testPair.values.forEach(function (value) {
   var buffer1 = new Buffer(value[0]);
   var buffer2 = new Buffer(value[1]);
   var result = identityExchangeUtils.compareEqualSizeBuffers(buffer1, buffer2);
   t.equal(testPair.result, result);
 });
 t.throws(function () {
   identityExchangeUtils.compareEqualSizeBuffers(testValue[0], testValue[1]);
 });