b.Fatalf("Marshal error: %v", err)
			}
			if _, err := Marshal(dummy); err == nil {
				b.Fatal("Marshal error: got nil, want non-nil")
			}
		}
	}
}

func BenchmarkMarshalBytes(b *testing.B) {
	b.ReportAllocs()
	// 32 fits within encodeState.scratch.
	b.Run("32", benchMarshalBytes(32))
	// 256 doesn't fit in encodeState.scratch, but is small enough to