void () { doTest("java.lang.IllegalArgumentException", "Find why 'x' could be <= 0 or >= 5", "class X {static void test(int x) { switch (x) { " + "case 1: break; case 2: return; case 3, 4: System.out.println(\"\");break; " + "case 5: default: throw new IllegalArgumentException(); } } }"); }