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error_test.go
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error_test.go
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// SPDX-FileCopyrightText: 2024 Shun Sakai
//
// SPDX-License-Identifier: Apache-2.0 OR MIT
package abcrypt_test
import (
"errors"
"math"
"slices"
"testing"
"github.com/sorairolake/abcrypt-go"
)
var errInner = errors.New("error")
func TestErrInvalidLength(t *testing.T) {
t.Parallel()
err := abcrypt.ErrInvalidLength
expected := "abcrypt: encrypted data is shorter than 156 bytes"
if err.Error() != expected {
t.Error("unexpected error message")
}
}
func TestErrInvalidMagicNumber(t *testing.T) {
t.Parallel()
err := abcrypt.ErrInvalidMagicNumber
expected := "abcrypt: invalid magic number"
if err.Error() != expected {
t.Error("unexpected error message")
}
}
func TestUnknownVersionError(t *testing.T) {
t.Parallel()
err := abcrypt.UnknownVersionError{math.MaxUint8}
expected := "abcrypt: unknown version number `255`"
if err.Error() != expected {
t.Error("unexpected error message")
}
if v := err.Version; v != math.MaxUint8 {
t.Errorf("expected unknown version number `%v`, got `%v`", math.MaxUint8, v)
}
}
func TestInvalidHeaderMACError(t *testing.T) {
t.Parallel()
var mac [64]byte
err := abcrypt.InvalidHeaderMACError{mac}
expected := "abcrypt: invalid header MAC"
if err.Error() != expected {
t.Error("unexpected error message")
}
if inner := err.MAC[:]; !slices.Equal(inner, mac[:]) {
t.Errorf("expected invalid header MAC `%v`, got `%v`", mac, inner)
}
}
func TestInvalidMACError(t *testing.T) {
t.Parallel()
err := abcrypt.InvalidMACError{errInner}
expected := "abcrypt: invalid ciphertext MAC: error"
if err.Error() != expected {
t.Error("unexpected error message")
}
if err.Unwrap().Error() != "error" {
t.Error("unexpected error message")
}
}