C# Expect inspired by Jasmine

Expect.cs

public class Expect
{
    private object expectation;
    protected bool not;

    public Expect(object expectation)
    {
        this.expectation = expectation;
    }

    public Expect Not { get { not = !not; return this; } }

    public void ToBe   (object actual) => Verify(Compare, actual, "be");
    public void ToEqual(object actual) => Verify(Similar, actual, "equal");

    protected bool Compare(object actual)
        => System.Convert.GetTypeCode(expectation) == System.TypeCode.Object
            ? ReferenceEquals(expectation, actual) != not
            : Equals(expectation, actual) != not;

    protected bool Similar(object actual)
        => System.Convert.GetTypeCode(expectation) == System.TypeCode.Object
            ? Equals(Serialize(expectation), Serialize(actual)) != not
            : Equals(expectation, actual) != not;

    protected string Serialize(object obj) => Newtonsoft.Json.JsonConvert.SerializeObject(obj);

    protected void Verify(System.Func<object, bool> verifier, object actual, string comparation)
    {
        if (!verifier(actual))
        {
            Throw(actual, comparation);
        }
    }

    protected void Throw(object actual, string comparation)
        => throw new System.Exception($"Expected <{expectation}> {(not ? "not " : "")} to {comparation} <{actual}>");
}

ExpectTest.cs

[TestClass]
public class ExpectTest
{
    [TestMethod]
    public void Bool()
    {
        new Expect(true).ToBe(true);
        new Expect(true).Not.ToBe(false);
    }

    [TestMethod]
    public void String()
    {
        new Expect("a").ToBe("a");
        new Expect("a").Not.ToBe("b");
        new Expect("a").Not.ToBe("A");
    }

    [TestMethod]
    public void Int()
    {
        new Expect(1).ToBe(1);
        new Expect(1 > 2).ToBe(false);
        new Expect(1 >= 2).ToBe(false);
        new Expect(1 < 2).ToBe(true);
        new Expect(1 <= 2).ToBe(true);
    }

    [TestMethod]
    public void Object()
    {
        var obj = new { a = 1 };
        new Expect(obj).ToBe(obj);
        new Expect(obj).Not.ToBe(new { a = 1 });
        new Expect(obj).ToEqual(new { a = 1 });
        new Expect(obj).Not.ToEqual(new { a = 2 });
    }

    [TestMethod]
    public void Array()
    {
        var array = new int[] { 1, 2, 3, 4 };
        new Expect(array).ToBe(array);
        new Expect(array).Not.ToBe(new int[] { 1, 2, 3, 4 });
        new Expect(array).ToEqual(new int[] { 1, 2, 3, 4 });
        new Expect(array).Not.ToEqual(new int[] { 1, 2, 3 });
    }
}