kettle/utl/rand_test.go

package utl

import (
	"testing"
)

func TestRandInt(t *testing.T) {
	var res int
	for i := 0; i < 100; i++ {
		res = RandInt(i, 101)
		if res < i || res >= 101 {
			t.Fatal("error res:", res)
		}
	}
}

func TestRandNumString(t *testing.T) {
	s := RandNumString(6)
	t.Log(s)
}

func TestRandAlphaStr(t *testing.T) {
	s := RandAlphaStr(6)
	t.Log(s)
}

func TestRandIntn(t *testing.T) {
	var res int
	for i := 1; i <= 100; i++ {
		res = RandIntn(i)
		if res >= i {
			t.Fatal("error res:", res)
		}
	}
}

func TestRandChoice(t *testing.T) {
	sarr := []string{"1", "2", "3", "4"}
	t.Log(RandChoice(sarr))
}