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-rw-r--r--tests/ui/macros/assert-long-condition.rs9
-rw-r--r--tests/ui/macros/assert-long-condition.run.stderr4
-rw-r--r--tests/ui/macros/builtin-std-paths-fail.stderr8
-rw-r--r--tests/ui/macros/meta-item-absolute-path.stderr2
-rw-r--r--tests/ui/macros/stringify.rs1066
5 files changed, 530 insertions, 559 deletions
diff --git a/tests/ui/macros/assert-long-condition.rs b/tests/ui/macros/assert-long-condition.rs
new file mode 100644
index 000000000..1974ec9d6
--- /dev/null
+++ b/tests/ui/macros/assert-long-condition.rs
@@ -0,0 +1,9 @@
+// run-fail
+// check-run-results
+// exec-env:RUST_BACKTRACE=0
+// ignore-emscripten no processes
+// ignore-tidy-linelength
+
+fn main() {
+ assert!(1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 + 14 + 15 + 16 + 17 + 18 + 19 + 20 + 21 + 22 + 23 + 24 + 25 == 0);
+}
diff --git a/tests/ui/macros/assert-long-condition.run.stderr b/tests/ui/macros/assert-long-condition.run.stderr
new file mode 100644
index 000000000..16e56c927
--- /dev/null
+++ b/tests/ui/macros/assert-long-condition.run.stderr
@@ -0,0 +1,4 @@
+thread 'main' panicked at $DIR/assert-long-condition.rs:8:5:
+assertion failed: 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 + 14 + 15 + 16 + 17 + 18
+ + 19 + 20 + 21 + 22 + 23 + 24 + 25 == 0
+note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
diff --git a/tests/ui/macros/builtin-std-paths-fail.stderr b/tests/ui/macros/builtin-std-paths-fail.stderr
index 004a39043..331943843 100644
--- a/tests/ui/macros/builtin-std-paths-fail.stderr
+++ b/tests/ui/macros/builtin-std-paths-fail.stderr
@@ -15,12 +15,16 @@ error[E0433]: failed to resolve: could not find `RustcDecodable` in `core`
|
LL | core::RustcDecodable,
| ^^^^^^^^^^^^^^ could not find `RustcDecodable` in `core`
+ |
+ = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0433]: failed to resolve: could not find `RustcDecodable` in `core`
--> $DIR/builtin-std-paths-fail.rs:4:11
|
LL | core::RustcDecodable,
| ^^^^^^^^^^^^^^ could not find `RustcDecodable` in `core`
+ |
+ = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0433]: failed to resolve: could not find `bench` in `core`
--> $DIR/builtin-std-paths-fail.rs:7:9
@@ -63,12 +67,16 @@ error[E0433]: failed to resolve: could not find `RustcDecodable` in `std`
|
LL | std::RustcDecodable,
| ^^^^^^^^^^^^^^ could not find `RustcDecodable` in `std`
+ |
+ = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0433]: failed to resolve: could not find `RustcDecodable` in `std`
--> $DIR/builtin-std-paths-fail.rs:16:10
|
LL | std::RustcDecodable,
| ^^^^^^^^^^^^^^ could not find `RustcDecodable` in `std`
+ |
+ = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error[E0433]: failed to resolve: could not find `bench` in `std`
--> $DIR/builtin-std-paths-fail.rs:19:8
diff --git a/tests/ui/macros/meta-item-absolute-path.stderr b/tests/ui/macros/meta-item-absolute-path.stderr
index c53971e24..f0d763d7a 100644
--- a/tests/ui/macros/meta-item-absolute-path.stderr
+++ b/tests/ui/macros/meta-item-absolute-path.stderr
@@ -9,6 +9,8 @@ error[E0433]: failed to resolve: maybe a missing crate `Absolute`?
|
LL | #[derive(::Absolute)]
| ^^^^^^^^ maybe a missing crate `Absolute`?
+ |
+ = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
error: aborting due to 2 previous errors
diff --git a/tests/ui/macros/stringify.rs b/tests/ui/macros/stringify.rs
index 816f99baa..70ca00285 100644
--- a/tests/ui/macros/stringify.rs
+++ b/tests/ui/macros/stringify.rs
@@ -2,495 +2,443 @@
// edition:2021
// compile-flags: --test
+#![allow(incomplete_features)]
#![feature(async_closure)]
+#![feature(auto_traits)]
#![feature(box_patterns)]
#![feature(const_trait_impl)]
+#![feature(coroutines)]
#![feature(decl_macro)]
-#![feature(generators)]
+#![feature(explicit_tail_calls)]
#![feature(more_qualified_paths)]
#![feature(raw_ref_op)]
#![feature(trait_alias)]
#![feature(try_blocks)]
#![feature(type_ascription)]
+#![feature(yeet_expr)]
#![deny(unused_macros)]
-macro_rules! stringify_block {
- ($block:block) => {
- stringify!($block)
+// These macros force the use of AST pretty-printing by converting the input to
+// a particular fragment specifier.
+macro_rules! block { ($block:block) => { stringify!($block) }; }
+macro_rules! expr { ($expr:expr) => { stringify!($expr) }; }
+macro_rules! item { ($item:item) => { stringify!($item) }; }
+macro_rules! meta { ($meta:meta) => { stringify!($meta) }; }
+macro_rules! pat { ($pat:pat) => { stringify!($pat) }; }
+macro_rules! path { ($path:path) => { stringify!($path) }; }
+macro_rules! stmt { ($stmt:stmt) => { stringify!($stmt) }; }
+macro_rules! ty { ($ty:ty) => { stringify!($ty) }; }
+macro_rules! vis { ($vis:vis) => { stringify!($vis) }; }
+
+// Use this when AST pretty-printing and TokenStream pretty-printing give
+// the same result (which is preferable.)
+macro_rules! c1 {
+ ($frag:ident, [$($tt:tt)*], $s:literal) => {
+ assert_eq!($frag!($($tt)*), $s);
+ assert_eq!(stringify!($($tt)*), $s);
};
}
-macro_rules! stringify_expr {
- ($expr:expr) => {
- stringify!($expr)
- };
-}
-
-macro_rules! stringify_item {
- ($item:item) => {
- stringify!($item)
- };
-}
-
-macro_rules! stringify_meta {
- ($meta:meta) => {
- stringify!($meta)
- };
-}
-
-macro_rules! stringify_pat {
- ($pat:pat) => {
- stringify!($pat)
- };
-}
-
-macro_rules! stringify_path {
- ($path:path) => {
- stringify!($path)
- };
-}
-
-macro_rules! stringify_stmt {
- ($stmt:stmt) => {
- stringify!($stmt)
- };
-}
-
-macro_rules! stringify_ty {
- ($ty:ty) => {
- stringify!($ty)
- };
-}
-
-macro_rules! stringify_vis {
- ($vis:vis) => {
- stringify!($vis)
+// Use this when AST pretty-printing and TokenStream pretty-printing give
+// different results.
+//
+// `c1` and `c2` could be in a single macro, but having them separate makes it
+// easy to find the cases where the two pretty-printing approaches give
+// different results.
+macro_rules! c2 {
+ ($frag:ident, [$($tt:tt)*], $s1:literal, $s2:literal) => {
+ assert_ne!($s1, $s2, "should use `c1!` instead");
+ assert_eq!($frag!($($tt)*), $s1);
+ assert_eq!(stringify!($($tt)*), $s2);
};
}
#[test]
fn test_block() {
- assert_eq!(stringify_block!({}), "{}");
- assert_eq!(stringify_block!({ true }), "{ true }");
- assert_eq!(stringify_block!({ return }), "{ return }");
- assert_eq!(
- stringify_block!({
+ c1!(block, [ {} ], "{}");
+ c1!(block, [ { true } ], "{ true }");
+ c1!(block, [ { return } ], "{ return }");
+ c2!(block, [ {
return;
- }),
+ } ],
"{ return; }",
+ "{ return ; }"
);
- assert_eq!(
- stringify_block!({
+ c2!(block,
+ [ {
let _;
true
- }),
+ } ],
"{ let _; true }",
+ "{ let _ ; true }"
);
}
#[test]
fn test_expr() {
// ExprKind::Array
- assert_eq!(stringify_expr!([]), "[]");
- assert_eq!(stringify_expr!([true]), "[true]");
- assert_eq!(stringify_expr!([true,]), "[true]");
- assert_eq!(stringify_expr!([true, true]), "[true, true]");
+ c1!(expr, [ [] ], "[]");
+ c1!(expr, [ [true] ], "[true]");
+ c2!(expr, [ [true,] ], "[true]", "[true,]");
+ c1!(expr, [ [true, true] ], "[true, true]");
+
+ // ExprKind::ConstBlock
+ // FIXME: todo
// ExprKind::Call
- assert_eq!(stringify_expr!(f()), "f()");
- assert_eq!(stringify_expr!(f::<u8>()), "f::<u8>()");
- assert_eq!(stringify_expr!(f::<1>()), "f::<1>()");
- assert_eq!(stringify_expr!(f::<'a, u8, 1>()), "f::<'a, u8, 1>()");
- assert_eq!(stringify_expr!(f(true)), "f(true)");
- assert_eq!(stringify_expr!(f(true,)), "f(true)");
- assert_eq!(stringify_expr!(()()), "()()");
+ c1!(expr, [ f() ], "f()");
+ c2!(expr, [ f::<u8>() ], "f::<u8>()", "f :: < u8 > ()");
+ c2!(expr, [ f::<1>() ], "f::<1>()", "f :: < 1 > ()");
+ c2!(expr, [ f::<'a, u8, 1>() ], "f::<'a, u8, 1>()", "f :: < 'a, u8, 1 > ()");
+ c1!(expr, [ f(true) ], "f(true)");
+ c2!(expr, [ f(true,) ], "f(true)", "f(true,)");
+ c2!(expr, [ ()() ], "()()", "() ()");
// ExprKind::MethodCall
- assert_eq!(stringify_expr!(x.f()), "x.f()");
- assert_eq!(stringify_expr!(x.f::<u8>()), "x.f::<u8>()");
+ c1!(expr, [ x.f() ], "x.f()");
+ c2!(expr, [ x.f::<u8>() ], "x.f::<u8>()", "x.f :: < u8 > ()");
+ c2!(expr, [ x.collect::<Vec<_>>() ], "x.collect::<Vec<_>>()", "x.collect :: < Vec < _ >> ()");
// ExprKind::Tup
- assert_eq!(stringify_expr!(()), "()");
- assert_eq!(stringify_expr!((true,)), "(true,)");
- assert_eq!(stringify_expr!((true, false)), "(true, false)");
- assert_eq!(stringify_expr!((true, false,)), "(true, false)");
+ c1!(expr, [ () ], "()");
+ c1!(expr, [ (true,) ], "(true,)");
+ c1!(expr, [ (true, false) ], "(true, false)");
+ c2!(expr, [ (true, false,) ], "(true, false)", "(true, false,)");
// ExprKind::Binary
- assert_eq!(stringify_expr!(true || false), "true || false");
- assert_eq!(stringify_expr!(true || false && false), "true || false && false");
+ c1!(expr, [ true || false ], "true || false");
+ c1!(expr, [ true || false && false ], "true || false && false");
+ c1!(expr, [ a < 1 && 2 < b && c > 3 && 4 > d ], "a < 1 && 2 < b && c > 3 && 4 > d");
+ c2!(expr, [ a & b & !c ], "a & b & !c", "a & b &! c"); // FIXME
+ c2!(expr,
+ [ a + b * c - d + -1 * -2 - -3],
+ "a + b * c - d + -1 * -2 - -3",
+ "a + b * c - d + - 1 * - 2 - - 3"
+ );
+ c2!(expr, [ x = !y ], "x = !y", "x =! y"); // FIXME
// ExprKind::Unary
- assert_eq!(stringify_expr!(*expr), "*expr");
- assert_eq!(stringify_expr!(!expr), "!expr");
- assert_eq!(stringify_expr!(-expr), "-expr");
+ c2!(expr, [ *expr ], "*expr", "* expr");
+ c2!(expr, [ !expr ], "!expr", "! expr");
+ c2!(expr, [ -expr ], "-expr", "- expr");
// ExprKind::Lit
- assert_eq!(stringify_expr!('x'), "'x'");
- assert_eq!(stringify_expr!(1_000_i8), "1_000_i8");
- assert_eq!(stringify_expr!(1.00000000000000001), "1.00000000000000001");
+ c1!(expr, [ 'x' ], "'x'");
+ c1!(expr, [ 1_000_i8 ], "1_000_i8");
+ c1!(expr, [ 1.00000000000000001 ], "1.00000000000000001");
// ExprKind::Cast
- assert_eq!(stringify_expr!(expr as T), "expr as T");
- assert_eq!(stringify_expr!(expr as T<u8>), "expr as T<u8>");
+ c1!(expr, [ expr as T ], "expr as T");
+ c2!(expr, [ expr as T<u8> ], "expr as T<u8>", "expr as T < u8 >");
+
+ // ExprKind::Type: there is no syntax for type ascription.
- // ExprKind::Type
- // There is no syntax for type ascription.
+ // ExprKind::Let
+ c1!(expr, [ if let Some(a) = b { c } else { d } ], "if let Some(a) = b { c } else { d }");
// ExprKind::If
- assert_eq!(stringify_expr!(if true {}), "if true {}");
- assert_eq!(
- stringify_expr!(if true {
- } else {
- }),
- "if true {} else {}",
- );
- assert_eq!(
- stringify_expr!(if let true = true {
- } else {
- }),
- "if let true = true {} else {}",
- );
- assert_eq!(
- stringify_expr!(if true {
+ c1!(expr, [ if true {} ], "if true {}");
+ c2!(expr, [ if !true {} ], "if !true {}", "if! true {}"); // FIXME
+ c2!(expr,
+ [ if ::std::blah() { } else { } ],
+ "if ::std::blah() {} else {}",
+ "if :: std :: blah() {} else {}"
+ );
+ c1!(expr, [ if let true = true {} else {} ], "if let true = true {} else {}");
+ c1!(expr,
+ [ if true {
} else if false {
- }),
- "if true {} else if false {}",
+ } ],
+ "if true {} else if false {}"
);
- assert_eq!(
- stringify_expr!(if true {
+ c1!(expr,
+ [ if true {
} else if false {
} else {
- }),
- "if true {} else if false {} else {}",
+ } ],
+ "if true {} else if false {} else {}"
);
- assert_eq!(
- stringify_expr!(if true {
+ c2!(expr,
+ [ if true {
return;
} else if false {
0
} else {
0
- }),
+ } ],
"if true { return; } else if false { 0 } else { 0 }",
+ "if true { return ; } else if false { 0 } else { 0 }"
);
// ExprKind::While
- assert_eq!(stringify_expr!(while true {}), "while true {}");
- assert_eq!(stringify_expr!('a: while true {}), "'a: while true {}");
- assert_eq!(stringify_expr!(while let true = true {}), "while let true = true {}");
+ c1!(expr, [ while true {} ], "while true {}");
+ c2!(expr, [ 'a: while true {} ], "'a: while true {}", "'a : while true {}");
+ c1!(expr, [ while let true = true {} ], "while let true = true {}");
// ExprKind::ForLoop
- assert_eq!(stringify_expr!(for _ in x {}), "for _ in x {}");
- assert_eq!(stringify_expr!('a: for _ in x {}), "'a: for _ in x {}");
+ c1!(expr, [ for _ in x {} ], "for _ in x {}");
+ c2!(expr, [ 'a: for _ in x {} ], "'a: for _ in x {}", "'a : for _ in x {}");
// ExprKind::Loop
- assert_eq!(stringify_expr!(loop {}), "loop {}");
- assert_eq!(stringify_expr!('a: loop {}), "'a: loop {}");
+ c1!(expr, [ loop {} ], "loop {}");
+ c2!(expr, [ 'a: loop {} ], "'a: loop {}", "'a : loop {}");
// ExprKind::Match
- assert_eq!(stringify_expr!(match self {}), "match self {}");
- assert_eq!(
- stringify_expr!(match self {
+ c1!(expr, [ match self {} ], "match self {}");
+ c1!(expr,
+ [ match self {
Ok => 1,
- }),
- "match self { Ok => 1, }",
+ } ],
+ "match self { Ok => 1, }"
);
- assert_eq!(
- stringify_expr!(match self {
+ c1!(expr,
+ [ match self {
Ok => 1,
Err => 0,
- }),
- "match self { Ok => 1, Err => 0, }",
+ } ],
+ "match self { Ok => 1, Err => 0, }"
);
// ExprKind::Closure
- assert_eq!(stringify_expr!(|| {}), "|| {}");
- assert_eq!(stringify_expr!(|x| {}), "|x| {}");
- assert_eq!(stringify_expr!(|x: u8| {}), "|x: u8| {}");
- assert_eq!(stringify_expr!(|| ()), "|| ()");
- assert_eq!(stringify_expr!(move || self), "move || self");
- assert_eq!(stringify_expr!(async || self), "async || self");
- assert_eq!(stringify_expr!(async move || self), "async move || self");
- assert_eq!(stringify_expr!(static || self), "static || self");
- assert_eq!(stringify_expr!(static move || self), "static move || self");
- #[rustfmt::skip] // https://github.com/rust-lang/rustfmt/issues/5149
- assert_eq!(
- stringify_expr!(static async || self),
- "static async || self",
- );
- #[rustfmt::skip] // https://github.com/rust-lang/rustfmt/issues/5149
- assert_eq!(
- stringify_expr!(static async move || self),
- "static async move || self",
- );
- assert_eq!(stringify_expr!(|| -> u8 { self }), "|| -> u8 { self }");
- assert_eq!(stringify_expr!(1 + || {}), "1 + (|| {})"); // ??
+ c1!(expr, [ || {} ], "|| {}");
+ c2!(expr, [ |x| {} ], "|x| {}", "| x | {}");
+ c2!(expr, [ |x: u8| {} ], "|x: u8| {}", "| x : u8 | {}");
+ c1!(expr, [ || () ], "|| ()");
+ c1!(expr, [ move || self ], "move || self");
+ c1!(expr, [ async || self ], "async || self");
+ c1!(expr, [ async move || self ], "async move || self");
+ c1!(expr, [ static || self ], "static || self");
+ c1!(expr, [ static move || self ], "static move || self");
+ c1!(expr, [ static async || self ], "static async || self");
+ c1!(expr, [ static async move || self ], "static async move || self");
+ c1!(expr, [ || -> u8 { self } ], "|| -> u8 { self }");
+ c2!(expr, [ 1 + || {} ], "1 + (|| {})", "1 + || {}"); // AST??
// ExprKind::Block
- assert_eq!(stringify_expr!({}), "{}");
- assert_eq!(stringify_expr!(unsafe {}), "unsafe {}");
- assert_eq!(stringify_expr!('a: {}), "'a: {}");
- assert_eq!(
- stringify_expr!(
- #[attr]
- {}
- ),
- "#[attr] {}",
- );
- assert_eq!(
- stringify_expr!(
+ c1!(expr, [ {} ], "{}");
+ c1!(expr, [ unsafe {} ], "unsafe {}");
+ c2!(expr, [ 'a: {} ], "'a: {}", "'a : {}");
+ c1!(expr, [ #[attr] {} ], "#[attr] {}");
+ c2!(expr,
+ [
{
#![attr]
}
- ),
+ ],
"{\n\
\x20 #![attr]\n\
}",
+ "{ #! [attr] }"
);
// ExprKind::Async
- assert_eq!(stringify_expr!(async {}), "async {}");
- assert_eq!(stringify_expr!(async move {}), "async move {}");
+ c1!(expr, [ async {} ], "async {}");
+ c1!(expr, [ async move {} ], "async move {}");
// ExprKind::Await
- assert_eq!(stringify_expr!(expr.await), "expr.await");
+ c1!(expr, [ expr.await ], "expr.await");
// ExprKind::TryBlock
- assert_eq!(stringify_expr!(try {}), "try {}");
+ c1!(expr, [ try {} ], "try {}");
// ExprKind::Assign
- assert_eq!(stringify_expr!(expr = true), "expr = true");
+ c1!(expr, [ expr = true ], "expr = true");
// ExprKind::AssignOp
- assert_eq!(stringify_expr!(expr += true), "expr += true");
+ c1!(expr, [ expr += true ], "expr += true");
// ExprKind::Field
- assert_eq!(stringify_expr!(expr.field), "expr.field");
- assert_eq!(stringify_expr!(expr.0), "expr.0");
+ c1!(expr, [ expr.field ], "expr.field");
+ c1!(expr, [ expr.0 ], "expr.0");
// ExprKind::Index
- assert_eq!(stringify_expr!(expr[true]), "expr[true]");
+ c2!(expr, [ expr[true] ], "expr[true]", "expr [true]");
// ExprKind::Range
- assert_eq!(stringify_expr!(..), "..");
- assert_eq!(stringify_expr!(..hi), "..hi");
- assert_eq!(stringify_expr!(lo..), "lo..");
- assert_eq!(stringify_expr!(lo..hi), "lo..hi");
- assert_eq!(stringify_expr!(..=hi), "..=hi");
- assert_eq!(stringify_expr!(lo..=hi), "lo..=hi");
- assert_eq!(stringify_expr!(-2..=-1), "-2..=-1");
+ c1!(expr, [ .. ], "..");
+ c2!(expr, [ ..hi ], "..hi", ".. hi");
+ c2!(expr, [ lo.. ], "lo..", "lo ..");
+ c2!(expr, [ lo..hi ], "lo..hi", "lo .. hi");
+ c2!(expr, [ ..=hi ], "..=hi", "..= hi");
+ c2!(expr, [ lo..=hi ], "lo..=hi", "lo ..= hi");
+ c2!(expr, [ -2..=-1 ], "-2..=-1", "- 2 ..= - 1");
+
+ // ExprKind::Underscore
+ // FIXME: todo
// ExprKind::Path
- assert_eq!(stringify_expr!(thing), "thing");
- assert_eq!(stringify_expr!(m::thing), "m::thing");
- assert_eq!(stringify_expr!(self::thing), "self::thing");
- assert_eq!(stringify_expr!(crate::thing), "crate::thing");
- assert_eq!(stringify_expr!(Self::thing), "Self::thing");
- assert_eq!(stringify_expr!(<Self as T>::thing), "<Self as T>::thing");
- assert_eq!(stringify_expr!(Self::<'static>), "Self::<'static>");
+ c1!(expr, [ thing ], "thing");
+ c2!(expr, [ m::thing ], "m::thing", "m :: thing");
+ c2!(expr, [ self::thing ], "self::thing", "self :: thing");
+ c2!(expr, [ crate::thing ], "crate::thing", "crate :: thing");
+ c2!(expr, [ Self::thing ], "Self::thing", "Self :: thing");
+ c2!(expr, [ <Self as T>::thing ], "<Self as T>::thing", "< Self as T > :: thing");
+ c2!(expr, [ Self::<'static> ], "Self::<'static>", "Self :: < 'static >");
// ExprKind::AddrOf
- assert_eq!(stringify_expr!(&expr), "&expr");
- assert_eq!(stringify_expr!(&mut expr), "&mut expr");
- assert_eq!(stringify_expr!(&raw const expr), "&raw const expr");
- assert_eq!(stringify_expr!(&raw mut expr), "&raw mut expr");
+ c2!(expr, [ &expr ], "&expr", "& expr");
+ c2!(expr, [ &mut expr ], "&mut expr", "& mut expr");
+ c2!(expr, [ &raw const expr ], "&raw const expr", "& raw const expr");
+ c2!(expr, [ &raw mut expr ], "&raw mut expr", "& raw mut expr");
// ExprKind::Break
- assert_eq!(stringify_expr!(break), "break");
- assert_eq!(stringify_expr!(break 'a), "break 'a");
- assert_eq!(stringify_expr!(break true), "break true");
- assert_eq!(stringify_expr!(break 'a true), "break 'a true");
+ c1!(expr, [ break ], "break");
+ c1!(expr, [ break 'a ], "break 'a");
+ c1!(expr, [ break true ], "break true");
+ c1!(expr, [ break 'a true ], "break 'a true");
// ExprKind::Continue
- assert_eq!(stringify_expr!(continue), "continue");
- assert_eq!(stringify_expr!(continue 'a), "continue 'a");
+ c1!(expr, [ continue ], "continue");
+ c1!(expr, [ continue 'a ], "continue 'a");
// ExprKind::Ret
- assert_eq!(stringify_expr!(return), "return");
- assert_eq!(stringify_expr!(return true), "return true");
+ c1!(expr, [ return ], "return");
+ c1!(expr, [ return true ], "return true");
+
+ // ExprKind::InlineAsm: untestable because this test works pre-expansion.
+
+ // ExprKind::OffsetOf: untestable because this test works pre-expansion.
// ExprKind::MacCall
- assert_eq!(stringify_expr!(mac!(...)), "mac!(...)");
- assert_eq!(stringify_expr!(mac![...]), "mac![...]");
- assert_eq!(stringify_expr!(mac! { ... }), "mac! { ... }");
+ c2!(expr, [ mac!(...) ], "mac!(...)", "mac! (...)");
+ c2!(expr, [ mac![...] ], "mac![...]", "mac! [...]");
+ c1!(expr, [ mac! { ... } ], "mac! { ... }");
// ExprKind::Struct
- assert_eq!(stringify_expr!(Struct {}), "Struct {}");
- #[rustfmt::skip] // https://github.com/rust-lang/rustfmt/issues/5151
- assert_eq!(stringify_expr!(<Struct as Trait>::Type {}), "<Struct as Trait>::Type {}");
- assert_eq!(stringify_expr!(Struct { .. }), "Struct { .. }");
- assert_eq!(stringify_expr!(Struct { ..base }), "Struct { ..base }");
- assert_eq!(stringify_expr!(Struct { x }), "Struct { x }");
- assert_eq!(stringify_expr!(Struct { x, .. }), "Struct { x, .. }");
- assert_eq!(stringify_expr!(Struct { x, ..base }), "Struct { x, ..base }");
- assert_eq!(stringify_expr!(Struct { x: true }), "Struct { x: true }");
- assert_eq!(stringify_expr!(Struct { x: true, .. }), "Struct { x: true, .. }");
- assert_eq!(stringify_expr!(Struct { x: true, ..base }), "Struct { x: true, ..base }");
+ c1!(expr, [ Struct {} ], "Struct {}");
+ c2!(expr,
+ [ <Struct as Trait>::Type {} ],
+ "<Struct as Trait>::Type {}",
+ "< Struct as Trait > :: Type {}"
+ );
+ c1!(expr, [ Struct { .. } ], "Struct { .. }");
+ c2!(expr, [ Struct { ..base } ], "Struct { ..base }", "Struct { .. base }");
+ c1!(expr, [ Struct { x } ], "Struct { x }");
+ c1!(expr, [ Struct { x, .. } ], "Struct { x, .. }");
+ c2!(expr, [ Struct { x, ..base } ], "Struct { x, ..base }", "Struct { x, .. base }");
+ c2!(expr, [ Struct { x: true } ], "Struct { x: true }", "Struct { x : true }");
+ c2!(expr, [ Struct { x: true, .. } ], "Struct { x: true, .. }", "Struct { x : true, .. }");
+ c2!(expr,
+ [ Struct { x: true, ..base } ],
+ "Struct { x: true, ..base }",
+ "Struct { x : true, .. base }"
+ );
// ExprKind::Repeat
- assert_eq!(stringify_expr!([(); 0]), "[(); 0]");
+ c2!(expr, [ [(); 0] ], "[(); 0]", "[() ; 0]");
// ExprKind::Paren
- assert_eq!(stringify_expr!((expr)), "(expr)");
+ c1!(expr, [ (expr) ], "(expr)");
// ExprKind::Try
- assert_eq!(stringify_expr!(expr?), "expr?");
+ c2!(expr, [ expr? ], "expr?", "expr ?");
// ExprKind::Yield
- assert_eq!(stringify_expr!(yield), "yield");
- assert_eq!(stringify_expr!(yield true), "yield true");
+ c1!(expr, [ yield ], "yield");
+ c1!(expr, [ yield true ], "yield true");
+
+ // ExprKind::Yeet
+ c1!(expr, [ do yeet ], "do yeet");
+ c1!(expr, [ do yeet 0 ], "do yeet 0");
+
+ // ExprKind::Become
+ // FIXME: todo
+
+ // ExprKind::IncludedBytes
+ // FIXME: todo
+
+ // ExprKind::FormatArgs: untestable because this test works pre-expansion.
+
+ // ExprKind::Err: untestable.
}
#[test]
fn test_item() {
// ItemKind::ExternCrate
- assert_eq!(
- stringify_item!(
- extern crate std;
- ),
- "extern crate std;",
- );
- assert_eq!(
- stringify_item!(
- pub extern crate self as std;
- ),
+ c2!(item, [ extern crate std; ], "extern crate std;", "extern crate std ;");
+ c2!(item,
+ [ pub extern crate self as std; ],
"pub extern crate self as std;",
+ "pub extern crate self as std ;"
);
// ItemKind::Use
- assert_eq!(
- stringify_item!(
- pub use crate::{a, b::c};
- ),
+ c2!(item,
+ [ pub use crate::{a, b::c}; ],
"pub use crate::{a, b::c};",
+ "pub use crate :: { a, b :: c } ;"
);
+ c2!(item, [ pub use A::*; ], "pub use A::*;", "pub use A :: * ;");
// ItemKind::Static
- assert_eq!(
- stringify_item!(
- pub static S: () = {};
- ),
- "pub static S: () = {};",
- );
- assert_eq!(
- stringify_item!(
- static mut S: () = {};
- ),
- "static mut S: () = {};",
- );
- assert_eq!(
- stringify_item!(
- static S: ();
- ),
- "static S: ();",
- );
- assert_eq!(
- stringify_item!(
- static mut S: ();
- ),
- "static mut S: ();",
- );
+ c2!(item, [ pub static S: () = {}; ], "pub static S: () = {};", "pub static S : () = {} ;");
+ c2!(item, [ static mut S: () = {}; ], "static mut S: () = {};", "static mut S : () = {} ;");
+ c2!(item, [ static S: (); ], "static S: ();", "static S : () ;");
+ c2!(item, [ static mut S: (); ], "static mut S: ();", "static mut S : () ;");
// ItemKind::Const
- assert_eq!(
- stringify_item!(
- pub const S: () = {};
- ),
- "pub const S: () = {};",
- );
- assert_eq!(
- stringify_item!(
- const S: ();
- ),
- "const S: ();",
- );
+ c2!(item, [ pub const S: () = {}; ], "pub const S: () = {};", "pub const S : () = {} ;");
+ c2!(item, [ const S: (); ], "const S: ();", "const S : () ;");
// ItemKind::Fn
- assert_eq!(
- stringify_item!(
- pub default const async unsafe extern "C" fn f() {}
- ),
- "pub default const async unsafe extern \"C\" fn f() {}",
+ c1!(item,
+ [ pub default const async unsafe extern "C" fn f() {} ],
+ "pub default const async unsafe extern \"C\" fn f() {}"
+ );
+ c2!(item,
+ [ fn g<T>(t: Vec<Vec<Vec<T>>>) {} ],
+ "fn g<T>(t: Vec<Vec<Vec<T>>>) {}",
+ "fn g < T > (t : Vec < Vec < Vec < T >> >) {}"
+ );
+ c2!(item,
+ [ fn h<'a>(t: &'a Vec<Cell<dyn D>>) {} ],
+ "fn h<'a>(t: &'a Vec<Cell<dyn D>>) {}",
+ "fn h < 'a > (t : & 'a Vec < Cell < dyn D >>) {}"
);
// ItemKind::Mod
- assert_eq!(
- stringify_item!(
- pub mod m;
- ),
- "pub mod m;",
- );
- assert_eq!(
- stringify_item!(
- mod m {}
- ),
- "mod m {}",
- );
- assert_eq!(
- stringify_item!(
- unsafe mod m;
- ),
- "unsafe mod m;",
- );
- assert_eq!(
- stringify_item!(
- unsafe mod m {}
- ),
- "unsafe mod m {}",
- );
+ c2!(item, [ pub mod m; ], "pub mod m;", "pub mod m ;");
+ c1!(item, [ mod m {} ], "mod m {}");
+ c2!(item, [ unsafe mod m; ], "unsafe mod m;", "unsafe mod m ;");
+ c1!(item, [ unsafe mod m {} ], "unsafe mod m {}");
// ItemKind::ForeignMod
- assert_eq!(
- stringify_item!(
- extern "C" {}
- ),
- "extern \"C\" {}",
- );
- #[rustfmt::skip]
- assert_eq!(
- stringify_item!(
- pub extern "C" {}
- ),
- "extern \"C\" {}",
- );
- assert_eq!(
- stringify_item!(
- unsafe extern "C++" {}
- ),
- "unsafe extern \"C++\" {}",
+ c1!(item, [ extern "C" {} ], "extern \"C\" {}");
+ c2!(item,
+ [ pub extern "C" {} ],
+ "extern \"C\" {}", // ??
+ "pub extern \"C\" {}"
);
+ c1!(item, [ unsafe extern "C++" {} ], "unsafe extern \"C++\" {}");
+
+ // ItemKind::GlobalAsm: untestable because this test works pre-expansion.
// ItemKind::TyAlias
- #[rustfmt::skip]
- assert_eq!(
- stringify_item!(
+ c2!(item,
+ [
pub default type Type<'a>: Bound
where
Self: 'a,
= T;
- ),
+ ],
"pub default type Type<'a>: Bound where Self: 'a = T;",
+ "pub default type Type < 'a > : Bound where Self : 'a, = T ;"
);
// ItemKind::Enum
- assert_eq!(
- stringify_item!(
- pub enum Void {}
- ),
- "pub enum Void {}",
- );
- assert_eq!(
- stringify_item!(
+ c1!(item, [ pub enum Void {} ], "pub enum Void {}");
+ c1!(item,
+ [
enum Empty {
Unit,
Tuple(),
Struct {},
}
- ),
- "enum Empty { Unit, Tuple(), Struct {}, }",
+ ],
+ "enum Empty { Unit, Tuple(), Struct {}, }"
);
- assert_eq!(
- stringify_item!(
+ c2!(item,
+ [
enum Enum<T>
where
T: 'a,
@@ -499,7 +447,7 @@ fn test_item() {
Tuple(T),
Struct { t: T },
}
- ),
+ ],
"enum Enum<T> where T: 'a {\n\
\x20 Unit,\n\
\x20 Tuple(T),\n\
@@ -507,378 +455,378 @@ fn test_item() {
\x20 t: T,\n\
\x20 },\n\
}",
+ "enum Enum < T > where T : 'a, { Unit, Tuple(T), Struct { t : T }, }"
);
// ItemKind::Struct
- assert_eq!(
- stringify_item!(
- pub struct Unit;
- ),
- "pub struct Unit;",
- );
- assert_eq!(
- stringify_item!(
- struct Tuple();
- ),
- "struct Tuple();",
- );
- assert_eq!(
- stringify_item!(
- struct Tuple(T);
- ),
- "struct Tuple(T);",
- );
- assert_eq!(
- stringify_item!(
- struct Struct {}
- ),
- "struct Struct {}",
- );
- assert_eq!(
- stringify_item!(
+ c2!(item, [ pub struct Unit; ], "pub struct Unit;", "pub struct Unit ;");
+ c2!(item, [ struct Tuple(); ], "struct Tuple();", "struct Tuple() ;");
+ c2!(item, [ struct Tuple(T); ], "struct Tuple(T);", "struct Tuple(T) ;");
+ c1!(item, [ struct Struct {} ], "struct Struct {}");
+ c2!(item,
+ [
struct Struct<T>
where
T: 'a,
{
t: T,
}
- ),
+ ],
"struct Struct<T> where T: 'a {\n\
\x20 t: T,\n\
}",
+ "struct Struct < T > where T : 'a, { t : T, }"
);
// ItemKind::Union
- assert_eq!(
- stringify_item!(
- pub union Union {}
- ),
- "pub union Union {}",
- );
- assert_eq!(
- stringify_item!(
+ c1!(item, [ pub union Union {} ], "pub union Union {}");
+ c2!(item,
+ [
union Union<T> where T: 'a {
t: T,
}
- ),
+ ],
"union Union<T> where T: 'a {\n\
\x20 t: T,\n\
}",
+ "union Union < T > where T : 'a { t : T, }"
);
// ItemKind::Trait
- assert_eq!(
- stringify_item!(
- pub unsafe auto trait Send {}
- ),
- "pub unsafe auto trait Send {}",
- );
- assert_eq!(
- stringify_item!(
+ c1!(item, [ pub unsafe auto trait Send {} ], "pub unsafe auto trait Send {}");
+ c2!(item,
+ [
trait Trait<'a>: Sized
where
Self: 'a,
{
}
- ),
+ ],
"trait Trait<'a>: Sized where Self: 'a {}",
+ "trait Trait < 'a > : Sized where Self : 'a, {}"
);
// ItemKind::TraitAlias
- assert_eq!(
- stringify_item!(
- pub trait Trait<T> = Sized where T: 'a;
- ),
+ c2!(item,
+ [ pub trait Trait<T> = Sized where T: 'a; ],
"pub trait Trait<T> = Sized where T: 'a;",
+ "pub trait Trait < T > = Sized where T : 'a ;"
);
// ItemKind::Impl
- assert_eq!(
- stringify_item!(
- pub impl Struct {}
- ),
- "pub impl Struct {}",
- );
- assert_eq!(
- stringify_item!(
- impl<T> Struct<T> {}
- ),
- "impl<T> Struct<T> {}",
- );
- assert_eq!(
- stringify_item!(
- pub impl Trait for Struct {}
- ),
- "pub impl Trait for Struct {}",
- );
- assert_eq!(
- stringify_item!(
- impl<T> const Trait for T {}
- ),
+ c1!(item, [ pub impl Struct {} ], "pub impl Struct {}");
+ c2!(item, [ impl<T> Struct<T> {} ], "impl<T> Struct<T> {}", "impl < T > Struct < T > {}");
+ c1!(item, [ pub impl Trait for Struct {} ], "pub impl Trait for Struct {}");
+ c2!(item,
+ [ impl<T> const Trait for T {} ],
"impl<T> const Trait for T {}",
+ "impl < T > const Trait for T {}"
);
- assert_eq!(
- stringify_item!(
- impl ~const Struct {}
- ),
- "impl ~const Struct {}",
- );
+ c2!(item, [ impl ~const Struct {} ], "impl ~const Struct {}", "impl ~ const Struct {}");
// ItemKind::MacCall
- assert_eq!(stringify_item!(mac!(...);), "mac!(...);");
- assert_eq!(stringify_item!(mac![...];), "mac![...];");
- assert_eq!(stringify_item!(mac! { ... }), "mac! { ... }");
+ c2!(item, [ mac!(...); ], "mac!(...);", "mac! (...) ;");
+ c2!(item, [ mac![...]; ], "mac![...];", "mac! [...] ;");
+ c1!(item, [ mac! { ... } ], "mac! { ... }");
// ItemKind::MacroDef
- assert_eq!(
- stringify_item!(
+ c1!(item,
+ [
macro_rules! stringify {
() => {};
}
- ),
- "macro_rules! stringify { () => {} ; }", // FIXME
+ ],
+ "macro_rules! stringify { () => {} ; }"
);
- assert_eq!(
- stringify_item!(
- pub macro stringify() {}
- ),
- "pub macro stringify { () => {} }",
+ c2!(item,
+ [ pub macro stringify() {} ],
+ "pub macro stringify { () => {} }", // ??
+ "pub macro stringify() {}"
);
}
#[test]
fn test_meta() {
- assert_eq!(stringify_meta!(k), "k");
- assert_eq!(stringify_meta!(k = "v"), "k = \"v\"");
- assert_eq!(stringify_meta!(list(k1, k2 = "v")), "list(k1, k2 = \"v\")");
- assert_eq!(stringify_meta!(serde::k), "serde::k");
+ c1!(meta, [ k ], "k");
+ c1!(meta, [ k = "v" ], "k = \"v\"");
+ c1!(meta, [ list(k1, k2 = "v") ], "list(k1, k2 = \"v\")");
+ c2!(meta, [ serde::k ], "serde::k", "serde :: k");
}
#[test]
fn test_pat() {
// PatKind::Wild
- assert_eq!(stringify_pat!(_), "_");
+ c1!(pat, [ _ ], "_");
// PatKind::Ident
- assert_eq!(stringify_pat!(_x), "_x");
- assert_eq!(stringify_pat!(ref _x), "ref _x");
- assert_eq!(stringify_pat!(mut _x), "mut _x");
- assert_eq!(stringify_pat!(ref mut _x), "ref mut _x");
- assert_eq!(stringify_pat!(ref mut _x @ _), "ref mut _x @ _");
+ c1!(pat, [ _x ], "_x");
+ c1!(pat, [ ref _x ], "ref _x");
+ c1!(pat, [ mut _x ], "mut _x");
+ c1!(pat, [ ref mut _x ], "ref mut _x");
+ c1!(pat, [ ref mut _x @ _ ], "ref mut _x @ _");
// PatKind::Struct
- assert_eq!(stringify_pat!(Struct {}), "Struct {}");
- assert_eq!(stringify_pat!(Struct::<u8> {}), "Struct::<u8> {}");
- assert_eq!(stringify_pat!(Struct::<'static> {}), "Struct::<'static> {}");
- assert_eq!(stringify_pat!(Struct { x }), "Struct { x }");
- assert_eq!(stringify_pat!(Struct { x: _x }), "Struct { x: _x }");
- assert_eq!(stringify_pat!(Struct { .. }), "Struct { .. }");
- assert_eq!(stringify_pat!(Struct { x, .. }), "Struct { x, .. }");
- assert_eq!(stringify_pat!(Struct { x: _x, .. }), "Struct { x: _x, .. }");
- #[rustfmt::skip] // https://github.com/rust-lang/rustfmt/issues/5151
- assert_eq!(
- stringify_pat!(<Struct as Trait>::Type {}),
+ c1!(pat, [ Struct {} ], "Struct {}");
+ c2!(pat, [ Struct::<u8> {} ], "Struct::<u8> {}", "Struct :: < u8 > {}");
+ c2!(pat, [ Struct::<'static> {} ], "Struct::<'static> {}", "Struct :: < 'static > {}");
+ c1!(pat, [ Struct { x } ], "Struct { x }");
+ c2!(pat, [ Struct { x: _x } ], "Struct { x: _x }", "Struct { x : _x }");
+ c1!(pat, [ Struct { .. } ], "Struct { .. }");
+ c1!(pat, [ Struct { x, .. } ], "Struct { x, .. }");
+ c2!(pat, [ Struct { x: _x, .. } ], "Struct { x: _x, .. }", "Struct { x : _x, .. }");
+ c2!(pat,
+ [ <Struct as Trait>::Type {} ],
"<Struct as Trait>::Type {}",
+ "< Struct as Trait > :: Type {}"
);
// PatKind::TupleStruct
- assert_eq!(stringify_pat!(Tuple()), "Tuple()");
- assert_eq!(stringify_pat!(Tuple::<u8>()), "Tuple::<u8>()");
- assert_eq!(stringify_pat!(Tuple::<'static>()), "Tuple::<'static>()");
- assert_eq!(stringify_pat!(Tuple(x)), "Tuple(x)");
- assert_eq!(stringify_pat!(Tuple(..)), "Tuple(..)");
- assert_eq!(stringify_pat!(Tuple(x, ..)), "Tuple(x, ..)");
- assert_eq!(stringify_pat!(<Struct as Trait>::Type()), "<Struct as Trait>::Type()");
+ c1!(pat, [ Tuple() ], "Tuple()");
+ c2!(pat, [ Tuple::<u8>() ], "Tuple::<u8>()", "Tuple :: < u8 > ()");
+ c2!(pat, [ Tuple::<'static>() ], "Tuple::<'static>()", "Tuple :: < 'static > ()");
+ c1!(pat, [ Tuple(x) ], "Tuple(x)");
+ c1!(pat, [ Tuple(..) ], "Tuple(..)");
+ c1!(pat, [ Tuple(x, ..) ], "Tuple(x, ..)");
+ c2!(pat,
+ [ <Struct as Trait>::Type() ],
+ "<Struct as Trait>::Type()",
+ "< Struct as Trait > :: Type()"
+ );
// PatKind::Or
- assert_eq!(stringify_pat!(true | false), "true | false");
- assert_eq!(stringify_pat!(| true), "true");
- assert_eq!(stringify_pat!(|true| false), "true | false");
+ c1!(pat, [ true | false ], "true | false");
+ c2!(pat, [ | true ], "true", "| true");
+ c2!(pat, [ |true| false ], "true | false", "| true | false");
// PatKind::Path
- assert_eq!(stringify_pat!(crate::Path), "crate::Path");
- assert_eq!(stringify_pat!(Path::<u8>), "Path::<u8>");
- assert_eq!(stringify_pat!(Path::<'static>), "Path::<'static>");
- assert_eq!(stringify_pat!(<Struct as Trait>::Type), "<Struct as Trait>::Type");
+ c2!(pat, [ crate::Path ], "crate::Path", "crate :: Path");
+ c2!(pat, [ Path::<u8> ], "Path::<u8>", "Path :: < u8 >");
+ c2!(pat, [ Path::<'static> ], "Path::<'static>", "Path :: < 'static >");
+ c2!(pat, [ <Struct as Trait>::Type ], "<Struct as Trait>::Type", "< Struct as Trait > :: Type");
// PatKind::Tuple
- assert_eq!(stringify_pat!(()), "()");
- assert_eq!(stringify_pat!((true,)), "(true,)");
- assert_eq!(stringify_pat!((true, false)), "(true, false)");
+ c1!(pat, [ () ], "()");
+ c1!(pat, [ (true,) ], "(true,)");
+ c1!(pat, [ (true, false) ], "(true, false)");
// PatKind::Box
- assert_eq!(stringify_pat!(box pat), "box pat");
+ c1!(pat, [ box pat ], "box pat");
// PatKind::Ref
- assert_eq!(stringify_pat!(&pat), "&pat");
- assert_eq!(stringify_pat!(&mut pat), "&mut pat");
+ c2!(pat, [ &pat ], "&pat", "& pat");
+ c2!(pat, [ &mut pat ], "&mut pat", "& mut pat");
// PatKind::Lit
- assert_eq!(stringify_pat!(1_000_i8), "1_000_i8");
+ c1!(pat, [ 1_000_i8 ], "1_000_i8");
// PatKind::Range
- assert_eq!(stringify_pat!(..1), "..1");
- assert_eq!(stringify_pat!(0..), "0..");
- assert_eq!(stringify_pat!(0..1), "0..1");
- assert_eq!(stringify_pat!(0..=1), "0..=1");
- assert_eq!(stringify_pat!(-2..=-1), "-2..=-1");
+ c2!(pat, [ ..1 ], "..1", ".. 1");
+ c2!(pat, [ 0.. ], "0..", "0 ..");
+ c2!(pat, [ 0..1 ], "0..1", "0 .. 1");
+ c2!(pat, [ 0..=1 ], "0..=1", "0 ..= 1");
+ c2!(pat, [ -2..=-1 ], "-2..=-1", "- 2 ..= - 1");
// PatKind::Slice
- assert_eq!(stringify_pat!([]), "[]");
- assert_eq!(stringify_pat!([true]), "[true]");
- assert_eq!(stringify_pat!([true,]), "[true]");
- assert_eq!(stringify_pat!([true, false]), "[true, false]");
+ c1!(pat, [ [] ], "[]");
+ c1!(pat, [ [true] ], "[true]");
+ c2!(pat, [ [true,] ], "[true]", "[true,]");
+ c1!(pat, [ [true, false] ], "[true, false]");
// PatKind::Rest
- assert_eq!(stringify_pat!(..), "..");
+ c1!(pat, [ .. ], "..");
// PatKind::Paren
- assert_eq!(stringify_pat!((pat)), "(pat)");
+ c1!(pat, [ (pat) ], "(pat)");
// PatKind::MacCall
- assert_eq!(stringify_pat!(mac!(...)), "mac!(...)");
- assert_eq!(stringify_pat!(mac![...]), "mac![...]");
- assert_eq!(stringify_pat!(mac! { ... }), "mac! { ... }");
+ c2!(pat, [ mac!(...) ], "mac!(...)", "mac! (...)");
+ c2!(pat, [ mac![...] ], "mac![...]", "mac! [...]");
+ c1!(pat, [ mac! { ... } ], "mac! { ... }");
}
#[test]
fn test_path() {
- assert_eq!(stringify_path!(thing), "thing");
- assert_eq!(stringify_path!(m::thing), "m::thing");
- assert_eq!(stringify_path!(self::thing), "self::thing");
- assert_eq!(stringify_path!(crate::thing), "crate::thing");
- assert_eq!(stringify_path!(Self::thing), "Self::thing");
- assert_eq!(stringify_path!(Self<'static>), "Self<'static>");
- assert_eq!(stringify_path!(Self::<'static>), "Self<'static>");
- assert_eq!(stringify_path!(Self()), "Self()");
- assert_eq!(stringify_path!(Self() -> ()), "Self() -> ()");
+ c1!(path, [ thing ], "thing");
+ c2!(path, [ m::thing ], "m::thing", "m :: thing");
+ c2!(path, [ self::thing ], "self::thing", "self :: thing");
+ c2!(path, [ crate::thing ], "crate::thing", "crate :: thing");
+ c2!(path, [ Self::thing ], "Self::thing", "Self :: thing");
+ c2!(path, [ Self<'static> ], "Self<'static>", "Self < 'static >");
+ c2!(path, [ Self::<'static> ], "Self<'static>", "Self :: < 'static >");
+ c1!(path, [ Self() ], "Self()");
+ c1!(path, [ Self() -> () ], "Self() -> ()");
}
#[test]
fn test_stmt() {
// StmtKind::Local
- assert_eq!(stringify_stmt!(let _), "let _;");
- assert_eq!(stringify_stmt!(let x = true), "let x = true;");
- assert_eq!(stringify_stmt!(let x: bool = true), "let x: bool = true;");
+ c2!(stmt, [ let _ ], "let _;", "let _");
+ c2!(stmt, [ let x = true ], "let x = true;", "let x = true");
+ c2!(stmt, [ let x: bool = true ], "let x: bool = true;", "let x : bool = true");
+ c2!(stmt, [ let (a, b) = (1, 2) ], "let (a, b) = (1, 2);", "let(a, b) = (1, 2)"); // FIXME
+ c2!(stmt,
+ [ let (a, b): (u32, u32) = (1, 2) ],
+ "let (a, b): (u32, u32) = (1, 2);",
+ "let(a, b) : (u32, u32) = (1, 2)"
+ );
// StmtKind::Item
- assert_eq!(
- stringify_stmt!(
- struct S;
- ),
- "struct S;",
- );
+ c2!(stmt, [ struct S; ], "struct S;", "struct S ;");
+ c1!(stmt, [ struct S {} ], "struct S {}");
// StmtKind::Expr
- assert_eq!(stringify_stmt!(loop {}), "loop {}");
+ c1!(stmt, [ loop {} ], "loop {}");
// StmtKind::Semi
- assert_eq!(stringify_stmt!(1 + 1), "1 + 1;");
+ c2!(stmt, [ 1 + 1 ], "1 + 1;", "1 + 1");
// StmtKind::Empty
- assert_eq!(stringify_stmt!(;), ";");
+ c1!(stmt, [ ; ], ";");
// StmtKind::MacCall
- assert_eq!(stringify_stmt!(mac!(...)), "mac!(...)");
- assert_eq!(stringify_stmt!(mac![...]), "mac![...]");
- assert_eq!(stringify_stmt!(mac! { ... }), "mac! { ... }");
+ c2!(stmt, [ mac!(...) ], "mac!(...)", "mac! (...)");
+ c2!(stmt, [ mac![...] ], "mac![...]", "mac! [...]");
+ c1!(stmt, [ mac! { ... } ], "mac! { ... }");
}
#[test]
fn test_ty() {
// TyKind::Slice
- assert_eq!(stringify_ty!([T]), "[T]");
+ c1!(ty, [ [T] ], "[T]");
// TyKind::Array
- assert_eq!(stringify_ty!([T; 0]), "[T; 0]");
+ c2!(ty, [ [T; 0] ], "[T; 0]", "[T ; 0]");
// TyKind::Ptr
- assert_eq!(stringify_ty!(*const T), "*const T");
- assert_eq!(stringify_ty!(*mut T), "*mut T");
+ c2!(ty, [ *const T ], "*const T", "* const T");
+ c2!(ty, [ *mut T ], "*mut T", "* mut T");
// TyKind::Ref
- assert_eq!(stringify_ty!(&T), "&T");
- assert_eq!(stringify_ty!(&mut T), "&mut T");
- assert_eq!(stringify_ty!(&'a T), "&'a T");
- assert_eq!(stringify_ty!(&'a mut T), "&'a mut T");
+ c2!(ty, [ &T ], "&T", "& T");
+ c2!(ty, [ &mut T ], "&mut T", "& mut T");
+ c2!(ty, [ &'a T ], "&'a T", "& 'a T");
+ c2!(ty, [ &'a mut [T] ], "&'a mut [T]", "& 'a mut [T]");
+ c2!(ty, [ &A<B<C<D<E>>>> ], "&A<B<C<D<E>>>>", "& A < B < C < D < E >> >>");
// TyKind::BareFn
- assert_eq!(stringify_ty!(fn()), "fn()");
- assert_eq!(stringify_ty!(fn() -> ()), "fn() -> ()");
- assert_eq!(stringify_ty!(fn(u8)), "fn(u8)");
- assert_eq!(stringify_ty!(fn(x: u8)), "fn(x: u8)");
- #[rustfmt::skip]
- assert_eq!(stringify_ty!(for<> fn()), "fn()");
- assert_eq!(stringify_ty!(for<'a> fn()), "for<'a> fn()");
+ c1!(ty, [ fn() ], "fn()");
+ c1!(ty, [ fn() -> () ], "fn() -> ()");
+ c1!(ty, [ fn(u8) ], "fn(u8)");
+ c2!(ty, [ fn(x: u8) ], "fn(x: u8)", "fn(x : u8)");
+ c2!(ty, [ for<> fn() ], "fn()", "for < > fn()");
+ c2!(ty, [ for<'a> fn() ], "for<'a> fn()", "for < 'a > fn()");
// TyKind::Never
- assert_eq!(stringify_ty!(!), "!");
+ c1!(ty, [ ! ], "!");
// TyKind::Tup
- assert_eq!(stringify_ty!(()), "()");
- assert_eq!(stringify_ty!((T,)), "(T,)");
- assert_eq!(stringify_ty!((T, U)), "(T, U)");
+ c1!(ty, [ () ], "()");
+ c1!(ty, [ (T,) ], "(T,)");
+ c1!(ty, [ (T, U) ], "(T, U)");
+
+ // TyKind::AnonStruct: untestable in isolation.
+
+ // TyKind::AnonUnion: untestable in isolation.
// TyKind::Path
- assert_eq!(stringify_ty!(T), "T");
- assert_eq!(stringify_ty!(Ref<'a>), "Ref<'a>");
- assert_eq!(stringify_ty!(PhantomData<T>), "PhantomData<T>");
- assert_eq!(stringify_ty!(PhantomData::<T>), "PhantomData<T>");
- assert_eq!(stringify_ty!(Fn() -> !), "Fn() -> !");
- assert_eq!(stringify_ty!(Fn(u8) -> !), "Fn(u8) -> !");
- assert_eq!(stringify_ty!(<Struct as Trait>::Type), "<Struct as Trait>::Type");
+ c1!(ty, [ T ], "T");
+ c2!(ty, [ Ref<'a> ], "Ref<'a>", "Ref < 'a >");
+ c2!(ty, [ PhantomData<T> ], "PhantomData<T>", "PhantomData < T >");
+ c2!(ty, [ PhantomData::<T> ], "PhantomData<T>", "PhantomData :: < T >");
+ c2!(ty, [ Fn() -> ! ], "Fn() -> !", "Fn() ->!");
+ c2!(ty, [ Fn(u8) -> ! ], "Fn(u8) -> !", "Fn(u8) ->!"); // FIXME
+ c2!(ty, [ <Struct as Trait>::Type ], "<Struct as Trait>::Type", "< Struct as Trait > :: Type");
// TyKind::TraitObject
- assert_eq!(stringify_ty!(dyn Send), "dyn Send");
- assert_eq!(stringify_ty!(dyn Send + 'a), "dyn Send + 'a");
- assert_eq!(stringify_ty!(dyn 'a + Send), "dyn 'a + Send");
- assert_eq!(stringify_ty!(dyn ?Sized), "dyn ?Sized");
- assert_eq!(stringify_ty!(dyn ~const Clone), "dyn ~const Clone");
- assert_eq!(stringify_ty!(dyn for<'a> Send), "dyn for<'a> Send");
+ c1!(ty, [ dyn Send ], "dyn Send");
+ c1!(ty, [ dyn Send + 'a ], "dyn Send + 'a");
+ c1!(ty, [ dyn 'a + Send ], "dyn 'a + Send");
+ c2!(ty, [ dyn ?Sized ], "dyn ?Sized", "dyn ? Sized");
+ c2!(ty, [ dyn ~const Clone ], "dyn ~const Clone", "dyn ~ const Clone");
+ c2!(ty, [ dyn for<'a> Send ], "dyn for<'a> Send", "dyn for < 'a > Send");
// TyKind::ImplTrait
- assert_eq!(stringify_ty!(impl Send), "impl Send");
- assert_eq!(stringify_ty!(impl Send + 'a), "impl Send + 'a");
- assert_eq!(stringify_ty!(impl 'a + Send), "impl 'a + Send");
- assert_eq!(stringify_ty!(impl ?Sized), "impl ?Sized");
- assert_eq!(stringify_ty!(impl ~const Clone), "impl ~const Clone");
- assert_eq!(stringify_ty!(impl for<'a> Send), "impl for<'a> Send");
+ c1!(ty, [ impl Send ], "impl Send");
+ c1!(ty, [ impl Send + 'a ], "impl Send + 'a");
+ c1!(ty, [ impl 'a + Send ], "impl 'a + Send");
+ c2!(ty, [ impl ?Sized ], "impl ?Sized", "impl ? Sized");
+ c2!(ty, [ impl ~const Clone ], "impl ~const Clone", "impl ~ const Clone");
+ c2!(ty, [ impl for<'a> Send ], "impl for<'a> Send", "impl for < 'a > Send");
// TyKind::Paren
- assert_eq!(stringify_ty!((T)), "(T)");
+ c1!(ty, [ (T) ], "(T)");
+
+ // TyKind::Typeof: unused for now.
// TyKind::Infer
- assert_eq!(stringify_ty!(_), "_");
+ c1!(ty, [ _ ], "_");
+
+ // TyKind::ImplicitSelf: there is no syntax for this.
// TyKind::MacCall
- assert_eq!(stringify_ty!(mac!(...)), "mac!(...)");
- assert_eq!(stringify_ty!(mac![...]), "mac![...]");
- assert_eq!(stringify_ty!(mac! { ... }), "mac! { ... }");
+ c2!(ty, [ mac!(...) ], "mac!(...)", "mac! (...)");
+ c2!(ty, [ mac![...] ], "mac![...]", "mac! [...]");
+ c1!(ty, [ mac! { ... } ], "mac! { ... }");
+
+ // TyKind::Err: untestable.
+
+ // TyKind::CVarArgs
+ // FIXME: todo
}
#[test]
fn test_vis() {
// VisibilityKind::Public
- assert_eq!(stringify_vis!(pub), "pub ");
+ c2!(vis, [ pub ], "pub ", "pub");
// VisibilityKind::Restricted
- assert_eq!(stringify_vis!(pub(crate)), "pub(crate) ");
- assert_eq!(stringify_vis!(pub(self)), "pub(self) ");
- assert_eq!(stringify_vis!(pub(super)), "pub(super) ");
- assert_eq!(stringify_vis!(pub(in crate)), "pub(in crate) ");
- assert_eq!(stringify_vis!(pub(in self)), "pub(in self) ");
- assert_eq!(stringify_vis!(pub(in super)), "pub(in super) ");
- assert_eq!(stringify_vis!(pub(in path::to)), "pub(in path::to) ");
- assert_eq!(stringify_vis!(pub(in ::path::to)), "pub(in ::path::to) ");
- assert_eq!(stringify_vis!(pub(in self::path::to)), "pub(in self::path::to) ");
- assert_eq!(stringify_vis!(pub(in super::path::to)), "pub(in super::path::to) ");
+ c2!(vis, [ pub(crate) ], "pub(crate) ", "pub(crate)");
+ c2!(vis, [ pub(self) ], "pub(self) ", "pub(self)");
+ c2!(vis, [ pub(super) ], "pub(super) ", "pub(super)");
+ c2!(vis, [ pub(in crate) ], "pub(in crate) ", "pub(in crate)");
+ c2!(vis, [ pub(in self) ], "pub(in self) ", "pub(in self)");
+ c2!(vis, [ pub(in super) ], "pub(in super) ", "pub(in super)");
+ c2!(vis, [ pub(in path::to) ], "pub(in path::to) ", "pub(in path :: to)");
+ c2!(vis, [ pub(in ::path::to) ], "pub(in ::path::to) ", "pub(in :: path :: to)");
+ c2!(vis, [ pub(in self::path::to) ], "pub(in self::path::to) ", "pub(in self :: path :: to)");
+ c2!(vis,
+ [ pub(in super::path::to) ],
+ "pub(in super::path::to) ",
+ "pub(in super :: path :: to)"
+ );
// VisibilityKind::Inherited
- // Directly calling `stringify_vis!()` does not work.
- macro_rules! stringify_inherited_vis {
- ($vis:vis struct) => {
- stringify_vis!($vis)
- };
- }
- assert_eq!(stringify_inherited_vis!(struct), "");
+ // This one is different because directly calling `vis!` does not work.
+ macro_rules! inherited_vis { ($vis:vis struct) => { vis!($vis) }; }
+ assert_eq!(inherited_vis!(struct), "");
+ assert_eq!(stringify!(), "");
+}
+
+macro_rules! p {
+ ([$($tt:tt)*], $s:literal) => {
+ assert_eq!(stringify!($($tt)*), $s);
+ };
+}
+
+#[test]
+fn test_punct() {
+ // For all these cases, we must preserve spaces between the tokens.
+ // Otherwise, any old proc macro that parses pretty-printed code might glue
+ // together tokens that shouldn't be glued.
+ p!([ = = < < <= <= == == != != >= >= > > ], "= = < < <= <= == == != != >= >= > >");
+ p!([ && && & & || || | | ! ! ], "&& && & & || || | |!!"); // FIXME
+ p!([ ~ ~ @ @ # # ], "~ ~ @ @ # #");
+ p!([ . . .. .. ... ... ..= ..=], ".... .. ... ... ..= ..="); // FIXME
+ p!([ , , ; ; : : :: :: ], ",, ; ; : : :: ::"); // FIXME
+ p!([ -> -> <- <- => =>], "-> -> <- <- => =>");
+ p!([ $ $ ? ? ' ' ], "$$? ? ' '"); // FIXME
+ p!([ + + += += - - -= -= * * *= *= / / /= /= ], "+ + += += - - -= -= * * *= *= / / /= /=");
+ p!([ % % %= %= ^ ^ ^= ^= << << <<= <<= >> >> >>= >>= ],
+ "% % %= %= ^ ^ ^= ^= << << <<= <<= >> >> >>= >>=");
+
+ // For these one we must insert spaces between adjacent tokens, again due
+ // to proc macros.
+ p!([ +! ?= |> >>@ --> <-- $$ =====> ], "+! ? = | > >> @ - -> <- - $$== == =>"); // FIXME
+ p!([ ,; ;, ** @@ $+$ >< <> ?? +== ], ", ; ;, * * @ @ $+ $> < < > ? ? += ="); // FIXME
+ p!([ :#!@|$=&*,+;*~? ], ": #! @ | $= & *, + ; * ~ ?"); // FIXME
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 10:23:59 +0000