+ #[derive(Debug, PartialEq)]
+ struct TestUpgradable {
+ a: u32,
+ b: u32,
+ c: Option<u32>,
+ }
+
+ fn upgradable_tlv_reader(s: &[u8]) -> Result<Option<TestUpgradable>, DecodeError> {
+ let mut s = Cursor::new(s);
+ let mut a = 0;
+ let mut b = 0;
+ let mut c: Option<u32> = None;
+ decode_tlv_stream!(&mut s, {(2, a, upgradable_required), (3, b, upgradable_required), (4, c, upgradable_option)});
+ Ok(Some(TestUpgradable { a, b, c, }))
+ }
+
+ #[test]
+ fn upgradable_tlv_simple_good_cases() {
+ assert_eq!(upgradable_tlv_reader(&<Vec<u8>>::from_hex(
+ concat!("0204deadbeef", "03041bad1dea", "0404deadbeef")
+ ).unwrap()[..]).unwrap(),
+ Some(TestUpgradable { a: 0xdeadbeef, b: 0x1bad1dea, c: Some(0xdeadbeef) }));
+
+ assert_eq!(upgradable_tlv_reader(&<Vec<u8>>::from_hex(
+ concat!("0204deadbeef", "03041bad1dea")
+ ).unwrap()[..]).unwrap(),
+ Some(TestUpgradable { a: 0xdeadbeef, b: 0x1bad1dea, c: None}));
+ }
+
+ #[test]
+ fn missing_required_upgradable() {
+ if let Err(DecodeError::InvalidValue) = upgradable_tlv_reader(&<Vec<u8>>::from_hex(
+ concat!("0100", "0204deadbeef")
+ ).unwrap()[..]) {
+ } else { panic!(); }
+ if let Err(DecodeError::InvalidValue) = upgradable_tlv_reader(&<Vec<u8>>::from_hex(
+ concat!("0100", "03041bad1dea")
+ ).unwrap()[..]) {
+ } else { panic!(); }
+ }
+