public void EquivalentToIntegerNotMatch()
 {
     BsonValue val1 = new BsonInt32(42);
     BsonValue val2 = new BsonInt32(-42);
     Assert.IsFalse(val1.EquivalentTo(val2));
 }
 public void EquivalentToInteger()
 {
     BsonValue val1 = new BsonInt32(42);
     BsonValue val2 = new BsonInt32(42);
     Assert.IsTrue(val1.EquivalentTo(val2));
 }