for i := 0; i < b.N; i++ {
		_ = t.Second()
	}
}

func BenchmarkDate(b *testing.B) {
	t := Now()
	for i := 0; i < b.N; i++ {
		_, _, _ = t.Date()
	}
}

func BenchmarkYear(b *testing.B) {
	t := Now()
	for i := 0; i < b.N; i++ {
		_ = t.Year()
	}
}

func BenchmarkYearDay(b *testing.B) {
	t := Now()
	for i := 0; i < b.N; i++ {
		_ = t.YearDay()
	}

	bucket := "ls-benchmark-bucket"
	// Create a bucket.
	err := obj.MakeBucket(context.Background(), bucket, MakeBucketOptions{})
	if err != nil {
		b.Fatal(err)
	}

	// Insert objects to be listed and benchmarked later.
	for i := 0; i < 20000; i++ {
		key := "obj" + strconv.Itoa(i)
		_, err = obj.PutObject(context.Background(), bucket, key, mustGetPutObjReader(b, bytes.NewBufferString(key), int64(len(key)), "", ""), ObjectOptions{})

// Global exported variables are used to store the
// return values of functions measured in the benchmarks.
// Storing the results in these variables prevents the compiler
// from completely optimizing the benchmarked functions away.
var (
	GlobalI int
	GlobalB bool
	GlobalF float64
)

func BenchmarkAcos(b *testing.B) {
	x := 0.0
	for i := 0; i < b.N; i++ {
		x = Acos(.5)
	}