MongoDB.BsonUnitTests.BsonValueEqualsTests.TestBsonSymbolEquals C# (CSharp) Метод

        public void TestBsonSymbolEquals()
        {
            var a = BsonSymbolTable.Lookup("symbol 1");
            var b = BsonSymbolTable.Lookup("symbol 1");
            var c = BsonSymbolTable.Lookup("symbol 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);
        }