protected static void checkNotNegativeInteger(String configKey, int configValue) throws SofaRpcRuntimeException {
        if (configValue < 0) {
            throw ExceptionUtils.buildRuntime(configKey, configValue + "", "must >= 0");
        }
    }
@Test
    public void checkNotNegativeInteger() {
        ConfigValueHelper.checkNotNegativeInteger("aaa", 1);
        ConfigValueHelper.checkNotNegativeInteger("aaa", 0);
        try {
            ConfigValueHelper.checkNotNegativeInteger("aaa", -1);
            Assert.fail();
        } catch (Exception e) {
            Assert.assertTrue(e.getMessage().contains("aaa"));
        }
    }