package orderbook import ( "testing" "github.com/gofrs/uuid" ) var unsafeID, _ = uuid.NewV4() type externalBook struct{} func (e *externalBook) Lock() {} func (e *externalBook) Unlock() {} func TestUnsafe(t *testing.T) { d := newDepth(unsafeID) ob := d.GetUnsafe() if ob.AskHead == nil || ob.BidHead == nil || ob.m == nil { t.Fatal("these items should not be nil") } ob2 := &externalBook{} ob.Lock() ob.Unlock() // nolint:staticcheck, gocritic // Not needed in test ob.LockWith(ob2) ob.UnlockWith(ob2) }