bl.toString(enc), b.toString(enc), enc) | |
| }) | |
| t.end() | |
| }) | |
| tape('uninitialized memory', function (t) { | |
| const secret = crypto.randomBytes(256) | |
| for (let i = 0; i < 1e6; i++) { | |
| const clone = Buffer.from(secret) | |
| const bl = new BufferList() | |
| bl.append(Buffer.from('a')) | |
| bl.consume(-1024) | |
| const buf = bl.slice(1) | |
| if (buf.indexOf(clone) !== -1) { | |
| t.fail(`Match (at ${i})`) | |
| break | |
| } | |
| } | |
| t.end() | |
| }) | |
| !process.browser && tape('test stream', function (t) { | |
| const random = crypto.randomBytes(65534) | |
| const bl = new BufferList((err, buf) => { | |
| t.ok(Buffer.isBuffer(buf)) | |
| t.ok(err === null) | |
| t.ok(random.equals(bl.slice())) | |
| t.ok(random.equals(buf.slice())) | |
| bl.pipe(fs.createWriteStream('/tmp/bl_test_rnd_out.dat')) | |
| .on('close', function () { | |
| const rndhash = crypto.createHash('md5').update(random).digest('hex') | |
| const md5sum = crypto.createHash('md5') | |
| const s = fs.createReadStream('/tmp/bl_test_rnd_out.dat') | |
| s.on('data', md5sum.update.bind(md5sum)) | |
| s.on('end', function () { | |
| t.equal(rndhash, md5sum.digest('hex'), 'woohoo! correct hash!') | |
| t.end() | |
| }) | |
| }) | |
| }) | |
| fs.writeFileSync('/tmp/bl_test_rnd.dat', random) | |
| fs.createReadStream('/tmp/bl_test_rnd.dat').pipe(bl) | |
| }) | |
| tape('instantiation with Buffer', function (t) { | |
| const buf = crypto.randomBytes(1024) | |
| const buf2 = crypto.randomBytes(1024) | |
| let b = BufferList(buf) | |
| t.equal(buf.toString('hex'), b.slice().toString('hex'), 'same buffer') | |
| b = BufferList([buf, buf2]) | |
| t.equal(b.slice().toString('hex'), Buffer.concat([buf, buf2]).toString('hex'), 'same buffer') | |
| t.end() | |
| }) | |
| tape('test String appendage', function (t) { | |
| const bl = new BufferList() | |
| const b = Buffer.from('abcdefghij\xff\x00') | |
| bl.append('abcd') | |
| bl.append('efg') | |
| bl.append('hi') | |
| bl.append('j') | |
| bl.append('\xff\x00') | |
| encodings.forEach(function (enc) { | |
| t.equal(bl.toString(enc), b.toString(enc)) | |
| }) | |
| t.end() | |
| }) | |
| tape('test Number appendage', function (t) { | |
| const bl = new BufferList() | |
| const b = Buffer.from('1234567890') | |
| bl.append(1234) | |
| bl.append(567) | |
| bl.append(89) | |
| bl.append(0) | |
| encodings.forEach(function (enc) { | |
| t.equal(bl.toString(enc), b.toString(enc)) | |
| }) | |
| t.end() | |
| }) | |
| tape('write nothing, should get empty buffer', function (t) { | |
| t.plan(3) | |
| BufferList(function (err, data) { | |
| t.notOk(err, 'no error') | |
| t.ok(Buffer.isBuffer(data), 'got a buffer') | |
| t.equal(0, data.length, 'got a zero-length buffer') | |
| t.end() | |
| }).end() | |
| }) | |
| tape('unicode string', function (t) { | |
| t.plan(2) | |
| const inp1 = '\u2600' | |
| const inp2 = '\u2603' | |
| const exp = inp1 + ' and ' + inp2 | |
| const bl = BufferList() | |
| bl.write(inp1) | |
| bl.write(' and ') | |
| bl.write(inp2) | |
| t.equal(exp, bl.toString()) | |
| t.equal(Buffer.from(exp).toString('hex'), bl.toString('hex')) | |
| }) | |
| tape('should emit finish', function (t) { | |
| const source = BufferList() | |
| const dest = BufferList() | |
| source.write('hello') | |
| source.pipe(dest) | |
| dest.on('finish', function () { | |
| t.equal(dest.toString('utf8'), 'hello') | |
| t.end() | |
| }) | |
| }) | |
| tape('basic copy', function (t) { | |
| const buf = crypto.randomBytes(1024) | |
| const buf2 = Buffer.alloc(1024) | |
| const b = BufferList(buf) | |
| b.copy(buf2) | |
| t.equal(b.slice().toString('hex'), buf2.toString('hex'), 'same buffer') | |
| t.end() | |
| }) | |
| tape('copy after many appends', function (t) { | |
| const buf = crypto.randomBytes(512) | |
| const buf2 = Buffer.alloc(1024) | |
| const b = BufferList(buf) | |
| b.append(buf) | |
| b.copy(buf2) | |
| t.equal(b.slice().toString('hex'), buf2.toString('hex'), 'same buffer') | |
| t.end() | |
| }) | |
| tape('copy at a precise position', function (t) { | |
| const buf = crypto.randomBytes(1004) | |
| const buf2 = Buffer.alloc(1024) | |
| const b = BufferList(buf) | |
| b.copy(buf2, 20) | |
| t.equal(b.slice().toString('hex'), buf2.slice(20).toString('hex'), 'same buffer') | |
| t.end() | |
| }) | |
| tape('copy starting from a precise location', function (t) { | |
| const buf = crypto.randomBytes(10) | |
| const buf2 = Buffer.alloc(5) | |
| const b = BufferList(buf) | |
| b.copy(buf2, 0, 5) | |
| t.equal(b.slice(5).toString('hex'), buf2.toString('hex'), 'same buffer') | |
| t.end() | |
| }) | |
| tape('copy in an interval', function (t) { | |
| const rnd = crypto.randomBytes(10) | |
| const b = BufferList(rnd) // put the random bytes there | |
| const actual = Buffer.alloc(3) | |
| const expected = Buffer.alloc(3) | |
| rnd.copy(expected, 0, 5, 8) | |
| b.copy(actual, 0, 5, 8) | |
| t.equal(actual.toString('hex'), expected.toString('hex'), 'same buffer') | |
| t.end() | |
| }) | |
| tape('copy an interval between two buffers', function (t) { | |
| const buf = crypto.randomBytes(10) | |
| const buf2 = Buffer.alloc(10) | |
| const b = BufferList(buf) | |
| b.append(buf) | |
| b.copy(buf2, 0, 5, 15) | |
| t.equal(b.slice(5, 15).toString('hex'), buf2.toString('hex'), 'same buffer') | |
| t.end() | |
| }) | |
| tape('shallow slice across buffer boundaries', function (t) { | |
| const bl = new BufferList(['First', 'Second', 'Third']) | |
| t.equal(bl.shallowSlice(3, 13).toString(), 'stSecondTh') | |
| t.end() | |
| }) | |
| tape('shallow slice within single buffer', function (t) { | |
| t.plan(2) | |
| const bl = new BufferList(['First', 'Second', 'Third']) | |
| t.equal(bl.shallowSlice(5, 10).toString(), 'Secon') | |
| t.equal(bl.shallowSlice(7, 10).toString(), 'con') | |
| t.end() | |
| }) | |
| tape('shallow slice single buffer', function (t) { | |
| t.plan(3) | |
| const bl = new BufferList(['First', 'Second', 'Third']) | |
| t.equal(bl.shallowSlice(0, 5).toString(), 'First') | |
| t.equal(bl.shallowSlice(5, 11).toString(), 'Second') | |
| t.equal(bl.shallowSlice(11, 16).toString(), 'Third') | |
| }) | |
| tape('shallow slice with negative or omitted indices', function (t) { | |
| t.plan(4) | |
| const bl = new BufferList(['First', 'Second', 'Third']) | |
| t.equal(bl.shallowSlice().toString(), 'FirstSecondThird') | |
| t.equal(bl.shallowSlice(5).toString(), 'SecondThird') | |
| t.equal(bl.shallowSlice(5, -3).toString(), 'SecondTh') | |
| t.equal(bl.shallowSlice(-8).toString(), 'ondThird') | |
| }) | |
| tape('shallow slice does not make a copy', function (t) { | |
| t.plan(1) | |
| const buffers = [Buffer.from('First'), Buffer.from('Second'), Buffer.from('Third')] | |
| const bl = (new BufferList(buffers)).shallowSlice(5, -3) | |
| buffers[1].fill('h') | |
| buffers[2].fill('h') | |
| t.equal(bl.toString(), 'hhhhhhhh') | |
| }) | |
| tape('shallow slice with 0 length', function (t) { | |
| t.plan(1) | |
| const buffers = [Buffer.from('First'), Buffer.from('Second'), Buffer.from('Third')] | |
| const bl = (new BufferList(buffers)).shallowSlice(0, 0) | |
| t.equal(bl.length, 0) | |
| }) | |
| tape('shallow slice with 0 length from middle', function (t) { | |
| t.plan(1) | |
| const buffers = [Buffer.from('First'), Buffer.from('Second'), Buffer.from('Third')] | |
| const bl = (new BufferList(buffers)).shallowSlice(10, 10) | |
| t.equal(bl.length, 0) | |
| }) | |
| tape('duplicate', function (t) { | |
| t.plan(2) | |
| const bl = new BufferList('abcdefghij\xff\x00') | |
| const dup = bl.duplicate() | |
| t.equal(bl.prototype, dup.prototype) | |
| t.equal(bl.toString('hex'), dup.toString('hex')) | |
| }) | |
| tape('destroy no pipe', function (t) { | |
| t.plan(2) | |
| const bl = new BufferList('alsdkfja;lsdkfja;lsdk') | |
| bl.destroy() | |
| t.equal(bl._bufs.length, 0) | |
| t.equal(bl.length, 0) | |
| }) | |
| tape('destroy with error', function (t) { | |
| t.plan(3) | |
| const bl = new BufferList('alsdkfja;lsdkfja;lsdk') | |
| const err = new Error('kaboom') | |
| bl.destroy(err) | |
| bl.on('error', function (_err) { | |
| t.equal(_err, err) | |
| }) | |
| t.equal(bl._bufs.length, 0) | |
| t.equal(bl.length, 0) | |
| }) | |
| !process.browser && tape('destroy with pipe before read end', function (t) { | |
| t.plan(2) | |
| const bl = new BufferList() | |
| fs.createReadStream(path.join(__dirname, '/test.js')) | |
| .pipe(bl) | |
| bl.destroy() | |
| t.equal(bl._bufs.length, 0) | |
| t.equal(bl.length, 0) | |
| }) | |
| !process.browser && tape('destroy with pipe before read end with race', function (t) { | |
| t.plan(2) | |
| const bl = new BufferList() | |
| fs.createReadStream(path.join(__dirname, '/test.js')) | |
| .pipe(bl) | |
| setTimeout(function () { | |
| bl.destroy() | |
| setTimeout(function () { | |
| t.equal(bl._bufs.length, 0) | |
| t.equal(bl.length, 0) | |
| }, 500) | |
| }, 500) | |
| }) | |
| !process.browser && tape('destroy with pipe after read end', function (t) { | |
| t.plan(2) | |
| const bl = new BufferList() | |
| fs.createReadStream(path.join(__dirname, '/test.js')) | |
| .on('end', onEnd) | |
| .pipe(bl) | |
| function onEnd () { | |
| bl.destroy() | |
| t.equal(bl._bufs.length, 0) | |
| t.equal(bl.length, 0) | |
| } | |
| }) | |
| !process.browser && tape('destroy with pipe while writing to a destination', function (t) { | |
| t.plan(4) | |
| const bl = new BufferList() | |
| const ds = new BufferList() | |
| fs.createReadStream(path.join(__dirname, '/test.js')) | |
| .on('end', onEnd) | |
| .pipe(bl) | |
| function onEnd () { | |
| bl.pipe(ds) | |
| setTimeout(function () { | |
| bl.destroy() | |
| t.equals(bl._bufs.length, 0) | |
| t.equals(bl.length, 0) | |
| ds.destroy() | |
| t.equals(bl._bufs.length, 0) | |
| t.equals(bl.length, 0) | |
| }, 100) | |
| } | |
| }) | |
| !process.browser && tape('handle error', function (t) { | |
| t.plan(2) | |
| fs.createReadStream('/does/not/exist').pipe(BufferList(function (err, data) { | |
| t.ok(err instanceof Error, 'has error') | |
| t.notOk(data, 'no data') | |
| })) | |
| }) | |