1 files changed, 89 insertions, 0 deletions
diff --git a/core/state/managed_state_test.go b/core/state/managed_state_test.go
new file mode 100644
index 000000000..b61f59e6d
--- /dev/null
+++ b/core/state/managed_state_test.go
@@ -0,0 +1,89 @@
+package state
+
+import (
+	"testing"
+
+	"github.com/ethereum/go-ethereum/common"
+)
+
+var addr = common.BytesToAddress([]byte("test"))
+
+func create() (*ManagedState, *account) {
+	ms := ManageState(&StateDB{stateObjects: make(map[string]*StateObject)})
+	so := &StateObject{address: addr, nonce: 100}
+	ms.StateDB.stateObjects[addr.Str()] = so
+	ms.accounts[addr.Str()] = newAccount(so)
+
+	return ms, ms.accounts[addr.Str()]
+}
+
+func TestNewNonce(t *testing.T) {
+	ms, _ := create()
+
+	nonce := ms.NewNonce(addr)
+	if nonce != 100 {
+		t.Error("expected nonce 100. got", nonce)
+	}
+
+	nonce = ms.NewNonce(addr)
+	if nonce != 101 {
+		t.Error("expected nonce 101. got", nonce)
+	}
+}
+
+func TestRemove(t *testing.T) {
+	ms, account := create()
+
+	nn := make([]bool, 10)
+	for i, _ := range nn {
+		nn[i] = true
+	}
+	account.nonces = append(account.nonces, nn...)
+
+	i := uint64(5)
+	ms.RemoveNonce(addr, account.nstart+i)
+	if len(account.nonces) != 5 {
+		t.Error("expected", i, "'th index to be false")
+	}
+}
+
+func TestReuse(t *testing.T) {
+	ms, account := create()
+
+	nn := make([]bool, 10)
+	for i, _ := range nn {
+		nn[i] = true
+	}
+	account.nonces = append(account.nonces, nn...)
+
+	i := uint64(5)
+	ms.RemoveNonce(addr, account.nstart+i)
+	nonce := ms.NewNonce(addr)
+	if nonce != 105 {
+		t.Error("expected nonce to be 105. got", nonce)
+	}
+}
+
+func TestRemoteNonceChange(t *testing.T) {
+	ms, account := create()
+	nn := make([]bool, 10)
+	for i, _ := range nn {
+		nn[i] = true
+	}
+	account.nonces = append(account.nonces, nn...)
+	nonce := ms.NewNonce(addr)
+
+	ms.StateDB.stateObjects[addr.Str()].nonce = 200
+	nonce = ms.NewNonce(addr)
+	if nonce != 200 {
+		t.Error("expected nonce after remote update to be", 201, "got", nonce)
+	}
+	ms.NewNonce(addr)
+	ms.NewNonce(addr)
+	ms.NewNonce(addr)
+	ms.StateDB.stateObjects[addr.Str()].nonce = 200
+	nonce = ms.NewNonce(addr)
+	if nonce != 204 {
+		t.Error("expected nonce after remote update to be", 201, "got", nonce)
+	}
+}