2 // Various structs/fields that we are deriving `Arbitrary` for aren't actually
6 use arbitrary::*;
8 fn arbitrary_from<'a, T: Arbitrary<'a>>(input: &'a [u8]) -> T {  in arbitrary_from()
10     T::arbitrary(&mut buf).expect("can create arbitrary instance OK")  in arbitrary_from()
13 #[derive(Copy, Clone, Debug, Eq, PartialEq, Arbitrary)]
27     assert_eq!((3, Some(3)), <Rgb as Arbitrary>::size_hint(0));  in struct_with_named_fields()
30 #[derive(Copy, Clone, Debug, Arbitrary)]
43     assert_eq!((2, Some(2)), <MyTupleStruct as Arbitrary>::size_hint(0));  in tuple_struct()
46 #[derive(Clone, Debug, Arbitrary)]
48 #[derive(Clone, Debug, Arbitrary)]
66 #[derive(Copy, Clone, Debug, Arbitrary)]
116     assert_eq!((4, Some(17)), <MyEnum as Arbitrary>::size_hint(0));  in derive_enum()
119 #[derive(Arbitrary, Debug)]
133     let (lower, upper) = <RecursiveTree as Arbitrary>::size_hint(0);  in recursive()
141 #[derive(Arbitrary, Debug)]
152     let (lower, upper) = <Generic<u32> as Arbitrary>::size_hint(0);  in generics()
157 #[derive(Arbitrary, Debug)]
169     let (lower, upper) = <OneLifetime as Arbitrary>::size_hint(0);  in one_lifetime()
174 #[derive(Arbitrary, Debug)]
188     let (lower, upper) = <TwoLifetimes as Arbitrary>::size_hint(0);  in two_lifetimes()
196     // https://github.com/rust-fuzz/arbitrary/issues/107 for details.  in recursive_and_empty_input()
198     #[derive(Debug, Arbitrary)]  in recursive_and_empty_input()
204     let _ = Nat::arbitrary(&mut Unstructured::new(&[]));  in recursive_and_empty_input()
206     #[derive(Debug, Arbitrary)]  in recursive_and_empty_input()
212     let _ = Nat2::arbitrary(&mut Unstructured::new(&[]));  in recursive_and_empty_input()
214     #[derive(Debug, Arbitrary)]  in recursive_and_empty_input()
219     let _ = Nat3::arbitrary(&mut Unstructured::new(&[]));  in recursive_and_empty_input()
221     #[derive(Debug, Arbitrary)]  in recursive_and_empty_input()
224     let _ = Nat4::arbitrary(&mut Unstructured::new(&[]));  in recursive_and_empty_input()
226     #[derive(Debug, Arbitrary)]  in recursive_and_empty_input()
232     let _ = Nat5::arbitrary(&mut Unstructured::new(&[]));  in recursive_and_empty_input()
237     // A type that DOES NOT implement Arbitrary  in test_field_attributes()
241     #[derive(Debug, Arbitrary)]  in test_field_attributes()
243         #[arbitrary(with = arbitrary_weight)]  in test_field_attributes()
246         #[arbitrary(default)]  in test_field_attributes()
249         #[arbitrary(value = 2 + 2)]  in test_field_attributes()
254         #[arbitrary(with = |u: &mut Unstructured| u.int_in_range(0..=100))]  in test_field_attributes()
258     fn arbitrary_weight(u: &mut Unstructured) -> arbitrary::Result<Weight> {  in test_field_attributes()
273     // 199 is the 2nd byte used by arbitrary  in test_field_attributes()
276     // 17 is the 3rd byte used by arbitrary  in test_field_attributes()