@Test
public void checkMethodName() throws Exception {

    try {
        AbstractConfig.checkMethodName("hello", "abcdABCD0123abcd");
    } catch (Exception e) {
        TestCase.fail("the value should be legal.");
    }
    try {
        AbstractConfig.checkMethodName("hello", "0a");
        TestCase.fail("the value should be illegal.");
    } catch (Exception e) {
        // ignore
    }
}