public void SetStates()
{
// Check to set and to get.
Assert.Throws <KeyNotFoundException>(() => _stateStore.GetRootHash(_fx.Block1.Hash));
Assert.False(_stateStore.ContainsBlockStates(_fx.Block1.Hash));
var states = ImmutableDictionary <string, IValue> .Empty
.Add("foo", (Text)"value");
_stateStore.SetStates(_fx.Block1, states);
Assert.Equal((Text)"value", _stateStore.GetState("foo", _fx.Block1.Hash));
Assert.IsType <HashDigest <SHA256> >(_stateStore.GetRootHash(_fx.Block1.Hash));
Assert.True(_stateStore.ContainsBlockStates(_fx.Block1.Hash));
_stateStore.SetStates(_fx.Block2, _prestoredValues);
// Check same states have same state hash.
Assert.NotEqual(
_stateStore.GetRootHash(_fx.GenesisBlock.Hash),
_stateStore.GetRootHash(_fx.Block1.Hash));
Assert.Equal(
_stateStore.GetRootHash(_fx.GenesisBlock.Hash),
_stateStore.GetRootHash(_fx.Block2.Hash));
}
