diff options
Diffstat (limited to 'tests/ui/rfc-2361-dbg-macro/dbg-macro-expected-behavior.rs')
-rw-r--r-- | tests/ui/rfc-2361-dbg-macro/dbg-macro-expected-behavior.rs | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/tests/ui/rfc-2361-dbg-macro/dbg-macro-expected-behavior.rs b/tests/ui/rfc-2361-dbg-macro/dbg-macro-expected-behavior.rs deleted file mode 100644 index 542be3942..000000000 --- a/tests/ui/rfc-2361-dbg-macro/dbg-macro-expected-behavior.rs +++ /dev/null @@ -1,69 +0,0 @@ -// run-pass -// check-run-results - -// Tests ensuring that `dbg!(expr)` has the expected run-time behavior. -// as well as some compile time properties we expect. - -#![allow(dropping_copy_types)] - -#[derive(Copy, Clone, Debug)] -struct Unit; - -#[derive(Copy, Clone, Debug, PartialEq)] -struct Point<T> { - x: T, - y: T, -} - -#[derive(Debug, PartialEq)] -struct NoCopy(usize); - -fn main() { - let a: Unit = dbg!(Unit); - let _: Unit = dbg!(a); - // We can move `a` because it's Copy. - drop(a); - - // `Point<T>` will be faithfully formatted according to `{:#?}`. - let a = Point { x: 42, y: 24 }; - let b: Point<u8> = dbg!(Point { x: 42, y: 24 }); // test stringify!(..) - let c: Point<u8> = dbg!(b); - // Identity conversion: - assert_eq!(a, b); - assert_eq!(a, c); - // We can move `b` because it's Copy. - drop(b); - - // Without parameters works as expected. - let _: () = dbg!(); - - // Test that we can borrow and that successive applications is still identity. - let a = NoCopy(1337); - let b: &NoCopy = dbg!(dbg!(&a)); - assert_eq!(&a, b); - - // Test involving lifetimes of temporaries: - fn f<'a>(x: &'a u8) -> &'a u8 { x } - let a: &u8 = dbg!(f(&42)); - assert_eq!(a, &42); - - // Test side effects: - let mut foo = 41; - assert_eq!(7331, dbg!({ - foo += 1; - eprintln!("before"); - 7331 - })); - assert_eq!(foo, 42); - - // Test trailing comma: - assert_eq!(("Yeah",), dbg!(("Yeah",))); - - // Test multiple arguments: - assert_eq!((1u8, 2u32), dbg!(1, - 2)); - - // Test multiple arguments + trailing comma: - assert_eq!((1u8, 2u32, "Yeah"), dbg!(1u8, 2u32, - "Yeah",)); -} |