use std::sync::Arc; use ra_db::SourceDatabaseExt; use super::*; fn check_def_map_is_not_recomputed(initial: &str, file_change: &str) { let (mut db, pos) = TestDB::with_position(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(file_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( " //- /lib.rs mod foo;<|> use crate::foo::bar::Baz; fn foo() -> i32 { 1 + 1 } //- /foo/mod.rs pub mod bar; //- /foo/bar.rs pub struct Baz; ", " mod foo; use crate::foo::bar::Baz; fn foo() -> i32 { 92 } ", ); } #[test] fn adding_inner_items_should_not_invalidate_def_map() { check_def_map_is_not_recomputed( " //- /lib.rs struct S { a: i32} enum E { A } trait T { fn a() {} } mod foo;<|> impl S { fn a() {} } use crate::foo::bar::Baz; //- /foo/mod.rs pub mod bar; //- /foo/bar.rs pub struct Baz; ", " struct S { a: i32, b: () } enum E { A, B } trait T { fn a() {} fn b() {} } mod foo;<|> impl S { fn a() {} fn b() {} } use crate::foo::bar::Baz; ", ); } #[test] fn typing_inside_a_macro_should_not_invalidate_def_map() { let (mut db, pos) = TestDB::with_position( " //- /lib.rs macro_rules! m { ($ident:ident) => { fn f() { $ident + $ident; }; } } mod foo; //- /foo/mod.rs pub mod bar; //- /foo/bar.rs <|> 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) } }