mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-27 13:58:05 +00:00
92 lines
2.6 KiB
Go
92 lines
2.6 KiB
Go
package binary
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import (
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"encoding/base64"
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"math/big"
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"testing"
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"github.com/mr-tron/base58"
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"github.com/nspcc-dev/neo-go/pkg/core/interop"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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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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func TestRuntimeSerialize(t *testing.T) {
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t.Run("recursive", func(t *testing.T) {
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arr := stackitem.NewArray(nil)
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arr.Append(arr)
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ic := &interop.Context{VM: vm.New()}
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ic.VM.Estack().PushVal(arr)
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require.Error(t, Serialize(ic))
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})
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t.Run("big item", func(t *testing.T) {
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ic := &interop.Context{VM: vm.New()}
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ic.VM.Estack().PushVal(make([]byte, stackitem.MaxSize))
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require.Error(t, Serialize(ic))
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})
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t.Run("good", func(t *testing.T) {
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ic := &interop.Context{VM: vm.New()}
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ic.VM.Estack().PushVal(42)
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require.NoError(t, Serialize(ic))
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w := io.NewBufBinWriter()
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stackitem.EncodeBinaryStackItem(stackitem.Make(42), w.BinWriter)
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require.NoError(t, w.Err)
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encoded := w.Bytes()
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require.Equal(t, encoded, ic.VM.Estack().Pop().Bytes())
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ic.VM.Estack().PushVal(encoded)
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require.NoError(t, Deserialize(ic))
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require.Equal(t, big.NewInt(42), ic.VM.Estack().Pop().BigInt())
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t.Run("bad", func(t *testing.T) {
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encoded[0] ^= 0xFF
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ic.VM.Estack().PushVal(encoded)
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require.Error(t, Deserialize(ic))
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})
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})
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}
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func TestRuntimeEncodeDecode(t *testing.T) {
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original := []byte("my pretty string")
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encoded64 := base64.StdEncoding.EncodeToString(original)
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encoded58 := base58.Encode(original)
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v := vm.New()
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ic := &interop.Context{VM: v}
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t.Run("Encode64", func(t *testing.T) {
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v.Estack().PushVal(original)
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require.NoError(t, EncodeBase64(ic))
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actual := v.Estack().Pop().Bytes()
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require.Equal(t, []byte(encoded64), actual)
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})
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t.Run("Encode58", func(t *testing.T) {
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v.Estack().PushVal(original)
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require.NoError(t, EncodeBase58(ic))
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actual := v.Estack().Pop().Bytes()
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require.Equal(t, []byte(encoded58), actual)
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})
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t.Run("Decode64/positive", func(t *testing.T) {
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v.Estack().PushVal(encoded64)
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require.NoError(t, DecodeBase64(ic))
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actual := v.Estack().Pop().Bytes()
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require.Equal(t, original, actual)
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})
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t.Run("Decode64/error", func(t *testing.T) {
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v.Estack().PushVal(encoded64 + "%")
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require.Error(t, DecodeBase64(ic))
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})
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t.Run("Decode58/positive", func(t *testing.T) {
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v.Estack().PushVal(encoded58)
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require.NoError(t, DecodeBase58(ic))
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actual := v.Estack().Pop().Bytes()
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require.Equal(t, original, actual)
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})
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t.Run("Decode58/error", func(t *testing.T) {
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v.Estack().PushVal(encoded58 + "%")
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require.Error(t, DecodeBase58(ic))
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})
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}
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