assertEquals("abc", StringUtil.substringFromLast("abc", ""));
        assertEquals("abc", StringUtil.substringFromLast("abc", null));
        assertEquals("abc", StringUtil.substringFromLast("abc", "dddd"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testSubstringToLast() throws Exception {
        assertEquals("", StringUtil.substringToLast("abc", "c"));

      val v1Updater = cache.edit("k1")!!
      v1Updater.setString(0, "CCcc")
      v1Updater.setString(1, "DDdd")
      v1Updater.commit()

      cache["k1"]!!.use { snapshot2 ->
        snapshot2.assertValue(0, "CCcc")
        snapshot2.assertValue(1, "DDdd")
      }

      assertThat(inV1.readByte()).isEqualTo('a'.code.toByte())
      assertThat(inV1.readByte()).isEqualTo('a'.code.toByte())