From cf94bdc0742c13e2a0cac864c478b8626b266e1b Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:11:38 +0200
Subject: Merging upstream version 1.66.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 library/test/src/bench.rs | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

(limited to 'library/test/src/bench.rs')

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(|_| ())
 }
-- 
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