package otherutils import ( "fmt" "testing" ) func TestRandChoiceByWeighted(t *testing.T) { items := [][]int64{ {1, 1000}, {2, 1000}, {3, 500}, {4, 10}, } frequencies := make(map[int64]int64) for i := 0; i < 10000; i++ { selected, _ := RandChoiceByWeighted(items) //fmt.Println(selected) frequencies[selected]++ } fmt.Println("Frequencies of selection after 10000 trials:") for k, v := range frequencies { fmt.Printf("%d: %d\n", k, v) } } func TestRandOneNum(t *testing.T) { for i := 0; i < 10; i++ { got, _ := RandInterval(0, 5) fmt.Println(got) } }