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https://github.com/nspcc-dev/neo-go.git
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207 lines
3.2 KiB
Go
207 lines
3.2 KiB
Go
package io_test
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import (
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"fmt"
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/stretchr/testify/assert"
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)
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// Mock structure to test getting size of an array of serializable things.
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type smthSerializable struct {
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some [42]byte
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}
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func (*smthSerializable) DecodeBinary(*io.BinReader) {}
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func (ss *smthSerializable) EncodeBinary(bw *io.BinWriter) {
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bw.WriteBytes(ss.some[:])
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}
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// Mock structure that gives error in EncodeBinary().
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type smthNotReallySerializable struct{}
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func (*smthNotReallySerializable) DecodeBinary(*io.BinReader) {}
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func (*smthNotReallySerializable) EncodeBinary(bw *io.BinWriter) {
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bw.Err = fmt.Errorf("smth bad happened in smthNotReallySerializable")
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}
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func TestVarSize(t *testing.T) {
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testCases := []struct {
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variable interface{}
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name string
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expected int
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}{
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{
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252,
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"test_int_1",
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1,
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},
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{
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253,
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"test_int_2",
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3,
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},
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{
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65535,
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"test_int_3",
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3,
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},
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{
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65536,
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"test_int_4",
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5,
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},
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{
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4294967295,
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"test_int_5",
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5,
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},
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{
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uint(252),
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"test_uint_1",
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1,
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},
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{
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uint(253),
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"test_uint_2",
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3,
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},
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{
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uint(65535),
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"test_uint_3",
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3,
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},
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{
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uint(65536),
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"test_uint_4",
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5,
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},
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{
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uint(4294967295),
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"test_uint_5",
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5,
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},
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{
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[]byte{1, 2, 4, 5, 6},
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"test_[]byte_1",
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6,
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},
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{
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// The neo C# implementation doe not allowed this!
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util.Uint160{1, 2, 4, 5, 6},
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"test_Uint160_1",
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21,
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},
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{[20]uint8{1, 2, 3, 4, 5, 6},
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"test_uint8_1",
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21,
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},
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{[20]uint8{1, 2, 3, 4, 5, 6, 8, 9},
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"test_uint8_2",
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21,
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},
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{[32]uint8{1, 2, 3, 4, 5, 6},
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"test_uint8_3",
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33,
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},
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{[10]uint16{1, 2, 3, 4, 5, 6},
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"test_uint16_1",
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21,
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},
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{[10]uint16{1, 2, 3, 4, 5, 6, 10, 21},
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"test_uint16_2",
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21,
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},
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{[30]uint32{1, 2, 3, 4, 5, 6, 10, 21},
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"test_uint32_2",
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121,
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},
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{[30]uint64{1, 2, 3, 4, 5, 6, 10, 21},
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"test_uint64_2",
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241,
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},
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{[20]int8{1, 2, 3, 4, 5, 6},
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"test_int8_1",
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21,
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},
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{[20]int8{-1, 2, 3, 4, 5, 6, 8, 9},
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"test_int8_2",
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21,
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},
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{[32]int8{-1, 2, 3, 4, 5, 6},
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"test_int8_3",
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33,
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},
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{[10]int16{-1, 2, 3, 4, 5, 6},
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"test_int16_1",
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21,
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},
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{[10]int16{-1, 2, 3, 4, 5, 6, 10, 21},
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"test_int16_2",
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21,
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},
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{[30]int32{-1, 2, 3, 4, 5, 6, 10, 21},
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"test_int32_2",
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121,
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},
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{[30]int64{-1, 2, 3, 4, 5, 6, 10, 21},
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"test_int64_2",
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241,
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},
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// The neo C# implementation doe not allowed this!
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{util.Uint256{1, 2, 3, 4, 5, 6},
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"test_Uint256_1",
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33,
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},
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{"abc",
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"test_string_1",
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4,
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},
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{"abcà",
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"test_string_2",
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6,
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},
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{"2d3b96ae1bcc5a585e075e3b81920210dec16302",
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"test_string_3",
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41,
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},
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{[]*smthSerializable{{}, {}},
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"test_Serializable",
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2*42 + 1,
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},
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}
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for _, tc := range testCases {
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t.Run(fmt.Sprintf("run: %s", tc.name), func(t *testing.T) {
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result := io.GetVarSize(tc.variable)
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assert.Equal(t, tc.expected, result)
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})
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}
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}
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func panicVarSize(t *testing.T, v interface{}) {
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defer func() {
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r := recover()
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assert.NotNil(t, r)
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}()
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_ = io.GetVarSize(v)
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// this should never execute
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assert.Nil(t, t)
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}
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func TestVarSizePanic(t *testing.T) {
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panicVarSize(t, t)
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panicVarSize(t, struct{}{})
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panicVarSize(t, &smthNotReallySerializable{})
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}
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