taler-go

commit b5cc1cfaa8eb0cb19d2030dca7f06bf25e53fc1a
parent 903c2fdca4c572deb74598350cede90e58ce891b
Author: Martin Schanzenbach <schanzen@gnunet.org>
Date:   Sun, 17 Jul 2022 13:16:02 +0200

fix

Diffstat:
M
pkg/util/amount.go
 | 
2
+-
M
pkg/util/amount_test.go
 | 
10
+++++++---

2 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/pkg/util/amount.go b/pkg/util/amount.go
@@ -68,7 +68,7 @@ func (a *Amount) Add(b Amount) (*Amount,error) {
   uint64(math.Floor((float64(a.Fraction) + float64(b.Fraction)) / FractionalBase))
 
   if v >= MaxAmountValue {
-    return nil, errors.New("Amount Overflow!")
+    return nil, errors.New(fmt.Sprintf("Amount Overflow (%d > %d)!", v, MaxAmountValue))
   }
   f := uint64((a.Fraction + b.Fraction) % FractionalBase)
   r := Amount{
diff --git a/pkg/util/amount_test.go b/pkg/util/amount_test.go
@@ -2,6 +2,7 @@ package util
 
 import (
   "testing"
+  "fmt"
 )
 
 var a = Amount{
@@ -43,8 +44,11 @@ func TestAmountSub(t *testing.T) {
   }
 }
 
-func TestAmountString(t *testing.T) {
-  if c.String() != "EUR:25.20007" {
-    t.Errorf("Failed to generate correct string")
+func TestAmountLarge(t *testing.T) {
+  x, err := ParseAmount("EUR:50")
+  _, err = x.Add(a)
+  if nil != err {
+    fmt.Println(err)
+    t.Errorf("Failed")
   }
 }