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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/tools/clippy/tests/ui/redundant_allocation.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/tools/clippy/tests/ui/redundant_allocation.rs')
-rw-r--r--src/tools/clippy/tests/ui/redundant_allocation.rs135
1 files changed, 135 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/redundant_allocation.rs b/src/tools/clippy/tests/ui/redundant_allocation.rs
new file mode 100644
index 000000000..cf7d8c6e3
--- /dev/null
+++ b/src/tools/clippy/tests/ui/redundant_allocation.rs
@@ -0,0 +1,135 @@
+#![warn(clippy::all)]
+#![allow(clippy::boxed_local, clippy::needless_pass_by_value)]
+#![allow(clippy::blacklisted_name, unused_variables, dead_code)]
+#![allow(unused_imports)]
+
+pub struct MyStruct;
+
+pub struct SubT<T> {
+ foo: T,
+}
+
+pub enum MyEnum {
+ One,
+ Two,
+}
+
+mod outer_box {
+ use crate::MyEnum;
+ use crate::MyStruct;
+ use crate::SubT;
+ use std::boxed::Box;
+ use std::rc::Rc;
+ use std::sync::Arc;
+
+ pub fn box_test6<T>(foo: Box<Rc<T>>) {}
+
+ pub fn box_test7<T>(foo: Box<Arc<T>>) {}
+
+ pub fn box_test8() -> Box<Rc<SubT<usize>>> {
+ unimplemented!();
+ }
+
+ pub fn box_test9<T>(foo: Box<Arc<T>>) -> Box<Arc<SubT<T>>> {
+ unimplemented!();
+ }
+}
+
+mod outer_rc {
+ use crate::MyEnum;
+ use crate::MyStruct;
+ use crate::SubT;
+ use std::boxed::Box;
+ use std::rc::Rc;
+ use std::sync::Arc;
+
+ pub fn rc_test5(a: Rc<Box<bool>>) {}
+
+ pub fn rc_test7(a: Rc<Arc<bool>>) {}
+
+ pub fn rc_test8() -> Rc<Box<SubT<usize>>> {
+ unimplemented!();
+ }
+
+ pub fn rc_test9<T>(foo: Rc<Arc<T>>) -> Rc<Arc<SubT<T>>> {
+ unimplemented!();
+ }
+}
+
+mod outer_arc {
+ use crate::MyEnum;
+ use crate::MyStruct;
+ use crate::SubT;
+ use std::boxed::Box;
+ use std::rc::Rc;
+ use std::sync::Arc;
+
+ pub fn arc_test5(a: Arc<Box<bool>>) {}
+
+ pub fn arc_test6(a: Arc<Rc<bool>>) {}
+
+ pub fn arc_test8() -> Arc<Box<SubT<usize>>> {
+ unimplemented!();
+ }
+
+ pub fn arc_test9<T>(foo: Arc<Rc<T>>) -> Arc<Rc<SubT<T>>> {
+ unimplemented!();
+ }
+}
+
+// https://github.com/rust-lang/rust-clippy/issues/7487
+mod box_dyn {
+ use std::boxed::Box;
+ use std::rc::Rc;
+ use std::sync::Arc;
+
+ pub trait T {}
+
+ struct S {
+ a: Box<Box<dyn T>>,
+ b: Rc<Box<dyn T>>,
+ c: Arc<Box<dyn T>>,
+ }
+
+ pub fn test_box(_: Box<Box<dyn T>>) {}
+ pub fn test_rc(_: Rc<Box<dyn T>>) {}
+ pub fn test_arc(_: Arc<Box<dyn T>>) {}
+ pub fn test_rc_box(_: Rc<Box<Box<dyn T>>>) {}
+}
+
+// https://github.com/rust-lang/rust-clippy/issues/8604
+mod box_fat_ptr {
+ use std::boxed::Box;
+ use std::path::Path;
+ use std::rc::Rc;
+ use std::sync::Arc;
+
+ pub struct DynSized {
+ foo: [usize],
+ }
+
+ struct S {
+ a: Box<Box<str>>,
+ b: Rc<Box<str>>,
+ c: Arc<Box<str>>,
+
+ e: Box<Box<[usize]>>,
+ f: Box<Box<Path>>,
+ g: Box<Box<DynSized>>,
+ }
+
+ pub fn test_box_str(_: Box<Box<str>>) {}
+ pub fn test_rc_str(_: Rc<Box<str>>) {}
+ pub fn test_arc_str(_: Arc<Box<str>>) {}
+
+ pub fn test_box_slice(_: Box<Box<[usize]>>) {}
+ pub fn test_box_path(_: Box<Box<Path>>) {}
+ pub fn test_box_custom(_: Box<Box<DynSized>>) {}
+
+ pub fn test_rc_box_str(_: Rc<Box<Box<str>>>) {}
+ pub fn test_rc_box_slice(_: Rc<Box<Box<[usize]>>>) {}
+ pub fn test_rc_box_path(_: Rc<Box<Box<Path>>>) {}
+ pub fn test_rc_box_custom(_: Rc<Box<Box<DynSized>>>) {}
+}
+
+fn main() {}