neoneo-go/pkg/core/state/nep5_test.go

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package state
import (
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gio "io"
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"math/rand"
"testing"
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"time"
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"github.com/nspcc-dev/neo-go/pkg/io"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/stretchr/testify/require"
)
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func TestNEP5TransferLog_Append(t *testing.T) {
r := rand.New(rand.NewSource(time.Now().UnixNano()))
expected := []*NEP5Transfer{
randomTransfer(t, r),
randomTransfer(t, r),
randomTransfer(t, r),
randomTransfer(t, r),
}
lg := new(NEP5TransferLog)
for _, tr := range expected {
require.NoError(t, lg.Append(tr))
}
require.Equal(t, len(expected), lg.Size())
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i := 0
err := lg.ForEach(func(tr *NEP5Transfer) error {
require.Equal(t, expected[i], tr)
i++
return nil
})
require.NoError(t, err)
}
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func TestNEP5Tracker_EncodeBinary(t *testing.T) {
expected := &NEP5Tracker{
Balance: int64(rand.Uint64()),
LastUpdatedBlock: rand.Uint32(),
}
testEncodeDecode(t, expected, new(NEP5Tracker))
}
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func TestNEP5Transfer_DecodeBinary(t *testing.T) {
expected := &NEP5Transfer{
Asset: util.Uint160{1, 2, 3},
From: util.Uint160{5, 6, 7},
To: util.Uint160{8, 9, 10},
Amount: 42,
Block: 12345,
Timestamp: 54321,
Tx: util.Uint256{8, 5, 3},
}
testEncodeDecode(t, expected, new(NEP5Transfer))
}
func TestNEP5TransferSize(t *testing.T) {
tr := randomTransfer(t, rand.New(rand.NewSource(0)))
size := io.GetVarSize(tr)
require.EqualValues(t, NEP5TransferSize, size)
}
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func randomTransfer(t *testing.T, r *rand.Rand) *NEP5Transfer {
tr := &NEP5Transfer{
Amount: int64(r.Uint64()),
Block: r.Uint32(),
}
var err error
_, err = gio.ReadFull(r, tr.Asset[:])
require.NoError(t, err)
_, err = gio.ReadFull(r, tr.From[:])
require.NoError(t, err)
_, err = gio.ReadFull(r, tr.To[:])
require.NoError(t, err)
_, err = gio.ReadFull(r, tr.Tx[:])
require.NoError(t, err)
return tr
}
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func testEncodeDecode(t *testing.T, expected, actual io.Serializable) {
w := io.NewBufBinWriter()
expected.EncodeBinary(w.BinWriter)
require.NoError(t, w.Err)
r := io.NewBinReaderFromBuf(w.Bytes())
actual.DecodeBinary(r)
require.NoError(t, r.Err)
require.Equal(t, expected, actual)
}