plugeth/ethvm/vm_test.go
2014-10-14 12:21:46 +02:00

96 lines
2.1 KiB
Go

package ethvm
import (
"fmt"
"io/ioutil"
"log"
"math/big"
"testing"
"github.com/ethereum/eth-go/ethlog"
"github.com/ethereum/eth-go/ethstate"
"github.com/ethereum/eth-go/ethutil"
)
type TestEnv struct {
}
func (self TestEnv) Origin() []byte { return nil }
func (self TestEnv) BlockNumber() *big.Int { return nil }
func (self TestEnv) BlockHash() []byte { return nil }
func (self TestEnv) PrevHash() []byte { return nil }
func (self TestEnv) Coinbase() []byte { return nil }
func (self TestEnv) Time() int64 { return 0 }
func (self TestEnv) Difficulty() *big.Int { return nil }
func (self TestEnv) Value() *big.Int { return nil }
func (self TestEnv) State() *ethstate.State { return nil }
const mutcode = `
var x = 0;
for i := 0; i < 10; i++ {
x = i
}
return x`
func setup(level int, typ Type) (*Closure, VirtualMachine) {
code, err := ethutil.Compile(mutcode, true)
if err != nil {
log.Fatal(err)
}
// Pipe output to /dev/null
ethlog.AddLogSystem(ethlog.NewStdLogSystem(ioutil.Discard, log.LstdFlags, ethlog.LogLevel(level)))
ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "")
stateObject := ethstate.NewStateObject([]byte{'j', 'e', 'f', 'f'})
callerClosure := NewClosure(nil, stateObject, stateObject, code, big.NewInt(1000000), big.NewInt(0))
return callerClosure, New(TestEnv{}, typ)
}
func TestDebugVm(t *testing.T) {
closure, vm := setup(4, DebugVmTy)
ret, _, e := closure.Call(vm, nil)
if e != nil {
fmt.Println("error", e)
}
if ret[len(ret)-1] != 9 {
t.Errorf("Expected VM to return 1, got", ret, "instead.")
}
}
func TestVm(t *testing.T) {
closure, vm := setup(4, StandardVmTy)
ret, _, e := closure.Call(vm, nil)
if e != nil {
fmt.Println("error", e)
}
if ret[len(ret)-1] != 9 {
t.Errorf("Expected VM to return 1, got", ret, "instead.")
}
}
func BenchmarkDebugVm(b *testing.B) {
closure, vm := setup(3, DebugVmTy)
b.ResetTimer()
for i := 0; i < b.N; i++ {
closure.Call(vm, nil)
}
}
func BenchmarkVm(b *testing.B) {
closure, vm := setup(3, StandardVmTy)
b.ResetTimer()
for i := 0; i < b.N; i++ {
closure.Call(vm, nil)
}
}