public function testGetOptionalSubvalue() { $this->assertEquals(self::TEST_DEFAULT_VALUE, \OLOG\ConfWrapper::getOptionalSubvalue(self::TEST_CONFIG_ARR, self::TEST_FIRST_LEVEL_ARR_KEY . '.' . self::TEST_NOT_EXISTING_KEY, self::TEST_DEFAULT_VALUE)); $this->assertEquals(self::TEST_VALUE, \OLOG\ConfWrapper::getOptionalSubvalue(self::TEST_CONFIG_ARR, self::TEST_FIRST_LEVEL_ARR_KEY . '.' . self::TEST_SECOND_LEVEL_STRING_KEY)); }