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Merge pull request #1043 from obscuren/test_fixes

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core/vm: optimisation on RETURN and updated tests
This commit is contained in:
Jeffrey Wilcke 2015-05-20 03:06:04 -07:00
commit 9bde7fd72e
3 changed files with 35 additions and 13 deletions
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12
core/vm/memory.go
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@ -49,6 +49,18 @@ func (self *Memory) Get(offset, size int64) (cpy []byte) {
return
}
func (self *Memory) GetPtr(offset, size int64) []byte {
if size == 0 {
return nil
}
if len(self.store) > int(offset) {
return self.store[offset : offset+size]
}
return nil
}
func (m *Memory) Len() int {
return len(m.store)
}

2
core/vm/vm.go
View File

@ -695,7 +695,7 @@ func (self *Vm) Run(context *Context, callData []byte) (ret []byte, err error) {
self.Printf("resume %x (%v)", context.Address(), context.Gas)
case RETURN:
offset, size := stack.pop(), stack.pop()
ret := mem.Get(offset.Int64(), size.Int64())
ret := mem.GetPtr(offset.Int64(), size.Int64())
self.Printf(" => [%v, %v] (%d) 0x%x", offset, size, len(ret), ret).Endl()

28
tests/vm/gh_test.go
View File

@ -4,6 +4,7 @@ import (
"bytes"
"io/ioutil"
"math/big"
"os"
"path/filepath"
"strconv"
"testing"
@ -87,7 +88,7 @@ func RunVmTest(p string, t *testing.T) {
vm.Debug = true
glog.SetV(4)
glog.SetToStderr(true)
if name != "stackLimitPush32_1024" {
if name != "Call50000_sha256" {
continue
}
*/
@ -128,10 +129,16 @@ func RunVmTest(p string, t *testing.T) {
ret, logs, gas, err = helper.RunState(statedb, env, test.Transaction)
}
switch name {
// the memory required for these tests (4294967297 bytes) would take too much time.
// on 19 May 2015 decided to skip these tests their output.
case "mload32bitBound_return", "mload32bitBound_return2":
default:
rexp := helper.FromHex(test.Out)
if bytes.Compare(rexp, ret) != 0 {
t.Errorf("%s's return failed. Expected %x, got %x\n", name, rexp, ret)
}
}
if isVmTest {
if len(test.Gas) == 0 && err == nil {
@ -246,8 +253,7 @@ func TestLogTest(t *testing.T) {
}
func TestPerformance(t *testing.T) {
t.Skip()
const fn = "../files/VMTests/vmPerformance.json"
const fn = "../files/VMTests/vmPerformanceTest.json"
RunVmTest(fn, t)
}
@ -281,13 +287,13 @@ func TestInputLimitsLight(t *testing.T) {
RunVmTest(fn, t)
}
func TestStateExample(t *testing.T) {
const fn = "../files/StateTests/stExample.json"
func TestStateSystemOperations(t *testing.T) {
const fn = "../files/StateTests/stSystemOperationsTest.json"
RunVmTest(fn, t)
}
func TestStateSystemOperations(t *testing.T) {
const fn = "../files/StateTests/stSystemOperationsTest.json"
func TestStateExample(t *testing.T) {
const fn = "../files/StateTests/stExample.json"
RunVmTest(fn, t)
}
@ -342,13 +348,17 @@ func TestMemory(t *testing.T) {
}
func TestMemoryStress(t *testing.T) {
t.Skip("Skipped due to...consuming too much memory :D")
if os.Getenv("TEST_VM_COMPLEX") == "" {
t.Skip()
}
const fn = "../files/StateTests/stMemoryStressTest.json"
RunVmTest(fn, t)
}
func TestQuadraticComplexity(t *testing.T) {
t.Skip() // takes too long
if os.Getenv("TEST_VM_COMPLEX") == "" {
t.Skip()
}
const fn = "../files/StateTests/stQuadraticComplexityTest.json"
RunVmTest(fn, t)
}