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4 files changed, 30 insertions, 18 deletions
diff --git a/crates/hir_def/src/macro_expansion_tests/mbe.rs b/crates/hir_def/src/macro_expansion_tests/mbe.rs index 50499840a3..cc6551f8aa 100644 --- a/crates/hir_def/src/macro_expansion_tests/mbe.rs +++ b/crates/hir_def/src/macro_expansion_tests/mbe.rs @@ -1,3 +1,6 @@ +//! Tests specific to declarative macros, aka macros by example. This covers +//! both stable `macro_rules!` macros as well as unstable `macro` macros. + mod tt_conversion; mod matching; mod meta_syntax; @@ -25,3 +28,21 @@ fn f() { let _ = /* error: could not convert tokens */; } "#]], ) } + +#[test] +fn wrong_nesting_level() { + check( + r#" +macro_rules! m { + ($($i:ident);*) => ($i) +} +m!{a} +"#, + expect![[r#" +macro_rules! m { + ($($i:ident);*) => ($i) +} +/* error: expected simple binding, found nested binding `i` */ +"#]], + ); +} diff --git a/crates/hir_def/src/macro_expansion_tests/mbe/matching.rs b/crates/hir_def/src/macro_expansion_tests/mbe/matching.rs index cfba58c55a..11317cfa9d 100644 --- a/crates/hir_def/src/macro_expansion_tests/mbe/matching.rs +++ b/crates/hir_def/src/macro_expansion_tests/mbe/matching.rs @@ -1,3 +1,5 @@ +//! Test that `$var:expr` captures function correctly. + use expect_test::expect; use crate::macro_expansion_tests::check; @@ -21,21 +23,3 @@ literal!() "#]], ) } - -#[test] -fn wrong_nesting_level() { - check( - r#" -macro_rules! m { - ($($i:ident);*) => ($i) -} -m!{a} -"#, - expect![[r#" -macro_rules! m { - ($($i:ident);*) => ($i) -} -/* error: expected simple binding, found nested binding `i` */ -"#]], - ); -} diff --git a/crates/hir_def/src/macro_expansion_tests/mbe/meta_syntax.rs b/crates/hir_def/src/macro_expansion_tests/mbe/meta_syntax.rs index 1c4bb9d7b8..4249c2507e 100644 --- a/crates/hir_def/src/macro_expansion_tests/mbe/meta_syntax.rs +++ b/crates/hir_def/src/macro_expansion_tests/mbe/meta_syntax.rs @@ -1,3 +1,5 @@ +//! Test for the syntax of macros themselves. + use expect_test::expect; use crate::macro_expansion_tests::check; diff --git a/crates/hir_def/src/macro_expansion_tests/mbe/tt_conversion.rs b/crates/hir_def/src/macro_expansion_tests/mbe/tt_conversion.rs index d445d7a2c6..a24fe9bee2 100644 --- a/crates/hir_def/src/macro_expansion_tests/mbe/tt_conversion.rs +++ b/crates/hir_def/src/macro_expansion_tests/mbe/tt_conversion.rs @@ -1,3 +1,8 @@ +//! Unlike rustc, rust-analyzer's syntax tree are not "made of" token trees. +//! Rather, token trees are an explicit bridge between the parser and +//! (procedural or declarative) macros. +//! +//! This module tests tt <-> syntax tree conversion specifically use expect_test::expect; use crate::macro_expansion_tests::check; |