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|
//! Completions tests for pattern position.
use expect_test::{expect, Expect};
use crate::tests::completion_list;
fn check(ra_fixture: &str, expect: Expect) {
let actual = completion_list(ra_fixture);
expect.assert_eq(&actual)
}
fn check_with(ra_fixture: &str, expect: Expect) {
let base = r#"
enum Enum { TupleV(u32), RecordV { field: u32 }, UnitV }
use self::Enum::TupleV;
mod module {}
static STATIC: Unit = Unit;
const CONST: Unit = Unit;
struct Record { field: u32 }
struct Tuple(u32);
struct Unit
macro_rules! makro {}
"#;
let actual = completion_list(&format!("{}\n{}", base, ra_fixture));
expect.assert_eq(&actual)
}
#[test]
fn ident_rebind_pat() {
check(
r#"
fn quux() {
let en$0 @ x
}
"#,
expect![[r#"
kw mut
"#]],
);
}
#[test]
fn ident_ref_pat() {
check(
r#"
fn quux() {
let ref en$0
}
"#,
expect![[r#"
kw mut
"#]],
);
check(
r#"
fn quux() {
let ref en$0 @ x
}
"#,
expect![[r#"
kw mut
"#]],
);
}
#[test]
fn ident_ref_mut_pat() {
// FIXME mut is already here, don't complete it again
check(
r#"
fn quux() {
let ref mut en$0
}
"#,
expect![[r#"
kw mut
"#]],
);
check(
r#"
fn quux() {
let ref mut en$0 @ x
}
"#,
expect![[r#"
kw mut
"#]],
);
}
#[test]
fn ref_pat() {
check(
r#"
fn quux() {
let &en$0
}
"#,
expect![[r#"
kw mut
"#]],
);
// FIXME mut is already here, don't complete it again
check(
r#"
fn quux() {
let &mut en$0
}
"#,
expect![[r#"
kw mut
"#]],
);
}
#[test]
fn refutable() {
check_with(
r#"
fn foo() {
if let a$0
}
"#,
expect![[r#"
kw mut
bn Record Record { field$1 }$0
st Record
en Enum
bn Tuple Tuple($1)$0
st Tuple
md module
bn TupleV TupleV($1)$0
ev TupleV
st Unit
ct CONST
ma makro!(…) macro_rules! makro
"#]],
);
}
#[test]
fn irrefutable() {
check_with(
r#"
fn foo() {
let a$0
}
"#,
expect![[r#"
kw mut
bn Record Record { field$1 }$0
st Record
bn Tuple Tuple($1)$0
st Tuple
st Unit
ma makro!(…) macro_rules! makro
"#]],
);
}
#[test]
fn in_param() {
check_with(
r#"
fn foo(a$0) {
}
"#,
expect![[r#"
kw mut
bn Record Record { field$1 }: Record$0
st Record
bn Tuple Tuple($1): Tuple$0
st Tuple
st Unit
ma makro!(…) macro_rules! makro
"#]],
);
}
#[test]
fn only_fn_like_macros() {
check(
r#"
macro_rules! m { ($e:expr) => { $e } }
#[rustc_builtin_macro]
macro Clone {}
fn foo() {
let x$0
}
"#,
expect![[r#"
kw mut
ma m!(…) macro_rules! m
"#]],
);
}
#[test]
fn in_simple_macro_call() {
check(
r#"
macro_rules! m { ($e:expr) => { $e } }
enum E { X }
fn foo() {
m!(match E::X { a$0 })
}
"#,
expect![[r#"
kw mut
ev E::X ()
en E
ma m!(…) macro_rules! m
"#]],
);
}
#[test]
fn omits_private_fields_pat() {
check(
r#"
mod foo {
pub struct Record { pub field: i32, _field: i32 }
pub struct Tuple(pub u32, u32);
pub struct Invisible(u32, u32);
}
use foo::*;
fn outer() {
if let a$0
}
"#,
expect![[r#"
kw mut
bn Record Record { field$1, .. }$0
st Record
bn Tuple Tuple($1, ..)$0
st Tuple
st Invisible
md foo
"#]],
)
}
// #[test]
// fn only_shows_ident_completion() {
// check_edit(
// "Foo",
// r#"
// struct Foo(i32);
// fn main() {
// match Foo(92) {
// a$0(92) => (),
// }
// }
// "#,
// r#"
// struct Foo(i32);
// fn main() {
// match Foo(92) {
// Foo(92) => (),
// }
// }
// "#,
// );
// }
#[test]
fn completes_self_pats() {
check(
r#"
struct Foo(i32);
impl Foo {
fn foo() {
match Foo(0) {
a$0
}
}
}
"#,
expect![[r#"
kw mut
bn Self Self($1)$0
sp Self
bn Foo Foo($1)$0
st Foo
"#]],
)
}
#[test]
fn completes_qualified_variant() {
check(
r#"
enum Foo {
Bar { baz: i32 }
}
impl Foo {
fn foo() {
match {Foo::Bar { baz: 0 }} {
B$0
}
}
}
"#,
expect![[r#"
kw mut
bn Self::Bar Self::Bar { baz$1 }$0
ev Self::Bar { baz: i32 }
bn Foo::Bar Foo::Bar { baz$1 }$0
ev Foo::Bar { baz: i32 }
sp Self
en Foo
"#]],
)
}
#[test]
fn completes_in_record_field_pat() {
check(
r#"
struct Foo { bar: Bar }
struct Bar(u32);
fn outer(Foo { bar: $0 }: Foo) {}
"#,
expect![[r#"
kw mut
bn Foo Foo { bar$1 }$0
st Foo
bn Bar Bar($1)$0
st Bar
"#]],
)
}
#[test]
fn skips_in_record_field_pat_name() {
check(
r#"
struct Foo { bar: Bar }
struct Bar(u32);
fn outer(Foo { bar$0 }: Foo) {}
"#,
expect![[r#""#]],
)
}
|
