neo-go/pkg/util/uint256_test.go

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package util
import (
"encoding/hex"
"testing"
"github.com/stretchr/testify/assert"
)
func TestUint256UnmarshalJSON(t *testing.T) {
str := "f037308fa0ab18155bccfc08485468c112409ea5064595699e98c545f245f32d"
expected, err := Uint256DecodeString(str)
if err != nil {
t.Fatal(err)
}
// UnmarshalJSON should decode hex-strings
var u1, u2 Uint256
if err = u1.UnmarshalJSON([]byte(`"` + str + `"`)); err != nil {
t.Fatal(err)
}
assert.True(t, expected.Equals(u1))
s, err := expected.MarshalJSON()
if err != nil {
t.Fatal(err)
}
// UnmarshalJSON should decode hex-strings prefixed by 0x
if err = u2.UnmarshalJSON(s); err != nil {
t.Fatal(err)
}
assert.True(t, expected.Equals(u1))
}
func TestUint256DecodeString(t *testing.T) {
hexStr := "f037308fa0ab18155bccfc08485468c112409ea5064595699e98c545f245f32d"
val, err := Uint256DecodeString(hexStr)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, hexStr, val.String())
}
func TestUint256DecodeBytes(t *testing.T) {
hexStr := "f037308fa0ab18155bccfc08485468c112409ea5064595699e98c545f245f32d"
b, err := hex.DecodeString(hexStr)
if err != nil {
t.Fatal(err)
}
val, err := Uint256DecodeBytes(b)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, hexStr, val.String())
}
func TestUInt256Equals(t *testing.T) {
a := "f037308fa0ab18155bccfc08485468c112409ea5064595699e98c545f245f32d"
b := "e287c5b29a1b66092be6803c59c765308ac20287e1b4977fd399da5fc8f66ab5"
ua, err := Uint256DecodeString(a)
if err != nil {
t.Fatal(err)
}
ub, err := Uint256DecodeString(b)
if err != nil {
t.Fatal(err)
}
if ua.Equals(ub) {
t.Fatalf("%s and %s cannot be equal", ua, ub)
}
if !ua.Equals(ua) {
t.Fatalf("%s and %s must be equal", ua, ua)
}
}