Peek for panic message in test output

This commit is contained in:
Lukas Wirth 2024-04-19 13:18:30 +02:00
parent 6de838c255
commit 3b9a2af21f
9 changed files with 36 additions and 12 deletions

View file

@ -12,7 +12,7 @@ authors = ["rust-analyzer team"]
[profile.dev]
# Disabling debug info speeds up builds a bunch,
# and we don't rely on it for debugging that much.
debug = 1
debug = 0
[profile.dev.package]
# These speed up local tests.

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@ -428,6 +428,17 @@ impl MirEvalError {
}
Ok(())
}
pub fn is_panic(&self) -> Option<&str> {
let mut err = self;
while let MirEvalError::InFunction(e, _) = err {
err = e;
}
match err {
MirEvalError::Panic(msg) => Some(msg),
_ => None,
}
}
}
impl std::fmt::Debug for MirEvalError {

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@ -360,7 +360,7 @@ impl Evaluator<'_> {
))
};
}
let size = self.size_of_sized(&ty, locals, "begin panic arg")?;
let size = self.size_of_sized(ty, locals, "begin panic arg")?;
let pointee = arg.interval.get(self)?;
arg = IntervalAndTy {
interval: Interval::new(Address::from_bytes(pointee)?, size),

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@ -73,6 +73,13 @@ fn check_pass_and_stdio(ra_fixture: &str, expected_stdout: &str, expected_stderr
}
}
fn check_panic(ra_fixture: &str, expected_panic: &str) {
let (db, file_ids) = TestDB::with_many_files(ra_fixture);
let file_id = *file_ids.last().unwrap();
let e = eval_main(&db, file_id).unwrap_err();
assert_eq!(e.is_panic().unwrap_or_else(|| panic!("unexpected error: {:?}", e)), expected_panic);
}
#[test]
fn function_with_extern_c_abi() {
check_pass(
@ -96,13 +103,14 @@ fn panic_fmt() {
// -> core::panicking::const_panic_fmt
// -> #[rustc_const_panic_str] core::panicking::panic_display (hooked by CTFE for builtin panic)
// -> Err(ConstEvalError::Panic)
check_pass(
check_panic(
r#"
//- minicore: fmt, panic
fn main() {
panic!("hello, world!");
}
"#,
"hello, world!",
);
}
@ -112,7 +120,7 @@ fn panic_display() {
// -> panic_2021 (builtin macro redirection)
// -> #[rustc_const_panic_str] core::panicking::panic_display (hooked by CTFE for builtin panic)
// -> Err(ConstEvalError::Panic)
check_pass(
check_panic(
r#"
//- minicore: fmt, panic
@ -120,6 +128,7 @@ fn main() {
panic!("{}", "hello, world!");
}
"#,
"hello, world!",
);
}

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@ -293,6 +293,7 @@ fn minicore_smoke_test() {
// This should be ignored since we conditionally remove code which creates single item use with braces
config.disabled.insert("unused_braces".to_owned());
config.disabled.insert("unused_variables".to_owned());
config.disabled.insert("remove-unnecessary-else".to_owned());
check_diagnostics_with_config(config, &source);
}

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@ -7864,8 +7864,8 @@ impl Iterator for S {
file_id: FileId(
1,
),
full_range: 6290..6498,
focus_range: 6355..6361,
full_range: 7791..7999,
focus_range: 7856..7862,
name: "Future",
kind: Trait,
container_name: "future",
@ -7878,8 +7878,8 @@ impl Iterator for S {
file_id: FileId(
1,
),
full_range: 7128..7594,
focus_range: 7172..7180,
full_range: 8629..9095,
focus_range: 8673..8681,
name: "Iterator",
kind: Trait,
container_name: "iterator",

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@ -49,5 +49,5 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
<span class="keyword">let</span> <span class="variable declaration">foo</span> <span class="operator">=</span> <span class="enum_variant default_library library">Some</span><span class="parenthesis">(</span><span class="numeric_literal">92</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="variable declaration">nums</span> <span class="operator">=</span> <span class="module default_library library">iter</span><span class="operator">::</span><span class="function default_library library">repeat</span><span class="parenthesis">(</span><span class="variable">foo</span><span class="operator">.</span><span class="method consuming default_library library">unwrap</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="variable declaration">nums</span> <span class="operator">=</span> <span class="module default_library library">iter</span><span class="operator">::</span><span class="function default_library library">repeat</span><span class="parenthesis">(</span><span class="variable">foo</span><span class="operator">.</span><span class="method default_library library">unwrap</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="brace">}</span></code></pre>

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@ -158,9 +158,9 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="variable">ничоси</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="variable declaration macro">ничоси</span> <span class="operator macro">=</span> <span class="numeric_literal macro">92</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="variable">x</span><span class="format_specifier">?</span><span class="format_specifier">}</span><span class="string_literal macro"> </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> "</span><span class="comma macro">,</span> <span class="unresolved_reference macro">thingy</span><span class="comma macro">,</span> <span class="unresolved_reference macro">n2</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro default_library library">panic</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">0</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro default_library library">panic</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"{}"</span><span class="comma macro">,</span> <span class="numeric_literal macro">0</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro default_library library">panic</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"more </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro default_library library">assert</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="bool_literal macro">true</span><span class="comma macro">,</span> <span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro">"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro default_library library">assert</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="bool_literal macro">true</span><span class="comma macro">,</span> <span class="string_literal macro">"{}"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro default_library library">assert</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="bool_literal macro">true</span><span class="comma macro">,</span> <span class="string_literal macro">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal macro"> asdasd"</span><span class="comma macro">,</span> <span class="numeric_literal macro">1</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="macro">toho</span><span class="macro_bang">!</span><span class="parenthesis macro">(</span><span class="string_literal macro">"{}fmt"</span><span class="comma macro">,</span> <span class="numeric_literal macro">0</span><span class="parenthesis macro">)</span><span class="semicolon">;</span>
<span class="keyword">let</span> <span class="variable declaration">i</span><span class="colon">:</span> <span class="builtin_type">u64</span> <span class="operator">=</span> <span class="numeric_literal">3</span><span class="semicolon">;</span>

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@ -28,7 +28,7 @@
//! env: option
//! eq: sized
//! error: fmt
//! fmt: option, result, transmute, coerce_unsized
//! fmt: option, result, transmute, coerce_unsized, copy, clone, derive
//! fn:
//! from: sized
//! future: pin
@ -919,6 +919,7 @@ pub mod fmt {
type Opaque;
}
#[derive(Copy, Clone)]
#[lang = "format_argument"]
pub struct Argument<'a> {
value: &'a Opaque,
@ -986,6 +987,7 @@ pub mod fmt {
}
}
#[derive(Copy, Clone)]
#[lang = "format_arguments"]
pub struct Arguments<'a> {
pieces: &'a [&'static str],
@ -1421,6 +1423,7 @@ mod panicking {
}
// endregion:panic
#[macro_use]
mod macros {
// region:panic
#[macro_export]