From 2a50dc42c146cd89c58eaace7750961551b7aee8 Mon Sep 17 00:00:00 2001
From: Roy Ivy III <rivy.dev@gmail.com>
Date: Sun, 16 Aug 2020 13:38:22 -0500
Subject: [PATCH] tests ~ (sub-crate/factor) fix `divisor(0,0)` test of
 factor::numeric::gcd() with early value check and return (fixes #1587)

---
 src/uu/factor/src/numeric/gcd.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/uu/factor/src/numeric/gcd.rs b/src/uu/factor/src/numeric/gcd.rs
index ec72570ba..6273e788c 100644
--- a/src/uu/factor/src/numeric/gcd.rs
+++ b/src/uu/factor/src/numeric/gcd.rs
@@ -75,6 +75,7 @@ mod tests {
         fn divisor(a: u64, b: u64) -> bool {
             // Test that gcd(a, b) divides a and b
             let g = gcd(a, b);
+            if g == 0 { return a == 0 && b == 0; }
             a % g == 0 && b % g == 0
         }