tests: Test size of public types

.github/workflows/ci.yml

@@ -70,8 +70,7 @@ jobs:
       - uses: taiki-e/install-action@cargo-minimal-versions
       - uses: taiki-e/install-action@cargo-careful
         if: matrix.rust == 'nightly'
-      - run: cargo test --workspace --all-features ${EXCLUDE} --tests --no-run
-        if: matrix.rust != 'nightly'
+      - run: cargo test --workspace --all-features ${EXCLUDE} --no-run
       - run: cargo test --workspace --all-features ${EXCLUDE}
         if: matrix.rust == 'nightly'
       - run: cargo careful test --workspace --all-features ${EXCLUDE}

Cargo.toml

@@ -33,6 +33,7 @@ pin-project = "1.0.11"
 futures = { package = "futures-util", version = "0.3", default-features = false }
 rustversion = "1"
 static_assertions = "1"
+test-helper = { features = ["git"], git = "https://github.com/taiki-e/test-helper.git", rev = "e8333e1" }
 trybuild = { git = "https://github.com/taiki-e/trybuild.git", branch = "dev" } # adjust overwrite behavior
 
 [lints]
@@ -52,6 +53,7 @@ non_ascii_idents = "warn"
 rust_2018_idioms = "warn"
 single_use_lifetimes = "warn"
 unexpected_cfgs = { level = "warn", check-cfg = [
+    'cfg(careful)',
 ] }
 unnameable_types = "warn"
 unreachable_pub = "warn"

src/lib.rs

@@ -294,6 +294,9 @@ mod tests;
 #[cfg(test)]
 #[path = "gen/tests/assert_impl.rs"]
 mod assert_impl;
+#[cfg(test)]
+#[path = "gen/tests/track_size.rs"]
+mod track_size;
 
 #[doc(inline)]
 pub use futures_async_stream_macro::for_await;
@@ -340,6 +343,10 @@ mod future {
     // SAFETY: see `Send` impl
     unsafe impl Sync for ResumeTy {}
 
+    // Needed to work around old nightly bug (fixed in nightly-2024-05-24 by https://github.com/rust-lang/rust/pull/125392)
+    impl core::panic::UnwindSafe for ResumeTy {}
+    impl core::panic::RefUnwindSafe for ResumeTy {}
+
     /// Wrap a coroutine in a future.
     ///
     /// This function returns a `GenFuture` underneath, but hides it in `impl Trait` to give

tools/codegen/Cargo.toml

@@ -7,9 +7,8 @@ fs-err = "3"
 globset = { version = "0.4", default-features = false }
 prettyplease = "0.2"
 proc-macro2 = { version = "1", default-features = false }
-quote = { version = "1", default-features = false }
-syn = { version = "2", default-features = false, features = ["parsing", "printing", "full", "visit-mut"] }
-test-helper = { features = ["git"], git = "https://github.com/taiki-e/test-helper.git", rev = "295ad29" }
+syn = { version = "2", default-features = false, features = ["parsing", "printing", "full"] }
+test-helper = { features = ["codegen"], git = "https://github.com/taiki-e/test-helper.git", rev = "e8333e1" }
 
 [lints]
 workspace = true