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|
use std::sync::Arc;
use base_db::SourceDatabaseExt;
use super::*;
fn check_def_map_is_not_recomputed(ra_fixture_initial: &str, ra_fixture_change: &str) {
let (mut db, pos) = TestDB::with_position(ra_fixture_initial);
let krate = db.test_crate();
{
let events = db.log_executed(|| {
db.crate_def_map(krate);
});
assert!(format!("{:?}", events).contains("crate_def_map"), "{:#?}", events)
}
db.set_file_text(pos.file_id, Arc::new(ra_fixture_change.to_string()));
{
let events = db.log_executed(|| {
db.crate_def_map(krate);
});
assert!(!format!("{:?}", events).contains("crate_def_map"), "{:#?}", events)
}
}
#[test]
fn typing_inside_a_function_should_not_invalidate_def_map() {
check_def_map_is_not_recomputed(
r"
//- /lib.rs
mod foo;$0
use crate::foo::bar::Baz;
enum E { A, B }
use E::*;
fn foo() -> i32 {
1 + 1
}
#[cfg(never)]
fn no() {}
//- /foo/mod.rs
pub mod bar;
//- /foo/bar.rs
pub struct Baz;
",
r"
mod foo;
use crate::foo::bar::Baz;
enum E { A, B }
use E::*;
fn foo() -> i32 { 92 }
#[cfg(never)]
fn no() {}
",
);
}
#[test]
fn typing_inside_a_macro_should_not_invalidate_def_map() {
let (mut db, pos) = TestDB::with_position(
r"
//- /lib.rs
macro_rules! m {
($ident:ident) => {
fn f() {
$ident + $ident;
};
}
}
mod foo;
//- /foo/mod.rs
pub mod bar;
//- /foo/bar.rs
$0
m!(X);
",
);
let krate = db.test_crate();
{
let events = db.log_executed(|| {
let crate_def_map = db.crate_def_map(krate);
let (_, module_data) = crate_def_map.modules.iter().last().unwrap();
assert_eq!(module_data.scope.resolutions().count(), 1);
});
assert!(format!("{:?}", events).contains("crate_def_map"), "{:#?}", events)
}
db.set_file_text(pos.file_id, Arc::new("m!(Y);".to_string()));
{
let events = db.log_executed(|| {
let crate_def_map = db.crate_def_map(krate);
let (_, module_data) = crate_def_map.modules.iter().last().unwrap();
assert_eq!(module_data.scope.resolutions().count(), 1);
});
assert!(!format!("{:?}", events).contains("crate_def_map"), "{:#?}", events)
}
}
|
