public void TestBsonDateTimeEquals() { var a = new BsonDateTime(new DateTime(2011, 10, 12, 15, 13, 1, DateTimeKind.Utc)); var b = new BsonDateTime(new DateTime(2011, 10, 12, 15, 13, 1, DateTimeKind.Utc)); var c = new BsonDateTime(new DateTime(2011, 10, 12, 15, 13, 2, DateTimeKind.Utc)); var n = (BsonDateTime)null; Assert.IsTrue(object.Equals(a, b)); Assert.IsFalse(object.Equals(a, c)); Assert.IsFalse(object.Equals(a, BsonNull.Value)); Assert.IsFalse(a.Equals(n)); Assert.IsFalse(a.Equals(null)); Assert.IsTrue(a == b); Assert.IsFalse(a == c); Assert.IsFalse(a == BsonNull.Value); Assert.IsFalse(a == null); Assert.IsFalse(null == a); Assert.IsTrue(n == null); Assert.IsTrue(null == n); Assert.IsFalse(a != b); Assert.IsTrue(a != c); Assert.IsTrue(a != BsonNull.Value); Assert.IsTrue(a != null); Assert.IsTrue(null != a); Assert.IsFalse(n != null); Assert.IsFalse(null != n); }