Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-def/src/body/tests.rs')
| -rw-r--r-- | crates/hir-def/src/body/tests.rs | 69 |
1 files changed, 68 insertions, 1 deletions
diff --git a/crates/hir-def/src/body/tests.rs b/crates/hir-def/src/body/tests.rs index 1658757d2b..048f0a13f0 100644 --- a/crates/hir-def/src/body/tests.rs +++ b/crates/hir-def/src/body/tests.rs @@ -2,6 +2,7 @@ mod block; use base_db::{fixture::WithFixture, SourceDatabase}; use expect_test::{expect, Expect}; +use hir_expand::db::ExpandDatabase; use crate::{test_db::TestDB, ModuleDefId}; @@ -143,7 +144,6 @@ mod m { #[test] fn desugar_builtin_format_args() { - // Regression test for a path resolution bug introduced with inner item handling. let (db, body, def) = lower( r#" //- minicore: fmt @@ -221,3 +221,70 @@ fn main() { }"#]] .assert_eq(&body.pretty_print(&db, def)) } + +#[test] +fn test_macro_hygiene() { + let (db, body, def) = lower( + r##" +//- minicore: fmt, from +//- /main.rs +mod error; + +use crate::error::error; + +fn main() { + // _ = forces body expansion instead of block def map expansion + _ = error!("Failed to resolve path `{}`", node.text()); +} +//- /error.rs +macro_rules! _error { + ($fmt:expr, $($arg:tt)+) => {$crate::error::intermediate!(format_args!($fmt, $($arg)+))} +} +pub(crate) use _error as error; +macro_rules! _intermediate { + ($arg:expr) => {$crate::error::SsrError::new($arg)} +} +pub(crate) use _intermediate as intermediate; + +pub struct SsrError(pub(crate) core::fmt::Arguments); + +impl SsrError { + pub(crate) fn new(message: impl Into<core::fmt::Arguments>) -> SsrError { + SsrError(message.into()) + } +} +"##, + ); + println!("{}", db.dump_syntax_contexts()); + + assert_eq!(db.body_with_source_map(def.into()).1.diagnostics(), &[]); + expect![[r#" + fn main() { + _ = $crate::error::SsrError::new( + builtin#lang(Arguments::new_v1_formatted)( + &[ + "\"Failed to resolve path `", "`\"", + ], + &[ + builtin#lang(Argument::new_display)( + &node.text(), + ), + ], + &[ + builtin#lang(Placeholder::new)( + 0usize, + ' ', + builtin#lang(Alignment::Unknown), + 0u32, + builtin#lang(Count::Implied), + builtin#lang(Count::Implied), + ), + ], + unsafe { + builtin#lang(UnsafeArg::new)() + }, + ), + ); + }"#]] + .assert_eq(&body.pretty_print(&db, def)) +} |