test balances push, pushall

ledger/balances.go

@@ -12,15 +12,13 @@ type Balance map[Currency]float64
 func (balances Balances) PushAll(other Balances) {
 	for k, v := range other {
 		if _, ok := balances[k]; !ok {
-			balances[k] = v
-		} else {
-			for k2, v2 := range v {
-				if _, ok := balances[k][k2]; !ok {
-					balances[k][k2] = v2
-				} else {
-					balances[k][k2] += v2
-				}
+			balances[k] = make(Balance)
+		}
+		for k2, v2 := range v {
+			if _, ok := balances[k][k2]; !ok {
+				balances[k][k2] = 0
 			}
+			balances[k][k2] += v2
 		}
 	}
 }