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package cose
import (
"bytes"
"reflect"
"testing"
"github.com/fxamacker/cbor/v2"
)
func Test_intOrStr(t *testing.T) {
ios := newIntOrStr(3)
assertEqual(t, true, ios.IsInt())
assertEqual(t, false, ios.IsString())
assertEqual(t, 3, ios.Int())
assertEqual(t, "3", ios.String())
ios = newIntOrStr("foo")
assertEqual(t, false, ios.IsInt())
assertEqual(t, true, ios.IsString())
assertEqual(t, 0, ios.Int())
assertEqual(t, "foo", ios.String())
ios = newIntOrStr(3.5)
if ios != nil {
t.Errorf("Expected nil, got %v", ios)
}
}
func Test_intOrStr_CBOR(t *testing.T) {
ios := newIntOrStr(3)
data, err := ios.MarshalCBOR()
requireNoError(t, err)
assertEqual(t, []byte{0x03}, data)
ios = &intOrStr{}
err = ios.UnmarshalCBOR(data)
requireNoError(t, err)
assertEqual(t, true, ios.IsInt())
assertEqual(t, 3, ios.Int())
ios = newIntOrStr("foo")
data, err = ios.MarshalCBOR()
requireNoError(t, err)
assertEqual(t, []byte{0x63, 0x66, 0x6f, 0x6f}, data)
ios = &intOrStr{}
err = ios.UnmarshalCBOR(data)
requireNoError(t, err)
assertEqual(t, true, ios.IsString())
assertEqual(t, "foo", ios.String())
// empty value as field
s := struct {
Field1 intOrStr `cbor:"1,keyasint"`
Field2 int `cbor:"2,keyasint"`
}{Field1: intOrStr{}, Field2: 7}
data, err = cbor.Marshal(s)
requireNoError(t, err)
assertEqual(t, []byte{0xa2, 0x1, 0x00, 0x2, 0x7}, data)
ios = &intOrStr{}
data = []byte{0x22}
err = ios.UnmarshalCBOR(data)
requireNoError(t, err)
assertEqual(t, true, ios.IsInt())
assertEqual(t, -3, ios.Int())
data = []byte{}
err = ios.UnmarshalCBOR(data)
assertEqualError(t, err, "zero length buffer")
data = []byte{0x40}
err = ios.UnmarshalCBOR(data)
assertEqualError(t, err, "must be int or string, found []uint8")
data = []byte{0xff, 0xff}
err = ios.UnmarshalCBOR(data)
assertEqualError(t, err, "cbor: unexpected \"break\" code")
}
func requireNoError(t *testing.T, err error) {
if err != nil {
t.Errorf("Unexpected error: %q", err)
t.Fail()
}
}
func assertEqualError(t *testing.T, err error, expected string) {
if err == nil || err.Error() != expected {
t.Errorf("Unexpected error: want %q, got %q", expected, err)
}
}
func assertEqual(t *testing.T, expected, actual interface{}) {
if !objectsAreEqualValues(expected, actual) {
t.Errorf("Unexpected value: want %v, got %v", expected, actual)
}
}
// taken from github.com/stretchr/testify
func objectsAreEqualValues(expected, actual interface{}) bool {
if objectsAreEqual(expected, actual) {
return true
}
actualType := reflect.TypeOf(actual)
if actualType == nil {
return false
}
expectedValue := reflect.ValueOf(expected)
if expectedValue.IsValid() && expectedValue.Type().ConvertibleTo(actualType) {
// Attempt comparison after type conversion
return reflect.DeepEqual(expectedValue.Convert(actualType).Interface(), actual)
}
return false
}
// taken from github.com/stretchr/testify
func objectsAreEqual(expected, actual interface{}) bool {
if expected == nil || actual == nil {
return expected == actual
}
exp, ok := expected.([]byte)
if !ok {
return reflect.DeepEqual(expected, actual)
}
act, ok := actual.([]byte)
if !ok {
return false
}
if exp == nil || act == nil {
return exp == nil && act == nil
}
return bytes.Equal(exp, act)
}
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