69 lines
1.8 KiB
Go
69 lines
1.8 KiB
Go
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package json
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import (
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"encoding/binary"
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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"github.com/nspcc-dev/neo-go/pkg/vm/emit"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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"github.com/stretchr/testify/require"
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)
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var (
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serializeID = emit.InteropNameToID([]byte("System.Json.Serialize"))
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deserializeID = emit.InteropNameToID([]byte("System.Json.Deserialize"))
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)
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func getInterop(id uint32) *vm.InteropFuncPrice {
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switch id {
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case serializeID:
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return &vm.InteropFuncPrice{
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Func: func(v *vm.VM) error { return Serialize(nil, v) },
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}
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case deserializeID:
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return &vm.InteropFuncPrice{
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Func: func(v *vm.VM) error { return Deserialize(nil, v) },
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}
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default:
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return nil
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}
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}
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func getTestFunc(id uint32, arg interface{}, result interface{}) func(t *testing.T) {
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prog := make([]byte, 5)
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prog[0] = byte(opcode.SYSCALL)
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binary.LittleEndian.PutUint32(prog[1:], id)
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return func(t *testing.T) {
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v := vm.New()
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v.RegisterInteropGetter(getInterop)
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v.LoadScript(prog)
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v.Estack().PushVal(arg)
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if result == nil {
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require.Error(t, v.Run())
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return
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}
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require.NoError(t, v.Run())
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require.Equal(t, stackitem.Make(result), v.Estack().Pop().Item())
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}
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}
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func TestSerialize(t *testing.T) {
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t.Run("Serialize", func(t *testing.T) {
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t.Run("Good", getTestFunc(serializeID, 42, []byte("42")))
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t.Run("Bad", func(t *testing.T) {
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arr := stackitem.NewArray([]stackitem.Item{
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stackitem.NewByteArray(make([]byte, stackitem.MaxSize/2)),
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stackitem.NewByteArray(make([]byte, stackitem.MaxSize/2)),
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})
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getTestFunc(serializeID, arr, nil)(t)
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})
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})
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t.Run("Deserialize", func(t *testing.T) {
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t.Run("Good", getTestFunc(deserializeID, []byte("42"), 42))
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t.Run("Bad", getTestFunc(deserializeID, []byte("{]"), nil))
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})
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}
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