neo-go/pkg/smartcontract/nef/nef_test.go
Roman Khimov 4d0eaef510 nef: treat Version as string
Following changes in C# code and simpilifying things a lot.
2020-11-27 21:47:08 +03:00

76 lines
1.8 KiB
Go

package nef
import (
"testing"
"github.com/nspcc-dev/neo-go/internal/testserdes"
"github.com/stretchr/testify/require"
)
func TestEncodeDecodeBinary(t *testing.T) {
script := []byte{12, 32, 84, 35, 14}
expected := &File{
Header: Header{
Magic: Magic,
Compiler: "the best compiler ever",
Version: "1.2.3.4",
},
Script: script,
}
t.Run("invalid Magic", func(t *testing.T) {
expected.Header.Magic = 123
checkDecodeError(t, expected)
})
t.Run("invalid checksum", func(t *testing.T) {
expected.Header.Magic = Magic
expected.Checksum = 123
checkDecodeError(t, expected)
})
t.Run("zero-length script", func(t *testing.T) {
expected.Script = make([]byte, 0)
expected.Checksum = expected.CalculateChecksum()
checkDecodeError(t, expected)
})
t.Run("invalid script length", func(t *testing.T) {
newScript := make([]byte, MaxScriptLength+1)
expected.Script = newScript
expected.Checksum = expected.CalculateChecksum()
checkDecodeError(t, expected)
})
t.Run("positive", func(t *testing.T) {
expected.Script = script
expected.Checksum = expected.CalculateChecksum()
expected.Header.Magic = Magic
testserdes.EncodeDecodeBinary(t, expected, &File{})
})
}
func checkDecodeError(t *testing.T, expected *File) {
bytes, err := testserdes.EncodeBinary(expected)
require.NoError(t, err)
require.Error(t, testserdes.DecodeBinary(bytes, &File{}))
}
func TestBytesFromBytes(t *testing.T) {
script := []byte{12, 32, 84, 35, 14}
expected := File{
Header: Header{
Magic: Magic,
Compiler: "the best compiler ever",
Version: "1.2.3.4",
},
Script: script,
}
expected.Checksum = expected.CalculateChecksum()
bytes, err := expected.Bytes()
require.NoError(t, err)
actual, err := FileFromBytes(bytes)
require.NoError(t, err)
require.Equal(t, expected, actual)
}