public void BaseContractTest()
{
var bp1 = new ContractBase("a", "b");
var bp2 = bp1.ToJson().FromJson <ContractBase>();
Assert.Equal(bp1, bp2);
Assert.True(bp1 == bp2);
Assert.False(bp1 != bp2);
Assert.True(bp1 != null);
ContractBase bp3 = null;
Assert.False(bp3 != null);
Assert.True(bp3 == null);
bp3 = new ContractBase("c", "d");
Assert.False(bp1 == bp3);
Assert.True(bp1 != bp3);
}
