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path: root/accounts/abi/numbers_test.go
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// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

package abi

import (
    "bytes"
    "math/big"
    "reflect"
    "testing"
)

func TestNumberTypes(t *testing.T) {
    ubytes := make([]byte, 32)
    ubytes[31] = 1

    unsigned := U256(big.NewInt(1))
    if !bytes.Equal(unsigned, ubytes) {
        t.Errorf("expected %x got %x", ubytes, unsigned)
    }
}

func TestSigned(t *testing.T) {
    if isSigned(reflect.ValueOf(uint(10))) {
        t.Error("signed")
    }

    if !isSigned(reflect.ValueOf(int(10))) {
        t.Error("not signed")
    }
}