forked from TrueCloudLab/neoneo-go
fc1075bf75
Same thing done in a2a8981979 for PUSHBYTES,
failing to read the amount of bytes specified should lead to FAULT. Also
makes readUint16() and readUint32() panic as this is the behavior we want in
these cases. Add some tests along the way.
1141 lines
28 KiB
Go
1141 lines
28 KiB
Go
package vm
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import (
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"bytes"
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"encoding/hex"
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"math/big"
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"math/rand"
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"testing"
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"github.com/CityOfZion/neo-go/pkg/util"
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"github.com/stretchr/testify/assert"
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)
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func TestInteropHook(t *testing.T) {
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v := New(ModeMute)
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v.RegisterInteropFunc("foo", func(evm *VM) error {
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evm.Estack().PushVal(1)
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return nil
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})
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buf := new(bytes.Buffer)
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EmitSyscall(buf, "foo")
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EmitOpcode(buf, RET)
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v.Load(buf.Bytes())
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v.Run()
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assert.Equal(t, false, v.state.HasFlag(faultState))
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assert.Equal(t, 1, v.estack.Len())
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assert.Equal(t, big.NewInt(1), v.estack.Pop().value.Value())
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}
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func TestRegisterInterop(t *testing.T) {
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v := New(ModeMute)
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currRegistered := len(v.interop)
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v.RegisterInteropFunc("foo", func(evm *VM) error { return nil })
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assert.Equal(t, currRegistered+1, len(v.interop))
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_, ok := v.interop["foo"]
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assert.Equal(t, true, ok)
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}
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func TestPushBytes1to75(t *testing.T) {
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buf := new(bytes.Buffer)
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for i := 1; i <= 75; i++ {
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b := randomBytes(i)
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EmitBytes(buf, b)
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vm := load(buf.Bytes())
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vm.Step()
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assert.Equal(t, 1, vm.estack.Len())
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elem := vm.estack.Pop()
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assert.IsType(t, &ByteArrayItem{}, elem.value)
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assert.IsType(t, elem.Bytes(), b)
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assert.Equal(t, 0, vm.estack.Len())
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vm.execute(nil, RET)
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assert.Equal(t, 0, vm.astack.Len())
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assert.Equal(t, 0, vm.istack.Len())
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buf.Reset()
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}
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}
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func TestPushBytesNoParam(t *testing.T) {
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prog := make([]byte, 1)
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prog[0] = byte(PUSHBYTES1)
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vm := load(prog)
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vm.Run()
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assert.Equal(t, true, vm.state.HasFlag(faultState))
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}
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func TestPushBytesShort(t *testing.T) {
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prog := make([]byte, 10)
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prog[0] = byte(PUSHBYTES10) // but only 9 left in the `prog`
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vm := load(prog)
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vm.Run()
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assert.Equal(t, true, vm.state.HasFlag(faultState))
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}
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func TestPushm1to16(t *testing.T) {
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var prog []byte
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for i := int(PUSHM1); i <= int(PUSH16); i++ {
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if i == 80 {
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continue // opcode layout we got here.
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}
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prog = append(prog, byte(i))
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}
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vm := load(prog)
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for i := int(PUSHM1); i <= int(PUSH16); i++ {
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if i == 80 {
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continue // nice opcode layout we got here.
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}
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vm.Step()
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elem := vm.estack.Pop()
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assert.IsType(t, &BigIntegerItem{}, elem.value)
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val := i - int(PUSH1) + 1
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assert.Equal(t, elem.BigInt().Int64(), int64(val))
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}
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}
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func TestPushData1BadNoN(t *testing.T) {
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prog := []byte{byte(PUSHDATA1)}
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vm := load(prog)
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vm.Run()
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assert.Equal(t, true, vm.state.HasFlag(faultState))
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}
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func TestPushData1BadN(t *testing.T) {
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prog := []byte{byte(PUSHDATA1), 1}
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vm := load(prog)
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vm.Run()
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assert.Equal(t, true, vm.state.HasFlag(faultState))
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}
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func TestPushData1Good(t *testing.T) {
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prog := makeProgram(PUSHDATA1, 3, 1, 2, 3)
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vm := load(prog)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, 1, vm.estack.Len())
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assert.Equal(t, []byte{1, 2, 3}, vm.estack.Pop().Bytes())
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}
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func TestPushData2BadNoN(t *testing.T) {
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prog := []byte{byte(PUSHDATA2)}
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vm := load(prog)
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vm.Run()
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assert.Equal(t, true, vm.state.HasFlag(faultState))
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}
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func TestPushData2ShortN(t *testing.T) {
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prog := []byte{byte(PUSHDATA2), 0}
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vm := load(prog)
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vm.Run()
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assert.Equal(t, true, vm.state.HasFlag(faultState))
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}
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func TestPushData2BadN(t *testing.T) {
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prog := []byte{byte(PUSHDATA2), 1, 0}
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vm := load(prog)
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vm.Run()
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assert.Equal(t, true, vm.state.HasFlag(faultState))
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}
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func TestPushData2Good(t *testing.T) {
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prog := makeProgram(PUSHDATA2, 3, 0, 1, 2, 3)
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vm := load(prog)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, 1, vm.estack.Len())
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assert.Equal(t, []byte{1, 2, 3}, vm.estack.Pop().Bytes())
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}
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func TestPushData4BadNoN(t *testing.T) {
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prog := []byte{byte(PUSHDATA4)}
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vm := load(prog)
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vm.Run()
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assert.Equal(t, true, vm.state.HasFlag(faultState))
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}
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func TestPushData4BadN(t *testing.T) {
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prog := []byte{byte(PUSHDATA4), 1, 0, 0, 0}
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vm := load(prog)
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vm.Run()
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assert.Equal(t, true, vm.state.HasFlag(faultState))
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}
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func TestPushData4ShortN(t *testing.T) {
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prog := []byte{byte(PUSHDATA4), 0, 0, 0}
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vm := load(prog)
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vm.Run()
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assert.Equal(t, true, vm.state.HasFlag(faultState))
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}
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func TestPushData4Good(t *testing.T) {
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prog := makeProgram(PUSHDATA4, 3, 0, 0, 0, 1, 2, 3)
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vm := load(prog)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, 1, vm.estack.Len())
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assert.Equal(t, []byte{1, 2, 3}, vm.estack.Pop().Bytes())
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}
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func TestNOTNoArgument(t *testing.T) {
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prog := makeProgram(NOT)
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vm := load(prog)
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vm.Run()
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assert.Equal(t, true, vm.state.HasFlag(faultState))
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}
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func TestNOTBool(t *testing.T) {
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prog := makeProgram(NOT)
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vm := load(prog)
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vm.estack.PushVal(false)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, &BoolItem{true}, vm.estack.Pop().value)
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}
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func TestNOTNonZeroInt(t *testing.T) {
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prog := makeProgram(NOT)
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vm := load(prog)
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vm.estack.PushVal(3)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, &BoolItem{false}, vm.estack.Pop().value)
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}
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func TestNOTArray(t *testing.T) {
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prog := makeProgram(NOT)
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vm := load(prog)
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vm.estack.PushVal([]StackItem{})
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, &BoolItem{false}, vm.estack.Pop().value)
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}
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func TestNOTStruct(t *testing.T) {
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prog := makeProgram(NOT)
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vm := load(prog)
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vm.estack.Push(NewElement(&StructItem{[]StackItem{}}))
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, &BoolItem{false}, vm.estack.Pop().value)
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}
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func TestNOTByteArray0(t *testing.T) {
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prog := makeProgram(NOT)
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vm := load(prog)
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vm.estack.PushVal([]byte{0, 0})
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, &BoolItem{true}, vm.estack.Pop().value)
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}
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func TestNOTByteArray1(t *testing.T) {
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prog := makeProgram(NOT)
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vm := load(prog)
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vm.estack.PushVal([]byte{0, 1})
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, &BoolItem{false}, vm.estack.Pop().value)
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}
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func TestAdd(t *testing.T) {
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prog := makeProgram(ADD)
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vm := load(prog)
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vm.estack.PushVal(4)
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vm.estack.PushVal(2)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, int64(6), vm.estack.Pop().BigInt().Int64())
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}
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func TestMul(t *testing.T) {
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prog := makeProgram(MUL)
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vm := load(prog)
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vm.estack.PushVal(4)
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vm.estack.PushVal(2)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, int64(8), vm.estack.Pop().BigInt().Int64())
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}
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func TestDiv(t *testing.T) {
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prog := makeProgram(DIV)
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vm := load(prog)
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vm.estack.PushVal(4)
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vm.estack.PushVal(2)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, int64(2), vm.estack.Pop().BigInt().Int64())
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}
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func TestSub(t *testing.T) {
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prog := makeProgram(SUB)
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vm := load(prog)
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vm.estack.PushVal(4)
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vm.estack.PushVal(2)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, int64(2), vm.estack.Pop().BigInt().Int64())
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}
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func TestLT(t *testing.T) {
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prog := makeProgram(LT)
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vm := load(prog)
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vm.estack.PushVal(4)
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vm.estack.PushVal(3)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, false, vm.estack.Pop().Bool())
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}
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func TestLTE(t *testing.T) {
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prog := makeProgram(LTE)
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vm := load(prog)
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vm.estack.PushVal(2)
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vm.estack.PushVal(3)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, true, vm.estack.Pop().Bool())
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}
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func TestGT(t *testing.T) {
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prog := makeProgram(GT)
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vm := load(prog)
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vm.estack.PushVal(9)
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vm.estack.PushVal(3)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, true, vm.estack.Pop().Bool())
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}
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func TestGTE(t *testing.T) {
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prog := makeProgram(GTE)
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vm := load(prog)
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vm.estack.PushVal(3)
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vm.estack.PushVal(3)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, true, vm.estack.Pop().Bool())
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}
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func TestDepth(t *testing.T) {
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prog := makeProgram(DEPTH)
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vm := load(prog)
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vm.estack.PushVal(1)
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vm.estack.PushVal(2)
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vm.estack.PushVal(3)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, int64(3), vm.estack.Pop().BigInt().Int64())
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}
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func TestNumEqual(t *testing.T) {
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prog := makeProgram(NUMEQUAL)
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vm := load(prog)
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vm.estack.PushVal(1)
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vm.estack.PushVal(2)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, false, vm.estack.Pop().Bool())
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}
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func TestNumNotEqual(t *testing.T) {
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prog := makeProgram(NUMNOTEQUAL)
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vm := load(prog)
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vm.estack.PushVal(2)
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vm.estack.PushVal(2)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, false, vm.estack.Pop().Bool())
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}
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func TestINC(t *testing.T) {
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prog := makeProgram(INC)
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vm := load(prog)
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vm.estack.PushVal(1)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, big.NewInt(2), vm.estack.Pop().BigInt())
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}
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func TestNEWARRAYInteger(t *testing.T) {
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prog := makeProgram(NEWARRAY)
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vm := load(prog)
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vm.estack.PushVal(1)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, 1, vm.estack.Len())
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assert.Equal(t, &ArrayItem{make([]StackItem, 1)}, vm.estack.Pop().value)
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}
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func TestNEWARRAYStruct(t *testing.T) {
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prog := makeProgram(NEWARRAY)
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vm := load(prog)
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arr := []StackItem{makeStackItem(42)}
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vm.estack.Push(&Element{value: &StructItem{arr}})
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, 1, vm.estack.Len())
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assert.Equal(t, &ArrayItem{arr}, vm.estack.Pop().value)
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}
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func TestNEWARRAYArray(t *testing.T) {
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prog := makeProgram(NEWARRAY)
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vm := load(prog)
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arr := []StackItem{makeStackItem(42)}
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vm.estack.Push(&Element{value: &ArrayItem{arr}})
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, 1, vm.estack.Len())
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assert.Equal(t, &ArrayItem{arr}, vm.estack.Pop().value)
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}
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func TestNEWARRAYWrongType(t *testing.T) {
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prog := makeProgram(NEWARRAY)
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vm := load(prog)
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vm.estack.Push(NewElement([]byte{}))
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vm.Run()
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assert.Equal(t, true, vm.state.HasFlag(faultState))
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}
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func TestNEWSTRUCTInteger(t *testing.T) {
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prog := makeProgram(NEWSTRUCT)
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vm := load(prog)
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vm.estack.PushVal(1)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, 1, vm.estack.Len())
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assert.Equal(t, &StructItem{make([]StackItem, 1)}, vm.estack.Pop().value)
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}
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func TestNEWSTRUCTArray(t *testing.T) {
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prog := makeProgram(NEWSTRUCT)
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vm := load(prog)
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arr := []StackItem{makeStackItem(42)}
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vm.estack.Push(&Element{value: &ArrayItem{arr}})
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, 1, vm.estack.Len())
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assert.Equal(t, &StructItem{arr}, vm.estack.Pop().value)
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}
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|
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func TestNEWSTRUCTStruct(t *testing.T) {
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prog := makeProgram(NEWSTRUCT)
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vm := load(prog)
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arr := []StackItem{makeStackItem(42)}
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vm.estack.Push(&Element{value: &StructItem{arr}})
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, 1, vm.estack.Len())
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assert.Equal(t, &StructItem{arr}, vm.estack.Pop().value)
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}
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|
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func TestNEWSTRUCTWrongType(t *testing.T) {
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prog := makeProgram(NEWSTRUCT)
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vm := load(prog)
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vm.estack.Push(NewElement([]byte{}))
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vm.Run()
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assert.Equal(t, true, vm.state.HasFlag(faultState))
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}
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|
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func TestSIGNNoArgument(t *testing.T) {
|
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prog := makeProgram(SIGN)
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vm := load(prog)
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vm.Run()
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assert.Equal(t, true, vm.state.HasFlag(faultState))
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}
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|
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func TestSIGNWrongType(t *testing.T) {
|
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prog := makeProgram(SIGN)
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vm := load(prog)
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vm.estack.PushVal([]StackItem{})
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vm.Run()
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assert.Equal(t, true, vm.state.HasFlag(faultState))
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}
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|
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func TestSIGNBool(t *testing.T) {
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prog := makeProgram(SIGN)
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vm := load(prog)
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vm.estack.PushVal(false)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, 1, vm.estack.Len())
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assert.Equal(t, &BigIntegerItem{big.NewInt(0)}, vm.estack.Pop().value)
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}
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|
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func TestSIGNPositiveInt(t *testing.T) {
|
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prog := makeProgram(SIGN)
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vm := load(prog)
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vm.estack.PushVal(1)
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vm.Run()
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assert.Equal(t, false, vm.state.HasFlag(faultState))
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assert.Equal(t, 1, vm.estack.Len())
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assert.Equal(t, &BigIntegerItem{big.NewInt(1)}, vm.estack.Pop().value)
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}
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|
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func TestSIGNNegativeInt(t *testing.T) {
|
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prog := makeProgram(SIGN)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(-1)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, 1, vm.estack.Len())
|
|
assert.Equal(t, &BigIntegerItem{big.NewInt(-1)}, vm.estack.Pop().value)
|
|
}
|
|
|
|
func TestSIGNZero(t *testing.T) {
|
|
prog := makeProgram(SIGN)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(0)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, 1, vm.estack.Len())
|
|
assert.Equal(t, &BigIntegerItem{big.NewInt(0)}, vm.estack.Pop().value)
|
|
}
|
|
|
|
func TestSIGNByteArray(t *testing.T) {
|
|
prog := makeProgram(SIGN)
|
|
vm := load(prog)
|
|
vm.estack.PushVal([]byte{0, 1})
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, 1, vm.estack.Len())
|
|
assert.Equal(t, &BigIntegerItem{big.NewInt(1)}, vm.estack.Pop().value)
|
|
}
|
|
|
|
func TestAppCall(t *testing.T) {
|
|
prog := []byte{byte(APPCALL)}
|
|
hash := util.Uint160{}
|
|
prog = append(prog, hash.Bytes()...)
|
|
prog = append(prog, byte(RET))
|
|
|
|
vm := load(prog)
|
|
vm.scripts[hash] = makeProgram(DEPTH)
|
|
vm.estack.PushVal(2)
|
|
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
elem := vm.estack.Pop() // depth should be 1
|
|
assert.Equal(t, int64(1), elem.BigInt().Int64())
|
|
}
|
|
|
|
func TestSimpleCall(t *testing.T) {
|
|
progStr := "52c56b525a7c616516006c766b00527ac46203006c766b00c3616c756653c56b6c766b00527ac46c766b51527ac46203006c766b00c36c766b51c393616c7566"
|
|
result := 12
|
|
|
|
prog, err := hex.DecodeString(progStr)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
vm := load(prog)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, result, int(vm.estack.Pop().BigInt().Int64()))
|
|
}
|
|
|
|
func TestNZtrue(t *testing.T) {
|
|
prog := makeProgram(NZ)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, true, vm.estack.Pop().Bool())
|
|
}
|
|
|
|
func TestNZfalse(t *testing.T) {
|
|
prog := makeProgram(NZ)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(0)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, false, vm.estack.Pop().Bool())
|
|
}
|
|
|
|
func TestPICKbadNoitem(t *testing.T) {
|
|
prog := makeProgram(PICK)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestPICKbadNegative(t *testing.T) {
|
|
prog := makeProgram(PICK)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(-1)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestPICKgood(t *testing.T) {
|
|
prog := makeProgram(PICK)
|
|
result := 2
|
|
vm := load(prog)
|
|
vm.estack.PushVal(0)
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(result)
|
|
vm.estack.PushVal(3)
|
|
vm.estack.PushVal(4)
|
|
vm.estack.PushVal(5)
|
|
vm.estack.PushVal(3)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, int64(result), vm.estack.Pop().BigInt().Int64())
|
|
}
|
|
|
|
func TestXTUCKbadNoitem(t *testing.T) {
|
|
prog := makeProgram(XTUCK)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestXTUCKbadNoN(t *testing.T) {
|
|
prog := makeProgram(XTUCK)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(2)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestXTUCKbadNegative(t *testing.T) {
|
|
prog := makeProgram(XTUCK)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(-1)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestXTUCKgood(t *testing.T) {
|
|
prog := makeProgram(XTUCK)
|
|
topelement := 5
|
|
xtuckdepth := 3
|
|
vm := load(prog)
|
|
vm.estack.PushVal(0)
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(2)
|
|
vm.estack.PushVal(3)
|
|
vm.estack.PushVal(4)
|
|
vm.estack.PushVal(topelement)
|
|
vm.estack.PushVal(xtuckdepth)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, int64(topelement), vm.estack.Peek(0).BigInt().Int64())
|
|
assert.Equal(t, int64(topelement), vm.estack.Peek(xtuckdepth).BigInt().Int64())
|
|
}
|
|
|
|
func TestTUCKbadNoitems(t *testing.T) {
|
|
prog := makeProgram(TUCK)
|
|
vm := load(prog)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestTUCKbadNoitem(t *testing.T) {
|
|
prog := makeProgram(TUCK)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestTUCKgood(t *testing.T) {
|
|
prog := makeProgram(TUCK)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(42)
|
|
vm.estack.PushVal(34)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, int64(34), vm.estack.Peek(0).BigInt().Int64())
|
|
assert.Equal(t, int64(42), vm.estack.Peek(1).BigInt().Int64())
|
|
assert.Equal(t, int64(34), vm.estack.Peek(2).BigInt().Int64())
|
|
}
|
|
|
|
func TestTUCKgood2(t *testing.T) {
|
|
prog := makeProgram(TUCK)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(11)
|
|
vm.estack.PushVal(42)
|
|
vm.estack.PushVal(34)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, int64(34), vm.estack.Peek(0).BigInt().Int64())
|
|
assert.Equal(t, int64(42), vm.estack.Peek(1).BigInt().Int64())
|
|
assert.Equal(t, int64(34), vm.estack.Peek(2).BigInt().Int64())
|
|
assert.Equal(t, int64(11), vm.estack.Peek(3).BigInt().Int64())
|
|
}
|
|
|
|
func TestOVERbadNoitem(t *testing.T) {
|
|
prog := makeProgram(OVER)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestOVERbadNoitems(t *testing.T) {
|
|
prog := makeProgram(OVER)
|
|
vm := load(prog)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestOVERgood(t *testing.T) {
|
|
prog := makeProgram(OVER)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(42)
|
|
vm.estack.PushVal(34)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, int64(42), vm.estack.Peek(0).BigInt().Int64())
|
|
assert.Equal(t, int64(34), vm.estack.Peek(1).BigInt().Int64())
|
|
assert.Equal(t, int64(42), vm.estack.Peek(2).BigInt().Int64())
|
|
assert.Equal(t, 3, vm.estack.Len())
|
|
}
|
|
|
|
func TestXDROPbadNoitem(t *testing.T) {
|
|
prog := makeProgram(XDROP)
|
|
vm := load(prog)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestXDROPbadNoN(t *testing.T) {
|
|
prog := makeProgram(XDROP)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(2)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestXDROPbadNegative(t *testing.T) {
|
|
prog := makeProgram(XDROP)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(-1)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestXDROPgood(t *testing.T) {
|
|
prog := makeProgram(XDROP)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(0)
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(2)
|
|
vm.estack.PushVal(2)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, 2, vm.estack.Len())
|
|
assert.Equal(t, int64(2), vm.estack.Peek(0).BigInt().Int64())
|
|
assert.Equal(t, int64(1), vm.estack.Peek(1).BigInt().Int64())
|
|
}
|
|
|
|
func TestINVERTbadNoitem(t *testing.T) {
|
|
prog := makeProgram(INVERT)
|
|
vm := load(prog)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestINVERTgood1(t *testing.T) {
|
|
prog := makeProgram(INVERT)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(0)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, int64(-1), vm.estack.Peek(0).BigInt().Int64())
|
|
}
|
|
|
|
func TestINVERTgood2(t *testing.T) {
|
|
prog := makeProgram(INVERT)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(-1)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, int64(0), vm.estack.Peek(0).BigInt().Int64())
|
|
}
|
|
|
|
func TestINVERTgood3(t *testing.T) {
|
|
prog := makeProgram(INVERT)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(0x69)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, int64(-0x6A), vm.estack.Peek(0).BigInt().Int64())
|
|
}
|
|
|
|
func TestCATBadNoArgs(t *testing.T) {
|
|
prog := makeProgram(CAT)
|
|
vm := load(prog)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestCATBadOneArg(t *testing.T) {
|
|
prog := makeProgram(CAT)
|
|
vm := load(prog)
|
|
vm.estack.PushVal([]byte("abc"))
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestCATGood(t *testing.T) {
|
|
prog := makeProgram(CAT)
|
|
vm := load(prog)
|
|
vm.estack.PushVal([]byte("abc"))
|
|
vm.estack.PushVal([]byte("def"))
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, 1, vm.estack.Len())
|
|
assert.Equal(t, []byte("abcdef"), vm.estack.Peek(0).Bytes())
|
|
}
|
|
|
|
func TestCATInt0ByteArray(t *testing.T) {
|
|
prog := makeProgram(CAT)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(0)
|
|
vm.estack.PushVal([]byte{})
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, 1, vm.estack.Len())
|
|
assert.Equal(t, &ByteArrayItem{[]byte{}}, vm.estack.Pop().value)
|
|
}
|
|
|
|
func TestCATByteArrayInt1(t *testing.T) {
|
|
prog := makeProgram(CAT)
|
|
vm := load(prog)
|
|
vm.estack.PushVal([]byte{})
|
|
vm.estack.PushVal(1)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, 1, vm.estack.Len())
|
|
assert.Equal(t, &ByteArrayItem{[]byte{1}}, vm.estack.Pop().value)
|
|
}
|
|
|
|
func TestSUBSTRBadNoArgs(t *testing.T) {
|
|
prog := makeProgram(SUBSTR)
|
|
vm := load(prog)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestSUBSTRBadOneArg(t *testing.T) {
|
|
prog := makeProgram(SUBSTR)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestSUBSTRBadTwoArgs(t *testing.T) {
|
|
prog := makeProgram(SUBSTR)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(0)
|
|
vm.estack.PushVal(2)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestSUBSTRGood(t *testing.T) {
|
|
prog := makeProgram(SUBSTR)
|
|
vm := load(prog)
|
|
vm.estack.PushVal([]byte("abcdef"))
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(2)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, 1, vm.estack.Len())
|
|
assert.Equal(t, []byte("bc"), vm.estack.Peek(0).Bytes())
|
|
}
|
|
|
|
func TestSUBSTRBadOffset(t *testing.T) {
|
|
prog := makeProgram(SUBSTR)
|
|
vm := load(prog)
|
|
vm.estack.PushVal([]byte("abcdef"))
|
|
vm.estack.PushVal(6)
|
|
vm.estack.PushVal(1)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestSUBSTRBadLen(t *testing.T) {
|
|
prog := makeProgram(SUBSTR)
|
|
vm := load(prog)
|
|
vm.estack.PushVal([]byte("abcdef"))
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(6)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestLEFTBadNoArgs(t *testing.T) {
|
|
prog := makeProgram(LEFT)
|
|
vm := load(prog)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestLEFTBadNoString(t *testing.T) {
|
|
prog := makeProgram(LEFT)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(2)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestLEFTGood(t *testing.T) {
|
|
prog := makeProgram(LEFT)
|
|
vm := load(prog)
|
|
vm.estack.PushVal([]byte("abcdef"))
|
|
vm.estack.PushVal(2)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, 1, vm.estack.Len())
|
|
assert.Equal(t, []byte("ab"), vm.estack.Peek(0).Bytes())
|
|
}
|
|
|
|
func TestLEFTGoodLen(t *testing.T) {
|
|
prog := makeProgram(LEFT)
|
|
vm := load(prog)
|
|
vm.estack.PushVal([]byte("abcdef"))
|
|
vm.estack.PushVal(8)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, 1, vm.estack.Len())
|
|
assert.Equal(t, []byte("abcdef"), vm.estack.Peek(0).Bytes())
|
|
}
|
|
|
|
func TestRIGHTBadNoArgs(t *testing.T) {
|
|
prog := makeProgram(RIGHT)
|
|
vm := load(prog)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestRIGHTBadNoString(t *testing.T) {
|
|
prog := makeProgram(RIGHT)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(2)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestRIGHTGood(t *testing.T) {
|
|
prog := makeProgram(RIGHT)
|
|
vm := load(prog)
|
|
vm.estack.PushVal([]byte("abcdef"))
|
|
vm.estack.PushVal(2)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, 1, vm.estack.Len())
|
|
assert.Equal(t, []byte("ef"), vm.estack.Peek(0).Bytes())
|
|
}
|
|
|
|
func TestRIGHTBadLen(t *testing.T) {
|
|
prog := makeProgram(RIGHT)
|
|
vm := load(prog)
|
|
vm.estack.PushVal([]byte("abcdef"))
|
|
vm.estack.PushVal(8)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestPACKBadLen(t *testing.T) {
|
|
prog := makeProgram(PACK)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestPACKGoodZeroLen(t *testing.T) {
|
|
prog := makeProgram(PACK)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(0)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, 1, vm.estack.Len())
|
|
assert.Equal(t, []StackItem{}, vm.estack.Peek(0).Array())
|
|
}
|
|
|
|
func TestPACKGood(t *testing.T) {
|
|
prog := makeProgram(PACK)
|
|
elements := []int{55, 34, 42}
|
|
vm := load(prog)
|
|
// canary
|
|
vm.estack.PushVal(1)
|
|
for i := len(elements) - 1; i >= 0; i-- {
|
|
vm.estack.PushVal(elements[i])
|
|
}
|
|
vm.estack.PushVal(len(elements))
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, 2, vm.estack.Len())
|
|
a := vm.estack.Peek(0).Array()
|
|
assert.Equal(t, len(elements), len(a))
|
|
for i := 0; i < len(elements); i++ {
|
|
e := a[i].Value().(*big.Int)
|
|
assert.Equal(t, int64(elements[i]), e.Int64())
|
|
}
|
|
assert.Equal(t, int64(1), vm.estack.Peek(1).BigInt().Int64())
|
|
}
|
|
|
|
func TestUNPACKBadNotArray(t *testing.T) {
|
|
prog := makeProgram(UNPACK)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestUNPACKGood(t *testing.T) {
|
|
prog := makeProgram(UNPACK)
|
|
elements := []int{55, 34, 42}
|
|
vm := load(prog)
|
|
// canary
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(elements)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, 5, vm.estack.Len())
|
|
assert.Equal(t, int64(len(elements)), vm.estack.Peek(0).BigInt().Int64())
|
|
for k, v := range elements {
|
|
assert.Equal(t, int64(v), vm.estack.Peek(k+1).BigInt().Int64())
|
|
}
|
|
assert.Equal(t, int64(1), vm.estack.Peek(len(elements)+1).BigInt().Int64())
|
|
}
|
|
|
|
func TestREVERSEBadNotArray(t *testing.T) {
|
|
prog := makeProgram(REVERSE)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestREVERSEGoodOneElem(t *testing.T) {
|
|
prog := makeProgram(REVERSE)
|
|
elements := []int{22}
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(elements)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, 2, vm.estack.Len())
|
|
a := vm.estack.Peek(0).Array()
|
|
assert.Equal(t, len(elements), len(a))
|
|
e := a[0].Value().(*big.Int)
|
|
assert.Equal(t, int64(elements[0]), e.Int64())
|
|
}
|
|
|
|
func TestREVERSEGood(t *testing.T) {
|
|
eodd := []int{22, 34, 42, 55, 81}
|
|
even := []int{22, 34, 42, 55, 81, 99}
|
|
eall := [][]int{eodd, even}
|
|
|
|
for _, elements := range eall {
|
|
prog := makeProgram(REVERSE)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(elements)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, 2, vm.estack.Len())
|
|
a := vm.estack.Peek(0).Array()
|
|
assert.Equal(t, len(elements), len(a))
|
|
for k, v := range elements {
|
|
e := a[len(a)-1-k].Value().(*big.Int)
|
|
assert.Equal(t, int64(v), e.Int64())
|
|
}
|
|
assert.Equal(t, int64(1), vm.estack.Peek(1).BigInt().Int64())
|
|
}
|
|
}
|
|
|
|
func TestREMOVEBadNoArgs(t *testing.T) {
|
|
prog := makeProgram(REMOVE)
|
|
vm := load(prog)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestREMOVEBadOneArg(t *testing.T) {
|
|
prog := makeProgram(REMOVE)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestREMOVEBadNotArray(t *testing.T) {
|
|
prog := makeProgram(REMOVE)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(1)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestREMOVEBadIndex(t *testing.T) {
|
|
prog := makeProgram(REMOVE)
|
|
elements := []int{22, 34, 42, 55, 81}
|
|
vm := load(prog)
|
|
vm.estack.PushVal(elements)
|
|
vm.estack.PushVal(10)
|
|
vm.Run()
|
|
assert.Equal(t, true, vm.state.HasFlag(faultState))
|
|
}
|
|
|
|
func TestREMOVEGood(t *testing.T) {
|
|
prog := makeProgram(REMOVE)
|
|
elements := []int{22, 34, 42, 55, 81}
|
|
reselements := []int{22, 34, 55, 81}
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(elements)
|
|
vm.estack.PushVal(2)
|
|
vm.Run()
|
|
assert.Equal(t, false, vm.state.HasFlag(faultState))
|
|
assert.Equal(t, 2, vm.estack.Len())
|
|
a := vm.estack.Peek(0).Array()
|
|
assert.Equal(t, len(reselements), len(a))
|
|
for k, v := range reselements {
|
|
e := a[k].Value().(*big.Int)
|
|
assert.Equal(t, int64(v), e.Int64())
|
|
}
|
|
assert.Equal(t, int64(1), vm.estack.Peek(1).BigInt().Int64())
|
|
}
|
|
|
|
func makeProgram(opcodes ...Instruction) []byte {
|
|
prog := make([]byte, len(opcodes)+1) // RET
|
|
for i := 0; i < len(opcodes); i++ {
|
|
prog[i] = byte(opcodes[i])
|
|
}
|
|
prog[len(prog)-1] = byte(RET)
|
|
return prog
|
|
}
|
|
|
|
func load(prog []byte) *VM {
|
|
vm := New(ModeMute)
|
|
vm.mute = true
|
|
vm.istack.PushVal(NewContext(prog))
|
|
return vm
|
|
}
|
|
|
|
func randomBytes(n int) []byte {
|
|
const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
|
|
b := make([]byte, n)
|
|
for i := range b {
|
|
b[i] = charset[rand.Intn(len(charset))]
|
|
}
|
|
return b
|
|
}
|