ClosedLoopPolicy extends Policy { static String readFile(String path, Charset encoding) throws IOException { byte[] encoded = Files.readAllBytes(Paths.get(path)); return new String(encoded, encoding); } ClosedLoopPolicy();  ClosedLoopPolicy(PolicyRestAdapter policyAdapter); @Override Map<String, String> savePolicies(); @Override boolean prepareToSave(); @Override Object getCorrectPolicyDataObject();  }
@Test public void testReadFile() throws IOException { thrown.expect(IOException.class); ClosedLoopPolicy.readFile("/foo", StandardCharsets.UTF_8); fail("Expecting an exception."); }