public void TestStatic()
{
PbTickCodec codec = new PbTickCodec();
codec.Config.SetTickSize(0.2);
PbTick tick1 = new PbTick();
tick1.Config = codec.Config;
codec.SetSymbol(tick1, "ABC");
codec.SetExchange(tick1, "DEF");
PbTick tick2 = new PbTick();
codec.SetSymbol(tick2, "ABC");
codec.SetExchange(tick2, "DEF");
var diff = codec.Diff(tick1, tick2);
Assert.AreEqual(null, diff.Static);
}