forked from TrueCloudLab/neoneo-go
96 lines
2.6 KiB
Go
96 lines
2.6 KiB
Go
package native
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import (
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"math"
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"math/big"
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/core/interop"
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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 TestStdLibItoaAtoi(t *testing.T) {
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s := newStd()
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ic := &interop.Context{VM: vm.New()}
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var actual stackitem.Item
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t.Run("itoa-atoi", func(t *testing.T) {
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var testCases = []struct {
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num *big.Int
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base *big.Int
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result string
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}{
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{big.NewInt(0), big.NewInt(10), "0"},
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{big.NewInt(0), big.NewInt(16), "0"},
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{big.NewInt(1), big.NewInt(10), "1"},
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{big.NewInt(-1), big.NewInt(10), "-1"},
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{big.NewInt(1), big.NewInt(16), "1"},
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{big.NewInt(7), big.NewInt(16), "7"},
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{big.NewInt(8), big.NewInt(16), "08"},
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{big.NewInt(65535), big.NewInt(16), "0FFFF"},
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{big.NewInt(15), big.NewInt(16), "0F"},
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{big.NewInt(-1), big.NewInt(16), "F"},
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}
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for _, tc := range testCases {
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require.NotPanics(t, func() {
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actual = s.itoa(ic, []stackitem.Item{stackitem.Make(tc.num), stackitem.Make(tc.base)})
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})
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require.Equal(t, stackitem.Make(tc.result), actual)
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require.NotPanics(t, func() {
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actual = s.atoi(ic, []stackitem.Item{stackitem.Make(tc.result), stackitem.Make(tc.base)})
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})
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require.Equal(t, stackitem.Make(tc.num), actual)
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}
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t.Run("-1", func(t *testing.T) {
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for _, str := range []string{"FF", "FFF", "FFFF"} {
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require.NotPanics(t, func() {
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actual = s.atoi(ic, []stackitem.Item{stackitem.Make(str), stackitem.Make(16)})
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})
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require.Equal(t, stackitem.Make(-1), actual)
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}
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})
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})
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t.Run("itoa error", func(t *testing.T) {
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var testCases = []struct {
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num *big.Int
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base *big.Int
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err error
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}{
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{big.NewInt(1), big.NewInt(13), ErrInvalidBase},
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{big.NewInt(-1), new(big.Int).Add(big.NewInt(math.MaxInt64), big.NewInt(10)), ErrInvalidBase},
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}
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for _, tc := range testCases {
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require.PanicsWithError(t, tc.err.Error(), func() {
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_ = s.itoa(ic, []stackitem.Item{stackitem.Make(tc.num), stackitem.Make(tc.base)})
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})
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}
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})
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t.Run("atoi error", func(t *testing.T) {
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var testCases = []struct {
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num string
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base *big.Int
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err error
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}{
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{"1", big.NewInt(13), ErrInvalidBase},
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{"1", new(big.Int).Add(big.NewInt(math.MaxInt64), big.NewInt(16)), ErrInvalidBase},
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{"1_000", big.NewInt(10), ErrInvalidFormat},
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{"FE", big.NewInt(10), ErrInvalidFormat},
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{"XD", big.NewInt(16), ErrInvalidFormat},
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}
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for _, tc := range testCases {
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require.PanicsWithError(t, tc.err.Error(), func() {
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_ = s.atoi(ic, []stackitem.Item{stackitem.Make(tc.num), stackitem.Make(tc.base)})
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})
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}
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})
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}
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