mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-22 06:44:35 +00:00
126 lines
4.6 KiB
Plaintext
126 lines
4.6 KiB
Plaintext
LL| |#![allow(unused_assignments)]
|
|
LL| |// failure-status: 1
|
|
LL| |
|
|
LL| 6|fn call(return_error: bool) -> Result<(), ()> {
|
|
LL| 6| if return_error {
|
|
LL| 1| Err(())
|
|
LL| | } else {
|
|
LL| 5| Ok(())
|
|
LL| | }
|
|
LL| 6|}
|
|
LL| |
|
|
LL| 1|fn test1() -> Result<(), ()> {
|
|
LL| 1| let mut
|
|
LL| 1| countdown = 10
|
|
LL| | ;
|
|
LL| | for
|
|
LL| | _
|
|
LL| | in
|
|
LL| 6| 0..10
|
|
LL| | {
|
|
LL| 6| countdown
|
|
LL| 6| -= 1
|
|
LL| 6| ;
|
|
LL| 6| if
|
|
LL| 6| countdown < 5
|
|
LL| | {
|
|
LL| 1| call(/*return_error=*/ true)?;
|
|
LL| 0| call(/*return_error=*/ false)?;
|
|
LL| | }
|
|
LL| | else
|
|
LL| | {
|
|
LL| 5| call(/*return_error=*/ false)?;
|
|
^0
|
|
LL| | }
|
|
LL| | }
|
|
LL| 0| Ok(())
|
|
LL| 1|}
|
|
LL| |
|
|
LL| |struct Thing1;
|
|
LL| |impl Thing1 {
|
|
LL| 18| fn get_thing_2(&self, return_error: bool) -> Result<Thing2, ()> {
|
|
LL| 18| if return_error {
|
|
LL| 1| Err(())
|
|
LL| | } else {
|
|
LL| 17| Ok(Thing2 {})
|
|
LL| | }
|
|
LL| 18| }
|
|
LL| |}
|
|
LL| |
|
|
LL| |struct Thing2;
|
|
LL| |impl Thing2 {
|
|
LL| 17| fn call(&self, return_error: bool) -> Result<u32, ()> {
|
|
LL| 17| if return_error {
|
|
LL| 2| Err(())
|
|
LL| | } else {
|
|
LL| 15| Ok(57)
|
|
LL| | }
|
|
LL| 17| }
|
|
LL| |}
|
|
LL| |
|
|
LL| 1|fn test2() -> Result<(), ()> {
|
|
LL| 1| let thing1 = Thing1{};
|
|
LL| 1| let mut
|
|
LL| 1| countdown = 10
|
|
LL| | ;
|
|
LL| | for
|
|
LL| | _
|
|
LL| | in
|
|
LL| 6| 0..10
|
|
LL| | {
|
|
LL| 6| countdown
|
|
LL| 6| -= 1
|
|
LL| 6| ;
|
|
LL| 6| if
|
|
LL| 6| countdown < 5
|
|
LL| | {
|
|
LL| 1| thing1.get_thing_2(/*err=*/ false)?.call(/*err=*/ true).expect_err("call should fail");
|
|
^0
|
|
LL| 1| thing1
|
|
LL| 1| .
|
|
LL| 1| get_thing_2(/*return_error=*/ false)
|
|
LL| 0| ?
|
|
LL| | .
|
|
LL| 1| call(/*return_error=*/ true)
|
|
LL| 1| .
|
|
LL| 1| expect_err(
|
|
LL| 1| "call should fail"
|
|
LL| 1| );
|
|
LL| 1| let val = thing1.get_thing_2(/*return_error=*/ true)?.call(/*return_error=*/ true)?;
|
|
^0 ^0 ^0
|
|
LL| 0| assert_eq!(val, 57);
|
|
LL| 0| let val = thing1.get_thing_2(/*return_error=*/ true)?.call(/*return_error=*/ false)?;
|
|
LL| 0| assert_eq!(val, 57);
|
|
LL| | }
|
|
LL| | else
|
|
LL| | {
|
|
LL| 5| let val = thing1.get_thing_2(/*return_error=*/ false)?.call(/*return_error=*/ false)?;
|
|
^0 ^0
|
|
LL| 5| assert_eq!(val, 57);
|
|
LL| 5| let val = thing1
|
|
LL| 5| .get_thing_2(/*return_error=*/ false)?
|
|
^0
|
|
LL| 5| .call(/*return_error=*/ false)?;
|
|
^0
|
|
LL| 5| assert_eq!(val, 57);
|
|
LL| 5| let val = thing1
|
|
LL| 5| .get_thing_2(/*return_error=*/ false)
|
|
LL| 0| ?
|
|
LL| 5| .call(/*return_error=*/ false)
|
|
LL| 0| ?
|
|
LL| | ;
|
|
LL| 5| assert_eq!(val, 57);
|
|
LL| | }
|
|
LL| | }
|
|
LL| 0| Ok(())
|
|
LL| 1|}
|
|
LL| |
|
|
LL| 1|fn main() -> Result<(), ()> {
|
|
LL| 1| test1().expect_err("test1 should fail");
|
|
LL| 1| test2()
|
|
LL| 1| ?
|
|
LL| | ;
|
|
LL| 0| Ok(())
|
|
LL| 1|}
|
|
|