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|
use base_db::fixture::WithFixture;
use crate::test_db::TestDB;
fn check_diagnostics(ra_fixture: &str) {
let db: TestDB = TestDB::with_files(ra_fixture);
db.check_diagnostics();
}
fn check_no_diagnostics(ra_fixture: &str) {
let db: TestDB = TestDB::with_files(ra_fixture);
db.check_no_diagnostics();
}
#[test]
fn inactive_item() {
// Additional tests in `cfg` crate. This only tests disabled cfgs.
check_diagnostics(
r#"
//- /lib.rs
#[cfg(no)] pub fn f() {}
//^^^^^^^^^^^^^^^^^^^^^^^^ UnconfiguredCode
#[cfg(no)] #[cfg(no2)] mod m;
//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ UnconfiguredCode
#[cfg(all(not(a), b))] enum E {}
//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ UnconfiguredCode
#[cfg(feature = "std")] use std;
//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ UnconfiguredCode
"#,
);
}
/// Tests that `cfg` attributes behind `cfg_attr` is handled properly.
#[test]
fn inactive_via_cfg_attr() {
cov_mark::check!(cfg_attr_active);
check_diagnostics(
r#"
//- /lib.rs
#[cfg_attr(not(never), cfg(no))] fn f() {}
//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ UnconfiguredCode
#[cfg_attr(not(never), cfg(not(no)))] fn f() {}
#[cfg_attr(never, cfg(no))] fn g() {}
#[cfg_attr(not(never), inline, cfg(no))] fn h() {}
//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ UnconfiguredCode
"#,
);
}
#[test]
fn builtin_macro_fails_expansion() {
check_diagnostics(
r#"
//- /lib.rs
#[rustc_builtin_macro]
macro_rules! include { () => {} }
include!("doesntexist");
//^^^^^^^^^^^^^^^^^^^^^^^^ failed to load file `doesntexist`
"#,
);
}
#[test]
fn include_macro_should_allow_empty_content() {
check_no_diagnostics(
r#"
//- /lib.rs
#[rustc_builtin_macro]
macro_rules! include { () => {} }
include!("bar.rs");
//- /bar.rs
// empty
"#,
);
}
#[test]
fn good_out_dir_diagnostic() {
check_diagnostics(
r#"
#[rustc_builtin_macro]
macro_rules! include { () => {} }
#[rustc_builtin_macro]
macro_rules! env { () => {} }
#[rustc_builtin_macro]
macro_rules! concat { () => {} }
include!(concat!(env!("OUT_DIR"), "/out.rs"));
//^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `OUT_DIR` not set, enable "run build scripts" to fix
"#,
);
}
#[test]
fn register_attr_and_tool() {
cov_mark::check!(register_attr);
cov_mark::check!(register_tool);
check_no_diagnostics(
r#"
#![register_tool(tool)]
#![register_attr(attr)]
#[tool::path]
#[attr]
struct S;
"#,
);
// NB: we don't currently emit diagnostics here
}
|
