b.ReportAllocs()
	// 32 fits within encodeState.scratch.
	b.Run("32", benchMarshalBytesError(32))
	// 256 doesn't fit in encodeState.scratch, but is small enough to
	// allocate and avoid the slower base64.NewEncoder.
	b.Run("256", benchMarshalBytesError(256))
	// 4096 is large enough that we want to avoid allocating for it.
	b.Run("4096", benchMarshalBytesError(4096))
}

func BenchmarkMarshalMap(b *testing.B) {
	b.ReportAllocs()