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node_modules/asn1/tst/ber/reader.test.js
Maintainability
66.76
Lines of code
206
Difficulty
30.42
Estimated Errors
2.35
Function weight
By Complexity
By SLOC
// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved. var test = require('tap').test; ///--- Globals var BerReader; ///--- Tests test('load library', function(t) { BerReader = require('../../lib/index').BerReader; t.ok(BerReader); try { new BerReader(); t.fail('Should have thrown'); } catch (e) { t.ok(e instanceof TypeError, 'Should have been a type error'); } t.end(); }); test('read byte', function(t) { var reader = new BerReader(new Buffer([0xde])); t.ok(reader); t.equal(reader.readByte(), 0xde, 'wrong value'); t.end(); }); test('read 1 byte int', function(t) { var reader = new BerReader(new Buffer([0x02, 0x01, 0x03])); t.ok(reader); t.equal(reader.readInt(), 0x03, 'wrong value'); t.equal(reader.length, 0x01, 'wrong length'); t.end(); }); test('read 2 byte int', function(t) { var reader = new BerReader(new Buffer([0x02, 0x02, 0x7e, 0xde])); t.ok(reader); t.equal(reader.readInt(), 0x7ede, 'wrong value'); t.equal(reader.length, 0x02, 'wrong length'); t.end(); }); test('read 3 byte int', function(t) { var reader = new BerReader(new Buffer([0x02, 0x03, 0x7e, 0xde, 0x03])); t.ok(reader); t.equal(reader.readInt(), 0x7ede03, 'wrong value'); t.equal(reader.length, 0x03, 'wrong length'); t.end(); }); test('read 4 byte int', function(t) { var reader = new BerReader(new Buffer([0x02, 0x04, 0x7e, 0xde, 0x03, 0x01])); t.ok(reader); t.equal(reader.readInt(), 0x7ede0301, 'wrong value'); t.equal(reader.length, 0x04, 'wrong length'); t.end(); }); test('read 1 byte negative int', function(t) { var reader = new BerReader(new Buffer([0x02, 0x01, 0xdc])); t.ok(reader); t.equal(reader.readInt(), -36, 'wrong value'); t.equal(reader.length, 0x01, 'wrong length'); t.end(); }); test('read 2 byte negative int', function(t) { var reader = new BerReader(new Buffer([0x02, 0x02, 0xc0, 0x4e])); t.ok(reader); t.equal(reader.readInt(), -16306, 'wrong value'); t.equal(reader.length, 0x02, 'wrong length'); t.end(); }); test('read 3 byte negative int', function(t) { var reader = new BerReader(new Buffer([0x02, 0x03, 0xff, 0x00, 0x19])); t.ok(reader); t.equal(reader.readInt(), -65511, 'wrong value'); t.equal(reader.length, 0x03, 'wrong length'); t.end(); }); test('read 4 byte negative int', function(t) { var reader = new BerReader(new Buffer([0x02, 0x04, 0x91, 0x7c, 0x22, 0x1f])); t.ok(reader); t.equal(reader.readInt(), -1854135777, 'wrong value'); t.equal(reader.length, 0x04, 'wrong length'); t.end(); }); test('read boolean true', function(t) { var reader = new BerReader(new Buffer([0x01, 0x01, 0xff])); t.ok(reader); t.equal(reader.readBoolean(), true, 'wrong value'); t.equal(reader.length, 0x01, 'wrong length'); t.end(); }); test('read boolean false', function(t) { var reader = new BerReader(new Buffer([0x01, 0x01, 0x00])); t.ok(reader); t.equal(reader.readBoolean(), false, 'wrong value'); t.equal(reader.length, 0x01, 'wrong length'); t.end(); }); test('read enumeration', function(t) { var reader = new BerReader(new Buffer([0x0a, 0x01, 0x20])); t.ok(reader); t.equal(reader.readEnumeration(), 0x20, 'wrong value'); t.equal(reader.length, 0x01, 'wrong length'); t.end(); }); test('read string', function(t) { var dn = 'cn=foo,ou=unit,o=test'; var buf = new Buffer(dn.length + 2); buf[0] = 0x04; buf[1] = Buffer.byteLength(dn); buf.write(dn, 2); var reader = new BerReader(buf); t.ok(reader); t.equal(reader.readString(), dn, 'wrong value'); t.equal(reader.length, dn.length, 'wrong length'); t.end(); }); test('read sequence', function(t) { var reader = new BerReader(new Buffer([0x30, 0x03, 0x01, 0x01, 0xff])); t.ok(reader); t.equal(reader.readSequence(), 0x30, 'wrong value'); t.equal(reader.length, 0x03, 'wrong length'); t.equal(reader.readBoolean(), true, 'wrong value'); t.equal(reader.length, 0x01, 'wrong length'); t.end(); }); test('anonymous LDAPv3 bind', function(t) { var BIND = new Buffer(14); BIND[0] = 0x30; // Sequence BIND[1] = 12; // len BIND[2] = 0x02; // ASN.1 Integer BIND[3] = 1; // len BIND[4] = 0x04; // msgid (make up 4) BIND[5] = 0x60; // Bind Request BIND[6] = 7; // len BIND[7] = 0x02; // ASN.1 Integer BIND[8] = 1; // len BIND[9] = 0x03; // v3 BIND[10] = 0x04; // String (bind dn) BIND[11] = 0; // len BIND[12] = 0x80; // ContextSpecific (choice) BIND[13] = 0; // simple bind // Start testing ^^ var ber = new BerReader(BIND); t.equal(ber.readSequence(), 48, 'Not an ASN.1 Sequence'); t.equal(ber.length, 12, 'Message length should be 12'); t.equal(ber.readInt(), 4, 'Message id should have been 4'); t.equal(ber.readSequence(), 96, 'Bind Request should have been 96'); t.equal(ber.length, 7, 'Bind length should have been 7'); t.equal(ber.readInt(), 3, 'LDAP version should have been 3'); t.equal(ber.readString(), '', 'Bind DN should have been empty'); t.equal(ber.length, 0, 'string length should have been 0'); t.equal(ber.readByte(), 0x80, 'Should have been ContextSpecific (choice)'); t.equal(ber.readByte(), 0, 'Should have been simple bind'); t.equal(null, ber.readByte(), 'Should be out of data'); t.end(); }); test('long string', function(t) { var buf = new Buffer(256); var o; var s = '2;649;CN=Red Hat CS 71GA Demo,O=Red Hat CS 71GA Demo,C=US;' + 'CN=RHCS Agent - admin01,UID=admin01,O=redhat,C=US [1] This is ' + 'Teena Vradmin\'s description.'; buf[0] = 0x04; buf[1] = 0x81; buf[2] = 0x94; buf.write(s, 3); var ber = new BerReader(buf.slice(0, 3 + s.length)); t.equal(ber.readString(), s); t.end(); });