final String encrypted = cipher.encryptText(original);
        final String decrypted = cipher.decryptText(encrypted);

        assertThat(decrypted, is(original));
    }

    @Test
    public void testUnicodeText() {
        final CachedCipher cipher = new CachedCipher();
        cipher.setKey("mySecretKey");

        final String original = "Hello 世界 مرحبا мир";
        final String encrypted = cipher.encryptText(original);