op-geth/state/state_test.go
2014-11-11 12:52:43 +01:00

50 lines
1.1 KiB
Go

package state
import (
. "gopkg.in/check.v1"
"testing"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/trie"
)
func Test(t *testing.T) { TestingT(t) }
type StateSuite struct {
state *State
}
var _ = Suite(&StateSuite{})
const expectedasbytes = "Expected % x Got % x"
// var ZeroHash256 = make([]byte, 32)
func (s *StateSuite) SetUpTest(c *C) {
db, _ := ethdb.NewMemDatabase()
ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "")
ethutil.Config.Db = db
s.state = New(trie.New(db, ""))
}
func (s *StateSuite) TestSnapshot(c *C) {
data1 := ethutil.NewValue(42)
data2 := ethutil.NewValue(43)
storageaddr := ethutil.Big("0")
stateobjaddr := []byte("aa")
stateObject := s.state.GetOrNewStateObject(stateobjaddr)
stateObject.SetStorage(storageaddr, data1)
snapshot := s.state.Copy()
stateObject = s.state.GetStateObject(stateobjaddr)
stateObject.SetStorage(storageaddr, data2)
s.state.Set(snapshot)
stateObject = s.state.GetStateObject(stateobjaddr)
res := stateObject.GetStorage(storageaddr)
c.Assert(data1, DeepEquals, res, Commentf(expectedasbytes, data1, res))
}