package config

import "testing"

func TestAlternateListenAddr(t *testing.T) {
	next, err := AlternateListenAddr("0.0.0.0:5032")
	if err != nil || next != "0.0.0.0:5033" {
		t.Fatalf("5032 -> %q, %v", next, err)
	}
	next, err = AlternateListenAddr("0.0.0.0:5033")
	if err != nil || next != "0.0.0.0:5032" {
		t.Fatalf("5033 -> %q, %v", next, err)
	}
}