diff --git a/ClumsyPilot/tests/verify_path_smoothing_bspline.ps1 b/ClumsyPilot/tests/verify_path_smoothing_bspline.ps1
index 1dd75a2..8de3f8d 100644
--- a/ClumsyPilot/tests/verify_path_smoothing_bspline.ps1
+++ b/ClumsyPilot/tests/verify_path_smoothing_bspline.ps1
@@ -202,6 +202,11 @@ foreach ($point in $cornerPoints) {
     Assert-True ((Get-DistanceToPolyline $point $cornerSource) -le ($allowedRadius + 0.000000001)) 'Every B-spline displacement must stay inside the per-anchor clearance reserve radius.'
 }
 
+# A 0.035 m reserve radius must reject this corner by its parameter-matched source reference,
+# even though the candidate's nearest-polyline distance is smaller than 0.035 m.
+$parameterMatchedReserveCandidate = Invoke-Candidate @((New-DirectionSegment 0 $forward $cornerSource)) 0.045
+Assert-True (-not (Get-PropertyValue $parameterMatchedReserveCandidate 'Succeeded')) 'A medium reserve must reject B-spline geometry that exceeds its parameter-matched movement radius.'
+
 # A tight reserve may not publish an evaluated B-spline that leaves its 0.005 m movement radius.
 $tightReserveCandidate = Invoke-Candidate @((New-DirectionSegment 0 $forward $cornerSource)) 0.075