text: var assert = require('assert');
  var Int64 = require('./Int64');
  
  exports.setUp = function(done) {
    done();
  };
  
  exports.testBufferToString = function(test) {
    var int = new Int64(0xfffaffff, 0xfffff700);
    test.equal(
      int.toBuffer().toString('hex'),
      'fffafffffffff700',
      'Buffer to string conversion'
    );
    test.done();
  };
  
  exports.testBufferCopy = function(test) {
    var src = new Int64(0xfffaffff, 0xfffff700);
    var dst = new Buffer(8);
  
    src.copy(dst);
  
    test.deepEqual(
      dst,
      new Buffer([0xff, 0xfa, 0xff, 0xff, 0xff, 0xff, 0xf7, 0x00]),
      'Copy to buffer'
    );
  
    test.done();
  };
  
  exports.testValueRepresentation = function(test) {
    var args = [
      [0],                     '0000000000000000', 0,
      [1],                     '0000000000000001', 1,
      [-1],                    'ffffffffffffffff', -1,
      [1e18],                  '0de0b6b3a7640000', 1e18,
      ['0001234500654321'],    '0001234500654321',     0x1234500654321,
      ['0ff1234500654321'],    '0ff1234500654321',   0xff1234500654300, // Imprecise!
      [0xff12345, 0x654321],   '0ff1234500654321',   0xff1234500654300, // Imprecise!
      [0xfffaffff, 0xfffff700],'fffafffffffff700',    -0x5000000000900,
      [0xafffffff, 0xfffff700],'affffffffffff700', -0x5000000000000800, // Imprecise!
      ['0x0000123450654321'],  '0000123450654321',      0x123450654321,
      ['0xFFFFFFFFFFFFFFFF'],  'ffffffffffffffff', -1
    ];
  
    // Test constructor argments
  
    for (var i = 0; i < args.length; i += 3) {
      var a = args[i], octets = args[i+1], number = args[i+2];
  
      // Create instance
      var x = new Int64();
      Int64.apply(x, a);
  
      test.equal(x.toOctetString(), octets, 'Constuctor with ' + args.join(', '));
      test.equal(x.toNumber(true), number);
    }
  
    test.done();
  };
  
  exports.testBufferOffsets = function(test) {
    var sourceBuffer = new Buffer(16);
    sourceBuffer.writeUInt32BE(0xfffaffff, 2);
    sourceBuffer.writeUInt32BE(0xfffff700, 6);
  
    var int = new Int64(sourceBuffer, 2);
    assert.equal(
      int.toBuffer().toString('hex'), 'fffafffffffff700',
      'Construct from offset'
    );
  
    var targetBuffer = new Buffer(16);
    int.copy(targetBuffer, 4);
    assert.equal(
      targetBuffer.slice(4, 12).toString('hex'), 'fffafffffffff700',
      'Copy to offset'
    );
  
    test.done();
  };
  
  exports.testInstanceOf = function(test) {
    var x = new Int64();
    assert(x instanceof Int64, 'Variable is not instance of Int64');
    var y = {};
    assert(!(y instanceof Int64), 'Object is an instance of Int64');
    test.done();
  };
  
  exports.testCompare = function(test) {
    var intMin = new Int64(2147483648, 0);
    var intMinPlusOne = new Int64(2147483648, 1);
    var zero = new Int64(0, 0);
    var intMaxMinusOne = new Int64(2147483647, 4294967294);
    var intMax = new Int64(2147483647, 4294967295);
    assert(intMin.compare(intMinPlusOne) < 0, "INT64_MIN is not less than INT64_MIN+1");
    assert(intMin.compare(zero) < 0, "INT64_MIN is not less than 0");
    assert(intMin.compare(zero) < intMax, "INT64_MIN is not less than INT64_MAX");
    assert(intMax.compare(intMaxMinusOne) > 0, "INT64_MAX is not greater than INT64_MAX-1");
    assert(intMax.compare(zero) > 0, "INT64_MAX is not greater than 0");
    assert(intMax.compare(intMin) > 0, "INT64_MAX is not greater than INT_MIN");
    test.done();
  };
  
  exports.testEquals = function(test) {
    var intMin = new Int64(2147483648, 0);
    var zero = new Int64(0, 0);
    var intMax = new Int64(2147483647, 4294967295);
    assert(intMin.equals(intMin), "INT64_MIN !== INT64_MIN");
    assert(intMax.equals(intMax), "INT64_MAX !== INT64_MAX");
    assert(zero.equals(zero), "0 !== 0");
    assert(!intMin.equals(zero), "INT64_MIN === 0");
    assert(!intMin.equals(intMax), "INT64_MIN === INT64_MAX");
    assert(!intMax.equals(zero), "INT64_MAX === 0");
    assert(!intMax.equals(intMin), "INT64_MAX === INT64_MIN");
    test.done();
  };
  