mirror of https://github.com/rust-lang/rust
130 lines
4.1 KiB
Rust
130 lines
4.1 KiB
Rust
use std::any::Any;
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use std::process::ExitStatus;
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#[cfg(unix)]
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use std::os::unix::process::ExitStatusExt;
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use super::bench::BenchSamples;
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use super::options::ShouldPanic;
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use super::time;
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use super::types::TestDesc;
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pub use self::TestResult::*;
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// Return code for secondary process.
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// Start somewhere other than 0 so we know the return code means what we think
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// it means.
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pub const TR_OK: i32 = 50;
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// On Windows we use __fastfail to abort, which is documented to use this
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// exception code.
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#[cfg(windows)]
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const STATUS_ABORTED: i32 = 0xC0000409u32 as i32;
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#[derive(Debug, Clone, PartialEq)]
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pub enum TestResult {
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TrOk,
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TrFailed,
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TrFailedMsg(String),
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TrIgnored,
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TrBench(BenchSamples),
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TrTimedFail,
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}
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/// Creates a `TestResult` depending on the raw result of test execution
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/// and associated data.
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pub fn calc_result<'a>(
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desc: &TestDesc,
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task_result: Result<(), &'a (dyn Any + 'static + Send)>,
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time_opts: &Option<time::TestTimeOptions>,
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exec_time: &Option<time::TestExecTime>,
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) -> TestResult {
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let result = match (&desc.should_panic, task_result) {
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(&ShouldPanic::No, Ok(())) | (&ShouldPanic::Yes, Err(_)) => TestResult::TrOk,
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(&ShouldPanic::YesWithMessage(msg), Err(err)) => {
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let maybe_panic_str = err
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.downcast_ref::<String>()
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.map(|e| &**e)
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.or_else(|| err.downcast_ref::<&'static str>().copied());
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if maybe_panic_str.map(|e| e.contains(msg)).unwrap_or(false) {
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TestResult::TrOk
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} else if let Some(panic_str) = maybe_panic_str {
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TestResult::TrFailedMsg(format!(
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r#"panic did not contain expected string
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panic message: `{panic_str:?}`,
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expected substring: `{msg:?}`"#
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))
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} else {
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TestResult::TrFailedMsg(format!(
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r#"expected panic with string value,
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found non-string value: `{:?}`
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expected substring: `{:?}`"#,
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(*err).type_id(),
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msg
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))
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}
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}
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(&ShouldPanic::Yes, Ok(())) | (&ShouldPanic::YesWithMessage(_), Ok(())) => {
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TestResult::TrFailedMsg("test did not panic as expected".to_string())
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}
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_ => TestResult::TrFailed,
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};
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// If test is already failed (or allowed to fail), do not change the result.
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if result != TestResult::TrOk {
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return result;
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}
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// Check if test is failed due to timeout.
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if let (Some(opts), Some(time)) = (time_opts, exec_time) {
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if opts.error_on_excess && opts.is_critical(desc, time) {
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return TestResult::TrTimedFail;
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}
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}
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result
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}
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/// Creates a `TestResult` depending on the exit code of test subprocess.
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pub fn get_result_from_exit_code(
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desc: &TestDesc,
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status: ExitStatus,
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time_opts: &Option<time::TestTimeOptions>,
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exec_time: &Option<time::TestExecTime>,
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) -> TestResult {
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let result = match status.code() {
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Some(TR_OK) => TestResult::TrOk,
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#[cfg(windows)]
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Some(STATUS_ABORTED) => TestResult::TrFailed,
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#[cfg(unix)]
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None => match status.signal() {
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Some(libc::SIGABRT) => TestResult::TrFailed,
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Some(signal) => {
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TestResult::TrFailedMsg(format!("child process exited with signal {signal}"))
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}
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None => unreachable!("status.code() returned None but status.signal() was None"),
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},
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#[cfg(not(unix))]
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None => TestResult::TrFailedMsg(format!("unknown return code")),
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#[cfg(any(windows, unix))]
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Some(code) => TestResult::TrFailedMsg(format!("got unexpected return code {code}")),
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#[cfg(not(any(windows, unix)))]
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Some(_) => TestResult::TrFailed,
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};
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// If test is already failed (or allowed to fail), do not change the result.
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if result != TestResult::TrOk {
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return result;
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}
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// Check if test is failed due to timeout.
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if let (Some(opts), Some(time)) = (time_opts, exec_time) {
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if opts.error_on_excess && opts.is_critical(desc, time) {
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return TestResult::TrTimedFail;
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}
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}
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result
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}
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