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move tests to ra_hir_ty

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This commit is contained in:
adamrk 2020-06-20 11:32:01 +02:00
parent f0c8058f12
commit 436dcd9656
2 changed files with 155 additions and 104 deletions
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155
crates/ra_hir_ty/src/tests/traits.rs
View File

@ -2888,3 +2888,158 @@ impl<A: Step> iter::Iterator for ops::Range<A> {
);
assert_eq!(t, "i32");
}
#[test]
fn infer_closure_arg() {
assert_snapshot!(
infer(
r#"
//- /lib.rs
enum Option<T> {
None,
Some(T)
}
fn foo() {
let s = Option::None;
let f = |x: Option<i32>| {};
(&f)(s)
}
"#
),
@r###"
137..259 '{ ... }': ()
159..160 's': Option<i32>
163..175 'Option::None': Option<i32>
197..198 'f': |Option<i32>| -> ()
201..220 '|x: Op...2>| {}': |Option<i32>| -> ()
202..203 'x': Option<i32>
218..220 '{}': ()
238..245 '(&f)(s)': ()
239..241 '&f': &|Option<i32>| -> ()
240..241 'f': |Option<i32>| -> ()
243..244 's': Option<i32>
"###
);
}
#[test]
fn infer_fn_trait_arg() {
assert_snapshot!(
infer(
r#"
//- /lib.rs deps:std
#[lang = "fn_once"]
pub trait FnOnce<Args> {
type Output;
extern "rust-call" fn call_once(&self, args: Args) -> Self::Output;
}
#[lang = "fn"]
pub trait Fn<Args>:FnOnce<Args> {
extern "rust-call" fn call(&self, args: Args) -> Self::Output;
}
enum Option<T> {
None,
Some(T)
}
fn foo<F, T>(f: F) -> T
where
F: Fn(Option<i32>) -> T,
{
let s = None;
f(s)
}
"#
),
@r###"
183..187 'self': &Self
189..193 'args': Args
350..354 'self': &Self
356..360 'args': Args
515..516 'f': F
597..663 '{ ... }': T
619..620 's': Option<i32>
623..627 'None': Option<i32>
645..646 'f': F
645..649 'f(s)': T
647..648 's': Option<i32>
"###
);
}
#[test]
fn infer_box_fn_arg() {
assert_snapshot!(
infer(
r#"
//- /lib.rs deps:std
#[lang = "fn_once"]
pub trait FnOnce<Args> {
type Output;
extern "rust-call" fn call_once(self, args: Args) -> Self::Output;
}
#[lang = "deref"]
pub trait Deref {
type Target: ?Sized;
fn deref(&self) -> &Self::Target;
}
#[lang = "owned_box"]
pub struct Box<T: ?Sized> {
inner: *mut T,
}
impl<T: ?Sized> Deref for Box<T> {
type Target = T;
fn deref(&self) -> &T {
&self.inner
}
}
enum Option<T> {
None,
Some(T)
}
fn foo() {
let s = Option::None;
let f: Box<dyn FnOnce(&Option<i32>)> = box (|ps| {});
f(&s)
}
"#
),
@r###"
182..186 'self': Self
188..192 'args': Args
356..360 'self': &Self
622..626 'self': &Box<T>
634..685 '{ ... }': &T
656..667 '&self.inner': &*mut T
657..661 'self': &Box<T>
657..667 'self.inner': *mut T
812..957 '{ ... }': FnOnce::Output<dyn FnOnce<(&Option<i32>,)>, ({unknown},)>
834..835 's': Option<i32>
838..850 'Option::None': Option<i32>
872..873 'f': Box<dyn FnOnce<(&Option<i32>,)>>
907..920 'box (|ps| {})': Box<|{unknown}| -> ()>
912..919 '|ps| {}': |{unknown}| -> ()
913..915 'ps': {unknown}
917..919 '{}': ()
938..939 'f': Box<dyn FnOnce<(&Option<i32>,)>>
938..943 'f(&s)': FnOnce::Output<dyn FnOnce<(&Option<i32>,)>, ({unknown},)>
940..942 '&s': &Option<i32>
941..942 's': Option<i32>
"###
);
}

104
crates/ra_ide/src/hover.rs
View File

@ -2410,108 +2410,4 @@ fn main() {
]
"###);
}
#[test]
fn infer_closure_arg() {
check_hover_result(
r#"
//- /lib.rs
enum Option<T> {
None,
Some(T)
}
fn foo() {
let s<|> = Option::None;
let f = |x: Option<i32>| {};
(&f)(s)
}
"#,
&["Option<i32>"],
);
}
#[test]
fn infer_fn_trait_arg() {
check_hover_result(
r#"
//- /lib.rs deps:std
#[lang = "fn_once"]
pub trait FnOnce<Args> {
type Output;
extern "rust-call" fn call_once(&self, args: Args) -> Self::Output;
}
#[lang = "fn"]
pub trait Fn<Args>:FnOnce<Args> {
extern "rust-call" fn call(&self, args: Args) -> Self::Output;
}
enum Option<T> {
None,
Some(T)
}
fn foo<F, T>(f: F) -> T
where
F: Fn(Option<i32>) -> T,
{
let s<|> = None;
f(s)
}
"#,
&["Option<i32>"],
);
}
#[test]
fn infer_box_fn_arg() {
check_hover_result(
r#"
//- /lib.rs deps:std
#[lang = "fn_once"]
pub trait FnOnce<Args> {
type Output;
extern "rust-call" fn call_once(self, args: Args) -> Self::Output;
}
#[lang = "deref"]
pub trait Deref {
type Target: ?Sized;
fn deref(&self) -> &Self::Target;
}
#[lang = "owned_box"]
pub struct Box<T: ?Sized> {
inner: *mut T,
}
impl<T: ?Sized> Deref for Box<T> {
type Target = T;
fn deref(&self) -> &T {
&self.inner
}
}
enum Option<T> {
None,
Some(T)
}
fn foo() {
let s<|> = Option::None;
let f: Box<dyn FnOnce(&Option<i32>)> = box (|ps| {});
f(&s)
}
"#,
&["Option<i32>"],
);
}
}