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