From 1c9041478ce562596ab20587242f77e44e9949b0 Mon Sep 17 00:00:00 2001
From: NetterSilver <133535268+Silvertree2010@users.noreply.github.com>
Date: Sat, 24 Oct 2026 12:43:37 +0000
Subject: [PATCH] Keep FrameRate::from_f64 nonzero for tiny positive fps

Found while testing crates/time/src/lib.rs:201

Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
---
 crates/time/src/lib.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/crates/time/src/lib.rs b/crates/time/src/lib.rs
index 7a64a82bb..265c0c389 100644
--- a/crates/time/src/lib.rs
+++ b/crates/time/src/lib.rs
@@ -198,7 +198,9 @@ impl FrameRate {
                 return r;
             }
         }
-        FrameRate::new((fps * 1000.0).round() as i64, 1000)
+        let num = (fps * 1000.0).round() as i64;
+        // A tiny positive rate must not round to the invalid 0/1 rate.
+        FrameRate::new(if fps > 0.0 { num.max(1) } else { num }, 1000)
     }
 
     pub fn as_f64(self) -> f64 {
@@ -533,6 +535,12 @@ pub const SAMPLE_RATES: [i64; 6] = [32_000, 44_100, 48_000, 88_200, 96_000, 192_
 mod tests {
     use super::*;
 
+    #[test]
+    fn from_f64_tiny_positive_fps_is_nonzero() {
+        let r = FrameRate::from_f64(0.0001);
+        assert!(r.num > 0 && r.den > 0, "got {r:?}");
+    }
+
     #[test]
     fn frame_rate_constructors_accept_extreme_numbers() {
         assert_eq!(FrameRate::new(i64::MIN, 1), FrameRate { num: i64::MIN, den: 1 });