Unnamed repository; edit this file 'description' to name the repository.
move tests
| -rw-r--r-- | crates/hir_def/src/macro_expansion_tests.rs | 1 | ||||
| -rw-r--r-- | crates/hir_def/src/macro_expansion_tests/mbe/regression.rs | 202 | ||||
| -rw-r--r-- | crates/mbe/src/tests/expand.rs | 102 |
3 files changed, 203 insertions, 102 deletions
diff --git a/crates/hir_def/src/macro_expansion_tests.rs b/crates/hir_def/src/macro_expansion_tests.rs index f9527a4135..eb41a595ce 100644 --- a/crates/hir_def/src/macro_expansion_tests.rs +++ b/crates/hir_def/src/macro_expansion_tests.rs @@ -28,6 +28,7 @@ use crate::{ db::DefDatabase, nameres::ModuleSource, resolver::HasResolver, test_db::TestDB, AsMacroCall, }; +#[track_caller] fn check(ra_fixture: &str, mut expect: Expect) { let db = TestDB::with_files(ra_fixture); let krate = db.crate_graph().iter().next().unwrap(); diff --git a/crates/hir_def/src/macro_expansion_tests/mbe/regression.rs b/crates/hir_def/src/macro_expansion_tests/mbe/regression.rs index 0a2c733468..26fd807e65 100644 --- a/crates/hir_def/src/macro_expansion_tests/mbe/regression.rs +++ b/crates/hir_def/src/macro_expansion_tests/mbe/regression.rs @@ -173,3 +173,205 @@ macro_rules! int_base { "##]], ); } + +#[test] +fn test_generate_pattern_iterators() { + // From <https://github.com/rust-lang/rust/blob/316a391dcb7d66dc25f1f9a4ec9d368ef7615005/src/libcore/str/mod.rs>. + check( + r#" +macro_rules! generate_pattern_iterators { + { double ended; with $(#[$common_stability_attribute:meta])*, + $forward_iterator:ident, + $reverse_iterator:ident, $iterty:ty + } => { ok!(); } +} +generate_pattern_iterators ! ( double ended ; with # [ stable ( feature = "rust1" , since = "1.0.0" ) ] , Split , RSplit , & 'a str ); +"#, + expect![[r##" +macro_rules! generate_pattern_iterators { + { double ended; with $(#[$common_stability_attribute:meta])*, + $forward_iterator:ident, + $reverse_iterator:ident, $iterty:ty + } => { ok!(); } +} +ok!(); +"##]], + ); +} + +#[test] +fn test_impl_fn_for_zst() { + // From <https://github.com/rust-lang/rust/blob/5d20ff4d2718c820632b38c1e49d4de648a9810b/src/libcore/internal_macros.rs>. + check( + r#" +macro_rules! impl_fn_for_zst { + {$( $( #[$attr: meta] )* + struct $Name: ident impl$( <$( $lifetime : lifetime ),+> )? Fn = + |$( $arg: ident: $ArgTy: ty ),*| -> $ReturnTy: ty $body: block; + )+} => {$( + $( #[$attr] )* + struct $Name; + + impl $( <$( $lifetime ),+> )? Fn<($( $ArgTy, )*)> for $Name { + #[inline] + extern "rust-call" fn call(&self, ($( $arg, )*): ($( $ArgTy, )*)) -> $ReturnTy { + $body + } + } + + impl $( <$( $lifetime ),+> )? FnMut<($( $ArgTy, )*)> for $Name { + #[inline] + extern "rust-call" fn call_mut( + &mut self, + ($( $arg, )*): ($( $ArgTy, )*) + ) -> $ReturnTy { + Fn::call(&*self, ($( $arg, )*)) + } + } + + impl $( <$( $lifetime ),+> )? FnOnce<($( $ArgTy, )*)> for $Name { + type Output = $ReturnTy; + + #[inline] + extern "rust-call" fn call_once(self, ($( $arg, )*): ($( $ArgTy, )*)) -> $ReturnTy { + Fn::call(&self, ($( $arg, )*)) + } + } + )+} +} + +impl_fn_for_zst ! { + #[derive(Clone)] + struct CharEscapeDebugContinue impl Fn = |c: char| -> char::EscapeDebug { + c.escape_debug_ext(false) + }; + + #[derive(Clone)] + struct CharEscapeUnicode impl Fn = |c: char| -> char::EscapeUnicode { + c.escape_unicode() + }; + + #[derive(Clone)] + struct CharEscapeDefault impl Fn = |c: char| -> char::EscapeDefault { + c.escape_default() + }; +} + +"#, + expect![[r##" +macro_rules! impl_fn_for_zst { + {$( $( #[$attr: meta] )* + struct $Name: ident impl$( <$( $lifetime : lifetime ),+> )? Fn = + |$( $arg: ident: $ArgTy: ty ),*| -> $ReturnTy: ty $body: block; + )+} => {$( + $( #[$attr] )* + struct $Name; + + impl $( <$( $lifetime ),+> )? Fn<($( $ArgTy, )*)> for $Name { + #[inline] + extern "rust-call" fn call(&self, ($( $arg, )*): ($( $ArgTy, )*)) -> $ReturnTy { + $body + } + } + + impl $( <$( $lifetime ),+> )? FnMut<($( $ArgTy, )*)> for $Name { + #[inline] + extern "rust-call" fn call_mut( + &mut self, + ($( $arg, )*): ($( $ArgTy, )*) + ) -> $ReturnTy { + Fn::call(&*self, ($( $arg, )*)) + } + } + + impl $( <$( $lifetime ),+> )? FnOnce<($( $ArgTy, )*)> for $Name { + type Output = $ReturnTy; + + #[inline] + extern "rust-call" fn call_once(self, ($( $arg, )*): ($( $ArgTy, )*)) -> $ReturnTy { + Fn::call(&self, ($( $arg, )*)) + } + } + )+} +} + +#[derive(Clone)] struct CharEscapeDebugContinue; +impl Fn<(char, )> for CharEscapeDebugContinue { + #[inline] extern "rust-call"fn call(&self , (c, ): (char, )) -> char::EscapeDebug { { + c.escape_debug_ext(false ) + } + } +} +impl FnMut<(char, )> for CharEscapeDebugContinue { + #[inline] extern "rust-call"fn call_mut(&mut self , (c, ): (char, )) -> char::EscapeDebug { + Fn::call(&*self , (c, )) + } +} +impl FnOnce<(char, )> for CharEscapeDebugContinue { + type Output = char::EscapeDebug; + #[inline] extern "rust-call"fn call_once(self , (c, ): (char, )) -> char::EscapeDebug { + Fn::call(&self , (c, )) + } +} +#[derive(Clone)] struct CharEscapeUnicode; +impl Fn<(char, )> for CharEscapeUnicode { + #[inline] extern "rust-call"fn call(&self , (c, ): (char, )) -> char::EscapeUnicode { { + c.escape_unicode() + } + } +} +impl FnMut<(char, )> for CharEscapeUnicode { + #[inline] extern "rust-call"fn call_mut(&mut self , (c, ): (char, )) -> char::EscapeUnicode { + Fn::call(&*self , (c, )) + } +} +impl FnOnce<(char, )> for CharEscapeUnicode { + type Output = char::EscapeUnicode; + #[inline] extern "rust-call"fn call_once(self , (c, ): (char, )) -> char::EscapeUnicode { + Fn::call(&self , (c, )) + } +} +#[derive(Clone)] struct CharEscapeDefault; +impl Fn<(char, )> for CharEscapeDefault { + #[inline] extern "rust-call"fn call(&self , (c, ): (char, )) -> char::EscapeDefault { { + c.escape_default() + } + } +} +impl FnMut<(char, )> for CharEscapeDefault { + #[inline] extern "rust-call"fn call_mut(&mut self , (c, ): (char, )) -> char::EscapeDefault { + Fn::call(&*self , (c, )) + } +} +impl FnOnce<(char, )> for CharEscapeDefault { + type Output = char::EscapeDefault; + #[inline] extern "rust-call"fn call_once(self , (c, ): (char, )) -> char::EscapeDefault { + Fn::call(&self , (c, )) + } +} + +"##]], + ); +} + +#[test] +fn test_impl_nonzero_fmt() { + // From <https://github.com/rust-lang/rust/blob/316a391dcb7d66dc25f1f9a4ec9d368ef7615005/src/libcore/num/mod.rs#L12>. + check( + r#" +macro_rules! impl_nonzero_fmt { + ( #[$stability: meta] ( $( $Trait: ident ),+ ) for $Ty: ident ) => { ok!(); } +} +impl_nonzero_fmt! { + #[stable(feature= "nonzero",since="1.28.0")] + (Debug, Display, Binary, Octal, LowerHex, UpperHex) for NonZeroU8 +} +"#, + expect![[r##" +macro_rules! impl_nonzero_fmt { + ( #[$stability: meta] ( $( $Trait: ident ),+ ) for $Ty: ident ) => { ok!(); } +} +ok!(); +"##]], + ); +} diff --git a/crates/mbe/src/tests/expand.rs b/crates/mbe/src/tests/expand.rs index 8c2e656a4c..6152e01bc8 100644 --- a/crates/mbe/src/tests/expand.rs +++ b/crates/mbe/src/tests/expand.rs @@ -99,108 +99,6 @@ fn test_attr_to_token_tree() { } #[test] -fn test_generate_pattern_iterators() { - // from https://github.com/rust-lang/rust/blob/316a391dcb7d66dc25f1f9a4ec9d368ef7615005/src/libcore/str/mod.rs - parse_macro( - r#" -macro_rules! generate_pattern_iterators { - { double ended; with $(#[$common_stability_attribute:meta])*, - $forward_iterator:ident, - $reverse_iterator:ident, $iterty:ty - } => { - fn foo(){} - } -} -"#, - ).assert_expand_items( - r#"generate_pattern_iterators ! ( double ended ; with # [ stable ( feature = "rust1" , since = "1.0.0" ) ] , Split , RSplit , & 'a str );"#, - "fn foo () {}", - ); -} - -#[test] -fn test_impl_fn_for_zst() { - // from https://github.com/rust-lang/rust/blob/5d20ff4d2718c820632b38c1e49d4de648a9810b/src/libcore/internal_macros.rs - parse_macro( - r#" -macro_rules! impl_fn_for_zst { - { $( $( #[$attr: meta] )* - struct $Name: ident impl$( <$( $lifetime : lifetime ),+> )? Fn = - |$( $arg: ident: $ArgTy: ty ),*| -> $ReturnTy: ty -$body: block; )+ - } => { - $( - $( #[$attr] )* - struct $Name; - - impl $( <$( $lifetime ),+> )? Fn<($( $ArgTy, )*)> for $Name { - #[inline] - extern "rust-call" fn call(&self, ($( $arg, )*): ($( $ArgTy, )*)) -> $ReturnTy { - $body - } - } - - impl $( <$( $lifetime ),+> )? FnMut<($( $ArgTy, )*)> for $Name { - #[inline] - extern "rust-call" fn call_mut( - &mut self, - ($( $arg, )*): ($( $ArgTy, )*) - ) -> $ReturnTy { - Fn::call(&*self, ($( $arg, )*)) - } - } - - impl $( <$( $lifetime ),+> )? FnOnce<($( $ArgTy, )*)> for $Name { - type Output = $ReturnTy; - - #[inline] - extern "rust-call" fn call_once(self, ($( $arg, )*): ($( $ArgTy, )*)) -> $ReturnTy { - Fn::call(&self, ($( $arg, )*)) - } - } - )+ -} - } -"#, - ).assert_expand_items(r#" -impl_fn_for_zst ! { - # [ derive ( Clone ) ] - struct CharEscapeDebugContinue impl Fn = | c : char | -> char :: EscapeDebug { - c . escape_debug_ext ( false ) - } ; - - # [ derive ( Clone ) ] - struct CharEscapeUnicode impl Fn = | c : char | -> char :: EscapeUnicode { - c . escape_unicode ( ) - } ; - # [ derive ( Clone ) ] - struct CharEscapeDefault impl Fn = | c : char | -> char :: EscapeDefault { - c . escape_default ( ) - } ; - } -"#, - "# [derive (Clone)] struct CharEscapeDebugContinue ; impl Fn < (char ,) > for CharEscapeDebugContinue {# [inline] extern \"rust-call\" fn call (& self , (c ,) : (char ,)) -> char :: EscapeDebug {{c . escape_debug_ext (false)}}} impl FnMut < (char ,) > for CharEscapeDebugContinue {# [inline] extern \"rust-call\" fn call_mut (& mut self , (c ,) : (char ,)) -> char :: EscapeDebug {Fn :: call (&* self , (c ,))}} impl FnOnce < (char ,) > for CharEscapeDebugContinue {type Output = char :: EscapeDebug ; # [inline] extern \"rust-call\" fn call_once (self , (c ,) : (char ,)) -> char :: EscapeDebug {Fn :: call (& self , (c ,))}} # [derive (Clone)] struct CharEscapeUnicode ; impl Fn < (char ,) > for CharEscapeUnicode {# [inline] extern \"rust-call\" fn call (& self , (c ,) : (char ,)) -> char :: EscapeUnicode {{c . escape_unicode ()}}} impl FnMut < (char ,) > for CharEscapeUnicode {# [inline] extern \"rust-call\" fn call_mut (& mut self , (c ,) : (char ,)) -> char :: EscapeUnicode {Fn :: call (&* self , (c ,))}} impl FnOnce < (char ,) > for CharEscapeUnicode {type Output = char :: EscapeUnicode ; # [inline] extern \"rust-call\" fn call_once (self , (c ,) : (char ,)) -> char :: EscapeUnicode {Fn :: call (& self , (c ,))}} # [derive (Clone)] struct CharEscapeDefault ; impl Fn < (char ,) > for CharEscapeDefault {# [inline] extern \"rust-call\" fn call (& self , (c ,) : (char ,)) -> char :: EscapeDefault {{c . escape_default ()}}} impl FnMut < (char ,) > for CharEscapeDefault {# [inline] extern \"rust-call\" fn call_mut (& mut self , (c ,) : (char ,)) -> char :: EscapeDefault {Fn :: call (&* self , (c ,))}} impl FnOnce < (char ,) > for CharEscapeDefault {type Output = char :: EscapeDefault ; # [inline] extern \"rust-call\" fn call_once (self , (c ,) : (char ,)) -> char :: EscapeDefault {Fn :: call (& self , (c ,))}}" - ); -} - -#[test] -fn test_impl_nonzero_fmt() { - // from https://github.com/rust-lang/rust/blob/316a391dcb7d66dc25f1f9a4ec9d368ef7615005/src/libcore/num/mod.rs#L12 - parse_macro( - r#" - macro_rules! impl_nonzero_fmt { - ( #[$stability: meta] ( $( $Trait: ident ),+ ) for $Ty: ident ) => { - fn foo () {} - } - } -"#, - ).assert_expand_items( - r#"impl_nonzero_fmt! { # [stable(feature= "nonzero",since="1.28.0")] (Debug,Display,Binary,Octal,LowerHex,UpperHex) for NonZeroU8}"#, - "fn foo () {}", - ); -} - -#[test] fn test_cfg_if_items() { // from https://github.com/rust-lang/rust/blob/33fe1131cadba69d317156847be9a402b89f11bb/src/libstd/macros.rs#L986 parse_macro( |