diff options
Diffstat (limited to 'syn/tests/test_receiver.rs')
-rw-r--r-- | syn/tests/test_receiver.rs | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/syn/tests/test_receiver.rs b/syn/tests/test_receiver.rs new file mode 100644 index 0000000..168db8f --- /dev/null +++ b/syn/tests/test_receiver.rs @@ -0,0 +1,109 @@ +mod features; + +use syn::{FnArg, Receiver, TraitItemMethod}; + +#[test] +fn test_by_value() { + let TraitItemMethod { sig, .. } = syn::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, .. } = syn::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, .. } = syn::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, .. } = syn::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, .. } = syn::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, .. } = syn::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, .. } = syn::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, .. } = syn::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, .. } = syn::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, .. } = syn::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), + } +} |