    @Test
    public void testReadJsonIntArray(){

        RLParamParser parser = new RLParamParser();
        RLParams params = parser.getParams("{\"params\" : [{\"type\": \"int_array\", \"name\": \"numc\", \"val\": [1,2,4]}]}");
        List<Integer> numc = (List<Integer>) params.get("numc");
        Integer[] expectedNumc = new Integer[]{1, 2, 4};
        assertArrayEquals(numc.toArray(), expectedNumc);

    }