From 45a1408fb066533c30646764eee5efd68fc07382 Mon Sep 17 00:00:00 2001
From: nicoo <nicoo@debian.org>
Date: Fri, 19 Jun 2020 15:28:01 +0200
Subject: [PATCH] =?UTF-8?q?fixup!=20factor:=20Add=20test=20exhibiting=20a?=
 =?UTF-8?q?=20bug=20in=20=CF=81?=
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---
 src/uu/factor/src/factor.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/uu/factor/src/factor.rs b/src/uu/factor/src/factor.rs
index f10198ca2..3ba471d73 100644
--- a/src/uu/factor/src/factor.rs
+++ b/src/uu/factor/src/factor.rs
@@ -159,8 +159,13 @@ mod tests {
 
     #[test]
     fn factor_recombines_strong_pseudoprime() {
+        // This is a strong pseudoprime (wrt. miller_rabin::BASIS)
+        //  and triggered a bug in rho::factor's codepath handling
+        //  miller_rabbin::Result::Composite
         let pseudoprime = 17179869183;
         for _ in 0..20 {
+            // Repeat the test 20 times, as it only fails some fraction
+            // of the time.
             assert!(factor(pseudoprime).product() == pseudoprime);
         }
     }