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718 lines
18 KiB
718 lines
18 KiB
var tape = require('tape') |
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, crypto = require('crypto') |
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, fs = require('fs') |
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, hash = require('hash_file') |
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, BufferList = require('../') |
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, Buffer = require('safe-buffer').Buffer |
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|
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, encodings = |
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('hex utf8 utf-8 ascii binary base64' |
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+ (process.browser ? '' : ' ucs2 ucs-2 utf16le utf-16le')).split(' ') |
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|
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tape('single bytes from single buffer', function (t) { |
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var bl = new BufferList() |
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bl.append(Buffer.from('abcd')) |
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t.equal(bl.length, 4) |
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t.equal(bl.get(0), 97) |
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t.equal(bl.get(1), 98) |
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t.equal(bl.get(2), 99) |
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t.equal(bl.get(3), 100) |
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t.end() |
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}) |
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tape('single bytes from multiple buffers', function (t) { |
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var bl = new BufferList() |
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bl.append(Buffer.from('abcd')) |
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bl.append(Buffer.from('efg')) |
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bl.append(Buffer.from('hi')) |
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bl.append(Buffer.from('j')) |
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t.equal(bl.length, 10) |
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t.equal(bl.get(0), 97) |
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t.equal(bl.get(1), 98) |
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t.equal(bl.get(2), 99) |
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t.equal(bl.get(3), 100) |
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t.equal(bl.get(4), 101) |
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t.equal(bl.get(5), 102) |
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t.equal(bl.get(6), 103) |
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t.equal(bl.get(7), 104) |
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t.equal(bl.get(8), 105) |
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t.equal(bl.get(9), 106) |
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t.end() |
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}) |
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tape('multi bytes from single buffer', function (t) { |
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var bl = new BufferList() |
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bl.append(Buffer.from('abcd')) |
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t.equal(bl.length, 4) |
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t.equal(bl.slice(0, 4).toString('ascii'), 'abcd') |
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t.equal(bl.slice(0, 3).toString('ascii'), 'abc') |
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t.equal(bl.slice(1, 4).toString('ascii'), 'bcd') |
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t.equal(bl.slice(-4, -1).toString('ascii'), 'abc') |
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t.end() |
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}) |
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tape('multi bytes from single buffer (negative indexes)', function (t) { |
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var bl = new BufferList() |
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bl.append(Buffer.from('buffer')) |
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t.equal(bl.length, 6) |
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t.equal(bl.slice(-6, -1).toString('ascii'), 'buffe') |
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t.equal(bl.slice(-6, -2).toString('ascii'), 'buff') |
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t.equal(bl.slice(-5, -2).toString('ascii'), 'uff') |
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t.end() |
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}) |
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tape('multiple bytes from multiple buffers', function (t) { |
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var bl = new BufferList() |
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bl.append(Buffer.from('abcd')) |
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bl.append(Buffer.from('efg')) |
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bl.append(Buffer.from('hi')) |
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bl.append(Buffer.from('j')) |
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t.equal(bl.length, 10) |
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t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij') |
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t.equal(bl.slice(3, 10).toString('ascii'), 'defghij') |
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t.equal(bl.slice(3, 6).toString('ascii'), 'def') |
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t.equal(bl.slice(3, 8).toString('ascii'), 'defgh') |
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t.equal(bl.slice(5, 10).toString('ascii'), 'fghij') |
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t.equal(bl.slice(-7, -4).toString('ascii'), 'def') |
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t.end() |
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}) |
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tape('multiple bytes from multiple buffer lists', function (t) { |
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var bl = new BufferList() |
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bl.append(new BufferList([ Buffer.from('abcd'), Buffer.from('efg') ])) |
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bl.append(new BufferList([ Buffer.from('hi'), Buffer.from('j') ])) |
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t.equal(bl.length, 10) |
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t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij') |
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t.equal(bl.slice(3, 10).toString('ascii'), 'defghij') |
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t.equal(bl.slice(3, 6).toString('ascii'), 'def') |
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t.equal(bl.slice(3, 8).toString('ascii'), 'defgh') |
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t.equal(bl.slice(5, 10).toString('ascii'), 'fghij') |
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t.end() |
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}) |
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// same data as previous test, just using nested constructors |
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tape('multiple bytes from crazy nested buffer lists', function (t) { |
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var bl = new BufferList() |
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bl.append(new BufferList([ |
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new BufferList([ |
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new BufferList(Buffer.from('abc')) |
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, Buffer.from('d') |
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, new BufferList(Buffer.from('efg')) |
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]) |
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, new BufferList([ Buffer.from('hi') ]) |
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, new BufferList(Buffer.from('j')) |
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])) |
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t.equal(bl.length, 10) |
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t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij') |
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t.equal(bl.slice(3, 10).toString('ascii'), 'defghij') |
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t.equal(bl.slice(3, 6).toString('ascii'), 'def') |
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t.equal(bl.slice(3, 8).toString('ascii'), 'defgh') |
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t.equal(bl.slice(5, 10).toString('ascii'), 'fghij') |
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t.end() |
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}) |
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tape('append accepts arrays of Buffers', function (t) { |
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var bl = new BufferList() |
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bl.append(Buffer.from('abc')) |
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bl.append([ Buffer.from('def') ]) |
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bl.append([ Buffer.from('ghi'), Buffer.from('jkl') ]) |
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bl.append([ Buffer.from('mnop'), Buffer.from('qrstu'), Buffer.from('vwxyz') ]) |
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t.equal(bl.length, 26) |
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t.equal(bl.slice().toString('ascii'), 'abcdefghijklmnopqrstuvwxyz') |
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t.end() |
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}) |
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tape('append accepts arrays of BufferLists', function (t) { |
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var bl = new BufferList() |
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bl.append(Buffer.from('abc')) |
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bl.append([ new BufferList('def') ]) |
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bl.append(new BufferList([ Buffer.from('ghi'), new BufferList('jkl') ])) |
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bl.append([ Buffer.from('mnop'), new BufferList([ Buffer.from('qrstu'), Buffer.from('vwxyz') ]) ]) |
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t.equal(bl.length, 26) |
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t.equal(bl.slice().toString('ascii'), 'abcdefghijklmnopqrstuvwxyz') |
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t.end() |
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}) |
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tape('append chainable', function (t) { |
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var bl = new BufferList() |
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t.ok(bl.append(Buffer.from('abcd')) === bl) |
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t.ok(bl.append([ Buffer.from('abcd') ]) === bl) |
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t.ok(bl.append(new BufferList(Buffer.from('abcd'))) === bl) |
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t.ok(bl.append([ new BufferList(Buffer.from('abcd')) ]) === bl) |
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t.end() |
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}) |
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tape('append chainable (test results)', function (t) { |
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var bl = new BufferList('abc') |
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.append([ new BufferList('def') ]) |
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.append(new BufferList([ Buffer.from('ghi'), new BufferList('jkl') ])) |
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.append([ Buffer.from('mnop'), new BufferList([ Buffer.from('qrstu'), Buffer.from('vwxyz') ]) ]) |
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t.equal(bl.length, 26) |
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t.equal(bl.slice().toString('ascii'), 'abcdefghijklmnopqrstuvwxyz') |
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t.end() |
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}) |
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tape('consuming from multiple buffers', function (t) { |
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var bl = new BufferList() |
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bl.append(Buffer.from('abcd')) |
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bl.append(Buffer.from('efg')) |
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bl.append(Buffer.from('hi')) |
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bl.append(Buffer.from('j')) |
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t.equal(bl.length, 10) |
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t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij') |
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bl.consume(3) |
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t.equal(bl.length, 7) |
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t.equal(bl.slice(0, 7).toString('ascii'), 'defghij') |
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bl.consume(2) |
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t.equal(bl.length, 5) |
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t.equal(bl.slice(0, 5).toString('ascii'), 'fghij') |
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bl.consume(1) |
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t.equal(bl.length, 4) |
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t.equal(bl.slice(0, 4).toString('ascii'), 'ghij') |
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bl.consume(1) |
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t.equal(bl.length, 3) |
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t.equal(bl.slice(0, 3).toString('ascii'), 'hij') |
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bl.consume(2) |
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t.equal(bl.length, 1) |
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t.equal(bl.slice(0, 1).toString('ascii'), 'j') |
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t.end() |
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}) |
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tape('complete consumption', function (t) { |
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var bl = new BufferList() |
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bl.append(Buffer.from('a')) |
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bl.append(Buffer.from('b')) |
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bl.consume(2) |
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t.equal(bl.length, 0) |
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t.equal(bl._bufs.length, 0) |
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t.end() |
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}) |
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tape('test readUInt8 / readInt8', function (t) { |
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var buf1 = Buffer.alloc(1) |
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, buf2 = Buffer.alloc(3) |
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, buf3 = Buffer.alloc(3) |
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, bl = new BufferList() |
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buf2[1] = 0x3 |
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buf2[2] = 0x4 |
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buf3[0] = 0x23 |
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buf3[1] = 0x42 |
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bl.append(buf1) |
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bl.append(buf2) |
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bl.append(buf3) |
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t.equal(bl.readUInt8(2), 0x3) |
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t.equal(bl.readInt8(2), 0x3) |
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t.equal(bl.readUInt8(3), 0x4) |
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t.equal(bl.readInt8(3), 0x4) |
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t.equal(bl.readUInt8(4), 0x23) |
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t.equal(bl.readInt8(4), 0x23) |
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t.equal(bl.readUInt8(5), 0x42) |
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t.equal(bl.readInt8(5), 0x42) |
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t.end() |
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}) |
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tape('test readUInt16LE / readUInt16BE / readInt16LE / readInt16BE', function (t) { |
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var buf1 = Buffer.alloc(1) |
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, buf2 = Buffer.alloc(3) |
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, buf3 = Buffer.alloc(3) |
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, bl = new BufferList() |
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buf2[1] = 0x3 |
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buf2[2] = 0x4 |
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buf3[0] = 0x23 |
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buf3[1] = 0x42 |
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bl.append(buf1) |
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bl.append(buf2) |
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bl.append(buf3) |
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t.equal(bl.readUInt16BE(2), 0x0304) |
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t.equal(bl.readUInt16LE(2), 0x0403) |
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t.equal(bl.readInt16BE(2), 0x0304) |
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t.equal(bl.readInt16LE(2), 0x0403) |
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t.equal(bl.readUInt16BE(3), 0x0423) |
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t.equal(bl.readUInt16LE(3), 0x2304) |
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t.equal(bl.readInt16BE(3), 0x0423) |
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t.equal(bl.readInt16LE(3), 0x2304) |
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t.equal(bl.readUInt16BE(4), 0x2342) |
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t.equal(bl.readUInt16LE(4), 0x4223) |
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t.equal(bl.readInt16BE(4), 0x2342) |
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t.equal(bl.readInt16LE(4), 0x4223) |
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t.end() |
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}) |
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tape('test readUInt32LE / readUInt32BE / readInt32LE / readInt32BE', function (t) { |
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var buf1 = Buffer.alloc(1) |
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, buf2 = Buffer.alloc(3) |
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, buf3 = Buffer.alloc(3) |
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, bl = new BufferList() |
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buf2[1] = 0x3 |
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buf2[2] = 0x4 |
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buf3[0] = 0x23 |
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buf3[1] = 0x42 |
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bl.append(buf1) |
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bl.append(buf2) |
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bl.append(buf3) |
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t.equal(bl.readUInt32BE(2), 0x03042342) |
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t.equal(bl.readUInt32LE(2), 0x42230403) |
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t.equal(bl.readInt32BE(2), 0x03042342) |
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t.equal(bl.readInt32LE(2), 0x42230403) |
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t.end() |
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}) |
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tape('test readFloatLE / readFloatBE', function (t) { |
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var buf1 = Buffer.alloc(1) |
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, buf2 = Buffer.alloc(3) |
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, buf3 = Buffer.alloc(3) |
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, bl = new BufferList() |
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buf2[1] = 0x00 |
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buf2[2] = 0x00 |
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buf3[0] = 0x80 |
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buf3[1] = 0x3f |
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bl.append(buf1) |
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bl.append(buf2) |
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bl.append(buf3) |
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t.equal(bl.readFloatLE(2), 0x01) |
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t.end() |
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}) |
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tape('test readDoubleLE / readDoubleBE', function (t) { |
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var buf1 = Buffer.alloc(1) |
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, buf2 = Buffer.alloc(3) |
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, buf3 = Buffer.alloc(10) |
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, bl = new BufferList() |
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buf2[1] = 0x55 |
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buf2[2] = 0x55 |
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buf3[0] = 0x55 |
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buf3[1] = 0x55 |
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buf3[2] = 0x55 |
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buf3[3] = 0x55 |
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buf3[4] = 0xd5 |
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buf3[5] = 0x3f |
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bl.append(buf1) |
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bl.append(buf2) |
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bl.append(buf3) |
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t.equal(bl.readDoubleLE(2), 0.3333333333333333) |
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t.end() |
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}) |
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tape('test toString', function (t) { |
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var bl = new BufferList() |
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bl.append(Buffer.from('abcd')) |
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bl.append(Buffer.from('efg')) |
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bl.append(Buffer.from('hi')) |
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bl.append(Buffer.from('j')) |
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t.equal(bl.toString('ascii', 0, 10), 'abcdefghij') |
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t.equal(bl.toString('ascii', 3, 10), 'defghij') |
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t.equal(bl.toString('ascii', 3, 6), 'def') |
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t.equal(bl.toString('ascii', 3, 8), 'defgh') |
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t.equal(bl.toString('ascii', 5, 10), 'fghij') |
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t.end() |
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}) |
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tape('test toString encoding', function (t) { |
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var bl = new BufferList() |
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, b = Buffer.from('abcdefghij\xff\x00') |
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bl.append(Buffer.from('abcd')) |
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bl.append(Buffer.from('efg')) |
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bl.append(Buffer.from('hi')) |
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bl.append(Buffer.from('j')) |
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bl.append(Buffer.from('\xff\x00')) |
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encodings.forEach(function (enc) { |
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t.equal(bl.toString(enc), b.toString(enc), enc) |
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}) |
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t.end() |
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}) |
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tape('uninitialized memory', function (t) { |
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const secret = crypto.randomBytes(256) |
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for (let i = 0; i < 1e6; i++) { |
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const clone = Buffer.from(secret) |
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const bl = new BufferList() |
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bl.append(Buffer.from('a')) |
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bl.consume(-1024) |
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const buf = bl.slice(1) |
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if (buf.indexOf(clone) !== -1) { |
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t.fail(`Match (at ${i})`) |
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break |
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} |
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} |
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t.end() |
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}) |
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!process.browser && tape('test stream', function (t) { |
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var random = crypto.randomBytes(65534) |
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, rndhash = hash(random, 'md5') |
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, md5sum = crypto.createHash('md5') |
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, bl = new BufferList(function (err, buf) { |
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t.ok(Buffer.isBuffer(buf)) |
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t.ok(err === null) |
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t.equal(rndhash, hash(bl.slice(), 'md5')) |
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t.equal(rndhash, hash(buf, 'md5')) |
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bl.pipe(fs.createWriteStream('/tmp/bl_test_rnd_out.dat')) |
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.on('close', function () { |
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var s = fs.createReadStream('/tmp/bl_test_rnd_out.dat') |
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s.on('data', md5sum.update.bind(md5sum)) |
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s.on('end', function() { |
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t.equal(rndhash, md5sum.digest('hex'), 'woohoo! correct hash!') |
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t.end() |
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}) |
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}) |
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}) |
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fs.writeFileSync('/tmp/bl_test_rnd.dat', random) |
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fs.createReadStream('/tmp/bl_test_rnd.dat').pipe(bl) |
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}) |
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tape('instantiation with Buffer', function (t) { |
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var buf = crypto.randomBytes(1024) |
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, buf2 = crypto.randomBytes(1024) |
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, b = BufferList(buf) |
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t.equal(buf.toString('hex'), b.slice().toString('hex'), 'same buffer') |
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b = BufferList([ buf, buf2 ]) |
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t.equal(b.slice().toString('hex'), Buffer.concat([ buf, buf2 ]).toString('hex'), 'same buffer') |
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t.end() |
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}) |
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tape('test String appendage', function (t) { |
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var bl = new BufferList() |
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, b = Buffer.from('abcdefghij\xff\x00') |
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bl.append('abcd') |
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bl.append('efg') |
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bl.append('hi') |
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bl.append('j') |
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bl.append('\xff\x00') |
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encodings.forEach(function (enc) { |
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t.equal(bl.toString(enc), b.toString(enc)) |
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}) |
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t.end() |
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}) |
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tape('test Number appendage', function (t) { |
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var bl = new BufferList() |
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, b = Buffer.from('1234567890') |
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bl.append(1234) |
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bl.append(567) |
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bl.append(89) |
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bl.append(0) |
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encodings.forEach(function (enc) { |
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t.equal(bl.toString(enc), b.toString(enc)) |
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}) |
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t.end() |
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}) |
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tape('write nothing, should get empty buffer', function (t) { |
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t.plan(3) |
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BufferList(function (err, data) { |
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t.notOk(err, 'no error') |
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t.ok(Buffer.isBuffer(data), 'got a buffer') |
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t.equal(0, data.length, 'got a zero-length buffer') |
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t.end() |
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}).end() |
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}) |
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tape('unicode string', function (t) { |
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t.plan(2) |
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var inp1 = '\u2600' |
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, inp2 = '\u2603' |
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, exp = inp1 + ' and ' + inp2 |
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, bl = BufferList() |
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bl.write(inp1) |
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bl.write(' and ') |
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bl.write(inp2) |
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t.equal(exp, bl.toString()) |
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t.equal(Buffer.from(exp).toString('hex'), bl.toString('hex')) |
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}) |
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tape('should emit finish', function (t) { |
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var source = BufferList() |
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, dest = BufferList() |
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source.write('hello') |
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source.pipe(dest) |
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dest.on('finish', function () { |
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t.equal(dest.toString('utf8'), 'hello') |
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t.end() |
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}) |
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}) |
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tape('basic copy', function (t) { |
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var buf = crypto.randomBytes(1024) |
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, buf2 = Buffer.alloc(1024) |
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, b = BufferList(buf) |
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b.copy(buf2) |
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t.equal(b.slice().toString('hex'), buf2.toString('hex'), 'same buffer') |
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t.end() |
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}) |
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tape('copy after many appends', function (t) { |
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var buf = crypto.randomBytes(512) |
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, buf2 = Buffer.alloc(1024) |
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, b = BufferList(buf) |
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b.append(buf) |
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b.copy(buf2) |
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t.equal(b.slice().toString('hex'), buf2.toString('hex'), 'same buffer') |
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t.end() |
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}) |
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tape('copy at a precise position', function (t) { |
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var buf = crypto.randomBytes(1004) |
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, buf2 = Buffer.alloc(1024) |
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, b = BufferList(buf) |
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b.copy(buf2, 20) |
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t.equal(b.slice().toString('hex'), buf2.slice(20).toString('hex'), 'same buffer') |
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t.end() |
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}) |
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|
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tape('copy starting from a precise location', function (t) { |
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var buf = crypto.randomBytes(10) |
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, buf2 = Buffer.alloc(5) |
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, b = BufferList(buf) |
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b.copy(buf2, 0, 5) |
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t.equal(b.slice(5).toString('hex'), buf2.toString('hex'), 'same buffer') |
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t.end() |
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}) |
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|
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tape('copy in an interval', function (t) { |
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var rnd = crypto.randomBytes(10) |
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, b = BufferList(rnd) // put the random bytes there |
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, actual = Buffer.alloc(3) |
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, expected = Buffer.alloc(3) |
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|
|
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') |
|
})) |
|
})
|
|
|