numbers_test.go 1.2 KB

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  1. // Copyright 2015 The go-ethereum Authors
  2. // This file is part of the go-ethereum library.
  3. //
  4. // The go-ethereum library is free software: you can redistribute it and/or modify
  5. // it under the terms of the GNU Lesser General Public License as published by
  6. // the Free Software Foundation, either version 3 of the License, or
  7. // (at your option) any later version.
  8. //
  9. // The go-ethereum library is distributed in the hope that it will be useful,
  10. // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. // GNU Lesser General Public License for more details.
  13. //
  14. // You should have received a copy of the GNU Lesser General Public License
  15. // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
  16. package abi
  17. import (
  18. "bytes"
  19. "math/big"
  20. "reflect"
  21. "testing"
  22. )
  23. func TestNumberTypes(t *testing.T) {
  24. ubytes := make([]byte, 32)
  25. ubytes[31] = 1
  26. unsigned := U256(big.NewInt(1))
  27. if !bytes.Equal(unsigned, ubytes) {
  28. t.Errorf("expected %x got %x", ubytes, unsigned)
  29. }
  30. }
  31. func TestSigned(t *testing.T) {
  32. if isSigned(reflect.ValueOf(uint(10))) {
  33. t.Error("signed")
  34. }
  35. if !isSigned(reflect.ValueOf(int(10))) {
  36. t.Error("not signed")
  37. }
  38. }