rust/tests/ui/self/self-re-assign.rs

//@ run-pass
// Ensure assigning an owned or managed variable to itself works. In particular,
// that we do not glue_drop before we glue_take (#3290).

#![allow(dead_code)]

use std::rc::Rc;

pub fn main() {
   let mut x: Box<_> = Box::new(3);
   x = x;
   assert_eq!(*x, 3);

   let mut x = Rc::new(3);
   x = x;
   assert_eq!(*x, 3);
}
Add `// run-pass` annotations to all the tests under `ui/run-pass/`. (I may have accidentally added it to some auxilliary crates as well; my emacs-macro-based methodology was pretty crude.) 2018-08-30 12:18:55 +00:00			`//@ run-pass`
Test ordering of glue_drop and glue_takew in self-re-assignment. Closes #3290. 2014-02-16 22:53:12 +00:00			`// Ensure assigning an owned or managed variable to itself works. In particular,`
			`// that we do not glue_drop before we glue_take (#3290).`

Warn about useless assignments of variables/fields to themselves 2021-07-14 13:34:28 +00:00			`#![allow(dead_code)]`
fallout: run-pass tests that use box. (many could be ported to `Box::new` instead in the future.) 2015-01-08 01:25:56 +00:00
Test ordering of glue_drop and glue_takew in self-re-assignment. Closes #3290. 2014-02-16 22:53:12 +00:00			`use std::rc::Rc;`

			`pub fn main() {`
Remove box syntax from most places in src/test outside of the issues dir 2021-08-25 00:39:40 +00:00			`let mut x: Box<_> = Box::new(3);`
Test ordering of glue_drop and glue_takew in self-re-assignment. Closes #3290. 2014-02-16 22:53:12 +00:00			`x = x;`
Use `assert_eq!` instead of `assert!` in tests 2015-06-07 18:00:38 +00:00			`assert_eq!(*x, 3);`
Test ordering of glue_drop and glue_takew in self-re-assignment. Closes #3290. 2014-02-16 22:53:12 +00:00
Remove all `i` suffixes 2015-01-25 21:05:03 +00:00			`let mut x = Rc::new(3);`
Test ordering of glue_drop and glue_takew in self-re-assignment. Closes #3290. 2014-02-16 22:53:12 +00:00			`x = x;`
Use `assert_eq!` instead of `assert!` in tests 2015-06-07 18:00:38 +00:00			`assert_eq!(*x, 3);`
Test ordering of glue_drop and glue_takew in self-re-assignment. Closes #3290. 2014-02-16 22:53:12 +00:00			`}`