go-ethereum/core/vm/eof_test.go
2024-09-08 12:37:14 +02:00

119 lines
3.3 KiB
Go

// Copyright 2022 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 vm
import (
"encoding/hex"
"fmt"
"reflect"
"testing"
"github.com/ethereum/go-ethereum/common"
)
func TestEOFMarshaling(t *testing.T) {
for i, test := range []struct {
want Container
err error
}{
{
want: Container{
Types: []*FunctionMetadata{{Input: 0, Output: 0x80, MaxStackHeight: 1}},
Code: [][]byte{common.Hex2Bytes("604200")},
Data: []byte{0x01, 0x02, 0x03},
DataSize: 3,
},
},
{
want: Container{
Types: []*FunctionMetadata{{Input: 0, Output: 0x80, MaxStackHeight: 1}},
Code: [][]byte{common.Hex2Bytes("604200")},
Data: []byte{0x01, 0x02, 0x03},
DataSize: 3,
},
},
{
want: Container{
Types: []*FunctionMetadata{
{Input: 0, Output: 0x80, MaxStackHeight: 1},
{Input: 2, Output: 3, MaxStackHeight: 4},
{Input: 1, Output: 1, MaxStackHeight: 1},
},
Code: [][]byte{
common.Hex2Bytes("604200"),
common.Hex2Bytes("6042604200"),
common.Hex2Bytes("00"),
},
Data: []byte{},
},
},
} {
var (
b = test.want.MarshalBinary()
got Container
)
t.Logf("b: %#x", b)
if err := got.UnmarshalBinary(b); err != nil && err != test.err {
t.Fatalf("test %d: got error \"%v\", want \"%v\"", i, err, test.err)
}
if !reflect.DeepEqual(got, test.want) {
t.Fatalf("test %d: got %+v, want %+v", i, got, test.want)
}
}
}
func TestEOFSubcontainer(t *testing.T) {
var subcontainer = new(Container)
if err := subcontainer.UnmarshalBinary(common.Hex2Bytes("ef000101000402000100010400000000800000fe")); err != nil {
t.Fatal(err)
}
container := Container{
Types: []*FunctionMetadata{{Input: 0, Output: 0x80, MaxStackHeight: 1}},
Code: [][]byte{common.Hex2Bytes("604200")},
ContainerSections: []*Container{subcontainer},
Data: []byte{0x01, 0x02, 0x03},
DataSize: 3,
}
var (
b = container.MarshalBinary()
got Container
)
if err := got.UnmarshalBinary(b); err != nil {
t.Fatal(err)
}
fmt.Print(got)
if res := got.MarshalBinary(); !reflect.DeepEqual(res, b) {
t.Fatalf("invalid marshalling, want %v got %v", b, res)
}
}
func TestMarshaling(t *testing.T) {
tests := []string{
"EF000101000402000100040400000000800000E0000000",
"ef0001010004020001000d04000000008000025fe100055f5fe000035f600100",
}
for i, test := range tests {
s, err := hex.DecodeString(test)
if err != nil {
t.Fatalf("test %d: error decoding: %v", i, err)
}
var got Container
if err := got.UnmarshalBinary(s); err != nil {
t.Fatalf("test %d: got error %v", i, err)
}
}
}