package bandwidth

import (
	"log"
	"testing"
	"time"
)

func init() {
	log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)
}

func validate(t *testing.T, actual, expected []float64) {
	if len(actual) != len(expected) {
		t.Errorf("len is not same: %d expected %d", len(actual), len(expected))
	}
	for i, _ := range actual {
		if actual[i] != expected[i] {
			t.Errorf("%dth: got %f expected %f", i, actual[i], expected[i])
		}
	}
}

func TestEmpty(t *testing.T) {
	bw, err := NewBandwidth([]int{1, 10, 60}, 100*time.Millisecond)
	if err != nil {
		t.Error(err)
	}
	go bw.Run()
	bw.rxstream = []int{1, 10, 60}
	validate(t, <-bw.Rx, []float64{})
}

func TestEmptySeconds(t *testing.T) {
	_, err := NewBandwidth([]int{}, 100*time.Millisecond)
	if err == nil {
		t.Error(err)
	}
}

func TestA(t *testing.T) {
	bw, _ := NewBandwidth([]int{1, 10, 30}, 1*time.Second)
	log.Printf("%+v", bw)
}