public void TestBsonStringEquals() { var a = new BsonString("string 1"); var b = new BsonString("string 1"); var c = new BsonString("string 2"); var n = (BsonString)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); }