makepad/libs/relax/compiler/tests/trait_selection_counter.rs
Admin b22a714840 makepad run: the Rust JIT (libs/relax) and makepad-remote
The JIT that runs makepad apps from source: lexer, front end, type checker,
lazy borrow checker (Gandalf; `--check-first` opts in), codegen, session and
warm/cold caches keyed by compiler stamp, provided crates bound late,
startup images, live patching. User-facing name is `makepad run` (binary
`makepad`, MAKEPAD_RUN_* env, ~/.makepad-run); libs/relax stays the internal
library name. `makepad check` reports rustc-style diagnostics with rustc
error codes and checks a whole workspace (`--workspace`). Runs on macOS,
Linux, Windows and Android. makepad-remote: one tool schema for apps and the
WM (app/1): grabs, captures, traces, frame profiles and tweaks.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-10-13 12:26:21 +02:00

39 lines
1.4 KiB
Rust

#[test]
fn tuple_clone_clones_owned_fields() {
let original = (vec![String::from("before")], (String::from("nested"), ()));
let mut cloned = original.clone();
cloned.0[0].push_str(" after");
assert_eq!(original.0[0], "before");
assert_eq!(cloned.0[0], "before after");
assert_eq!(cloned.1.0, "nested");
assert_eq!(().clone(), ());
}
#[test]
fn removing_auto_traits_keeps_object_dispatch() {
let source: Box<dyn std::any::Any + Send + Sync> = Box::new(42u32);
let shared: &dyn std::any::Any = &*source;
assert_eq!(shared.downcast_ref::<u32>(), Some(&42));
let owned: Box<dyn std::any::Any> = source;
assert_eq!(*owned.downcast::<u32>().unwrap(), 42);
}
#[test]
fn assert_unwind_safe_wraps_non_unwind_safe_captures() {
let value = std::cell::RefCell::new(0);
let result = std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| {
*value.borrow_mut() += 1;
}));
assert!(result.is_ok());
assert_eq!(*value.borrow(), 1);
}
#[test]
fn nested_iterator_projection_and_pending_closures() {
let values = vec![(String::from("a"), 3u64), (String::from("b"), 8u64)];
let maximum = values.iter().map(|entry| entry.1).chain(std::iter::once(5u64)).max();
let strings: Vec<_> = values.iter().map(|entry| entry.0.clone()).collect();
let lengths: Vec<_> = strings.iter().map(|text| text.len()).collect();
assert_eq!(maximum, Some(8));
assert_eq!(lengths, vec![1, 1]);
}