577 lines
12 KiB
Go
577 lines
12 KiB
Go
package stackitem
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import (
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"math/big"
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/encoding/bigint"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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var makeStackItemTestCases = []struct {
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input interface{}
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result Item
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}{
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{
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input: int64(3),
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result: (*BigInteger)(big.NewInt(3)),
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},
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{
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input: int16(3),
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result: (*BigInteger)(big.NewInt(3)),
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},
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{
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input: 3,
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result: (*BigInteger)(big.NewInt(3)),
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},
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{
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input: uint8(3),
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result: (*BigInteger)(big.NewInt(3)),
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},
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{
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input: uint16(3),
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result: (*BigInteger)(big.NewInt(3)),
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},
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{
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input: uint32(3),
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result: (*BigInteger)(big.NewInt(3)),
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},
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{
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input: uint64(3),
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result: (*BigInteger)(big.NewInt(3)),
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},
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{
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input: big.NewInt(3),
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result: (*BigInteger)(big.NewInt(3)),
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},
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{
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input: []byte{1, 2, 3, 4},
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result: NewByteArray([]byte{1, 2, 3, 4}),
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},
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{
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input: []byte{},
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result: NewByteArray([]byte{}),
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},
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{
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input: "bla",
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result: NewByteArray([]byte("bla")),
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},
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{
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input: "",
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result: NewByteArray([]byte{}),
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},
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{
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input: true,
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result: Bool(true),
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},
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{
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input: false,
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result: Bool(false),
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},
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{
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input: []Item{(*BigInteger)(big.NewInt(3)), NewByteArray([]byte{1, 2, 3})},
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result: &Array{value: []Item{(*BigInteger)(big.NewInt(3)), NewByteArray([]byte{1, 2, 3})}},
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},
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{
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input: []int{1, 2, 3},
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result: &Array{value: []Item{(*BigInteger)(big.NewInt(1)), (*BigInteger)(big.NewInt(2)), (*BigInteger)(big.NewInt(3))}},
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},
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}
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var makeStackItemErrorCases = []struct {
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input interface{}
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}{
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{
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input: nil,
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},
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}
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func TestMakeStackItem(t *testing.T) {
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for _, testCase := range makeStackItemTestCases {
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assert.Equal(t, testCase.result, Make(testCase.input))
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}
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for _, errorCase := range makeStackItemErrorCases {
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assert.Panics(t, func() { Make(errorCase.input) })
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}
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}
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var stringerTestCases = []struct {
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input Item
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result string
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}{
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{
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input: NewStruct([]Item{}),
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result: "Struct",
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},
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{
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input: NewBigInteger(big.NewInt(3)),
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result: "BigInteger",
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},
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{
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input: NewBool(true),
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result: "Boolean",
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},
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{
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input: NewByteArray([]byte{}),
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result: "ByteString",
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},
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{
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input: NewArray([]Item{}),
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result: "Array",
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},
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{
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input: NewMap(),
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result: "Map",
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},
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{
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input: NewInterop(nil),
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result: "Interop",
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},
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{
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input: NewPointer(0, nil),
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result: "Pointer",
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},
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}
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func TestStringer(t *testing.T) {
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for _, testCase := range stringerTestCases {
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assert.Equal(t, testCase.result, testCase.input.String())
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}
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}
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var equalsTestCases = map[string][]struct {
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item1 Item
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item2 Item
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result bool
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panics bool
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}{
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"struct": {
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{
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item1: NewStruct(nil),
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item2: nil,
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result: false,
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},
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{
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item1: NewStruct(nil),
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item2: NewBigInteger(big.NewInt(1)),
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result: false,
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},
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{
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item1: NewStruct(nil),
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item2: NewStruct([]Item{NewBigInteger(big.NewInt(1))}),
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result: false,
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},
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{
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item1: NewStruct([]Item{NewBigInteger(big.NewInt(1))}),
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item2: NewStruct([]Item{NewBigInteger(big.NewInt(2))}),
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result: false,
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},
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{
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item1: NewStruct([]Item{NewBigInteger(big.NewInt(1))}),
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item2: NewStruct([]Item{NewBigInteger(big.NewInt(1))}),
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result: true,
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},
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{
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item1: NewStruct([]Item{NewBigInteger(big.NewInt(1)), NewStruct([]Item{})}),
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item2: NewStruct([]Item{NewBigInteger(big.NewInt(1)), NewStruct([]Item{})}),
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result: true,
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},
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},
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"bigint": {
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{
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item1: NewBigInteger(big.NewInt(2)),
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item2: nil,
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result: false,
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},
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{
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item1: NewBigInteger(big.NewInt(2)),
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item2: NewBigInteger(big.NewInt(2)),
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result: true,
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},
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{
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item1: NewBigInteger(big.NewInt(2)),
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item2: NewBool(false),
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result: false,
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},
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{
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item1: NewBigInteger(big.NewInt(0)),
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item2: NewBool(false),
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result: false,
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},
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{
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item1: NewBigInteger(big.NewInt(2)),
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item2: Make(int32(2)),
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result: true,
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},
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},
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"bool": {
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{
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item1: NewBool(true),
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item2: nil,
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result: false,
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},
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{
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item1: NewBool(true),
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item2: NewBool(true),
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result: true,
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},
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{
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item1: NewBool(true),
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item2: NewBigInteger(big.NewInt(1)),
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result: false,
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},
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{
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item1: NewBool(true),
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item2: NewBool(false),
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result: false,
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},
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{
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item1: NewBool(true),
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item2: Make(true),
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result: true,
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},
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},
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"bytearray": {
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{
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item1: NewByteArray(nil),
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item2: nil,
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result: false,
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},
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{
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item1: NewByteArray([]byte{1, 2, 3}),
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item2: NewByteArray([]byte{1, 2, 3}),
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result: true,
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},
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{
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item1: NewByteArray([]byte{1}),
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item2: NewBigInteger(big.NewInt(1)),
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result: false,
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},
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{
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item1: NewByteArray([]byte{1, 2, 3}),
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item2: NewByteArray([]byte{1, 2, 4}),
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result: false,
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},
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{
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item1: NewByteArray([]byte{1, 2, 3}),
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item2: Make([]byte{1, 2, 3}),
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result: true,
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},
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{
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item1: NewByteArray(make([]byte, MaxByteArrayComparableSize+1)),
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item2: NewByteArray([]byte{1, 2, 3}),
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panics: true,
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},
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{
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item1: NewByteArray([]byte{1, 2, 3}),
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item2: NewByteArray(make([]byte, MaxByteArrayComparableSize+1)),
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panics: true,
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},
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{
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item1: NewByteArray(make([]byte, MaxByteArrayComparableSize+1)),
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item2: NewByteArray(make([]byte, MaxByteArrayComparableSize+1)),
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panics: true,
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},
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},
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"array": {
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{
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item1: NewArray(nil),
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item2: nil,
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result: false,
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},
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{
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item1: NewArray([]Item{(*BigInteger)(big.NewInt(1)), (*BigInteger)(big.NewInt(2)), (*BigInteger)(big.NewInt(3))}),
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item2: NewArray([]Item{(*BigInteger)(big.NewInt(1)), (*BigInteger)(big.NewInt(2)), (*BigInteger)(big.NewInt(3))}),
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result: false,
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},
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{
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item1: NewArray([]Item{(*BigInteger)(big.NewInt(1))}),
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item2: NewBigInteger(big.NewInt(1)),
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result: false,
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},
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{
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item1: NewArray([]Item{(*BigInteger)(big.NewInt(1)), (*BigInteger)(big.NewInt(2)), (*BigInteger)(big.NewInt(3))}),
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item2: NewArray([]Item{(*BigInteger)(big.NewInt(1)), (*BigInteger)(big.NewInt(2)), (*BigInteger)(big.NewInt(4))}),
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result: false,
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},
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},
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"map": {
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{
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item1: NewMap(),
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item2: nil,
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result: false,
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},
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{
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item1: NewMap(),
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item2: NewMap(),
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result: false,
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},
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{
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item1: &Map{value: []MapElement{{NewByteArray([]byte("first")), NewBigInteger(big.NewInt(1))}, {NewBool(true), NewByteArray([]byte{2})}}},
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item2: &Map{value: []MapElement{{NewByteArray([]byte("first")), NewBigInteger(big.NewInt(1))}, {NewBool(true), NewByteArray([]byte{2})}}},
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result: false,
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},
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{
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item1: &Map{value: []MapElement{{NewByteArray([]byte("first")), NewBigInteger(big.NewInt(1))}, {NewBool(true), NewByteArray([]byte{2})}}},
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item2: &Map{value: []MapElement{{NewByteArray([]byte("first")), NewBigInteger(big.NewInt(1))}, {NewBool(true), NewByteArray([]byte{3})}}},
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result: false,
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},
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},
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"interop": {
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{
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item1: NewInterop(nil),
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item2: nil,
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result: false,
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},
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{
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item1: NewInterop(nil),
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item2: NewInterop(nil),
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result: true,
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},
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{
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item1: NewInterop(2),
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item2: NewInterop(3),
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result: false,
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},
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{
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item1: NewInterop(3),
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item2: NewInterop(3),
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result: true,
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},
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},
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"pointer": {
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{
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item1: NewPointer(0, []byte{}),
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result: false,
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},
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{
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item1: NewPointer(1, []byte{1}),
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item2: NewPointer(1, []byte{1}),
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result: true,
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},
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{
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item1: NewPointer(1, []byte{1}),
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item2: NewPointer(2, []byte{1}),
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result: false,
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},
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{
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item1: NewPointer(1, []byte{1}),
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item2: NewPointer(1, []byte{2}),
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result: false,
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},
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{
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item1: NewPointer(0, []byte{}),
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item2: NewBigInteger(big.NewInt(0)),
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result: false,
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},
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},
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}
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func TestEquals(t *testing.T) {
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for name, testBatch := range equalsTestCases {
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for _, testCase := range testBatch {
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t.Run(name, func(t *testing.T) {
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if testCase.panics {
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assert.Panics(t, func() {
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testCase.item1.Equals(testCase.item2)
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})
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} else {
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assert.Equal(t, testCase.result, testCase.item1.Equals(testCase.item2))
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// Reference equals
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assert.Equal(t, true, testCase.item1.Equals(testCase.item1))
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}
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})
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}
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}
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}
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func TestEqualsDeepStructure(t *testing.T) {
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const perStruct = 4
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var items = []Item{}
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var num int
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for i := 0; i < perStruct; i++ {
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items = append(items, Make(0))
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num++
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}
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var layerUp = func(sa *Struct, num int) (*Struct, int) {
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items := []Item{}
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for i := 0; i < perStruct; i++ {
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clon, err := sa.Clone()
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require.NoError(t, err)
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items = append(items, clon)
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}
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num *= perStruct
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num++
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return NewStruct(items), num
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}
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var sa = NewStruct(items)
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for i := 0; i < 4; i++ {
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sa, num = layerUp(sa, num)
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}
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require.Less(t, num, MaxComparableNumOfItems)
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sb, err := sa.Clone()
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require.NoError(t, err)
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require.True(t, sa.Equals(sb))
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sa, num = layerUp(sa, num)
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sb, num = layerUp(sb, num)
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require.Less(t, MaxComparableNumOfItems, num)
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require.Panics(t, func() { sa.Equals(sb) })
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}
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var marshalJSONTestCases = []struct {
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input Item
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result []byte
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}{
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{
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input: NewBigInteger(big.NewInt(2)),
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result: []byte(`2`),
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},
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{
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input: NewBool(true),
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result: []byte(`true`),
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},
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{
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input: NewByteArray([]byte{1, 2, 3}),
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result: []byte(`"010203"`),
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},
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{
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input: NewBuffer([]byte{1, 2, 3}),
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result: []byte(`"010203"`),
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},
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{
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input: &Array{value: []Item{(*BigInteger)(big.NewInt(3)), NewByteArray([]byte{1, 2, 3})}},
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result: []byte(`[3,"010203"]`),
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},
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{
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input: &Interop{value: 3},
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result: []byte(`3`),
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},
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}
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func TestMarshalJSON(t *testing.T) {
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var (
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actual []byte
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err error
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)
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for _, testCase := range marshalJSONTestCases {
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switch testCase.input.(type) {
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case *BigInteger:
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actual, err = testCase.input.(*BigInteger).MarshalJSON()
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case Bool:
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actual, err = testCase.input.(Bool).MarshalJSON()
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case *ByteArray:
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actual, err = testCase.input.(*ByteArray).MarshalJSON()
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case *Array:
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actual, err = testCase.input.(*Array).MarshalJSON()
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case *Interop:
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actual, err = testCase.input.(*Interop).MarshalJSON()
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default:
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continue
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}
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assert.NoError(t, err)
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assert.Equal(t, testCase.result, actual)
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}
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}
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func TestNewVeryBigInteger(t *testing.T) {
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check := func(ok bool, v *big.Int) {
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bs := bigint.ToBytes(v)
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if ok {
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assert.True(t, len(bs)*8 <= MaxBigIntegerSizeBits)
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} else {
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assert.True(t, len(bs)*8 > MaxBigIntegerSizeBits)
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assert.Panics(t, func() { NewBigInteger(v) })
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}
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}
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maxBitSet := big.NewInt(1)
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maxBitSet.Lsh(maxBitSet, MaxBigIntegerSizeBits-1)
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check(false, maxBitSet)
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check(true, new(big.Int).Neg(maxBitSet))
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minus1 := new(big.Int).Sub(maxBitSet, big.NewInt(1))
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check(true, minus1)
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check(true, new(big.Int).Neg(minus1))
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plus1 := new(big.Int).Add(maxBitSet, big.NewInt(1))
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check(false, plus1)
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check(false, new(big.Int).Neg(plus1))
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check(false, new(big.Int).Mul(maxBitSet, big.NewInt(2)))
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}
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func TestStructClone(t *testing.T) {
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st0 := Struct{}
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st := Struct{value: []Item{&st0}}
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for i := 0; i < MaxClonableNumOfItems-1; i++ {
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nst, err := st.Clone()
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require.NoError(t, err)
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st = Struct{value: []Item{nst}}
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}
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_, err := st.Clone()
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require.Error(t, err)
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}
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func TestDeepCopy(t *testing.T) {
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testCases := []struct {
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name string
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item Item
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}{
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{"Integer", NewBigInteger(big.NewInt(1))},
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{"ByteArray", NewByteArray([]byte{1, 2, 3})},
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{"Buffer", NewBuffer([]byte{1, 2, 3})},
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{"Bool", NewBool(true)},
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{"Pointer", NewPointer(1, []byte{1, 2, 3})},
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{"Interop", NewInterop(&[]byte{1, 2})},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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actual := DeepCopy(tc.item)
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require.Equal(t, tc.item, actual)
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if tc.item.Type() != BooleanT {
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require.False(t, actual == tc.item)
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}
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})
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}
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t.Run("Null", func(t *testing.T) {
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require.Equal(t, Null{}, DeepCopy(Null{}))
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})
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t.Run("Array", func(t *testing.T) {
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arr := NewArray(make([]Item, 2))
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arr.value[0] = NewBool(true)
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arr.value[1] = arr
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actual := DeepCopy(arr)
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require.Equal(t, arr, actual)
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require.False(t, arr == actual)
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require.True(t, actual == actual.(*Array).value[1])
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})
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t.Run("Struct", func(t *testing.T) {
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arr := NewStruct(make([]Item, 2))
|
|
arr.value[0] = NewBool(true)
|
|
arr.value[1] = arr
|
|
|
|
actual := DeepCopy(arr)
|
|
require.Equal(t, arr, actual)
|
|
require.False(t, arr == actual)
|
|
require.True(t, actual == actual.(*Struct).value[1])
|
|
})
|
|
|
|
t.Run("Map", func(t *testing.T) {
|
|
m := NewMapWithValue(make([]MapElement, 2))
|
|
m.value[0] = MapElement{Key: NewBool(true), Value: m}
|
|
m.value[1] = MapElement{Key: NewBigInteger(big.NewInt(1)), Value: NewByteArray([]byte{1, 2, 3})}
|
|
|
|
actual := DeepCopy(m)
|
|
require.Equal(t, m, actual)
|
|
require.False(t, m == actual)
|
|
require.True(t, actual == actual.(*Map).value[0].Value)
|
|
})
|
|
}
|