public void EqualsObjectCastTest()
{
string number = "test-number";
NationalId nationalId = new NationalId(number: number);
object obj = new NationalId(number: number);
Assert.True(nationalId.Equals(obj));
}
public void EqualsTest()
{
string number = "test-number";
NationalId number1 = new NationalId(number: number);
Assert.Equal(number1, number1);
Assert.Equal(number1, new NationalId(number: number));
Assert.NotEqual(number1, new NationalId(number: number + "1"));
Assert.False(number1.Equals(null));
}