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85aaf69f SL |
1 | // ignore-tidy-linelength |
2 | ||
60c5eb7d | 3 | #![feature(rustc_attrs)] |
85aaf69f SL |
4 | |
5 | #![allow(unused)] | |
6 | ||
85aaf69f SL |
7 | #[rustc_on_unimplemented = "test error `{Self}` with `{Bar}` `{Baz}` `{Quux}`"] |
8 | trait Foo<Bar, Baz, Quux> | |
85aaf69f SL |
9 | {} |
10 | ||
11 | #[rustc_on_unimplemented="a collection of type `{Self}` cannot be built from an iterator over elements of type `{A}`"] | |
12 | trait MyFromIterator<A> { | |
9fa01778 | 13 | /// Builds a container with elements from an external iterator. |
85aaf69f SL |
14 | fn my_from_iter<T: Iterator<Item=A>>(iterator: T) -> Self; |
15 | } | |
16 | ||
9fa01778 | 17 | #[rustc_on_unimplemented] |
dc9dc135 | 18 | //~^ ERROR malformed `rustc_on_unimplemented` attribute |
85aaf69f | 19 | trait BadAnnotation1 |
85aaf69f SL |
20 | {} |
21 | ||
22 | #[rustc_on_unimplemented = "Unimplemented trait error on `{Self}` with params `<{A},{B},{C}>`"] | |
b7449926 | 23 | //~^ ERROR there is no parameter `C` on trait `BadAnnotation2` |
85aaf69f | 24 | trait BadAnnotation2<A,B> |
85aaf69f SL |
25 | {} |
26 | ||
27 | #[rustc_on_unimplemented = "Unimplemented trait error on `{Self}` with params `<{A},{B},{}>`"] | |
28 | //~^ only named substitution parameters are allowed | |
29 | trait BadAnnotation3<A,B> | |
85aaf69f SL |
30 | {} |
31 | ||
ea8adc8c | 32 | #[rustc_on_unimplemented(lorem="")] |
ff7c6d11 | 33 | //~^ this attribute must have a valid |
ea8adc8c XL |
34 | trait BadAnnotation4 {} |
35 | ||
36 | #[rustc_on_unimplemented(lorem(ipsum(dolor)))] | |
ff7c6d11 | 37 | //~^ this attribute must have a valid |
ea8adc8c XL |
38 | trait BadAnnotation5 {} |
39 | ||
40 | #[rustc_on_unimplemented(message="x", message="y")] | |
ff7c6d11 | 41 | //~^ this attribute must have a valid |
ea8adc8c XL |
42 | trait BadAnnotation6 {} |
43 | ||
44 | #[rustc_on_unimplemented(message="x", on(desugared, message="y"))] | |
ff7c6d11 | 45 | //~^ this attribute must have a valid |
ea8adc8c XL |
46 | trait BadAnnotation7 {} |
47 | ||
48 | #[rustc_on_unimplemented(on(), message="y")] | |
ff7c6d11 | 49 | //~^ empty `on`-clause |
ea8adc8c XL |
50 | trait BadAnnotation8 {} |
51 | ||
52 | #[rustc_on_unimplemented(on="x", message="y")] | |
ff7c6d11 | 53 | //~^ this attribute must have a valid |
ea8adc8c XL |
54 | trait BadAnnotation9 {} |
55 | ||
56 | #[rustc_on_unimplemented(on(x="y"), message="y")] | |
57 | trait BadAnnotation10 {} | |
58 | ||
59 | #[rustc_on_unimplemented(on(desugared, on(desugared, message="x")), message="y")] | |
ff7c6d11 | 60 | //~^ this attribute must have a valid |
ea8adc8c XL |
61 | trait BadAnnotation11 {} |
62 | ||
85aaf69f SL |
63 | pub fn main() { |
64 | } |