diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:11:38 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:13:23 +0000 |
commit | 20431706a863f92cb37dc512fef6e48d192aaf2c (patch) | |
tree | 2867f13f5fd5437ba628c67d7f87309ccadcd286 /library/test | |
parent | Releasing progress-linux version 1.65.0+dfsg1-2~progress7.99u1. (diff) | |
download | rustc-20431706a863f92cb37dc512fef6e48d192aaf2c.tar.xz rustc-20431706a863f92cb37dc512fef6e48d192aaf2c.zip |
Merging upstream version 1.66.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/test')
-rw-r--r-- | library/test/src/bench.rs | 21 | ||||
-rw-r--r-- | library/test/src/cli.rs | 4 | ||||
-rw-r--r-- | library/test/src/console.rs | 2 | ||||
-rw-r--r-- | library/test/src/helpers/isatty.rs | 32 | ||||
-rw-r--r-- | library/test/src/helpers/mod.rs | 1 | ||||
-rw-r--r-- | library/test/src/lib.rs | 105 | ||||
-rw-r--r-- | library/test/src/term.rs | 2 | ||||
-rw-r--r-- | library/test/src/term/win.rs | 7 | ||||
-rw-r--r-- | library/test/src/tests.rs | 117 | ||||
-rw-r--r-- | library/test/src/types.rs | 15 |
10 files changed, 169 insertions, 137 deletions
diff --git a/library/test/src/bench.rs b/library/test/src/bench.rs index 7869ba2c0..23925e6ea 100644 --- a/library/test/src/bench.rs +++ b/library/test/src/bench.rs @@ -49,12 +49,12 @@ impl Bencher { self.summary = Some(iter(&mut inner)); } - pub fn bench<F>(&mut self, mut f: F) -> Option<stats::Summary> + pub fn bench<F>(&mut self, mut f: F) -> Result<Option<stats::Summary>, String> where - F: FnMut(&mut Bencher), + F: FnMut(&mut Bencher) -> Result<(), String>, { - f(self); - self.summary + let result = f(self); + result.map(|_| self.summary) } } @@ -195,7 +195,7 @@ pub fn benchmark<F>( nocapture: bool, f: F, ) where - F: FnMut(&mut Bencher), + F: FnMut(&mut Bencher) -> Result<(), String>, { let mut bs = Bencher { mode: BenchMode::Auto, summary: None, bytes: 0 }; @@ -211,14 +211,14 @@ pub fn benchmark<F>( let test_result = match result { //bs.bench(f) { - Ok(Some(ns_iter_summ)) => { + Ok(Ok(Some(ns_iter_summ))) => { let ns_iter = cmp::max(ns_iter_summ.median as u64, 1); let mb_s = bs.bytes * 1000 / ns_iter; let bs = BenchSamples { ns_iter_summ, mb_s: mb_s as usize }; TestResult::TrBench(bs) } - Ok(None) => { + Ok(Ok(None)) => { // iter not called, so no data. // FIXME: error in this case? let samples: &mut [f64] = &mut [0.0_f64; 1]; @@ -226,6 +226,7 @@ pub fn benchmark<F>( TestResult::TrBench(bs) } Err(_) => TestResult::TrFailed, + Ok(Err(_)) => TestResult::TrFailed, }; let stdout = data.lock().unwrap().to_vec(); @@ -233,10 +234,10 @@ pub fn benchmark<F>( monitor_ch.send(message).unwrap(); } -pub fn run_once<F>(f: F) +pub fn run_once<F>(f: F) -> Result<(), String> where - F: FnMut(&mut Bencher), + F: FnMut(&mut Bencher) -> Result<(), String>, { let mut bs = Bencher { mode: BenchMode::Single, summary: None, bytes: 0 }; - bs.bench(f); + bs.bench(f).map(|_| ()) } diff --git a/library/test/src/cli.rs b/library/test/src/cli.rs index f981b9c49..8be32183f 100644 --- a/library/test/src/cli.rs +++ b/library/test/src/cli.rs @@ -3,9 +3,9 @@ use std::env; use std::path::PathBuf; -use super::helpers::isatty; use super::options::{ColorConfig, Options, OutputFormat, RunIgnored}; use super::time::TestTimeOptions; +use std::io::{self, IsTerminal}; #[derive(Debug)] pub struct TestOpts { @@ -32,7 +32,7 @@ pub struct TestOpts { impl TestOpts { pub fn use_color(&self) -> bool { match self.color { - ColorConfig::AutoColor => !self.nocapture && isatty::stdout_isatty(), + ColorConfig::AutoColor => !self.nocapture && io::stdout().is_terminal(), ColorConfig::AlwaysColor => true, ColorConfig::NeverColor => false, } diff --git a/library/test/src/console.rs b/library/test/src/console.rs index e9dda9896..b1270c272 100644 --- a/library/test/src/console.rs +++ b/library/test/src/console.rs @@ -147,7 +147,7 @@ pub fn list_tests_console(opts: &TestOpts, tests: Vec<TestDescAndFn>) -> io::Res let mut ntest = 0; let mut nbench = 0; - for test in filter_tests(&opts, tests) { + for test in filter_tests(&opts, tests).into_iter() { use crate::TestFn::*; let TestDescAndFn { desc: TestDesc { name, .. }, testfn } = test; diff --git a/library/test/src/helpers/isatty.rs b/library/test/src/helpers/isatty.rs deleted file mode 100644 index 874ecc376..000000000 --- a/library/test/src/helpers/isatty.rs +++ /dev/null @@ -1,32 +0,0 @@ -//! Helper module which provides a function to test -//! if stdout is a tty. - -cfg_if::cfg_if! { - if #[cfg(unix)] { - pub fn stdout_isatty() -> bool { - unsafe { libc::isatty(libc::STDOUT_FILENO) != 0 } - } - } else if #[cfg(windows)] { - pub fn stdout_isatty() -> bool { - type DWORD = u32; - type BOOL = i32; - type HANDLE = *mut u8; - type LPDWORD = *mut u32; - const STD_OUTPUT_HANDLE: DWORD = -11i32 as DWORD; - extern "system" { - fn GetStdHandle(which: DWORD) -> HANDLE; - fn GetConsoleMode(hConsoleHandle: HANDLE, lpMode: LPDWORD) -> BOOL; - } - unsafe { - let handle = GetStdHandle(STD_OUTPUT_HANDLE); - let mut out = 0; - GetConsoleMode(handle, &mut out) != 0 - } - } - } else { - // FIXME: Implement isatty on SGX - pub fn stdout_isatty() -> bool { - false - } - } -} diff --git a/library/test/src/helpers/mod.rs b/library/test/src/helpers/mod.rs index 049cadf86..6f366a911 100644 --- a/library/test/src/helpers/mod.rs +++ b/library/test/src/helpers/mod.rs @@ -3,6 +3,5 @@ pub mod concurrency; pub mod exit_code; -pub mod isatty; pub mod metrics; pub mod shuffle; diff --git a/library/test/src/lib.rs b/library/test/src/lib.rs index 3b7193adc..141f16d17 100644 --- a/library/test/src/lib.rs +++ b/library/test/src/lib.rs @@ -6,7 +6,8 @@ //! benchmarks themselves) should be done via the `#[test]` and //! `#[bench]` attributes. //! -//! See the [Testing Chapter](../book/ch11-00-testing.html) of the book for more details. +//! See the [Testing Chapter](../book/ch11-00-testing.html) of the book for more +//! details. // Currently, not much of this is meant for users. It is intended to // support the simplest interface possible for representing and @@ -15,10 +16,11 @@ #![unstable(feature = "test", issue = "50297")] #![doc(test(attr(deny(warnings))))] -#![feature(bench_black_box)] #![feature(internal_output_capture)] +#![feature(is_terminal)] #![feature(staged_api)] #![feature(process_exitcode_internals)] +#![feature(panic_can_unwind)] #![feature(test)] // Public reexports @@ -53,6 +55,7 @@ use std::{ collections::VecDeque, env, io, io::prelude::Write, + mem::ManuallyDrop, panic::{self, catch_unwind, AssertUnwindSafe, PanicInfo}, process::{self, Command, Termination}, sync::mpsc::{channel, Sender}, @@ -77,6 +80,7 @@ mod types; #[cfg(test)] mod tests; +use core::any::Any; use event::{CompletedTest, TestEvent}; use helpers::concurrency::get_concurrency; use helpers::exit_code::get_exit_code; @@ -110,6 +114,29 @@ pub fn test_main(args: &[String], tests: Vec<TestDescAndFn>, options: Option<Opt process::exit(ERROR_EXIT_CODE); } } else { + if !opts.nocapture { + // If we encounter a non-unwinding panic, flush any captured output from the current test, + // and stop capturing output to ensure that the non-unwinding panic message is visible. + // We also acquire the locks for both output streams to prevent output from other threads + // from interleaving with the panic message or appearing after it. + let builtin_panic_hook = panic::take_hook(); + let hook = Box::new({ + move |info: &'_ PanicInfo<'_>| { + if !info.can_unwind() { + std::mem::forget(std::io::stderr().lock()); + let mut stdout = ManuallyDrop::new(std::io::stdout().lock()); + if let Some(captured) = io::set_output_capture(None) { + if let Ok(data) = captured.lock() { + let _ = stdout.write_all(&data); + let _ = stdout.flush(); + } + } + } + builtin_panic_hook(info); + } + }); + panic::set_hook(hook); + } match console::run_tests_console(&opts, tests) { Ok(true) => {} Ok(false) => process::exit(ERROR_EXIT_CODE), @@ -176,17 +203,20 @@ fn make_owned_test(test: &&TestDescAndFn) -> TestDescAndFn { } } -/// Invoked when unit tests terminate. Should panic if the unit -/// Tests is considered a failure. By default, invokes `report()` -/// and checks for a `0` result. -pub fn assert_test_result<T: Termination>(result: T) { +/// Invoked when unit tests terminate. Returns `Result::Err` if the test is +/// considered a failure. By default, invokes `report() and checks for a `0` +/// result. +pub fn assert_test_result<T: Termination>(result: T) -> Result<(), String> { let code = result.report().to_i32(); - assert_eq!( - code, 0, - "the test returned a termination value with a non-zero status code ({}) \ - which indicates a failure", - code - ); + if code == 0 { + Ok(()) + } else { + Err(format!( + "the test returned a termination value with a non-zero status code \ + ({}) which indicates a failure", + code + )) + } } pub fn run_tests<F>( @@ -242,7 +272,7 @@ where let event = TestEvent::TeFiltered(filtered_descs, shuffle_seed); notify_about_test_event(event)?; - let (filtered_tests, filtered_benchs): (Vec<_>, _) = filtered_tests + let (mut filtered_tests, filtered_benchs): (Vec<_>, _) = filtered_tests .into_iter() .enumerate() .map(|(i, e)| (TestId(i), e)) @@ -250,12 +280,12 @@ where let concurrency = opts.test_threads.unwrap_or_else(get_concurrency); - let mut remaining = filtered_tests; if let Some(shuffle_seed) = shuffle_seed { - shuffle_tests(shuffle_seed, &mut remaining); - } else { - remaining.reverse(); + shuffle_tests(shuffle_seed, &mut filtered_tests); } + // Store the tests in a VecDeque so we can efficiently remove the first element to run the + // tests in the order they were passed (unless shuffled). + let mut remaining = VecDeque::from(filtered_tests); let mut pending = 0; let (tx, rx) = channel::<CompletedTest>(); @@ -295,7 +325,7 @@ where if concurrency == 1 { while !remaining.is_empty() { - let (id, test) = remaining.pop().unwrap(); + let (id, test) = remaining.pop_front().unwrap(); let event = TestEvent::TeWait(test.desc.clone()); notify_about_test_event(event)?; let join_handle = @@ -309,7 +339,7 @@ where } else { while pending > 0 || !remaining.is_empty() { while pending < concurrency && !remaining.is_empty() { - let (id, test) = remaining.pop().unwrap(); + let (id, test) = remaining.pop_front().unwrap(); let timeout = time::get_default_test_timeout(); let desc = test.desc.clone(); @@ -421,9 +451,6 @@ pub fn filter_tests(opts: &TestOpts, tests: Vec<TestDescAndFn>) -> Vec<TestDescA RunIgnored::No => {} } - // Sort the tests alphabetically - filtered.sort_by(|t1, t2| t1.desc.name.as_slice().cmp(t2.desc.name.as_slice())); - filtered } @@ -479,7 +506,7 @@ pub fn run_test( id: TestId, desc: TestDesc, monitor_ch: Sender<CompletedTest>, - testfn: Box<dyn FnOnce() + Send>, + testfn: Box<dyn FnOnce() -> Result<(), String> + Send>, opts: TestRunOpts, ) -> Option<thread::JoinHandle<()>> { let concurrency = opts.concurrency; @@ -568,11 +595,11 @@ pub fn run_test( /// Fixed frame used to clean the backtrace with `RUST_BACKTRACE=1`. #[inline(never)] -fn __rust_begin_short_backtrace<F: FnOnce()>(f: F) { - f(); +fn __rust_begin_short_backtrace<T, F: FnOnce() -> T>(f: F) -> T { + let result = f(); // prevent this frame from being tail-call optimised away - black_box(()); + black_box(result) } fn run_test_in_process( @@ -580,7 +607,7 @@ fn run_test_in_process( desc: TestDesc, nocapture: bool, report_time: bool, - testfn: Box<dyn FnOnce() + Send>, + testfn: Box<dyn FnOnce() -> Result<(), String> + Send>, monitor_ch: Sender<CompletedTest>, time_opts: Option<time::TestTimeOptions>, ) { @@ -592,7 +619,7 @@ fn run_test_in_process( } let start = report_time.then(Instant::now); - let result = catch_unwind(AssertUnwindSafe(testfn)); + let result = fold_err(catch_unwind(AssertUnwindSafe(testfn))); let exec_time = start.map(|start| { let duration = start.elapsed(); TestExecTime(duration) @@ -609,6 +636,19 @@ fn run_test_in_process( monitor_ch.send(message).unwrap(); } +fn fold_err<T, E>( + result: Result<Result<T, E>, Box<dyn Any + Send>>, +) -> Result<T, Box<dyn Any + Send>> +where + E: Send + 'static, +{ + match result { + Ok(Err(e)) => Err(Box::new(e)), + Ok(Ok(v)) => Ok(v), + Err(e) => Err(e), + } +} + fn spawn_test_subprocess( id: TestId, desc: TestDesc, @@ -664,7 +704,10 @@ fn spawn_test_subprocess( monitor_ch.send(message).unwrap(); } -fn run_test_in_spawned_subprocess(desc: TestDesc, testfn: Box<dyn FnOnce() + Send>) -> ! { +fn run_test_in_spawned_subprocess( + desc: TestDesc, + testfn: Box<dyn FnOnce() -> Result<(), String> + Send>, +) -> ! { let builtin_panic_hook = panic::take_hook(); let record_result = Arc::new(move |panic_info: Option<&'_ PanicInfo<'_>>| { let test_result = match panic_info { @@ -690,7 +733,9 @@ fn run_test_in_spawned_subprocess(desc: TestDesc, testfn: Box<dyn FnOnce() + Sen }); let record_result2 = record_result.clone(); panic::set_hook(Box::new(move |info| record_result2(Some(&info)))); - testfn(); + if let Err(message) = testfn() { + panic!("{}", message); + } record_result(None); unreachable!("panic=abort callback should have exited the process") } diff --git a/library/test/src/term.rs b/library/test/src/term.rs index b256ab7b8..a14b0d4f5 100644 --- a/library/test/src/term.rs +++ b/library/test/src/term.rs @@ -39,7 +39,7 @@ pub(crate) fn stdout() -> Option<Box<StdoutTerminal>> { pub(crate) fn stdout() -> Option<Box<StdoutTerminal>> { TerminfoTerminal::new(io::stdout()) .map(|t| Box::new(t) as Box<StdoutTerminal>) - .or_else(|| WinConsole::new(io::stdout()).ok().map(|t| Box::new(t) as Box<StdoutTerminal>)) + .or_else(|| Some(Box::new(WinConsole::new(io::stdout())) as Box<StdoutTerminal>)) } /// Terminal color definitions diff --git a/library/test/src/term/win.rs b/library/test/src/term/win.rs index 4bdbd6ee7..55020141a 100644 --- a/library/test/src/term/win.rs +++ b/library/test/src/term/win.rs @@ -113,8 +113,7 @@ impl<T: Write + Send + 'static> WinConsole<T> { } } - /// Returns `None` whenever the terminal cannot be created for some reason. - pub(crate) fn new(out: T) -> io::Result<WinConsole<T>> { + pub(crate) fn new(out: T) -> WinConsole<T> { use std::mem::MaybeUninit; let fg; @@ -132,13 +131,13 @@ impl<T: Write + Send + 'static> WinConsole<T> { bg = color::BLACK; } } - Ok(WinConsole { + WinConsole { buf: out, def_foreground: fg, def_background: bg, foreground: fg, background: bg, - }) + } } } diff --git a/library/test/src/tests.rs b/library/test/src/tests.rs index 0b81aff59..b54be64ef 100644 --- a/library/test/src/tests.rs +++ b/library/test/src/tests.rs @@ -67,7 +67,7 @@ fn one_ignored_one_unignored_test() -> Vec<TestDescAndFn> { no_run: false, test_type: TestType::Unknown, }, - testfn: DynTestFn(Box::new(move || {})), + testfn: DynTestFn(Box::new(move || Ok(()))), }, TestDescAndFn { desc: TestDesc { @@ -79,14 +79,14 @@ fn one_ignored_one_unignored_test() -> Vec<TestDescAndFn> { no_run: false, test_type: TestType::Unknown, }, - testfn: DynTestFn(Box::new(move || {})), + testfn: DynTestFn(Box::new(move || Ok(()))), }, ] } #[test] pub fn do_not_run_ignored_tests() { - fn f() { + fn f() -> Result<(), String> { panic!(); } let desc = TestDescAndFn { @@ -109,7 +109,9 @@ pub fn do_not_run_ignored_tests() { #[test] pub fn ignored_tests_result_in_ignored() { - fn f() {} + fn f() -> Result<(), String> { + Ok(()) + } let desc = TestDescAndFn { desc: TestDesc { name: StaticTestName("whatever"), @@ -132,7 +134,7 @@ pub fn ignored_tests_result_in_ignored() { #[test] #[cfg(not(target_os = "emscripten"))] fn test_should_panic() { - fn f() { + fn f() -> Result<(), String> { panic!(); } let desc = TestDescAndFn { @@ -157,7 +159,7 @@ fn test_should_panic() { #[test] #[cfg(not(target_os = "emscripten"))] fn test_should_panic_good_message() { - fn f() { + fn f() -> Result<(), String> { panic!("an error message"); } let desc = TestDescAndFn { @@ -183,7 +185,7 @@ fn test_should_panic_good_message() { #[cfg(not(target_os = "emscripten"))] fn test_should_panic_bad_message() { use crate::tests::TrFailedMsg; - fn f() { + fn f() -> Result<(), String> { panic!("an error message"); } let expected = "foobar"; @@ -214,7 +216,7 @@ fn test_should_panic_bad_message() { fn test_should_panic_non_string_message_type() { use crate::tests::TrFailedMsg; use std::any::TypeId; - fn f() { + fn f() -> Result<(), String> { std::panic::panic_any(1i32); } let expected = "foobar"; @@ -249,7 +251,9 @@ fn test_should_panic_but_succeeds() { let should_panic_variants = [ShouldPanic::Yes, ShouldPanic::YesWithMessage("error message")]; for &should_panic in should_panic_variants.iter() { - fn f() {} + fn f() -> Result<(), String> { + Ok(()) + } let desc = TestDescAndFn { desc: TestDesc { name: StaticTestName("whatever"), @@ -283,7 +287,9 @@ fn test_should_panic_but_succeeds() { } fn report_time_test_template(report_time: bool) -> Option<TestExecTime> { - fn f() {} + fn f() -> Result<(), String> { + Ok(()) + } let desc = TestDescAndFn { desc: TestDesc { name: StaticTestName("whatever"), @@ -318,7 +324,9 @@ fn test_should_report_time() { } fn time_test_failure_template(test_type: TestType) -> TestResult { - fn f() {} + fn f() -> Result<(), String> { + Ok(()) + } let desc = TestDescAndFn { desc: TestDesc { name: StaticTestName("whatever"), @@ -480,7 +488,7 @@ pub fn exclude_should_panic_option() { no_run: false, test_type: TestType::Unknown, }, - testfn: DynTestFn(Box::new(move || {})), + testfn: DynTestFn(Box::new(move || Ok(()))), }); let filtered = filter_tests(&opts, tests); @@ -504,7 +512,7 @@ pub fn exact_filter_match() { no_run: false, test_type: TestType::Unknown, }, - testfn: DynTestFn(Box::new(move || {})), + testfn: DynTestFn(Box::new(move || Ok(()))), }) .collect() } @@ -580,7 +588,9 @@ fn sample_tests() -> Vec<TestDescAndFn> { "test::run_include_ignored_option".to_string(), "test::sort_tests".to_string(), ]; - fn testfn() {} + fn testfn() -> Result<(), String> { + Ok(()) + } let mut tests = Vec::new(); for name in &names { let test = TestDescAndFn { @@ -601,33 +611,6 @@ fn sample_tests() -> Vec<TestDescAndFn> { } #[test] -pub fn sort_tests() { - let mut opts = TestOpts::new(); - opts.run_tests = true; - - let tests = sample_tests(); - let filtered = filter_tests(&opts, tests); - - let expected = vec![ - "isize::test_pow".to_string(), - "isize::test_to_str".to_string(), - "sha1::test".to_string(), - "test::do_not_run_ignored_tests".to_string(), - "test::filter_for_ignored_option".to_string(), - "test::first_free_arg_should_be_a_filter".to_string(), - "test::ignored_tests_result_in_ignored".to_string(), - "test::parse_ignored_flag".to_string(), - "test::parse_include_ignored_flag".to_string(), - "test::run_include_ignored_option".to_string(), - "test::sort_tests".to_string(), - ]; - - for (a, b) in expected.iter().zip(filtered) { - assert_eq!(*a, b.desc.name.to_string()); - } -} - -#[test] pub fn shuffle_tests() { let mut opts = TestOpts::new(); opts.shuffle = true; @@ -717,21 +700,26 @@ pub fn test_metricmap_compare() { #[test] pub fn test_bench_once_no_iter() { - fn f(_: &mut Bencher) {} - bench::run_once(f); + fn f(_: &mut Bencher) -> Result<(), String> { + Ok(()) + } + bench::run_once(f).unwrap(); } #[test] pub fn test_bench_once_iter() { - fn f(b: &mut Bencher) { - b.iter(|| {}) + fn f(b: &mut Bencher) -> Result<(), String> { + b.iter(|| {}); + Ok(()) } - bench::run_once(f); + bench::run_once(f).unwrap(); } #[test] pub fn test_bench_no_iter() { - fn f(_: &mut Bencher) {} + fn f(_: &mut Bencher) -> Result<(), String> { + Ok(()) + } let (tx, rx) = channel(); @@ -751,8 +739,9 @@ pub fn test_bench_no_iter() { #[test] pub fn test_bench_iter() { - fn f(b: &mut Bencher) { - b.iter(|| {}) + fn f(b: &mut Bencher) -> Result<(), String> { + b.iter(|| {}); + Ok(()) } let (tx, rx) = channel(); @@ -821,3 +810,33 @@ fn should_sort_failures_before_printing_them() { let bpos = s.find("b").unwrap(); assert!(apos < bpos); } + +#[test] +#[cfg(not(target_os = "emscripten"))] +fn test_dyn_bench_returning_err_fails_when_run_as_test() { + fn f(_: &mut Bencher) -> Result<(), String> { + Result::Err("An error".into()) + } + let desc = TestDescAndFn { + desc: TestDesc { + name: StaticTestName("whatever"), + ignore: false, + ignore_message: None, + should_panic: ShouldPanic::No, + compile_fail: false, + no_run: false, + test_type: TestType::Unknown, + }, + testfn: DynBenchFn(Box::new(f)), + }; + let (tx, rx) = channel(); + let notify = move |event: TestEvent| { + if let TestEvent::TeResult(result) = event { + tx.send(result).unwrap(); + } + Ok(()) + }; + run_tests(&TestOpts { run_tests: true, ..TestOpts::new() }, vec![desc], notify).unwrap(); + let result = rx.recv().unwrap().result; + assert_eq!(result, TrFailed); +} diff --git a/library/test/src/types.rs b/library/test/src/types.rs index ffb1efe18..888afff79 100644 --- a/library/test/src/types.rs +++ b/library/test/src/types.rs @@ -75,14 +75,15 @@ impl fmt::Display for TestName { } // A function that runs a test. If the function returns successfully, -// the test succeeds; if the function panics then the test fails. We -// may need to come up with a more clever definition of test in order -// to support isolation of tests into threads. +// the test succeeds; if the function panics or returns Result::Err +// then the test fails. We may need to come up with a more clever +// definition of test in order to support isolation of tests into +// threads. pub enum TestFn { - StaticTestFn(fn()), - StaticBenchFn(fn(&mut Bencher)), - DynTestFn(Box<dyn FnOnce() + Send>), - DynBenchFn(Box<dyn Fn(&mut Bencher) + Send>), + StaticTestFn(fn() -> Result<(), String>), + StaticBenchFn(fn(&mut Bencher) -> Result<(), String>), + DynTestFn(Box<dyn FnOnce() -> Result<(), String> + Send>), + DynBenchFn(Box<dyn Fn(&mut Bencher) -> Result<(), String> + Send>), } impl TestFn { |