github.com/vantum/vantum@v0.0.0-20180815184342-fe37d5f7a990/accounts/abi/numbers_test.go (about)

     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  
    17  package abi
    18  
    19  import (
    20  	"bytes"
    21  	"math/big"
    22  	"reflect"
    23  	"testing"
    24  )
    25  
    26  func TestNumberTypes(t *testing.T) {
    27  	ubytes := make([]byte, 32)
    28  	ubytes[31] = 1
    29  
    30  	unsigned := U256(big.NewInt(1))
    31  	if !bytes.Equal(unsigned, ubytes) {
    32  		t.Errorf("expected %x got %x", ubytes, unsigned)
    33  	}
    34  }
    35  
    36  func TestSigned(t *testing.T) {
    37  	if isSigned(reflect.ValueOf(uint(10))) {
    38  		t.Error("signed")
    39  	}
    40  
    41  	if !isSigned(reflect.ValueOf(int(10))) {
    42  		t.Error("not signed")
    43  	}
    44  }