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Update wrong-number-of-args test to cover more edge cases
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‎src/test/ui/generics/wrong-number-of-args.rs

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@@ -36,6 +36,10 @@ mod type_and_type {
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type D = Ty<usize, String, char>;
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//~^ ERROR this struct takes 2 generic arguments but 3 generic arguments
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//~| HELP remove this
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type E = Ty<>;
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//~^ ERROR this struct takes 2 generic arguments but 0 generic arguments were supplied
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//~| HELP add missing
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}
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mod lifetime_and_type {
@@ -56,6 +60,12 @@ mod lifetime_and_type {
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//~| HELP consider introducing
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type D = Ty<'static, usize>;
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type E = Ty<>;
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//~^ ERROR this struct takes 1 generic argument but 0 generic arguments
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//~| ERROR missing lifetime specifier
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//~| HELP consider introducing
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//~| HELP add missing
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}
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mod type_and_type_and_type {
@@ -76,6 +86,10 @@ mod type_and_type_and_type {
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type E = Ty<usize, String, char, f64>;
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//~^ ERROR this struct takes at most 3
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//~| HELP remove
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type F = Ty<>;
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//~^ ERROR this struct takes at least 2 generic arguments but 0 generic arguments
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//~| HELP add missing
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}
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// Traits have an implicit `Self` type - these tests ensure we don't accidentally return it
@@ -112,6 +126,166 @@ mod r#trait {
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type E = Box<dyn GenericType<String, usize>>;
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//~^ ERROR this trait takes 1 generic argument but 2 generic arguments
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//~| HELP remove
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type F = Box<dyn GenericLifetime<>>;
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//~^ ERROR missing lifetime specifier
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//~| HELP consider introducing
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type G = Box<dyn GenericType<>>;
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//~^ ERROR this trait takes 1 generic argument but 0 generic arguments
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//~| HELP add missing
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}
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mod associated_item {
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mod non_generic {
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trait NonGenericAT {
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type AssocTy;
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}
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type A = Box<dyn NonGenericAT<usize, AssocTy=()>>;
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//~^ ERROR this trait takes 0 generic arguments but 1 generic argument
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//~| HELP remove
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}
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mod lifetime {
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trait GenericLifetimeAT<'a> {
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type AssocTy;
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}
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type A = Box<dyn GenericLifetimeAT<AssocTy=()>>;
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//~^ ERROR missing lifetime specifier
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//~| HELP consider introducing
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type B = Box<dyn GenericLifetimeAT<'static, 'static, AssocTy=()>>;
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//~^ ERROR this trait takes 1 lifetime argument but 2 lifetime arguments were supplied
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//~| HELP remove
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type C = Box<dyn GenericLifetimeAT<(), AssocTy=()>>;
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//~^ ERROR missing lifetime specifier
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//~| HELP consider introducing
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//~| ERROR this trait takes 0 generic arguments but 1 generic argument
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//~| HELP remove
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}
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mod r#type {
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trait GenericTypeAT<A> {
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type AssocTy;
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}
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type A = Box<dyn GenericTypeAT<AssocTy=()>>;
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//~^ ERROR this trait takes 1 generic argument but 0 generic arguments
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//~| HELP add missing
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type B = Box<dyn GenericTypeAT<(), (), AssocTy=()>>;
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//~^ ERROR this trait takes 1 generic argument but 2 generic arguments
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//~| HELP remove
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type C = Box<dyn GenericTypeAT<'static, AssocTy=()>>;
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//~^ ERROR this trait takes 1 generic argument but 0 generic arguments
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//~| HELP add missing
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//~| ERROR this trait takes 0 lifetime arguments but 1 lifetime argument was supplied
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//~| HELP remove
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}
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mod lifetime_and_type {
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trait GenericLifetimeTypeAT<'a, A> {
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type AssocTy;
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}
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type A = Box<dyn GenericLifetimeTypeAT<AssocTy=()>>;
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//~^ ERROR this trait takes 1 generic argument but 0 generic arguments
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//~| HELP add missing
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//~| ERROR missing lifetime specifier
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//~| HELP consider introducing
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type B = Box<dyn GenericLifetimeTypeAT<'static, AssocTy=()>>;
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//~^ ERROR this trait takes 1 generic argument but 0 generic arguments were supplied
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//~| HELP add missing
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type C = Box<dyn GenericLifetimeTypeAT<'static, 'static, AssocTy=()>>;
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//~^ ERROR this trait takes 1 lifetime argument but 2 lifetime arguments were supplied
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//~| HELP remove
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//~| ERROR this trait takes 1 generic argument but 0 generic arguments
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//~| HELP add missing
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type D = Box<dyn GenericLifetimeTypeAT<(), AssocTy=()>>;
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//~^ ERROR missing lifetime specifier
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//~| HELP consider introducing
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type E = Box<dyn GenericLifetimeTypeAT<(), (), AssocTy=()>>;
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//~^ ERROR missing lifetime specifier
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//~| HELP consider introducing
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//~| ERROR this trait takes 1 generic argument but 2 generic arguments
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//~| HELP remove
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type F = Box<dyn GenericLifetimeTypeAT<'static, 'static, (), AssocTy=()>>;
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//~^ ERROR this trait takes 1 lifetime argument but 2 lifetime arguments were supplied
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//~| HELP remove
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type G = Box<dyn GenericLifetimeTypeAT<'static, (), (), AssocTy=()>>;
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//~^ ERROR this trait takes 1 generic argument but 2 generic arguments
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//~| HELP remove
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type H = Box<dyn GenericLifetimeTypeAT<'static, 'static, (), (), AssocTy=()>>;
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//~^ ERROR this trait takes 1 lifetime argument but 2 lifetime arguments were supplied
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//~| HELP remove
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//~| ERROR this trait takes 1 generic argument but 2 generic arguments
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//~| HELP remove
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}
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mod type_and_type {
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trait GenericTypeTypeAT<A, B> {
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type AssocTy;
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}
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type A = Box<dyn GenericTypeTypeAT<AssocTy=()>>;
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//~^ ERROR this trait takes 2 generic arguments but 0 generic arguments
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//~| HELP add missing
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type B = Box<dyn GenericTypeTypeAT<(), AssocTy=()>>;
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//~^ ERROR this trait takes 2 generic arguments but 1 generic argument
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//~| HELP add missing
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type C = Box<dyn GenericTypeTypeAT<(), (), (), AssocTy=()>>;
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//~^ ERROR this trait takes 2 generic arguments but 3 generic arguments
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//~| HELP remove
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}
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mod lifetime_and_lifetime {
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trait GenericLifetimeLifetimeAT<'a, 'b> {
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type AssocTy;
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}
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type A = Box<dyn GenericLifetimeLifetimeAT<AssocTy=()>>;
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//~^ ERROR missing lifetime specifier
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//~| HELP consider introducing
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type B = Box<dyn GenericLifetimeLifetimeAT<'static, AssocTy=()>>;
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//~^ ERROR this trait takes 2 lifetime arguments but 1 lifetime argument was supplied
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//~| HELP add missing lifetime argument
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}
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mod lifetime_and_lifetime_and_type {
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trait GenericLifetimeLifetimeTypeAT<'a, 'b, A> {
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type AssocTy;
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}
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type A = Box<dyn GenericLifetimeLifetimeTypeAT<AssocTy=()>>;
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//~^ ERROR missing lifetime specifier
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//~| HELP consider introducing
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//~| ERROR this trait takes 1 generic argument but 0 generic arguments
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//~| HELP add missing
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type B = Box<dyn GenericLifetimeLifetimeTypeAT<'static, AssocTy=()>>;
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//~^ ERROR this trait takes 2 lifetime arguments but 1 lifetime argument was supplied
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//~| HELP add missing lifetime argument
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//~| ERROR this trait takes 1 generic argument but 0 generic arguments
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//~| HELP add missing
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type C = Box<dyn GenericLifetimeLifetimeTypeAT<'static, (), AssocTy=()>>;
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//~^ ERROR this trait takes 2 lifetime arguments but 1 lifetime argument was supplied
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//~| HELP add missing lifetime argument
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}
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}
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mod stdlib {
@@ -135,6 +309,10 @@ mod stdlib {
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type D = HashMap<usize, String, char, f64>;
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//~^ ERROR this struct takes at most 3
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//~| HELP remove this
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type E = HashMap<>;
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//~^ ERROR this struct takes at least 2 generic arguments but 0 generic arguments
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//~| HELP add missing
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}
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mod result {
@@ -155,6 +333,10 @@ mod stdlib {
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type D = Result<usize, String, char>;
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//~^ ERROR this enum takes 2 generic arguments but 3 generic arguments
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//~| HELP remove
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type E = Result<>;
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//~^ ERROR this enum takes 2 generic arguments but 0 generic arguments
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//~| HELP add missing
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}
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}
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