diff options
Diffstat (limited to 'node_modules/bl/test')
-rw-r--r-- | node_modules/bl/test/test.js | 718 |
1 files changed, 718 insertions, 0 deletions
diff --git a/node_modules/bl/test/test.js b/node_modules/bl/test/test.js new file mode 100644 index 0000000..dac1861 --- /dev/null +++ b/node_modules/bl/test/test.js @@ -0,0 +1,718 @@ +var tape = require('tape') + , crypto = require('crypto') + , fs = require('fs') + , hash = require('hash_file') + , BufferList = require('../') + , Buffer = require('safe-buffer').Buffer + + , encodings = + ('hex utf8 utf-8 ascii binary base64' + + (process.browser ? '' : ' ucs2 ucs-2 utf16le utf-16le')).split(' ') + +tape('single bytes from single buffer', function (t) { + var bl = new BufferList() + bl.append(Buffer.from('abcd')) + + t.equal(bl.length, 4) + + 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.end() +}) + +tape('single bytes from multiple buffers', function (t) { + var 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) { + var 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) { + var 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) { + var 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) { + var 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) { + var 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) { + var 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 BufferLists', function (t) { + var 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) { + var 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) { + var 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) { + var 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) { + var 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) { + var buf1 = Buffer.alloc(1) + , buf2 = Buffer.alloc(3) + , buf3 = Buffer.alloc(3) + , 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) { + var buf1 = Buffer.alloc(1) + , buf2 = Buffer.alloc(3) + , buf3 = Buffer.alloc(3) + , 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) { + var buf1 = Buffer.alloc(1) + , buf2 = Buffer.alloc(3) + , buf3 = Buffer.alloc(3) + , 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 readFloatLE / readFloatBE', function (t) { + var buf1 = Buffer.alloc(1) + , buf2 = Buffer.alloc(3) + , buf3 = Buffer.alloc(3) + , 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) { + var buf1 = Buffer.alloc(1) + , buf2 = Buffer.alloc(3) + , buf3 = Buffer.alloc(10) + , 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) { + var 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) { + var bl = new BufferList() + , 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) { + var random = crypto.randomBytes(65534) + , rndhash = hash(random, 'md5') + , md5sum = crypto.createHash('md5') + , bl = new BufferList(function (err, buf) { + t.ok(Buffer.isBuffer(buf)) + t.ok(err === null) + t.equal(rndhash, hash(bl.slice(), 'md5')) + t.equal(rndhash, hash(buf, 'md5')) + + bl.pipe(fs.createWriteStream('/tmp/bl_test_rnd_out.dat')) + .on('close', function () { + var 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) { + var buf = crypto.randomBytes(1024) + , buf2 = crypto.randomBytes(1024) + , 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) { + var bl = new BufferList() + , 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) { + var bl = new BufferList() + , 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) + var inp1 = '\u2600' + , inp2 = '\u2603' + , exp = inp1 + ' and ' + inp2 + , 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) { + var source = BufferList() + , 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) { + var buf = crypto.randomBytes(1024) + , buf2 = Buffer.alloc(1024) + , 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) { + var buf = crypto.randomBytes(512) + , buf2 = Buffer.alloc(1024) + , 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) { + var buf = crypto.randomBytes(1004) + , buf2 = Buffer.alloc(1024) + , 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) { + var buf = crypto.randomBytes(10) + , buf2 = Buffer.alloc(5) + , 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) { + var rnd = crypto.randomBytes(10) + , b = BufferList(rnd) // put the random bytes there + , actual = Buffer.alloc(3) + , 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) { + var buf = crypto.randomBytes(10) + , buf2 = Buffer.alloc(10) + , 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) { + var 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) + var 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) + var 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) + var 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) + var buffers = [Buffer.from('First'), Buffer.from('Second'), Buffer.from('Third')] + var bl = (new BufferList(buffers)).shallowSlice(5, -3) + + buffers[1].fill('h') + buffers[2].fill('h') + + t.equal(bl.toString(), 'hhhhhhhh') +}) + +tape('duplicate', function (t) { + t.plan(2) + + var bl = new BufferList('abcdefghij\xff\x00') + , 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) + + var bl = new BufferList('alsdkfja;lsdkfja;lsdk') + bl.destroy() + + 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) + + var bl = new BufferList() + fs.createReadStream(__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) + + var bl = new BufferList() + fs.createReadStream(__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) + + var bl = new BufferList() + fs.createReadStream(__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) + + var bl = new BufferList() + , ds = new BufferList() + + fs.createReadStream(__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') + })) +}) |