wip: roundN should be min 1

Author: not-matthias

testing/testing/benchmark.go

@@ -376,6 +376,12 @@ func (b *B) launch() {
 			rounds := 100 // TODO: Compute the rounds in a better way
 			roundN := benchN / int(rounds)
 
+			// Ensure roundN is at least 1 to prevent division by zero in BenchmarkResult printing
+			// when very slow benchmarks can't complete even 1 iteration per round
+			if roundN < 1 {
+				roundN = 1
+			}
+
 			for range rounds {
 				b.runN(int(roundN))
 			}