| //! Completion tests for expressions. |
| use expect_test::{expect, Expect}; |
| |
| use crate::tests::{check_edit, completion_list, BASE_ITEMS_FIXTURE}; |
| |
| fn check(ra_fixture: &str, expect: Expect) { |
| let actual = completion_list(&format!("{}{}", BASE_ITEMS_FIXTURE, ra_fixture)); |
| expect.assert_eq(&actual) |
| } |
| |
| fn check_empty(ra_fixture: &str, expect: Expect) { |
| let actual = completion_list(ra_fixture); |
| expect.assert_eq(&actual); |
| } |
| |
| #[test] |
| fn complete_literal_struct_with_a_private_field() { |
| // `FooDesc.bar` is private, the completion should not be triggered. |
| check( |
| r#" |
| mod _69latrick { |
| pub struct FooDesc { pub six: bool, pub neuf: Vec<String>, bar: bool } |
| pub fn create_foo(foo_desc: &FooDesc) -> () { () } |
| } |
| |
| fn baz() { |
| use _69latrick::*; |
| |
| let foo = create_foo(&$0); |
| } |
| "#, |
| // This should not contain `FooDesc {…}`. |
| expect![[r#" |
| ct CONST |
| en Enum |
| fn baz() fn() |
| fn create_foo(…) fn(&FooDesc) |
| fn function() fn() |
| ma makro!(…) macro_rules! makro |
| md _69latrick |
| md module |
| sc STATIC |
| st FooDesc |
| st Record |
| st Tuple |
| st Unit |
| un Union |
| ev TupleV(…) TupleV(u32) |
| bt u32 |
| kw crate:: |
| kw false |
| kw for |
| kw if |
| kw if let |
| kw loop |
| kw match |
| kw mut |
| kw return |
| kw self:: |
| kw true |
| kw unsafe |
| kw while |
| kw while let |
| "#]], |
| ) |
| } |
| |
| #[test] |
| fn completes_various_bindings() { |
| check_empty( |
| r#" |
| fn func(param0 @ (param1, param2): (i32, i32)) { |
| let letlocal = 92; |
| if let ifletlocal = 100 { |
| match 0 { |
| matcharm => 1 + $0, |
| otherwise => (), |
| } |
| } |
| let letlocal2 = 44; |
| } |
| "#, |
| expect![[r#" |
| fn func(…) fn((i32, i32)) |
| lc ifletlocal i32 |
| lc letlocal i32 |
| lc matcharm i32 |
| lc param0 (i32, i32) |
| lc param1 i32 |
| lc param2 i32 |
| bt u32 |
| kw crate:: |
| kw false |
| kw for |
| kw if |
| kw if let |
| kw loop |
| kw match |
| kw return |
| kw self:: |
| kw true |
| kw unsafe |
| kw while |
| kw while let |
| "#]], |
| ); |
| } |
| |
| #[test] |
| fn completes_all_the_things_in_fn_body() { |
| check( |
| r#" |
| use non_existant::Unresolved; |
| mod qualified { pub enum Enum { Variant } } |
| |
| impl Unit { |
| fn foo<'lifetime, TypeParam, const CONST_PARAM: usize>(self) { |
| fn local_func() {} |
| $0 |
| } |
| } |
| "#, |
| // `self` is in here twice, once as the module, once as the local |
| expect![[r#" |
| ct CONST |
| cp CONST_PARAM |
| en Enum |
| fn function() fn() |
| fn local_func() fn() |
| lc self Unit |
| ma makro!(…) macro_rules! makro |
| md module |
| md qualified |
| sp Self |
| sc STATIC |
| st Record |
| st Tuple |
| st Unit |
| tp TypeParam |
| un Union |
| ev TupleV(…) TupleV(u32) |
| bt u32 |
| kw const |
| kw crate:: |
| kw enum |
| kw extern |
| kw false |
| kw fn |
| kw for |
| kw if |
| kw if let |
| kw impl |
| kw let |
| kw loop |
| kw match |
| kw mod |
| kw return |
| kw self:: |
| kw static |
| kw struct |
| kw trait |
| kw true |
| kw type |
| kw union |
| kw unsafe |
| kw use |
| kw while |
| kw while let |
| me self.foo() fn(self) |
| sn macro_rules |
| sn pd |
| sn ppd |
| ?? Unresolved |
| "#]], |
| ); |
| check( |
| r#" |
| use non_existant::Unresolved; |
| mod qualified { pub enum Enum { Variant } } |
| |
| impl Unit { |
| fn foo<'lifetime, TypeParam, const CONST_PARAM: usize>(self) { |
| fn local_func() {} |
| self::$0 |
| } |
| } |
| "#, |
| expect![[r#" |
| ct CONST |
| en Enum |
| fn function() fn() |
| ma makro!(…) macro_rules! makro |
| md module |
| md qualified |
| sc STATIC |
| st Record |
| st Tuple |
| st Unit |
| tt Trait |
| un Union |
| ev TupleV(…) TupleV(u32) |
| ?? Unresolved |
| "#]], |
| ); |
| } |
| |
| #[test] |
| fn complete_in_block() { |
| check_empty( |
| r#" |
| fn foo() { |
| if true { |
| $0 |
| } |
| } |
| "#, |
| expect![[r#" |
| fn foo() fn() |
| bt u32 |
| kw const |
| kw crate:: |
| kw enum |
| kw extern |
| kw false |
| kw fn |
| kw for |
| kw if |
| kw if let |
| kw impl |
| kw let |
| kw loop |
| kw match |
| kw mod |
| kw return |
| kw self:: |
| kw static |
| kw struct |
| kw trait |
| kw true |
| kw type |
| kw union |
| kw unsafe |
| kw use |
| kw while |
| kw while let |
| sn macro_rules |
| sn pd |
| sn ppd |
| "#]], |
| ) |
| } |
| |
| #[test] |
| fn complete_after_if_expr() { |
| check_empty( |
| r#" |
| fn foo() { |
| if true {} |
| $0 |
| } |
| "#, |
| expect![[r#" |
| fn foo() fn() |
| bt u32 |
| kw const |
| kw crate:: |
| kw else |
| kw else if |
| kw enum |
| kw extern |
| kw false |
| kw fn |
| kw for |
| kw if |
| kw if let |
| kw impl |
| kw let |
| kw loop |
| kw match |
| kw mod |
| kw return |
| kw self:: |
| kw static |
| kw struct |
| kw trait |
| kw true |
| kw type |
| kw union |
| kw unsafe |
| kw use |
| kw while |
| kw while let |
| sn macro_rules |
| sn pd |
| sn ppd |
| "#]], |
| ) |
| } |
| |
| #[test] |
| fn complete_in_match_arm() { |
| check_empty( |
| r#" |
| fn foo() { |
| match () { |
| () => $0 |
| } |
| } |
| "#, |
| expect![[r#" |
| fn foo() fn() |
| bt u32 |
| kw crate:: |
| kw false |
| kw for |
| kw if |
| kw if let |
| kw loop |
| kw match |
| kw return |
| kw self:: |
| kw true |
| kw unsafe |
| kw while |
| kw while let |
| "#]], |
| ) |
| } |
| |
| #[test] |
| fn completes_in_loop_ctx() { |
| check_empty( |
| r"fn my() { loop { $0 } }", |
| expect![[r#" |
| fn my() fn() |
| bt u32 |
| kw break |
| kw const |
| kw continue |
| kw crate:: |
| kw enum |
| kw extern |
| kw false |
| kw fn |
| kw for |
| kw if |
| kw if let |
| kw impl |
| kw let |
| kw loop |
| kw match |
| kw mod |
| kw return |
| kw self:: |
| kw static |
| kw struct |
| kw trait |
| kw true |
| kw type |
| kw union |
| kw unsafe |
| kw use |
| kw while |
| kw while let |
| sn macro_rules |
| sn pd |
| sn ppd |
| "#]], |
| ); |
| } |
| |
| #[test] |
| fn completes_in_let_initializer() { |
| check_empty( |
| r#"fn main() { let _ = $0 }"#, |
| expect![[r#" |
| fn main() fn() |
| bt u32 |
| kw crate:: |
| kw false |
| kw for |
| kw if |
| kw if let |
| kw loop |
| kw match |
| kw return |
| kw self:: |
| kw true |
| kw unsafe |
| kw while |
| kw while let |
| "#]], |
| ) |
| } |
| |
| #[test] |
| fn struct_initializer_field_expr() { |
| check_empty( |
| r#" |
| struct Foo { |
| pub f: i32, |
| } |
| fn foo() { |
| Foo { |
| f: $0 |
| } |
| } |
| "#, |
| expect![[r#" |
| fn foo() fn() |
| st Foo |
| bt u32 |
| kw crate:: |
| kw false |
| kw for |
| kw if |
| kw if let |
| kw loop |
| kw match |
| kw return |
| kw self:: |
| kw true |
| kw unsafe |
| kw while |
| kw while let |
| "#]], |
| ); |
| } |
| |
| #[test] |
| fn shadowing_shows_single_completion() { |
| cov_mark::check!(shadowing_shows_single_completion); |
| |
| check_empty( |
| r#" |
| fn foo() { |
| let bar = 92; |
| { |
| let bar = 62; |
| drop($0) |
| } |
| } |
| "#, |
| expect![[r#" |
| fn foo() fn() |
| lc bar i32 |
| bt u32 |
| kw crate:: |
| kw false |
| kw for |
| kw if |
| kw if let |
| kw loop |
| kw match |
| kw return |
| kw self:: |
| kw true |
| kw unsafe |
| kw while |
| kw while let |
| "#]], |
| ); |
| } |
| |
| #[test] |
| fn in_macro_expr_frag() { |
| check_empty( |
| r#" |
| macro_rules! m { ($e:expr) => { $e } } |
| fn quux(x: i32) { |
| m!($0); |
| } |
| "#, |
| expect![[r#" |
| fn quux(…) fn(i32) |
| lc x i32 |
| ma m!(…) macro_rules! m |
| bt u32 |
| kw crate:: |
| kw false |
| kw for |
| kw if |
| kw if let |
| kw loop |
| kw match |
| kw return |
| kw self:: |
| kw true |
| kw unsafe |
| kw while |
| kw while let |
| "#]], |
| ); |
| check_empty( |
| r" |
| macro_rules! m { ($e:expr) => { $e } } |
| fn quux(x: i32) { |
| m!(x$0); |
| } |
| ", |
| expect![[r#" |
| fn quux(…) fn(i32) |
| lc x i32 |
| ma m!(…) macro_rules! m |
| bt u32 |
| kw crate:: |
| kw false |
| kw for |
| kw if |
| kw if let |
| kw loop |
| kw match |
| kw return |
| kw self:: |
| kw true |
| kw unsafe |
| kw while |
| kw while let |
| "#]], |
| ); |
| check_empty( |
| r#" |
| macro_rules! m { ($e:expr) => { $e } } |
| fn quux(x: i32) { |
| let y = 92; |
| m!(x$0 |
| } |
| "#, |
| expect![[r#""#]], |
| ); |
| } |
| |
| #[test] |
| fn enum_qualified() { |
| check( |
| r#" |
| impl Enum { |
| type AssocType = (); |
| const ASSOC_CONST: () = (); |
| fn assoc_fn() {} |
| } |
| fn func() { |
| Enum::$0 |
| } |
| "#, |
| expect![[r#" |
| ct ASSOC_CONST const ASSOC_CONST: () |
| fn assoc_fn() fn() |
| ta AssocType type AssocType = () |
| ev RecordV {…} RecordV { field: u32 } |
| ev TupleV(…) TupleV(u32) |
| ev UnitV UnitV |
| "#]], |
| ); |
| } |
| |
| #[test] |
| fn ty_qualified_no_drop() { |
| check_empty( |
| r#" |
| //- minicore: drop |
| struct Foo; |
| impl Drop for Foo { |
| fn drop(&mut self) {} |
| } |
| fn func() { |
| Foo::$0 |
| } |
| "#, |
| expect![[r#""#]], |
| ); |
| } |
| |
| #[test] |
| fn with_parens() { |
| check_empty( |
| r#" |
| enum Enum { |
| Variant() |
| } |
| impl Enum { |
| fn variant() -> Self { Enum::Variant() } |
| } |
| fn func() { |
| Enum::$0() |
| } |
| "#, |
| expect![[r#" |
| fn variant fn() -> Enum |
| ev Variant Variant |
| "#]], |
| ); |
| } |
| |
| #[test] |
| fn detail_impl_trait_in_return_position() { |
| check_empty( |
| r" |
| //- minicore: sized |
| trait Trait<T> {} |
| fn foo<U>() -> impl Trait<U> {} |
| fn main() { |
| self::$0 |
| } |
| ", |
| expect![[r#" |
| fn foo() fn() -> impl Trait<U> |
| fn main() fn() |
| tt Trait |
| "#]], |
| ); |
| } |
| |
| #[test] |
| fn detail_async_fn() { |
| check_empty( |
| r#" |
| //- minicore: future, sized |
| trait Trait<T> {} |
| async fn foo() -> u8 {} |
| async fn bar<U>() -> impl Trait<U> {} |
| fn main() { |
| self::$0 |
| } |
| "#, |
| expect![[r#" |
| fn bar() async fn() -> impl Trait<U> |
| fn foo() async fn() -> u8 |
| fn main() fn() |
| tt Trait |
| "#]], |
| ); |
| } |
| |
| #[test] |
| fn detail_impl_trait_in_argument_position() { |
| check_empty( |
| r" |
| //- minicore: sized |
| trait Trait<T> {} |
| struct Foo; |
| impl Foo { |
| fn bar<U>(_: impl Trait<U>) {} |
| } |
| fn main() { |
| Foo::$0 |
| } |
| ", |
| expect![[r" |
| fn bar(…) fn(impl Trait<U>) |
| "]], |
| ); |
| } |
| |
| #[test] |
| fn complete_record_expr_path() { |
| check( |
| r#" |
| struct Zulu; |
| impl Zulu { |
| fn test() -> Self { } |
| } |
| fn boi(val: Zulu) { } |
| fn main() { |
| boi(Zulu:: $0 {}); |
| } |
| "#, |
| expect![[r#" |
| fn test() fn() -> Zulu |
| "#]], |
| ); |
| } |
| |
| #[test] |
| fn return_unit_block() { |
| cov_mark::check!(return_unit_block); |
| check_edit("return", r#"fn f() { if true { $0 } }"#, r#"fn f() { if true { return; } }"#); |
| } |
| |
| #[test] |
| fn return_unit_no_block() { |
| cov_mark::check!(return_unit_no_block); |
| check_edit( |
| "return", |
| r#"fn f() { match () { () => $0 } }"#, |
| r#"fn f() { match () { () => return } }"#, |
| ); |
| } |
| |
| #[test] |
| fn return_value_block() { |
| cov_mark::check!(return_value_block); |
| check_edit( |
| "return", |
| r#"fn f() -> i32 { if true { $0 } }"#, |
| r#"fn f() -> i32 { if true { return $0; } }"#, |
| ); |
| } |
| |
| #[test] |
| fn return_value_no_block() { |
| cov_mark::check!(return_value_no_block); |
| check_edit( |
| "return", |
| r#"fn f() -> i32 { match () { () => $0 } }"#, |
| r#"fn f() -> i32 { match () { () => return $0 } }"#, |
| ); |
| } |
