85 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			85 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package abi
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import (
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	"bytes"
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	"math/big"
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	"reflect"
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	"testing"
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)
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func TestNumberTypes(t *testing.T) {
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	ubytes := make([]byte, 32)
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	ubytes[31] = 1
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	sbytesmin := []byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
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	unsigned := U256(big.NewInt(1))
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	if !bytes.Equal(unsigned, ubytes) {
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		t.Errorf("expected %x got %x", ubytes, unsigned)
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	}
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	signed := S256(big.NewInt(1))
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	if !bytes.Equal(signed, ubytes) {
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		t.Errorf("expected %x got %x", ubytes, unsigned)
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	}
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	signed = S256(big.NewInt(-1))
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	if !bytes.Equal(signed, sbytesmin) {
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		t.Errorf("expected %x got %x", ubytes, unsigned)
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	}
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}
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func TestPackNumber(t *testing.T) {
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	ubytes := make([]byte, 32)
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	ubytes[31] = 1
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	sbytesmin := []byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
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	maxunsigned := []byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255}
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	packed := packNum(reflect.ValueOf(1), IntTy)
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	if !bytes.Equal(packed, ubytes) {
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		t.Errorf("expected %x got %x", ubytes, packed)
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	}
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	packed = packNum(reflect.ValueOf(-1), IntTy)
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	if !bytes.Equal(packed, sbytesmin) {
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		t.Errorf("expected %x got %x", ubytes, packed)
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	}
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	packed = packNum(reflect.ValueOf(1), UintTy)
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	if !bytes.Equal(packed, ubytes) {
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		t.Errorf("expected %x got %x", ubytes, packed)
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	}
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	packed = packNum(reflect.ValueOf(-1), UintTy)
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	if !bytes.Equal(packed, maxunsigned) {
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		t.Errorf("expected %x got %x", maxunsigned, packed)
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	}
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	packed = packNum(reflect.ValueOf("string"), UintTy)
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	if packed != nil {
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		t.Errorf("expected 'string' to pack to nil. got %x instead", packed)
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	}
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}
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func TestSigned(t *testing.T) {
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	if isSigned(reflect.ValueOf(uint(10))) {
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		t.Error("signed")
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	}
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	if !isSigned(reflect.ValueOf(int(10))) {
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		t.Error("not signed")
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	}
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}
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