mirror of
https://github.com/rust-lang/rust.git
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add directory for regression tests
This commit is contained in:
Aleksey Kladov
parent
5ad502dbdb
commit
464fb9f0d4
@ -4,6 +4,7 @@
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mod tt_conversion;
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mod matching;
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mod meta_syntax;
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mod regression;
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use expect_test::expect;
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@ -1427,170 +1428,3 @@ macro_rules! foo {
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"#]],
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);
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}
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// The following tests are based on real world situations
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#[test]
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fn test_vec() {
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check(
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r#"
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macro_rules! vec {
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($($item:expr),*) => {{
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let mut v = Vec::new();
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$( v.push($item); )*
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v
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}};
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}
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fn main() {
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vec!();
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vec![1u32,2];
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}
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"#,
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expect![[r#"
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macro_rules! vec {
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($($item:expr),*) => {{
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let mut v = Vec::new();
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$( v.push($item); )*
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v
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}};
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}
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fn main() {
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{
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let mut v = Vec::new();
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v
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};
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{
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let mut v = Vec::new();
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v.push(1u32);
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v.push(2);
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v
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};
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}
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"#]],
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);
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}
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#[test]
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fn test_winapi_struct() {
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// from https://github.com/retep998/winapi-rs/blob/a7ef2bca086aae76cf6c4ce4c2552988ed9798ad/src/macros.rs#L366
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check(
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r#"
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macro_rules! STRUCT {
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($(#[$attrs:meta])* struct $name:ident {
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$($field:ident: $ftype:ty,)+
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}) => (
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#[repr(C)] #[derive(Copy)] $(#[$attrs])*
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pub struct $name {
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$(pub $field: $ftype,)+
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}
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impl Clone for $name {
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#[inline]
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fn clone(&self) -> $name { *self }
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}
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#[cfg(feature = "impl-default")]
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impl Default for $name {
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#[inline]
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fn default() -> $name { unsafe { $crate::_core::mem::zeroed() } }
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}
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);
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}
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// from https://github.com/retep998/winapi-rs/blob/a7ef2bca086aae76cf6c4ce4c2552988ed9798ad/src/shared/d3d9caps.rs
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STRUCT!{struct D3DVSHADERCAPS2_0 {Caps: u8,}}
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STRUCT!{#[cfg_attr(target_arch = "x86", repr(packed))] struct D3DCONTENTPROTECTIONCAPS {Caps : u8 ,}}
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"#,
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expect![[r##"
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macro_rules! STRUCT {
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($(#[$attrs:meta])* struct $name:ident {
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$($field:ident: $ftype:ty,)+
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}) => (
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#[repr(C)] #[derive(Copy)] $(#[$attrs])*
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pub struct $name {
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$(pub $field: $ftype,)+
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}
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impl Clone for $name {
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#[inline]
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fn clone(&self) -> $name { *self }
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}
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#[cfg(feature = "impl-default")]
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impl Default for $name {
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#[inline]
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fn default() -> $name { unsafe { $crate::_core::mem::zeroed() } }
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}
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);
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}
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#[repr(C)]
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#[derive(Copy)] pub struct D3DVSHADERCAPS2_0 {
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pub Caps: u8,
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}
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impl Clone for D3DVSHADERCAPS2_0 {
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#[inline] fn clone(&self ) -> D3DVSHADERCAPS2_0 {
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*self
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}
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}
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#[cfg(feature = "impl-default")] impl Default for D3DVSHADERCAPS2_0 {
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#[inline] fn default() -> D3DVSHADERCAPS2_0 {
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unsafe {
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$crate::_core::mem::zeroed()
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}
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}
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}
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#[repr(C)]
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#[derive(Copy)]
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#[cfg_attr(target_arch = "x86", repr(packed))] pub struct D3DCONTENTPROTECTIONCAPS {
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pub Caps: u8,
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}
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impl Clone for D3DCONTENTPROTECTIONCAPS {
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#[inline] fn clone(&self ) -> D3DCONTENTPROTECTIONCAPS {
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*self
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}
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}
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#[cfg(feature = "impl-default")] impl Default for D3DCONTENTPROTECTIONCAPS {
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#[inline] fn default() -> D3DCONTENTPROTECTIONCAPS {
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unsafe {
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$crate::_core::mem::zeroed()
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}
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}
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}
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"##]],
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);
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}
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#[test]
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fn test_int_base() {
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check(
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r#"
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macro_rules! int_base {
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($Trait:ident for $T:ident as $U:ident -> $Radix:ident) => {
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#[stable(feature = "rust1", since = "1.0.0")]
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impl fmt::$Trait for $T {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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$Radix.fmt_int(*self as $U, f)
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}
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}
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}
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}
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int_base!{Binary for isize as usize -> Binary}
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"#,
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expect![[r##"
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macro_rules! int_base {
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($Trait:ident for $T:ident as $U:ident -> $Radix:ident) => {
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#[stable(feature = "rust1", since = "1.0.0")]
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impl fmt::$Trait for $T {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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$Radix.fmt_int(*self as $U, f)
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}
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}
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}
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}
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#[stable(feature = "rust1", since = "1.0.0")] impl fmt::Binary for isize {
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fn fmt(&self , f: &mut fmt::Formatter< '_>) -> fmt::Result {
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Binary.fmt_int(*self as usize, f)
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}
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}
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"##]],
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);
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}
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175
crates/hir_def/src/macro_expansion_tests/mbe/regression.rs
Normal file
175
crates/hir_def/src/macro_expansion_tests/mbe/regression.rs
Normal file
@ -0,0 +1,175 @@
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//! Real world regressions and issues, not particularly minimized.
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//!
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//! While it's OK to just dump large macros here, it's preferable to come up
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//! with a minimal example for the program and put a specific test to the parent
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//! directory.
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use expect_test::expect;
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use crate::macro_expansion_tests::check;
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#[test]
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fn test_vec() {
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check(
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r#"
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macro_rules! vec {
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($($item:expr),*) => {{
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let mut v = Vec::new();
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$( v.push($item); )*
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v
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}};
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}
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fn main() {
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vec!();
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vec![1u32,2];
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}
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"#,
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expect![[r#"
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macro_rules! vec {
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($($item:expr),*) => {{
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let mut v = Vec::new();
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$( v.push($item); )*
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v
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}};
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}
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fn main() {
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{
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let mut v = Vec::new();
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v
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};
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{
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let mut v = Vec::new();
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v.push(1u32);
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v.push(2);
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v
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};
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}
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"#]],
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);
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}
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#[test]
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fn test_winapi_struct() {
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// from https://github.com/retep998/winapi-rs/blob/a7ef2bca086aae76cf6c4ce4c2552988ed9798ad/src/macros.rs#L366
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check(
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r#"
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macro_rules! STRUCT {
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($(#[$attrs:meta])* struct $name:ident {
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$($field:ident: $ftype:ty,)+
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}) => (
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#[repr(C)] #[derive(Copy)] $(#[$attrs])*
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pub struct $name {
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$(pub $field: $ftype,)+
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}
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impl Clone for $name {
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#[inline]
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fn clone(&self) -> $name { *self }
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}
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#[cfg(feature = "impl-default")]
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impl Default for $name {
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#[inline]
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fn default() -> $name { unsafe { $crate::_core::mem::zeroed() } }
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}
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);
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}
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// from https://github.com/retep998/winapi-rs/blob/a7ef2bca086aae76cf6c4ce4c2552988ed9798ad/src/shared/d3d9caps.rs
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STRUCT!{struct D3DVSHADERCAPS2_0 {Caps: u8,}}
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STRUCT!{#[cfg_attr(target_arch = "x86", repr(packed))] struct D3DCONTENTPROTECTIONCAPS {Caps : u8 ,}}
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"#,
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expect![[r##"
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macro_rules! STRUCT {
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($(#[$attrs:meta])* struct $name:ident {
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$($field:ident: $ftype:ty,)+
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}) => (
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#[repr(C)] #[derive(Copy)] $(#[$attrs])*
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pub struct $name {
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$(pub $field: $ftype,)+
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}
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impl Clone for $name {
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#[inline]
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fn clone(&self) -> $name { *self }
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}
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#[cfg(feature = "impl-default")]
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impl Default for $name {
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#[inline]
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fn default() -> $name { unsafe { $crate::_core::mem::zeroed() } }
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}
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);
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}
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#[repr(C)]
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#[derive(Copy)] pub struct D3DVSHADERCAPS2_0 {
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pub Caps: u8,
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}
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impl Clone for D3DVSHADERCAPS2_0 {
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#[inline] fn clone(&self ) -> D3DVSHADERCAPS2_0 {
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*self
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}
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}
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#[cfg(feature = "impl-default")] impl Default for D3DVSHADERCAPS2_0 {
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#[inline] fn default() -> D3DVSHADERCAPS2_0 {
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unsafe {
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$crate::_core::mem::zeroed()
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}
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}
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}
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#[repr(C)]
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#[derive(Copy)]
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#[cfg_attr(target_arch = "x86", repr(packed))] pub struct D3DCONTENTPROTECTIONCAPS {
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pub Caps: u8,
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}
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impl Clone for D3DCONTENTPROTECTIONCAPS {
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#[inline] fn clone(&self ) -> D3DCONTENTPROTECTIONCAPS {
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*self
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}
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}
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#[cfg(feature = "impl-default")] impl Default for D3DCONTENTPROTECTIONCAPS {
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#[inline] fn default() -> D3DCONTENTPROTECTIONCAPS {
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unsafe {
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$crate::_core::mem::zeroed()
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}
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}
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}
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"##]],
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);
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}
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#[test]
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fn test_int_base() {
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check(
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r#"
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macro_rules! int_base {
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($Trait:ident for $T:ident as $U:ident -> $Radix:ident) => {
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#[stable(feature = "rust1", since = "1.0.0")]
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impl fmt::$Trait for $T {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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$Radix.fmt_int(*self as $U, f)
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}
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}
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}
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}
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int_base!{Binary for isize as usize -> Binary}
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"#,
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expect![[r##"
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macro_rules! int_base {
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($Trait:ident for $T:ident as $U:ident -> $Radix:ident) => {
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#[stable(feature = "rust1", since = "1.0.0")]
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impl fmt::$Trait for $T {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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$Radix.fmt_int(*self as $U, f)
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}
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}
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}
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}
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#[stable(feature = "rust1", since = "1.0.0")] impl fmt::Binary for isize {
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fn fmt(&self , f: &mut fmt::Formatter< '_>) -> fmt::Result {
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Binary.fmt_int(*self as usize, f)
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}
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}
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"##]],
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);
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}
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