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node_modules/asn1/tst/ber/writer.test.js
Maintainability
60.02
Lines of code
368
Difficulty
62.12
Estimated Errors
4.50
Function weight
By Complexity
By SLOC
// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved. var test = require('tap').test; var sys = require('sys'); ///--- Globals var BerWriter; var BerReader; ///--- Tests test('load library', function(t) { BerWriter = require('../../lib/index').BerWriter; t.ok(BerWriter); t.ok(new BerWriter()); t.end(); }); test('write byte', function(t) { var writer = new BerWriter(); writer.writeByte(0xC2); var ber = writer.buffer; t.ok(ber); t.equal(ber.length, 1, 'Wrong length'); t.equal(ber[0], 0xC2, 'value wrong'); t.end(); }); test('write 1 byte int', function(t) { var writer = new BerWriter(); writer.writeInt(0x7f); var ber = writer.buffer; t.ok(ber); t.equal(ber.length, 3, 'Wrong length for an int: ' + ber.length); t.equal(ber[0], 0x02, 'ASN.1 tag wrong (2) -> ' + ber[0]); t.equal(ber[1], 0x01, 'length wrong(1) -> ' + ber[1]); t.equal(ber[2], 0x7f, 'value wrong(3) -> ' + ber[2]); t.end(); }); test('write 2 byte int', function(t) { var writer = new BerWriter(); writer.writeInt(0x7ffe); var ber = writer.buffer; t.ok(ber); t.equal(ber.length, 4, 'Wrong length for an int'); t.equal(ber[0], 0x02, 'ASN.1 tag wrong'); t.equal(ber[1], 0x02, 'length wrong'); t.equal(ber[2], 0x7f, 'value wrong (byte 1)'); t.equal(ber[3], 0xfe, 'value wrong (byte 2)'); t.end(); }); test('write 3 byte int', function(t) { var writer = new BerWriter(); writer.writeInt(0x7ffffe); var ber = writer.buffer; t.ok(ber); t.equal(ber.length, 5, 'Wrong length for an int'); t.equal(ber[0], 0x02, 'ASN.1 tag wrong'); t.equal(ber[1], 0x03, 'length wrong'); t.equal(ber[2], 0x7f, 'value wrong (byte 1)'); t.equal(ber[3], 0xff, 'value wrong (byte 2)'); t.equal(ber[4], 0xfe, 'value wrong (byte 3)'); t.end(); }); test('write 4 byte int', function(t) { var writer = new BerWriter(); writer.writeInt(0x7ffffffe); var ber = writer.buffer; t.ok(ber); t.equal(ber.length, 6, 'Wrong length for an int'); t.equal(ber[0], 0x02, 'ASN.1 tag wrong'); t.equal(ber[1], 0x04, 'length wrong'); t.equal(ber[2], 0x7f, 'value wrong (byte 1)'); t.equal(ber[3], 0xff, 'value wrong (byte 2)'); t.equal(ber[4], 0xff, 'value wrong (byte 3)'); t.equal(ber[5], 0xfe, 'value wrong (byte 4)'); t.end(); }); test('write 1 byte negative int', function(t) { var writer = new BerWriter(); writer.writeInt(-128); var ber = writer.buffer; t.ok(ber); t.equal(ber.length, 3, 'Wrong length for an int'); t.equal(ber[0], 0x02, 'ASN.1 tag wrong'); t.equal(ber[1], 0x01, 'length wrong'); t.equal(ber[2], 0x80, 'value wrong (byte 1)'); t.end(); }); test('write 2 byte negative int', function(t) { var writer = new BerWriter(); writer.writeInt(-22400); var ber = writer.buffer; t.ok(ber); t.equal(ber.length, 4, 'Wrong length for an int'); t.equal(ber[0], 0x02, 'ASN.1 tag wrong'); t.equal(ber[1], 0x02, 'length wrong'); t.equal(ber[2], 0xa8, 'value wrong (byte 1)'); t.equal(ber[3], 0x80, 'value wrong (byte 2)'); t.end(); }); test('write 3 byte negative int', function(t) { var writer = new BerWriter(); writer.writeInt(-481653); var ber = writer.buffer; t.ok(ber); t.equal(ber.length, 5, 'Wrong length for an int'); t.equal(ber[0], 0x02, 'ASN.1 tag wrong'); t.equal(ber[1], 0x03, 'length wrong'); t.equal(ber[2], 0xf8, 'value wrong (byte 1)'); t.equal(ber[3], 0xa6, 'value wrong (byte 2)'); t.equal(ber[4], 0x8b, 'value wrong (byte 3)'); t.end(); }); test('write 4 byte negative int', function(t) { var writer = new BerWriter(); writer.writeInt(-1522904131); var ber = writer.buffer; t.ok(ber); t.equal(ber.length, 6, 'Wrong length for an int'); t.equal(ber[0], 0x02, 'ASN.1 tag wrong'); t.equal(ber[1], 0x04, 'length wrong'); t.equal(ber[2], 0xa5, 'value wrong (byte 1)'); t.equal(ber[3], 0x3a, 'value wrong (byte 2)'); t.equal(ber[4], 0x53, 'value wrong (byte 3)'); t.equal(ber[5], 0xbd, 'value wrong (byte 4)'); t.end(); }); test('write boolean', function(t) { var writer = new BerWriter(); writer.writeBoolean(true); writer.writeBoolean(false); var ber = writer.buffer; t.ok(ber); t.equal(ber.length, 6, 'Wrong length'); t.equal(ber[0], 0x01, 'tag wrong'); t.equal(ber[1], 0x01, 'length wrong'); t.equal(ber[2], 0xff, 'value wrong'); t.equal(ber[3], 0x01, 'tag wrong'); t.equal(ber[4], 0x01, 'length wrong'); t.equal(ber[5], 0x00, 'value wrong'); t.end(); }); test('write string', function(t) { var writer = new BerWriter(); writer.writeString('hello world'); var ber = writer.buffer; t.ok(ber); t.equal(ber.length, 13, 'wrong length'); t.equal(ber[0], 0x04, 'wrong tag'); t.equal(ber[1], 11, 'wrong length'); t.equal(ber.slice(2).toString('utf8'), 'hello world', 'wrong value'); t.end(); }); test('write buffer', function(t) { var writer = new BerWriter(); // write some stuff to start with writer.writeString('hello world'); var ber = writer.buffer; var buf = new Buffer([0x04, 0x0b, 0x30, 0x09, 0x02, 0x01, 0x0f, 0x01, 0x01, 0xff, 0x01, 0x01, 0xff]); writer.writeBuffer(buf.slice(2, buf.length), 0x04); ber = writer.buffer; t.ok(ber); t.equal(ber.length, 26, 'wrong length'); t.equal(ber[0], 0x04, 'wrong tag'); t.equal(ber[1], 11, 'wrong length'); t.equal(ber.slice(2, 13).toString('utf8'), 'hello world', 'wrong value'); t.equal(ber[13], buf[0], 'wrong tag'); t.equal(ber[14], buf[1], 'wrong length'); for (var i = 13, j = 0; i < ber.length && j < buf.length; i++, j++) { t.equal(ber[i], buf[j], 'buffer contents not identical'); } t.end(); }); test('write string array', function(t) { var writer = new BerWriter(); writer.writeStringArray(['hello world', 'fubar!']); var ber = writer.buffer; t.ok(ber); t.equal(ber.length, 21, 'wrong length'); t.equal(ber[0], 0x04, 'wrong tag'); t.equal(ber[1], 11, 'wrong length'); t.equal(ber.slice(2, 13).toString('utf8'), 'hello world', 'wrong value'); t.equal(ber[13], 0x04, 'wrong tag'); t.equal(ber[14], 6, 'wrong length'); t.equal(ber.slice(15).toString('utf8'), 'fubar!', 'wrong value'); t.end(); }); test('resize internal buffer', function(t) { var writer = new BerWriter({size: 2}); writer.writeString('hello world'); var ber = writer.buffer; t.ok(ber); t.equal(ber.length, 13, 'wrong length'); t.equal(ber[0], 0x04, 'wrong tag'); t.equal(ber[1], 11, 'wrong length'); t.equal(ber.slice(2).toString('utf8'), 'hello world', 'wrong value'); t.end(); }); test('sequence', function(t) { var writer = new BerWriter({size: 25}); writer.startSequence(); writer.writeString('hello world'); writer.endSequence(); var ber = writer.buffer; t.ok(ber); console.log(ber); t.equal(ber.length, 15, 'wrong length'); t.equal(ber[0], 0x30, 'wrong tag'); t.equal(ber[1], 13, 'wrong length'); t.equal(ber[2], 0x04, 'wrong tag'); t.equal(ber[3], 11, 'wrong length'); t.equal(ber.slice(4).toString('utf8'), 'hello world', 'wrong value'); t.end(); }); test('nested sequence', function(t) { var writer = new BerWriter({size: 25}); writer.startSequence(); writer.writeString('hello world'); writer.startSequence(); writer.writeString('hello world'); writer.endSequence(); writer.endSequence(); var ber = writer.buffer; t.ok(ber); t.equal(ber.length, 30, 'wrong length'); t.equal(ber[0], 0x30, 'wrong tag'); t.equal(ber[1], 28, 'wrong length'); t.equal(ber[2], 0x04, 'wrong tag'); t.equal(ber[3], 11, 'wrong length'); t.equal(ber.slice(4, 15).toString('utf8'), 'hello world', 'wrong value'); t.equal(ber[15], 0x30, 'wrong tag'); t.equal(ber[16], 13, 'wrong length'); t.equal(ber[17], 0x04, 'wrong tag'); t.equal(ber[18], 11, 'wrong length'); t.equal(ber.slice(19, 30).toString('utf8'), 'hello world', 'wrong value'); t.end(); }); test('LDAP bind message', function(t) { var dn = 'cn=foo,ou=unit,o=test'; var writer = new BerWriter(); writer.startSequence(); writer.writeInt(3); // msgid = 3 writer.startSequence(0x60); // ldap bind writer.writeInt(3); // ldap v3 writer.writeString(dn); writer.writeByte(0x80); writer.writeByte(0x00); writer.endSequence(); writer.endSequence(); var ber = writer.buffer; t.ok(ber); t.equal(ber.length, 35, 'wrong length (buffer)'); t.equal(ber[0], 0x30, 'wrong tag'); t.equal(ber[1], 33, 'wrong length'); t.equal(ber[2], 0x02, 'wrong tag'); t.equal(ber[3], 1, 'wrong length'); t.equal(ber[4], 0x03, 'wrong value'); t.equal(ber[5], 0x60, 'wrong tag'); t.equal(ber[6], 28, 'wrong length'); t.equal(ber[7], 0x02, 'wrong tag'); t.equal(ber[8], 1, 'wrong length'); t.equal(ber[9], 0x03, 'wrong value'); t.equal(ber[10], 0x04, 'wrong tag'); t.equal(ber[11], dn.length, 'wrong length'); t.equal(ber.slice(12, 33).toString('utf8'), dn, 'wrong value'); t.equal(ber[33], 0x80, 'wrong tag'); t.equal(ber[34], 0x00, 'wrong len'); t.end(); }); test('Write OID', function(t) { var oid = '1.2.840.113549.1.1.1'; var writer = new BerWriter(); writer.writeOID(oid); var ber = writer.buffer; t.ok(ber); console.log(require('util').inspect(ber)); console.log(require('util').inspect(new Buffer([0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01]))); t.end(); });