mirror of
https://github.com/nspcc-dev/neo-go.git
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1b83dc2476
Mostly it's about Go 1.22+ syntax with ranging over integers, but it also prefers ranging over slices where possible (it makes code a little better to read). Notice that we have a number of dangerous loops where slices are mutated during loop execution, many of these can't be converted since we need proper length evalutation at every iteration. Signed-off-by: Roman Khimov <roman@nspcc.ru>
110 lines
3 KiB
Go
110 lines
3 KiB
Go
package util_test
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import (
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"encoding/hex"
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"testing"
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"github.com/nspcc-dev/neo-go/internal/testserdes"
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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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"github.com/stretchr/testify/require"
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)
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func TestUint256UnmarshalJSON(t *testing.T) {
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str := "f037308fa0ab18155bccfc08485468c112409ea5064595699e98c545f245f32d"
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expected, err := util.Uint256DecodeStringLE(str)
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require.NoError(t, err)
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// UnmarshalJSON decodes hex-strings
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var u1, u2 util.Uint256
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require.NoError(t, u1.UnmarshalJSON([]byte(`"`+str+`"`)))
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assert.True(t, expected.Equals(u1))
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testserdes.MarshalUnmarshalJSON(t, &expected, &u2)
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// UnmarshalJSON does not accepts numbers
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assert.Error(t, u2.UnmarshalJSON([]byte("123")))
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}
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func TestUint256DecodeString(t *testing.T) {
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hexStr := "f037308fa0ab18155bccfc08485468c112409ea5064595699e98c545f245f32d"
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val, err := util.Uint256DecodeStringLE(hexStr)
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require.NoError(t, err)
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assert.Equal(t, hexStr, val.StringLE())
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valBE, err := util.Uint256DecodeStringBE(hexStr)
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require.NoError(t, err)
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assert.Equal(t, val, valBE.Reverse())
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bs, err := hex.DecodeString(hexStr)
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require.NoError(t, err)
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val1, err := util.Uint256DecodeBytesBE(bs)
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assert.NoError(t, err)
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assert.Equal(t, hexStr, val1.String())
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assert.Equal(t, val, val1.Reverse())
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_, err = util.Uint256DecodeStringLE(hexStr[1:])
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assert.Error(t, err)
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_, err = util.Uint256DecodeStringBE(hexStr[1:])
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assert.Error(t, err)
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hexStr = "zzz7308fa0ab18155bccfc08485468c112409ea5064595699e98c545f245f32d"
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_, err = util.Uint256DecodeStringLE(hexStr)
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assert.Error(t, err)
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_, err = util.Uint256DecodeStringBE(hexStr)
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assert.Error(t, err)
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}
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func TestUint256DecodeBytes(t *testing.T) {
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hexStr := "f037308fa0ab18155bccfc08485468c112409ea5064595699e98c545f245f32d"
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b, err := hex.DecodeString(hexStr)
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require.NoError(t, err)
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val, err := util.Uint256DecodeBytesLE(b)
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require.NoError(t, err)
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assert.Equal(t, hexStr, val.StringLE())
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_, err = util.Uint256DecodeBytesBE(b[1:])
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assert.Error(t, err)
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}
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func TestUInt256Equals(t *testing.T) {
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a := "f037308fa0ab18155bccfc08485468c112409ea5064595699e98c545f245f32d"
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b := "e287c5b29a1b66092be6803c59c765308ac20287e1b4977fd399da5fc8f66ab5"
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ua, err := util.Uint256DecodeStringLE(a)
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require.NoError(t, err)
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ub, err := util.Uint256DecodeStringLE(b)
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require.NoError(t, err)
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assert.False(t, ua.Equals(ub), "%s and %s cannot be equal", ua, ub)
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assert.True(t, ua.Equals(ua), "%s and %s must be equal", ua, ua)
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assert.Zero(t, ua.Compare(ua), "%s and %s must be equal", ua, ua)
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}
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func TestUint256_Serializable(t *testing.T) {
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a := util.Uint256{
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1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
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17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32,
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}
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var b util.Uint256
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testserdes.EncodeDecodeBinary(t, &a, &b)
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}
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func BenchmarkUint256DecodeStringLE(b *testing.B) {
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a := "f037308fa0ab18155bccfc08485468c112409ea5064595699e98c545f245f32d"
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b.ResetTimer()
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b.ReportAllocs()
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for range b.N {
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_, err := util.Uint256DecodeStringLE(a)
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if err != nil {
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b.FailNow()
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}
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}
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}
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