public void TestStorage_Delete()
{
var engine = GetEngine(false, true);
var snapshot = Blockchain.Singleton.GetSnapshot();
var state = TestUtils.GetContract();
state.Manifest.Features = ContractFeatures.HasStorage;
var storageKey = new StorageKey
{
Id = 0x42000000,
Key = new byte[] { 0x01 }
};
var storageItem = new StorageItem
{
Value = new byte[] { 0x01, 0x02, 0x03, 0x04 },
IsConstant = false
};
snapshot.Contracts.Add(state.ScriptHash, state);
snapshot.Storages.Add(storageKey, storageItem);
engine = new ApplicationEngine(TriggerType.Application, null, snapshot, 0, true);
engine.LoadScript(new byte[] { 0x01 });
state.Manifest.Features = ContractFeatures.HasStorage;
var key = new byte[] { 0x01 };
var storageContext = new StorageContext
{
Id = state.Id,
IsReadOnly = false
};
engine.Delete(storageContext, key);
//context is readonly
storageContext.IsReadOnly = true;
Assert.ThrowsException <ArgumentException>(() => engine.Delete(storageContext, key));
}