diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui-fulldeps/deriving-encodable-decodable-cell-refcell.rs | |
parent | Initial commit. (diff) | |
download | rustc-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/test/ui-fulldeps/deriving-encodable-decodable-cell-refcell.rs')
-rw-r--r-- | src/test/ui-fulldeps/deriving-encodable-decodable-cell-refcell.rs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/test/ui-fulldeps/deriving-encodable-decodable-cell-refcell.rs b/src/test/ui-fulldeps/deriving-encodable-decodable-cell-refcell.rs new file mode 100644 index 000000000..580c85f9b --- /dev/null +++ b/src/test/ui-fulldeps/deriving-encodable-decodable-cell-refcell.rs @@ -0,0 +1,39 @@ +// run-pass + +#![allow(unused_imports)] +// This briefly tests the capability of `Cell` and `RefCell` to implement the +// `Encodable` and `Decodable` traits via `#[derive(Encodable, Decodable)]` +#![feature(rustc_private)] + +extern crate rustc_macros; +extern crate rustc_serialize; + +use rustc_macros::{Decodable, Encodable}; +use rustc_serialize::opaque::{MemDecoder, MemEncoder}; +use rustc_serialize::{Decodable, Encodable, Encoder}; +use std::cell::{Cell, RefCell}; + +#[derive(Encodable, Decodable)] +struct A { + baz: isize, +} + +#[derive(Encodable, Decodable)] +struct B { + foo: Cell<bool>, + bar: RefCell<A>, +} + +fn main() { + let obj = B { foo: Cell::new(true), bar: RefCell::new(A { baz: 2 }) }; + + let mut encoder = MemEncoder::new(); + obj.encode(&mut encoder); + let data = encoder.finish(); + + let mut decoder = MemDecoder::new(&data, 0); + let obj2 = B::decode(&mut decoder); + + assert_eq!(obj.foo.get(), obj2.foo.get()); + assert_eq!(obj.bar.borrow().baz, obj2.bar.borrow().baz); +} |