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|
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),
}
}
|
