| use syn::{parse_quote, FnArg, Receiver, TraitItemMethod}; |
| |
| #[test] |
| fn test_by_value() { |
| let TraitItemMethod { sig, .. } = parse_quote! { |
| fn by_value(self: Self); |
| }; |
| match sig.receiver() { |
| Some(FnArg::Typed(_)) => (), |
| value => panic!("expected FnArg::Typed, got {:?}", value), |
| } |
| } |
| |
| #[test] |
| fn test_by_mut_value() { |
| let TraitItemMethod { sig, .. } = parse_quote! { |
| fn by_mut(mut self: Self); |
| }; |
| match sig.receiver() { |
| Some(FnArg::Typed(_)) => (), |
| value => panic!("expected FnArg::Typed, got {:?}", value), |
| } |
| } |
| |
| #[test] |
| fn test_by_ref() { |
| let TraitItemMethod { sig, .. } = parse_quote! { |
| fn by_ref(self: &Self); |
| }; |
| match sig.receiver() { |
| Some(FnArg::Typed(_)) => (), |
| value => panic!("expected FnArg::Typed, got {:?}", value), |
| } |
| } |
| |
| #[test] |
| fn test_by_box() { |
| let TraitItemMethod { sig, .. } = parse_quote! { |
| fn by_box(self: Box<Self>); |
| }; |
| match sig.receiver() { |
| Some(FnArg::Typed(_)) => (), |
| value => panic!("expected FnArg::Typed, got {:?}", value), |
| } |
| } |
| |
| #[test] |
| fn test_by_pin() { |
| let TraitItemMethod { sig, .. } = parse_quote! { |
| fn by_pin(self: Pin<Self>); |
| }; |
| match sig.receiver() { |
| Some(FnArg::Typed(_)) => (), |
| value => panic!("expected FnArg::Typed, got {:?}", value), |
| } |
| } |
| |
| #[test] |
| fn test_explicit_type() { |
| let TraitItemMethod { sig, .. } = parse_quote! { |
| fn explicit_type(self: Pin<MyType>); |
| }; |
| match sig.receiver() { |
| Some(FnArg::Typed(_)) => (), |
| value => panic!("expected FnArg::Typed, got {:?}", value), |
| } |
| } |
| |
| #[test] |
| fn test_value_shorthand() { |
| let TraitItemMethod { sig, .. } = parse_quote! { |
| fn value_shorthand(self); |
| }; |
| match sig.receiver() { |
| Some(FnArg::Receiver(Receiver { |
| reference: None, |
| mutability: None, |
| .. |
| })) => (), |
| value => panic!("expected FnArg::Receiver without ref/mut, got {:?}", value), |
| } |
| } |
| |
| #[test] |
| fn test_mut_value_shorthand() { |
| let TraitItemMethod { sig, .. } = parse_quote! { |
| fn mut_value_shorthand(mut self); |
| }; |
| match sig.receiver() { |
| Some(FnArg::Receiver(Receiver { |
| reference: None, |
| mutability: Some(_), |
| .. |
| })) => (), |
| value => panic!("expected FnArg::Receiver with mut, got {:?}", value), |
| } |
| } |
| |
| #[test] |
| fn test_ref_shorthand() { |
| let TraitItemMethod { sig, .. } = parse_quote! { |
| fn ref_shorthand(&self); |
| }; |
| match sig.receiver() { |
| Some(FnArg::Receiver(Receiver { |
| reference: Some(_), |
| mutability: None, |
| .. |
| })) => (), |
| value => panic!("expected FnArg::Receiver with ref, got {:?}", value), |
| } |
| } |
| |
| #[test] |
| fn test_ref_mut_shorthand() { |
| let TraitItemMethod { sig, .. } = parse_quote! { |
| fn ref_mut_shorthand(&mut self); |
| }; |
| match sig.receiver() { |
| Some(FnArg::Receiver(Receiver { |
| reference: Some(_), |
| mutability: Some(_), |
| .. |
| })) => (), |
| value => panic!("expected FnArg::Receiver with ref+mut, got {:?}", value), |
| } |
| } |