| // run-pass |
| // ignore-wasm32-bare compiled with panic=abort by default |
| |
| #![feature(option_expect_none, option_unwrap_none)] |
| #![allow(unconditional_panic)] |
| |
| //! Test that panic locations for `#[track_caller]` functions in std have the correct |
| //! location reported. |
| |
| use std::collections::{BTreeMap, HashMap, VecDeque}; |
| use std::ops::{Index, IndexMut}; |
| |
| fn main() { |
| // inspect the `PanicInfo` we receive to ensure the right file is the source |
| std::panic::set_hook(Box::new(|info| { |
| let actual = info.location().unwrap(); |
| if actual.file() != file!() { |
| eprintln!("expected a location in the test file, found {:?}", actual); |
| panic!(); |
| } |
| })); |
| |
| fn assert_panicked(f: impl FnOnce() + std::panic::UnwindSafe) { |
| std::panic::catch_unwind(f).unwrap_err(); |
| } |
| |
| let nope: Option<()> = None; |
| assert_panicked(|| nope.unwrap()); |
| assert_panicked(|| nope.expect("")); |
| |
| let yep: Option<()> = Some(()); |
| assert_panicked(|| yep.unwrap_none()); |
| assert_panicked(|| yep.expect_none("")); |
| |
| let oops: Result<(), ()> = Err(()); |
| assert_panicked(|| oops.unwrap()); |
| assert_panicked(|| oops.expect("")); |
| |
| let fine: Result<(), ()> = Ok(()); |
| assert_panicked(|| fine.unwrap_err()); |
| assert_panicked(|| fine.expect_err("")); |
| |
| let mut small = [0]; // the implementation backing str, vec, etc |
| assert_panicked(move || { small.index(1); }); |
| assert_panicked(move || { small[1]; }); |
| assert_panicked(move || { small.index_mut(1); }); |
| assert_panicked(move || { small[1] += 1; }); |
| |
| let sorted: BTreeMap<bool, bool> = Default::default(); |
| assert_panicked(|| { sorted.index(&false); }); |
| assert_panicked(|| { sorted[&false]; }); |
| |
| let unsorted: HashMap<bool, bool> = Default::default(); |
| assert_panicked(|| { unsorted.index(&false); }); |
| assert_panicked(|| { unsorted[&false]; }); |
| |
| let weirdo: VecDeque<()> = Default::default(); |
| assert_panicked(|| { weirdo.index(1); }); |
| assert_panicked(|| { weirdo[1]; }); |
| } |